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rv10flyer(at)live.com
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 Posted: Tue Oct 29, 2013 8:23 am Post subject: power settings for descent or climbs |
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Looking for the initial reduction/increase power change needed for climbs or descents to keep the same airspeed? (example- landing at 120kts, aircraft is setup at cruise to be at 120kts when reach OM, how much power would I need to pull for every 100 fpm? so if it’s 500fpm it would be 5X that setting)
Thank you!
Pascal
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Jim Berry
Joined: 10 Jan 2006
Posts: 237
Location: Denver
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| Posted: Tue Oct 29, 2013 9:18 am Post subject: Re: power settings for descent or climbs |
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If you are landing at 120 K, I hope you have a very long runway. Only partially answering your question, I get the following from my -10:
17" clean = 120K
15" clean = 110K
12" & flaps1 = 85K with 500 fpm descent
Jim Berry
RV-10
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carl.froehlich(at)verizon
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| Posted: Tue Oct 29, 2013 10:12 am Post subject: power settings for descent or climbs |
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Here is a start I did for this. Adjust as needed.
I have been using 120 knots for initial approach, 100 knots at the IAP, and 87 knots at the FAF (full flap speed).
Carl
N7ZK Power/Speed Configuration Setting
                       May 26, 2013
                                   MP     RPM  IAS    VS
Climb                         24       2400   130     1000
Cruise Dec                14       2300   130     -500
                                   18       2350   170     -500
Appr Level                18       2200   120     ----
Prec Appr Dec          14       2200   87       -300
N-Pres Appr Dec      12       2200   87       -700
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Pascal
Sent: Tuesday, October 29, 2013 12:24 PM
To: rv10-list(at)matronics.com
Subject: power settings for descent or climbs
Looking for the initial reduction/increase power change needed for climbs or descents to keep the same airspeed? (example- landing at 120kts, aircraft is setup at cruise to be at 120kts when reach OM, how much power would I need to pull for every 100 fpm? so if it’s 500fpm it would be 5X that setting)
Thank you!
Pascal
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
01234567
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rv10flyer(at)live.com
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| Posted: Tue Oct 29, 2013 10:40 am Post subject: power settings for descent or climbs |
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Thank you Carl! what I was looking for as a start.
Pascal
From: Carl Froehlich (carl.froehlich(at)verizon.net)
Sent: Tuesday, October 29, 2013 11:12 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: RE: power settings for descent or climbs
Here is a start I did for this. Adjust as needed.
I have been using 120 knots for initial approach, 100 knots at the IAP, and 87 knots at the FAF (full flap speed).
Carl
N7ZK Power/Speed Configuration Setting
May 26, 2013
MP RPM IAS VS
Climb 24 2400 130 1000
Cruise Dec 14 2300 130 -500
18 2350 170 -500
Appr Level 18 2200 120 ----
Prec Appr Dec 14 2200 87 -300
N-Pres Appr Dec 12 2200 87 -700
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Pascal
Sent: Tuesday, October 29, 2013 12:24 PM
To: rv10-list(at)matronics.com
Subject: power settings for descent or climbs
Looking for the initial reduction/increase power change needed for climbs or descents to keep the same airspeed? (example- landing at 120kts, aircraft is setup at cruise to be at 120kts when reach OM, how much power would I need to pull for every 100 fpm? so if it’s 500fpm it would be 5X that setting)
Thank you!
Pascal
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
01234567
8
[quote][b]
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Tue Oct 29, 2013 12:29 pm Post subject: power settings for descent or climbs |
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You must not fly into very many busy airports. Why not fly 120 to Loc
intercept and 100 from FAF to DH? Most any precision approach will have
at least 7-8000 ft runway to get slowed down to land, and you are only
needing to lose 30 kts with flaps.
I use 105 from turn on to final in my Mooney and that is due to gear
speed limit of 105, so I can drop gear at glideslope intercept. No
problem slowing from there to 70 kts over runway end with the same 87kt
flap speed limit as the -10. I don't use flaps until have runway in
sight. Makes for easier missed approach and better fit with faster traffic.
On 10/29/2013 11:12 AM, Carl Froehlich wrote:
| Quote: | Here is a start I did for this. Adjust as needed.
I have been using 120 knots for initial approach, 100 knots at the IAP, and 87 knots at the FAF (full flap speed).
Carl
N7ZK Power/Speed Configuration Setting
May 26, 2013
MP RPM IAS VS
Climb 24 2400 130 1000
Cruise Dec 14 2300 130 -500
18 2350 170 -500
Appr Level 18 2200 120 ----
Prec Appr Dec 14 2200 87 -300
N-Pres Appr Dec 12 2200 87 -700
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Pascal
Sent: Tuesday, October 29, 2013 12:24 PM
To: rv10-list(at)matronics.com
Subject: power settings for descent or climbs
Looking for the initial reduction/increase power change needed for climbs or descents to keep the same airspeed? (example- landing at 120kts, aircraft is setup at cruise to be at 120kts when reach OM, how much power would I need to pull for every 100 fpm? so if it’s 500fpm it would be 5X that setting)
Thank you!
Pascal
|
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http://www.matronics.com/Navigator?RV10-List |
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD |
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napolin(at)me.com
Guest
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| Posted: Tue Oct 29, 2013 1:01 pm Post subject: power settings for descent or climbs |
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I think if the weather is down to minimums you might want to come in slow to give yourself the best chance of seeing the runway.
Nikolaos Napoli
| Quote: | On Oct 29, 2013, at 4:28 PM, Kelly McMullen <kellym(at)aviating.com> wrote:
You must not fly into very many busy airports. Why not fly 120 to Loc intercept and 100 from FAF to DH? Most any precision approach will have at least 7-8000 ft runway to get slowed down to land, and you are only needing to lose 30 kts with flaps.
I use 105 from turn on to final in my Mooney and that is due to gear speed limit of 105, so I can drop gear at glideslope intercept. No problem slowing from there to 70 kts over runway end with the same 87kt flap speed limit as the -10. I don't use flaps until have runway in sight. Makes for easier missed approach and better fit with faster traffic.
> On 10/29/2013 11:12 AM, Carl Froehlich wrote:
> Here is a start I did for this. Adjust as needed.
>
>
> I have been using 120 knots for initial approach, 100 knots at the IAP, and 87 knots at the FAF (full flap speed).
>
>
> Carl
>
>
> N7ZK Power/Speed Configuration Setting
>
> May 26, 2013
>
>
> MP RPM IAS VS
>
> Climb 24 2400 130 1000
>
>
> Cruise Dec 14 2300 130 -500
>
> 18 2350 170 -500
>
>
> Appr Level 18 2200 120 ----
>
>
> Prec Appr Dec 14 2200 87 -300
>
>
> N-Pres Appr Dec 12 2200 87 -700
>
>
>
>
> From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Pascal
> Sent: Tuesday, October 29, 2013 12:24 PM
> To: rv10-list(at)matronics.com
> Subject: power settings for descent or climbs
>
>
> Looking for the initial reduction/increase power change needed for climbs or descents to keep the same airspeed? (example- landing at 120kts, aircraft is setup at cruise to be at 120kts when reach OM, how much power would I need to pull for every 100 fpm? so if it’s 500fpm it would be 5X that setting)
>
> Thank you!
>
>
> Pascal
>
>
>
|
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http://www.matronics.com/Navigator?RV10-List |
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rv10flyer(at)live.com
Guest
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| Posted: Tue Oct 29, 2013 1:03 pm Post subject: power settings for descent or climbs |
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Before this goes off on landing approaches, I was using that as an example. I really should have asked what power change is needed at cruise to keep airspeed at (constant) for a 500fpm descent or climb.
I'll go out and fly around and figure this out. Was just trying to recall what a change of 1MP would do.
Thx
Pascal
Sent from my iPad
| Quote: | On Oct 29, 2013, at 1:35 PM, "Kelly McMullen" <kellym(at)aviating.com> wrote:
You must not fly into very many busy airports. Why not fly 120 to Loc intercept and 100 from FAF to DH? Most any precision approach will have at least 7-8000 ft runway to get slowed down to land, and you are only needing to lose 30 kts with flaps.
I use 105 from turn on to final in my Mooney and that is due to gear speed limit of 105, so I can drop gear at glideslope intercept. No problem slowing from there to 70 kts over runway end with the same 87kt flap speed limit as the -10. I don't use flaps until have runway in sight. Makes for easier missed approach and better fit with faster traffic.
> On 10/29/2013 11:12 AM, Carl Froehlich wrote:
> Here is a start I did for this. Adjust as needed.
>
>
> I have been using 120 knots for initial approach, 100 knots at the IAP, and 87 knots at the FAF (full flap speed).
>
>
> Carl
>
>
> N7ZK Power/Speed Configuration Setting
>
> May 26, 2013
>
>
> MP RPM IAS VS
>
> Climb 24 2400 130 1000
>
>
> Cruise Dec 14 2300 130 -500
>
> 18 2350 170 -500
>
>
> Appr Level 18 2200 120 ----
>
>
> Prec Appr Dec 14 2200 87 -300
>
>
> N-Pres Appr Dec 12 2200 87 -700
>
>
>
>
> From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Pascal
> Sent: Tuesday, October 29, 2013 12:24 PM
> To: rv10-list(at)matronics.com
> Subject: power settings for descent or climbs
>
>
> Looking for the initial reduction/increase power change needed for climbs or descents to keep the same airspeed? (example- landing at 120kts, aircraft is setup at cruise to be at 120kts when reach OM, how much power would I need to pull for every 100 fpm? so if it’s 500fpm it would be 5X that setting)
>
> Thank you!
>
>
> Pascal
|
| | - The Matronics RV10-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?RV10-List |
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Bob Turner
Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA
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| Posted: Tue Oct 29, 2013 1:18 pm Post subject: Re: power settings for descent or climbs |
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The traditional rule of thumb is 1" MP gives you 100 ft per minute, same speed.
| | - The Matronics RV10-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?RV10-List |
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_________________
Bob Turner
RV-10 QB |
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carl.froehlich(at)verizon
Guest
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| Posted: Tue Oct 29, 2013 1:46 pm Post subject: power settings for descent or climbs |
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Yep - adjust approach speed as needed for the environment.
Carl
--
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