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teamgrumman(at)yahoo.com
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 Posted: Thu Oct 04, 2012 8:31 pm Post subject: High CHTs |
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Bill,
Did you get a chance to install the fairing?
Gary
Sent from my iPad
On Sep 19, 2012, at 8:41 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
[quote] Hi Gary
I am located in Lodi 1O3, Tiger is a 1976 model slowly getting renovated. Recently put your face panels on and greatly improved look, best investment so far.
Thanks
Bill Stigile
209-712-6100
In a message dated 9/18/2012 11:11:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Bill, Where are located?
Gary
Sent from my iPad
On Sep 18, 2012, at 8:38 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
Another Tiger owner very interested in testing your fairing. My Tiger has 200 hrs on a Millenum motor, and JPI 4 probe with download available. Was thinking of eventually getting a Jaguar before the end of the year if my ship comes in, death in family, but would love to test the fairing even so and especially if things don`t allow a new Jaguar by year end. #4 runs hot, usually 430+ on most days with proper leaning, #3 right behind at 420 usually. Summer or winter, and any altitude, could be the manual leaner, I know.
Thanks
Bill
Tiger N1540R
In a message dated 9/17/2012 12:42:29 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | I need someone who has really high CHTs (and is too cheap to buy a JagCowl . . . grin) to try one of my special fairings.
You must have 4-cylinder CHT/EGT (and I mean a real one, not some Westach, Falcon, Micro or something else that has no relevance to the real world)
You need to have good historical data for a before and after comparison.
You'll need to remove your nose gear strut to get the boot off. The fairing screws in place. This should make R&R of the cowling easier too.
|
st href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
s.matronics.com/">http://forums.matronics.com
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BILL9725(at)AOL.COM
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| Posted: Fri Oct 05, 2012 8:04 am Post subject: High CHTs |
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HI Gary
Yes, did get the fairing installed and have flown it over 4 hours the past weekend. Early observations, and I have some readings I will send in a couple of days, EGT remains nearly the same, less than 50 degrees less, but CHT went down dramatically. Hottest cylinders down 10-20 degrees and the best news is this was leaned even further than I had ever done in very hot weather, again last weekend. Early fuel numbers at: 9,500 ft, 2650 rpm, old best leaning possible 10.8 gallons, now best lean again and 9.9 gallons per hour and even a slight speed advantage, old best speed at that altitude and temp, 58 degrees outside both before and after mod, 138 knots, new 140 knots. Different days of course but was a two way run and these are GPS speeds, not indicated. With the weather changing this next week will be interesting to see how that will affect temps.
So will get you the actual readings as soon as I can and I know you have a winner, certainly well worth having it stc`d and I consider it one of the best moods you could have considering how simple it really is.
Bill Stigile
In a message dated 10/4/2012 9:31:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com writes:
| Quote: | Bill,
Did you get a chance to install the fairing?
Gary
Sent from my iPad
On Sep 19, 2012, at 8:41 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
I am located in Lodi 1O3, Tiger is a 1976 model slowly getting renovated. Recently put your face panels on and greatly improved look, best investment so far.
Thanks
Bill Stigile
209-712-6100
In a message dated 9/18/2012 11:11:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Bill, Where are located?
Gary
Sent from my iPad
On Sep 18, 2012, at 8:38 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
Another Tiger owner very interested in testing your fairing. My Tiger has 200 hrs on a Millenum motor, and JPI 4 probe with download available. Was thinking of eventually getting a Jaguar before the end of the year if my ship comes in, death in family, but would love to test the fairing even so and especially if things don`t allow a new Jaguar by year end. #4 runs hot, usually 430+ on most days with proper leaning, #3 right behind at 420 usually. Summer or winter, and any altitude, could be the manual leaner, I know.
Thanks
Bill
Tiger N1540R
In a message dated 9/17/2012 12:42:29 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | I need someone who has really high CHTs (and is too cheap to buy a JagCowl . . . grin) to try one of my special fairings.
You must have 4-cylinder CHT/EGT (and I mean a real one, not some Westach, Falcon, Micro or something else that has no relevance to the real world)
You need to have good historical data for a before and after comparison.
You'll need to remove your nose gear strut to get the boot off. The fairing screws in place. This should make R&R of the cowling easier too.
|
st href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
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| Quote: |
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
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s.matronics.com/">http://forums.matronics.com
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[quote][b]
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teamgrumman(at)yahoo.com
Guest
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| Posted: Fri Oct 05, 2012 9:34 am Post subject: High CHTs |
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Bill,
That's good news. If possible, make as many tables as time allows showing OAT, speed, Altitude, fuel flow, and CHTs. EGTs are not that important.
Gary
From: "BILL9725(at)AOL.COM" <BILL9725(at)AOL.COM>
To: teamgrumman-list(at)matronics.com
Sent: Friday, October 5, 2012 9:04 AM
Subject: Re: High CHTs
HI Gary
Yes, did get the fairing installed and have flown it over 4 hours the past weekend. Early observations, and I have some readings I will send in a couple of days, EGT remains nearly the same, less than 50 degrees less, but CHT went down dramatically. Hottest cylinders down 10-20 degrees and the best news is this was leaned even further than I had ever done in very hot weather, again last weekend. Early fuel numbers at: 9,500 ft, 2650 rpm, old best leaning possible 10.8 gallons, now best lean again and 9.9 gallons per hour and even a slight speed advantage, old best speed at that altitude and temp, 58 degrees outside both before and after mod, 138 knots, new 140 knots. Different days of course but was a two way run and these are GPS speeds, not indicated. With the weather changing this next week will be interesting to see how that will affect temps.
So will get you the actual readings as soon as I can and I know you have a winner, certainly well worth having it stc`d and I consider it one of the best moods you could have considering how simple it really is.
Bill Stigile
In a message dated 10/4/2012 9:31:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com writes:
| Quote: | Bill,
Did you get a chance to install the fairing?
Gary
Sent from my iPad
On Sep 19, 2012, at 8:41 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
I am located in Lodi 1O3, Tiger is a 1976 model slowly getting renovated. Recently put your face panels on and greatly improved look, best investment so far.
Thanks
Bill Stigile
209-712-6100
In a message dated 9/18/2012 11:11:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Bill, Where are located?
Gary
Sent from my iPad
On Sep 18, 2012, at 8:38 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
Another Tiger owner very interested in testing your fairing. My Tiger has 200 hrs on a Millenum motor, and JPI 4 probe with download available. Was thinking of eventually getting a Jaguar before the end of the year if my ship comes in, death in family, but would love to test the fairing even so and especially if things don`t allow a new Jaguar by year end. #4 runs hot, usually 430+ on most days with proper leaning, #3 right behind at 420 usually. Summer or winter, and any altitude, could be the manual leaner, I know.
Thanks
Bill
Tiger N1540R
In a message dated 9/17/2012 12:42:29 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | I need someone who has really high CHTs (and is too cheap to buy a JagCowl . . . grin) to try one of my special fairings.
You must have 4-cylinder CHT/EGT (and I mean a real one, not some Westach, Falcon, Micro or something else that has no relevance to the real world)
You need to have good historical data for a before and after comparison.
You'll need to remove your nose gear strut to get the boot off. The fairing screws in place. This should make R&R of the cowling easier too.
|
st href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
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| Quote: |
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
href="http://forums.matronics.com">http://forums.matronics.com
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| Quote: | http://www.matronics.c==================
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[quote][b]
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teamgrumman(at)yahoo.com
Guest
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| Posted: Sat Oct 13, 2012 10:18 pm Post subject: High CHTs |
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Bill,
Can you get some pics of the fairing on your plane? Make a spread sheet with the OAT and CHTs for various climb and cruise conditions. If you have experience with previous CHTs, include them.
Are you flying very much? Come up to Auburn and let me see it.
Gary
Sent from my iPad
On Sep 19, 2012, at 8:41 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
[quote] Hi Gary
I am located in Lodi 1O3, Tiger is a 1976 model slowly getting renovated. Recently put your face panels on and greatly improved look, best investment so far.
Thanks
Bill Stigile
209-712-6100
In a message dated 9/18/2012 11:11:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Bill, Where are located?
Gary
Sent from my iPad
On Sep 18, 2012, at 8:38 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
Another Tiger owner very interested in testing your fairing. My Tiger has 200 hrs on a Millenum motor, and JPI 4 probe with download available. Was thinking of eventually getting a Jaguar before the end of the year if my ship comes in, death in family, but would love to test the fairing even so and especially if things don`t allow a new Jaguar by year end. #4 runs hot, usually 430+ on most days with proper leaning, #3 right behind at 420 usually. Summer or winter, and any altitude, could be the manual leaner, I know.
Thanks
Bill
Tiger N1540R
In a message dated 9/17/2012 12:42:29 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | I need someone who has really high CHTs (and is too cheap to buy a JagCowl . . . grin) to try one of my special fairings.
You must have 4-cylinder CHT/EGT (and I mean a real one, not some Westach, Falcon, Micro or something else that has no relevance to the real world)
You need to have good historical data for a before and after comparison.
You'll need to remove your nose gear strut to get the boot off. The fairing screws in place. This should make R&R of the cowling easier too.
|
st href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
|
|
| Quote: |
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
|
[b]
| | - The Matronics TeamGrumman-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?TeamGrumman-List |
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BILL9725(at)AOL.COM
Guest
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| Posted: Tue Oct 16, 2012 8:25 am Post subject: High CHTs |
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Hi Gary
Attached is a spread sheet showing the last 5 hours I have flown it. I will have pictures shortly. Your cuff certainly does work, and I can say with conviction. Compared to the boot being installed the cuff certainly gives better air flow, and judging by the increase in speed not putting disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon per hour by allowing more aggressive leaning. All tests have been leaned to peak.
As you are aware my Tiger is not the best aerodynamically so as they say if we can get these results anyone can!
I have been very busy with work this time of year so not getting to fly a lot but could make a trip to Auburn this week on Friday if that can work?
Thanks and should have pictures downloaded later today.
Bill
In a message dated 10/13/2012 11:18:16 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com writes:
| Quote: | Bill,
Can you get some pics of the fairing on your plane? Make a spread sheet with the OAT and CHTs for various climb and cruise conditions. If you have experience with previous CHTs, include them.
Are you flying very much? Come up to Auburn and let me see it.
Gary
Sent from my iPad
On Sep 19, 2012, at 8:41 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
I am located in Lodi 1O3, Tiger is a 1976 model slowly getting renovated. Recently put your face panels on and greatly improved look, best investment so far.
Thanks
Bill Stigile
209-712-6100
In a message dated 9/18/2012 11:11:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Bill, Where are located?
Gary
Sent from my iPad
On Sep 18, 2012, at 8:38 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
Another Tiger owner very interested in testing your fairing. My Tiger has 200 hrs on a Millenum motor, and JPI 4 probe with download available. Was thinking of eventually getting a Jaguar before the end of the year if my ship comes in, death in family, but would love to test the fairing even so and especially if things don`t allow a new Jaguar by year end. #4 runs hot, usually 430+ on most days with proper leaning, #3 right behind at 420 usually. Summer or winter, and any altitude, could be the manual leaner, I know.
Thanks
Bill
Tiger N1540R
In a message dated 9/17/2012 12:42:29 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | I need someone who has really high CHTs (and is too cheap to buy a JagCowl . . . grin) to try one of my special fairings.
You must have 4-cylinder CHT/EGT (and I mean a real one, not some Westach, Falcon, Micro or something else that has no relevance to the real world)
You need to have good historical data for a before and after comparison.
You'll need to remove your nose gear strut to get the boot off. The fairing screws in place. This should make R&R of the cowling easier too.
|
st href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
|
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| Quote: |
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
|
st href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
|
|
| | - The Matronics TeamGrumman-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?TeamGrumman-List |
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| Description: |
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Download |
| Filename: |
Tiger_Test_2012.xlsx |
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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| Posted: Tue Oct 16, 2012 9:51 am Post subject: High CHTs |
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Bill & Gary:
Attached are some updates to the original data. The original had some format errors.
The data that seems to be missing is the the Data WITHOUT the Mod. Bill, do you have any of that?
It would have been very interesting to record the air temps at the exhaust ramps and in the area of the Boot Mod - Before and After the install. If the exhaust ramp temps dropped you could make the assumption more air is exiting the entire cowl. If the temps at each exhaust point were equal you could make the assumption that the Mod helps balance the flow throughout the cowl ergo improving the entire engine cooling.
Gary, have you posted a picture of the Mod? One GREAT point of having an OPEN Boot Mod would be: Dropped tools and items could easily be retrieved. That alone is worth hours of frustration.
Barry
On Tue, Oct 16, 2012 at 12:24 PM, <BILL9725(at)aol.com (BILL9725(at)aol.com)> wrote:
| Quote: | Hi Gary
Attached is a spread sheet showing the last 5 hours I have flown it. I will have pictures shortly. Your cuff certainly does work, and I can say with conviction. Compared to the boot being installed the cuff certainly gives better air flow, and judging by the increase in speed not putting disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon per hour by allowing more aggressive leaning. All tests have been leaned to peak.
As you are aware my Tiger is not the best aerodynamically so as they say if we can get these results anyone can!
I have been very busy with work this time of year so not getting to fly a lot but could make a trip to Auburn this week on Friday if that can work?
Thanks and should have pictures downloaded later today.
Bill
|
| | - The Matronics TeamGrumman-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?TeamGrumman-List |
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| Description: |
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Download |
| Filename: |
Tiger_Test_2012_Rev_2.xlsx |
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| Downloaded: |
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BILL9725(at)AOL.COM
Guest
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| Posted: Tue Oct 16, 2012 10:14 am Post subject: High CHTs |
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Hi Barry
Guess I didn`t say this correctly, but the first is with the Mod, the listing with the Boot is before the mod. So both are there or at least I thought so. I do have EGT`s also but that difference was very slight less than 50 degrees before and after, the largest drop was in CHT`s. As to balance before and after I can almost get all cylinders balanced within 50 degrees EGT before and after so that did not change either way.
I do have pictures and will download them shortly.
In a message dated 10/16/2012 10:51:33 A.M. Pacific Daylight Time, flyadive(at)gmail.com writes:
| Quote: | Bill & Gary:
Attached are some updates to the original data. The original had some format errors.
The data that seems to be missing is the Data WITHOUT the Mod. Bill, do you have any of that?
It would have been very interesting to record the air temps at the exhaust ramps and in the area of the Boot Mod - Before and After the install. If the exhaust ramp temps dropped you could make the assumption more air is exiting the entire cowl. If the temps at each exhaust point were equal you could make the assumption that the Mod helps balance the flow throughout the cowl ergo improving the entire engine cooling.
Gary, have you posted a picture of the Mod? One GREAT point of having an OPEN Boot Mod would be: Dropped tools and items could easily be retrieved. That alone is worth hours of frustration.
Barry
On Tue, Oct 16, 2012 at 12:24 PM, <BILL9725(at)aol.com (BILL9725(at)aol.com)> wrote:
| Quote: | Hi Gary
Attached is a spread sheet showing the last 5 hours I have flown it. I will have pictures shortly. Your cuff certainly does work, and I can say with conviction. Compared to the boot being installed the cuff certainly gives better air flow, and judging by the increase in speed not putting disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon per hour by allowing more aggressive leaning. All tests have been leaned to peak.
As you are aware my Tiger is not the best aerodynamically so as they say if we can get these results anyone can!
I have been very busy with work this time of year so not getting to fly a lot but could make a trip to Auburn this week on Friday if that can work?
Thanks and should have pictures downloaded later today.
Bill
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[quote][b]
| | - The Matronics TeamGrumman-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Discover
Joined: 26 Feb 2007
Posts: 429
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| Posted: Tue Oct 16, 2012 10:47 am Post subject: Re: High CHTs |
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Bill,
The biggest gains I got when trying to decrease my Tiger CHT's was from enlarging the cylinder wrap baffle exits and cleaning out the casting flash on the fins between the spark plugs. I did a lot of other things first but the airflow was being throttled down by the too small exits under the cylinders between the cylinder baffle wraps
Ned
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teamgrumman(at)yahoo.com
Guest
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| Posted: Tue Oct 16, 2012 11:40 am Post subject: High CHTs |
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Bill, that is really good news.
I'll be at the airport on Friday. Stop by anytime after about 10-11 am
Gary
From: "BILL9725(at)AOL.COM" <BILL9725(at)AOL.COM>
To: teamgrumman-list(at)matronics.com
Sent: Tuesday, October 16, 2012 9:24 AM
Subject: Re: High CHTs
Hi Gary
Attached is a spread sheet showing the last 5 hours I have flown it. I will have pictures shortly. Your cuff certainly does work, and I can say with conviction. Compared to the boot being installed the cuff certainly gives better air flow, and judging by the increase in speed not putting disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon per hour by allowing more aggressive leaning. All tests have been leaned to peak.
As you are aware my Tiger is not the best aerodynamically so as they say if we can get these results anyone can!
I have been very busy with work this time of year so not getting to fly a lot but could make a trip to Auburn this week on Friday if that can work?
Thanks and should have pictures downloaded later today.
Bill
In a message dated 10/13/2012 11:18:16 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com writes:
| Quote: | Bill,
Can you get some pics of the fairing on your plane? Make a spread sheet with the OAT and CHTs for various climb and cruise conditions. If you have experience with previous CHTs, include them.
Are you flying very much? Come up to Auburn and let me see it.
Gary
Sent from my iPad
On Sep 19, 2012, at 8:41 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
I am located in Lodi 1O3, Tiger is a 1976 model slowly getting renovated. Recently put your face panels on and greatly improved look, best investment so far.
Thanks
Bill Stigile
209-712-6100
In a message dated 9/18/2012 11:11:37 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Bill, Where are located?
Gary
Sent from my iPad
On Sep 18, 2012, at 8:38 AM, BILL9725(at)AOL.COM (BILL9725(at)AOL.COM) wrote:
| Quote: | Hi Gary
Another Tiger owner very interested in testing your fairing. My Tiger has 200 hrs on a Millenum motor, and JPI 4 probe with download available. Was thinking of eventually getting a Jaguar before the end of the year if my ship comes in, death in family, but would love to test the fairing even so and especially if things don`t allow a new Jaguar by year end. #4 runs hot, usually 430+ on most days with proper leaning, #3 right behind at 420 usually. Summer or winter, and any altitude, could be the manual leaner, I know.
Thanks
Bill
Tiger N1540R
In a message dated 9/17/2012 12:42:29 P.M. Pacific Daylight Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | I need someone who has really high CHTs (and is too cheap to buy a JagCowl . . . grin) to try one of my special fairings.
You must have 4-cylinder CHT/EGT (and I mean a real one, not some Westach, Falcon, Micro or something else that has no relevance to the real world)
You need to have good historical data for a before and after comparison.
You'll need to remove your nose gear strut to get the boot off. The fairing screws in place. This should make R&R of the cowling easier too.
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[quote][b]
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ronmillmancpa(at)msn.com
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| Posted: Tue Oct 16, 2012 4:40 pm Post subject: High CHTs |
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I am definitely interested in any mods to lower engine temps.
Ron Millman, Glendale, CA
RonMillmanCPA(at)msn.com (RonMillmanCPA(at)msn.com)
Date: Tue, 16 Oct 2012 13:50:58 -0400
Subject: Re: TeamGrumman-List: High CHTs
From: flyadive(at)gmail.com
To: teamgrumman-list(at)matronics.com
Bill & Gary:
Attached are some updates to the original data. The original had some format errors.
The data that seems to be missing is the the Data WITHOUT the Mod. Bill, do you have any of that?
It would have been very interesting to record the air temps at the exhaust ramps and in the area of the Boot Mod - Before and After the install. If the exhaust ramp temps dropped you could make the assumption more air is exiting the entire cowl. If the temps at each exhaust point were equal you could make the assumption that the Mod helps balance the flow throughout the cowl ergo improving the entire engine cooling.
Gary, have you posted a picture of the Mod? One GREAT point of having an OPEN Boot Mod would be: Dropped tools and items could easily be retrieved. That alone is worth hours of frustration.
Barry
On Tue, Oct 16, 2012 at 12:24 PM, <BILL9725(at)aol.com (BILL9725(at)aol.com)> wrote:
[quote] Hi Gary
Attached is a spread sheet showing the last 5 hours I have flown it. I will have pictures shortly. Your cuff certainly does work, and I can say with conviction. Compared to the boot being installed the cuff certainly gives better air flow, and judging by the increase in speed not putting disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon per hour by allowing more aggressive leaning. All tests have been leaned to peak.
As you are aware my Tiger is not the best aerodynamically so as they say if we can get these results anyone can!
I have been very busy with work this time of year so not getting to fly a lot but could make a trip to Auburn this week on Friday if that can work?
Thanks and should have pictures downloaded later today.
Bill
[b]
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teamgrumman(at)yahoo.com
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| Posted: Tue Oct 16, 2012 7:36 pm Post subject: High CHTs |
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How about a new cowling Ron. I'll make you a deal you can't afford . . . . strike that. can't refuse.
From: Ronald Millman CPA <ronmillmancpa(at)msn.com>
To: Bob Steward Grumman Gang <teamgrumman-list(at)matronics.com>
Sent: Tuesday, October 16, 2012 5:39 PM
Subject: RE: TeamGrumman-List: High CHTs
I am definitely interested in any mods to lower engine temps.
Ron Millman, Glendale, CA
RonMillmanCPA(at)msn.com (RonMillmanCPA(at)msn.com)
Date: Tue, 16 Oct 2012 13:50:58 -0400
Subject: Re: High CHTs
From: flyadive(at)gmail.com
To: teamgrumman-list(at)matronics.com
Bill & Gary:
Attached are some updates to the original data. The original had some format errors.
The data that seems to be missing is the the Data WITHOUT the Mod. Bill, do you have any of that?
It would have been very interesting to record the air temps at the exhaust ramps and in the area of the Boot Mod - Before and After the install. If the exhaust ramp temps dropped you could make the assumption more air is exiting the entire cowl. If the temps at each exhaust point were equal you could make the assumption that the Mod helps balance the flow throughout the cowl ergo improving the entire engine cooling.
Gary, have you posted a picture of the Mod? One GREAT point of having an OPEN Boot Mod would be: Dropped tools and items could easily be retrieved. That alone is worth hours of frustration.
Barry
On Tue, Oct 16, 2012 at 12:24 PM, <BILL9725(at)aol.com (BILL9725(at)aol.com)> wrote:
| Quote: | Hi Gary
Attached is a spread sheet showing the last 5 hours I have flown it. I will have pictures shortly. Your cuff certainly does work, and I can say with conviction. Compared to the boot being installed the cuff certainly gives better air flow, and judging by the increase in speed not putting disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon per hour by allowing more aggressive leaning. All tests have been leaned to peak.
As you are aware my Tiger is not the best aerodynamically so as they say if we can get these results anyone can!
I have been very busy with work this time of year so not getting to fly a lot but could make a trip to Auburn this week on Friday if that can work?
Thanks and should have pictures downloaded later today.
Bill
|
[quote][b]
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aa5_driver(at)yahoo.com
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| Posted: Tue Oct 16, 2012 8:31 pm Post subject: High CHTs |
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What's the deal?
Kevin
Gary Vogt <teamgrumman(at)yahoo.com> wrote:
| Quote: | How about a new cowling Ron. Â I'll make you a deal you can't afford . . . . Â strike that. Â can't refuse.
________________________________
From: Ronald Millman CPA <ronmillmancpa(at)msn.com>
To: Bob Steward Grumman Gang <teamgrumman-list(at)matronics.com>
Sent: Tuesday, October 16, 2012 5:39 PM
Subject: RE: High CHTs
 I am definitely interested in any mods to lower engine temps.
Ron Millman, Glendale, CA
RonMillmanCPA(at)msn.com
Â
________________________________
Date: Tue, 16 Oct 2012 13:50:58 -0400
Subject: Re: High CHTs
From: flyadive(at)gmail.com
To: teamgrumman-list(at)matronics.com
Bill & Gary:
Attached are some updates to the original data.  The original had some format errors. Â
The data that seems to be missing is the the Data WITHOUT the Mod. Â Bill, do you have any of that?
It would have been very interesting to record the air temps at the exhaust ramps and in the area of the Boot Mod - Before and After the install.  If the exhaust ramp temps dropped you could make the assumption more air is exiting the entire cowl.  If the temps at each exhaust point were equal you could make the assumption that the Mod helps balance the flow throughout the cowl ergo improving the entire engine cooling.
Gary, have you posted a picture of the Mod?  One GREAT point of having an OPEN Boot Mod would be: Dropped tools and items could easily be retrieved.  That alone is worth hours of frustration.
BarryÂ
Â
On Tue, Oct 16, 2012 at 12:24 PM, <BILL9725(at)aol.com> wrote:
>Hi Gary
>Â
>Attached is a spread sheet showing the last 5 hours I have flown it.Â
I will have pictures shortly. Your cuff certainly does work, and I can say
with conviction. Compared to the boot being installed the cuff certainly
gives better air flow, and judging by the increase in speed not putting
disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon
per hour by allowing more aggressive leaning. All tests have been leaned
to peak.Â
>Â
>As you are aware my Tiger is not the best aerodynamically so as they say if
we can get these results anyone can!Â
>Â
>I have been very busy with work this time of year so not getting to fly a
lot but could make a trip to Auburn this week on Friday if that can work?Â
>Â
>Thanks and should have==============
|
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teamgrumman(at)yahoo.com
Guest
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| Posted: Tue Oct 16, 2012 9:00 pm Post subject: High CHTs |
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$11,000 installed in Auburn. Painted inside, primed outside.
Gary
Sent from my iPad
On Oct 16, 2012, at 9:28 PM, Airport Bum <aa5_driver(at)yahoo.com> wrote:
| Quote: |
What's the deal?
Kevin
Gary Vogt <teamgrumman(at)yahoo.com> wrote:
> How about a new cowling Ron. I'll make you a deal you can't afford . . . . strike that. can't refuse.
>
>
> ________________________________
> From: Ronald Millman CPA <ronmillmancpa(at)msn.com>
> To: Bob Steward Grumman Gang <teamgrumman-list(at)matronics.com>
> Sent: Tuesday, October 16, 2012 5:39 PM
> Subject: RE: High CHTs
>
>
>
> I am definitely interested in any mods to lower engine temps.
> Ron Millman, Glendale, CA
> RonMillmanCPA(at)msn.com
>
>
>
>
> ________________________________
> Date: Tue, 16 Oct 2012 13:50:58 -0400
> Subject: Re: High CHTs
> From: flyadive(at)gmail.com
> To: teamgrumman-list(at)matronics.com
>
> Bill & Gary:
>
> Attached are some updates to the original data. The original had some format errors.
> The data that seems to be missing is the the Data WITHOUT the Mod. Bill, do you have any of that?
> It would have been very interesting to record the air temps at the exhaust ramps and in the area of the Boot Mod - Before and After the install. If the exhaust ramp temps dropped you could make the assumption more air is exiting the entire cowl. If the temps at each exhaust point were equal you could make the assumption that the Mod helps balance the flow throughout the cowl ergo improving the entire engine cooling.
>
> Gary, have you posted a picture of the Mod? One GREAT point of having an OPEN Boot Mod would be: Dropped tools and items could easily be retrieved. That alone is worth hours of frustration.
>
> Barry
>
>
>
> On Tue, Oct 16, 2012 at 12:24 PM, <BILL9725(at)aol.com> wrote:
>
>
>> Hi Gary
>>
>> Attached is a spread sheet showing the last 5 hours I have flown it.
> I will have pictures shortly. Your cuff certainly does work, and I can say
> with conviction. Compared to the boot being installed the cuff certainly
> gives better air flow, and judging by the increase in speed not putting
> disturbed air out, Better fuel consumption, verified, easily saves .8 a gallon
> per hour by allowing more aggressive leaning. All tests have been leaned
> to peak.
>>
>> As you are aware my Tiger is not the best aerodynamically so as they say if
> we can get these results anyone can!
>>
>> I have been very busy with work this time of year so not getting to fly a
> lot but could make a trip to Auburn this week on Friday if that can work?
>>
>> Thanks and should have==============
|
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grumman(at)drahz.com
Guest
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| Posted: Wed Oct 17, 2012 5:31 am Post subject: High CHTs |
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TAKE THIS DEAL.
GO DIRECTLY TO AUBURN.
DO NOT PASS GO.
DO NOT COLLECT 1250 RMB.
I REPEAT. TAKE THIS DEAL.
(YES - I AM SHOUTING.)
Matt D.
/ do not archive
[quote]--
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teamgrumman(at)yahoo.com
Guest
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| Posted: Wed Oct 17, 2012 11:21 am Post subject: High CHTs |
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Matt,
What was your total cost?
From: "grumman(at)drahz.com" <grumman(at)drahz.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, October 17, 2012 6:30 AM
Subject: Re: High CHTs
--> TeamGrumman-List message posted by: grumman(at)drahz.com (grumman(at)drahz.com)
TAKE THIS DEAL.
GO DIRECTLY TO AUBURN.
DO NOT PASS GO.
DO NOT COLLECT 1250 RMB.
I REPEAT. TAKE THIS DEAL.
(YES - I AM SHOUTING.)
Matt D.
/ do not archive
[quote]--
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