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vanremog(at)aol.com
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 Posted: Mon Aug 18, 2014 8:57 am Post subject: Navaid AP-1 gyro motor |
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Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Comments from those who have gone thru this would be most helpful.
-Thx
GV
[quote][b]
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dorante(at)juno.com
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| Posted: Mon Aug 18, 2014 2:59 pm Post subject: Navaid AP-1 gyro motor |
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I have two NAVAID control heads (one I got as a spare) and a servo that I removed from my RV-8A. I replaced it with a Dynon Skyview and Autopilot.
I have been planning to put them on EBAY, but haven’t gotten around to it.
Are you interested?
Thanks,
Tom
On Aug 18, 2014, at 12:56 PM, vanremog(at)aol.com (vanremog(at)aol.com) wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Comments from those who have gone thru this would be most helpful.
-Thx
GV
| Quote: |
href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-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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[img]http://thirdpartyoffers.juno.com/TGLI3156/?u=http://newsletter.adsonar.com/nwrss/imgs/nwr_1560786_36140222_379054_2070767_4_2.PNG?placementId=1560786&plid=379054&pid=2070767&ps=36140222&rotation=4&type=2&zw=500&zh=70&v=5&url=NA&uid=[/img] |
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HCRV6(at)comcast.net
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| Posted: Mon Aug 18, 2014 3:26 pm Post subject: Navaid AP-1 gyro motor |
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GV,
The same thing happened to me on the way to OSH two years ago. I bought a Trio head while there and installed it after I got home, using the old Navaid servo. The Trio works OK and has some features that were not available in the Navaid, but it has an annoying tendency that I have never been able to trim out of hunting back and forth around the GPS course. If I could have obtained a new motor for the Navaid I would have gone that way and been completely satisfied (until it died again). The Trio folks insist that the problem is because the servo is mounted under the passenger seat, just like yours, and that they highly recommend mounting the servo in the wing tip. Bottom line is you will probably be happy if you go with a Trio and use the old servo like I did, and just as happy if you find a replacement motor.
Harry Crosby
From: "Thomas Doran" <dorante(at)juno.com>
To: "RV-List" <rv-list(at)matronics.com>
Sent: Monday, August 18, 2014 3:58:20 PM
Subject: Re: Navaid AP-1 gyro motor
I have two NAVAID control heads (one I got as a spare) and a servo that I removed from my RV-8A. I replaced it with a Dynon Skyview and Autopilot.
I have been planning to put them on EBAY, but haven’t gotten around to it.
Are you interested?
Thanks,
Tom
On Aug 18, 2014, at 12:56 PM, vanremog(at)aol.com (vanremog(at)aol.com) wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Comments from those who have gone thru this would be most helpful.
-Thx
GV
| Quote: |
href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List
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[quote][b]
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vanremog(at)aol.com
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| Posted: Mon Aug 18, 2014 3:35 pm Post subject: Navaid AP-1 gyro motor |
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Tom-
I maybe interested if I strike out with MIcromo. I'm still pursuing the replacement motor until they say no. It's the Scotsman in me that hates to throw away hardware without attempting to fix it first.
At that point it becomes a "throwing good money after bad" situation and like Rocketman (Harry Crosby) wisely says "it'll only be good until next time".
I will wait a week or so before choosing a path.
-GV
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Gary.A.Sobek
Joined: 09 Jan 2006
Posts: 217
Location: SoCAL USA
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| Posted: Mon Aug 18, 2014 3:49 pm Post subject: Navaid AP-1 gyro motor |
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Harry:
I did the same as you. I can dampen out the hunting by adding some aileron trim bias to one side. (Turn manual aileron trim as far as it will go to one side.) The load on the control helps with hunting.
Gary:
There is a thread on VAF about the motor replacement.
http://www.vansairforce.com/community/showthread.php?t=38078
I recommend reading post #5. It says almost any motor can be used as a replacement but stated that the Micromo was the longest lasting. There is a link to a less expensive item on eBay.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
2,900+ Flying Hours Pennsylvania, USA
On 08-18-2014, 7:24 PM, HCRV6(at)comcast.net (HCRV6(at)comcast.net) wrote:
[quote] GV,
The same thing happened to me on the way to OSH two years ago. I bought a Trio head while there and installed it after I got home, using the old Navaid servo. The Trio works OK and has some features that were not available in the Navaid, but it has an annoying tendency that I have never been able to trim out of hunting back and forth around the GPS course. If I could have obtained a new motor for the Navaid I would have gone that way and been completely satisfied (until it died again). The Trio folks insist that the problem is because the servo is mounted under the passenger seat, just like yours, and that they highly recommend mounting the servo in the wing tip. Bottom line is you will probably be happy if you go with a Trio and use the old servo like I did, and just as happy if you find a replacement motor.
Harry Crosby
From: "Thomas Doran" <dorante(at)juno.com> (dorante(at)juno.com)
To: "RV-List" <rv-list(at)matronics.com> (rv-list(at)matronics.com)
Sent: Monday, August 18, 2014 3:58:20 PM
Subject: Re: Navaid AP-1 gyro motor
I have two NAVAID control heads (one I got as a spare) and a servo that I removed from my RV-8A. Â I replaced it with a Dynon Skyview and Autopilot.
I have been planning to put them on EBAY, but haven’t gotten around to it.
Are you interested? Â Â
Thanks, Â
Tom
On Aug 18, 2014, at 12:56 PM, vanremog(at)aol.com (vanremog(at)aol.com) wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Â
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Â
Comments from those who have gone thru this would be most helpful.
Â
-Thx
Â
GV
____________________________________________________________
[img]http://thirdpartyoffers.juno.com/TGLI3156/?u=http://newsletter.adsonar.com/nwrss/imgs/nwr_1560786_36140222_379054_2070767_4_2.PNG?placementId=1560786&plid=379054&pid=2070767&ps=36140222&rotation=4&type=2&zw=500&zh=70&v=5&url=NA&uid=[/img]
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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| Quote: |
om/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List
s.com">http://forums.matronics.com
om/contribution">http://www.matronics.com/contribution
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[b]
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vanremog(at)aol.com
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| Posted: Mon Aug 18, 2014 4:27 pm Post subject: Navaid AP-1 gyro motor |
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Gary-
Yeah, I read that thread and that post in particular and am looking into it. Once again I prefer to restore the AP-1 to it's original condition so my preference is to get the same motor. I am not an expert in electric motors so am underqualified to select a suitable equivalent. For example with my limited knowledge I would have preferred a brushless DC motor whereas this one is brush type, so I'm already unclear as to what the original selection criteria were.
-GV
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vanremog(at)aol.com
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| Posted: Mon Aug 18, 2014 4:47 pm Post subject: Navaid AP-1 gyro motor |
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First, a couple of shots of the original motor Micromo 1624L012S692 044.
[img]cid:tie_8D1895D956477A4_23B8_27F77[/img]
[img]cid:tie_8D1895DF595B8D6_23B8_27FAD[/img]
So far the closest items to the original motor that I can track down easily are the following and my known criteria are:
12VDC
15,000 to 20,000 rpm
1620 to 1625 size (dia/bodyL)
double shaft 1.5mm dia or greater (to allow use of the original flywheels)12VDC
http://www.hollywoodfoundry.com/MHK1624.htm
http://www.hollywoodfoundry.com/MHK1620.htm
-GV
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swayze(at)europa.com
Guest
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| Posted: Mon Aug 18, 2014 6:29 pm Post subject: Navaid AP-1 gyro motor |
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I happen to have an extra Tru-Trak servo that I won't be using (I
have 3 of them, don't need this one). It's a model # DSB-B, part #
8100-006. It's brand new, in the box, never used. I bought two of
them for my autopilot installation, but bought a 3rd one later that
has vertical contol for the pitch axis, so this one is extra. I'll
let it go for about half the price of a new one. If this will fit for
your application, let me know privately. Email me: swayze "at"
europa.com and I'll send you photos and answer all your
questions. I hope this can help you out!
At 09:56 AM 8/18/2014, you wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient
Navaid Devices wing leveler has burned out. Navaid Devices went TU
in 2008 and their proprietary motor (Micromo 1624L012S692) is no
longer available. Does anyone know if these motors are available
elsewhere in someone's stash? I heard that one of the Navaid people
(Horace, I think) was the last to do the repairs before they closed
their doors.
Is the right solution to go with the Trio head and keep the Navaid
S1 servo or replace the whole enchilada?
Comments from those who have gone thru this would be most helpful.
-Thx
GV
|
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vanremog(at)aol.com
Guest
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| Posted: Mon Aug 18, 2014 6:34 pm Post subject: Navaid AP-1 gyro motor |
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Bruce-
My servo is fine. I need the AP head gyro motor. Thx anyway.
-GV
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HCRV6(at)comcast.net
Guest
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| Posted: Tue Aug 19, 2014 11:05 am Post subject: Navaid AP-1 gyro motor |
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Wow, thanks Gary I will try that right away.
Harry Crosby
RV-6 N16CX, 1200 hours (as of last flight.)
From: "Gary A. Sobek" <RV6_Flyer(at)hotmail.com>
To: "RV-List" <rv-list(at)matronics.com>
Sent: Monday, August 18, 2014 4:48:06 PM
Subject: Re: Navaid AP-1 gyro motor
Harry:
I did the same as you. I can dampen out the hunting by adding some aileron trim bias to one side. (Turn manual aileron trim as far as it will go to one side.) The load on the control helps with hunting.
Gary:
There is a thread on VAF about the motor replacement.
http://www.vansairforce.com/community/showthread.php?t=38078
I recommend reading post #5. It says almost any motor can be used as a replacement but stated that the Micromo was the longest lasting. There is a link to a less expensive item on eBay.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
2,900+ Flying Hours Pennsylvania, USA
On 08-18-2014, 7:24 PM, HCRV6(at)comcast.net (HCRV6(at)comcast.net) wrote:
| Quote: | GV,
The same thing happened to me on the way to OSH two years ago. I bought a Trio head while there and installed it after I got home, using the old Navaid servo. The Trio works OK and has some features that were not available in the Navaid, but it has an annoying tendency that I have never been able to trim out of hunting back and forth around the GPS course. If I could have obtained a new motor for the Navaid I would have gone that way and been completely satisfied (until it died again). The Trio folks insist that the problem is because the servo is mounted under the passenger seat, just like yours, and that they highly recommend mounting the servo in the wing tip. Bottom line is you will probably be happy if you go with a Trio and use the old servo like I did, and just as happy if you find a replacement motor.
Harry Crosby
From: "Thomas Doran" <dorante(at)juno.com> (dorante(at)juno.com)
To: "RV-List" <rv-list(at)matronics.com> (rv-list(at)matronics.com)
Sent: Monday, August 18, 2014 3:58:20 PM
Subject: Re: Navaid AP-1 gyro motor
I have two NAVAID control heads (one I got as a spare) and a servo that I removed from my RV-8A. I replaced it with a Dynon Skyview and Autopilot.
I have been planning to put them on EBAY, but haven’t gotten around to it.
Are you interested?
Thanks,
Tom
On Aug 18, 2014, at 12:56 PM, vanremog(at)aol.com (vanremog(at)aol.com) wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Comments from those who have gone thru this would be most helpful.
-Thx
GV
____________________________________________________________
[img]http://thirdpartyoffers.juno.com/TGLI3156/?u=http://newsletter.adsonar.com/nwrss/imgs/nwr_1560786_36140222_379054_2070767_4_2.PNG?placementId=1560786&plid=379054&pid=2070767&ps=36140222&rotation=4&type=2&zw=500&zh=70&v=5&url=NA&uid=[/img]
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
| Quote: |
om/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List
s.com">http://forums.matronics.com
om/contribution">http://www.matronics.com/contribution
|
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
[quote][b]
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vanremog(at)aol.com
Guest
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| Posted: Tue Aug 19, 2014 4:38 pm Post subject: Navaid AP-1 gyro motor |
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This is exactly what I do but I usually end up just trimming into the wind.
-GV
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wdleonard(at)gmail.com
Guest
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| Posted: Wed Aug 20, 2014 11:52 am Post subject: Navaid AP-1 gyro motor |
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Hi Harry,
I also have an old Navaid control head sitting around that I would let go for a song (like a good show tune or something). But I actually recommend going with the Trio. In my experience it has been very useful and works much better than the Navaid ever did. I do get some minimal hunting while on GPS flight plan (servo is in wing at aileron bellcrank), but when using GPS course as guidance (a ground course as opposed to trying to stay dead center of the flight plan) it is rock solid and there is no hunting at all.  I find that is the way I usually fly anyway, as I am always making deviations for airspace or traffic or what-not anyway and never bother to fly all the way back to the flight plan path.
Dave Leonard
On Tue, Aug 19, 2014 at 12:04 PM, <HCRV6(at)comcast.net (HCRV6(at)comcast.net)> wrote:
[quote]Wow, thanks Gary I will try that right away.
Harry Crosby
RV-6 N16CX, 1200 hours (as of last flight.)
From: "Gary A. Sobek" <RV6_Flyer(at)hotmail.com (RV6_Flyer(at)hotmail.com)>
To: "RV-List" <rv-list(at)matronics.com (rv-list(at)matronics.com)>
Sent: Monday, August 18, 2014 4:48:06 PM
Subject: Re: Navaid AP-1 gyro motor
Harry:
I did the same as you. I can dampen out the hunting by adding some aileron trim bias to one side. (Turn manual aileron trim as far as it will go to one side.) The load on the control helps with hunting.
Gary:
There is a thread on VAF about the motor replacement.
http://www.vansairforce.com/community/showthread.php?t=38078
I recommend reading post #5. It says almost any motor can be used as a replacement but stated that the Micromo was the longest lasting. There is a link to a less expensive item on eBay.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
2,900+ Flying Hours Pennsylvania, USA
On 08-18-2014, 7:24 PM, HCRV6(at)comcast.net (HCRV6(at)comcast.net) wrote:
| Quote: | GV,
The same thing happened to me on the way to OSH two years ago. I bought a Trio head while there and installed it after I got home, using the old Navaid servo. The Trio works OK and has some features that were not available in the Navaid, but it has an annoying tendency that I have never been able to trim out of hunting back and forth around the GPS course. If I could have obtained a new motor for the Navaid I would have gone that way and been completely satisfied (until it died again). The Trio folks insist that the problem is because the servo is mounted under the passenger seat, just like yours, and that they highly recommend mounting the servo in the wing tip. Bottom line is you will probably be happy if you go with a Trio and use the old servo like I did, and just as happy if you find a replacement motor.
Harry Crosby
From: "Thomas Doran" <dorante(at)juno.com> (dorante(at)juno.com)
To: "RV-List" <rv-list(at)matronics.com> (rv-list(at)matronics.com)
Sent: Monday, August 18, 2014 3:58:20 PM
Subject: Re: Navaid AP-1 gyro motor
I have two NAVAID control heads (one I got as a spare) and a servo that I removed from my RV-8A. Â I replaced it with a Dynon Skyview and Autopilot.
I have been planning to put them on EBAY, but haven’t gotten around to it.
Are you interested? Â Â
Thanks, Â
Tom
On Aug 18, 2014, at 12:56 PM, vanremog(at)aol.com (vanremog(at)aol.com) wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Â
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Â
Comments from those who have gone thru this would be most helpful.
Â
-Thx
Â
GV
____________________________________________________________
[img]http://thirdpartyoffers.juno.com/TGLI3156/?u=http://newsletter.adsonar.com/nwrss/imgs/nwr_1560786_36140222_379054_2070767_4_2.PNG?placementId=1560786&plid=379054&pid=2070767&ps=36140222&rotation=4&type=2&zw=500&zh=70&v=5&url=NA&uid=[/img]
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
| Quote: |
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
[b]
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HCRV6(at)comcast.net
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| Posted: Fri Aug 22, 2014 3:16 pm Post subject: Navaid AP-1 gyro motor |
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Hi Dave,
Interesting that you still get some hunting about the GPS course even with your servo at the aileron bellcrank. Anyway, I agree that this is not a serious drawback for the Trio and that the additional capabilities of the Trio are definitely worth the minor annoyance it causes. The only time it really bugs me is if I have one or more planes in loose formation trying to stay with me questioning why I'm wandering about the course.
Harry Crosby
From: "David Leonard" <wdleonard(at)gmail.com>
To: "RV-List" <rv-list(at)matronics.com>
Sent: Wednesday, August 20, 2014 12:50:38 PM
Subject: Re: Navaid AP-1 gyro motor
Hi Harry,
I also have an old Navaid control head sitting around that I would let go for a song (like a good show tune or something). But I actually recommend going with the Trio. In my experience it has been very useful and works much better than the Navaid ever did. I do get some minimal hunting while on GPS flight plan (servo is in wing at aileron bellcrank), but when using GPS course as guidance (a ground course as opposed to trying to stay dead center of the flight plan) it is rock solid and there is no hunting at all. I find that is the way I usually fly anyway, as I am always making deviations for airspace or traffic or what-not anyway and never bother to fly all the way back to the flight plan path.
Dave Leonard
On Tue, Aug 19, 2014 at 12:04 PM, <HCRV6(at)comcast.net (HCRV6(at)comcast.net)> wrote:
| Quote: | Wow, thanks Gary I will try that right away.
Harry Crosby
RV-6 N16CX, 1200 hours (as of last flight.)
From: "Gary A. Sobek" <RV6_Flyer(at)hotmail.com (RV6_Flyer(at)hotmail.com)>
To: "RV-List" <rv-list(at)matronics.com (rv-list(at)matronics.com)>
Sent: Monday, August 18, 2014 4:48:06 PM
Subject: Re: Navaid AP-1 gyro motor
Harry:
I did the same as you. I can dampen out the hunting by adding some aileron trim bias to one side. (Turn manual aileron trim as far as it will go to one side.) The load on the control helps with hunting.
Gary:
There is a thread on VAF about the motor replacement.
http://www.vansairforce.com/community/showthread.php?t=38078
I recommend reading post #5. It says almost any motor can be used as a replacement but stated that the Micromo was the longest lasting. There is a link to a less expensive item on eBay.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
2,900+ Flying Hours Pennsylvania, USA
On 08-18-2014, 7:24 PM, HCRV6(at)comcast.net (HCRV6(at)comcast.net) wrote:
| Quote: | GV,
The same thing happened to me on the way to OSH two years ago. I bought a Trio head while there and installed it after I got home, using the old Navaid servo. The Trio works OK and has some features that were not available in the Navaid, but it has an annoying tendency that I have never been able to trim out of hunting back and forth around the GPS course. If I could have obtained a new motor for the Navaid I would have gone that way and been completely satisfied (until it died again). The Trio folks insist that the problem is because the servo is mounted under the passenger seat, just like yours, and that they highly recommend mounting the servo in the wing tip. Bottom line is you will probably be happy if you go with a Trio and use the old servo like I did, and just as happy if you find a replacement motor.
Harry Crosby
From: "Thomas Doran" <dorante(at)juno.com> (dorante(at)juno.com)
To: "RV-List" <rv-list(at)matronics.com> (rv-list(at)matronics.com)
Sent: Monday, August 18, 2014 3:58:20 PM
Subject: Re: Navaid AP-1 gyro motor
I have two NAVAID control heads (one I got as a spare) and a servo that I removed from my RV-8A. I replaced it with a Dynon Skyview and Autopilot.
I have been planning to put them on EBAY, but haven’t gotten around to it.
Are you interested?
Thanks,
Tom
On Aug 18, 2014, at 12:56 PM, vanremog(at)aol.com (vanremog(at)aol.com) wrote:
| Quote: | Well it has finally happened again. The gyro motor on my ancient Navaid Devices wing leveler has burned out. Navaid Devices went TU in 2008 and their proprietary motor (Micromo 1624L012S692) is no longer available. Does anyone know if these motors are available elsewhere in someone's stash? I heard that one of the Navaid people (Horace, I think) was the last to do the repairs before they closed their doors.
Is the right solution to go with the Trio head and keep the Navaid S1 servo or replace the whole enchilada?
Comments from those who have gone thru this would be most helpful.
-Thx
GV
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vanremog(at)aol.com
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| Posted: Fri Aug 22, 2014 6:37 pm Post subject: Navaid AP-1 gyro motor |
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So, what I have found out is that the original motor from Micromo is no longer available. The closest thing to the original is their 1624T012S123-277. It differs from the original in the kind of grease used and the back shaft is 1mm shorter. George Hunt and Jani Glover at Micromo were very helpful in helping me nail down the details.
The replacement motor is $110 and was in stock. I should have it in a week or so and will advise whether I have the AP-1 working again or it and the new motor have gone off to Valhalla.
The challenge will be to install the .149" thick flywheel on the 4mm back shaft. I will rough up the shafts, apply some Loctite 271 and press the front flywheel on until flush then press the back flywheel on only .125" or so. Once that is done and I have reassembled the unit, balanced the gyro/motor/flywheel on its shaft and wired it up I should be good to go. It's not nearly as complex as the multilayer high density surface mounted defense boards I work on every day, but does require a steady hand, good soldering skills and a microscope. Hope for the best.
-GV
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