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Usefulness of the stock stall warning system Vs AOA indicati

 
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stuewe



Joined: 10 Nov 2008
Posts: 6
Location: Wichita, KS

PostPosted: Wed Nov 11, 2009 12:15 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)

[quote][b]


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rene(at)felker.com
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PostPosted: Wed Nov 11, 2009 12:44 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

Being one that worries about stalling, I installed mine along with an AOA and the GRT stuff. You can never have to much stall warning in my book.

It is not a lot of work and I am sure it does not make my airplane go slower………

I would recommend doing it….

What I did decide against doing was putting in two…..one is each wing…. J


Rene' Felker
RV-10 N423CF Flying
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Christopher Stuewe
Sent: Wednesday, November 11, 2009 1:01 PM
To: rv10-list(at)matronics.com
Subject: Usefulness of the stock stall warning system Vs AOA indications


Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)


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robin1(at)mrmoisture.com
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PostPosted: Wed Nov 11, 2009 1:20 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

Stuewe,
I have a similar set up. I chose to remove the mechanical stall warning system on my -10 in favor of my Back Up Dynon internal AOA and stall warning system. I have gouged myself more than once on the mechanical warning tabs. It seemed like the perfect solution to me (too). I also have the Dynon dual hole heated Pitot tube. Please keep in mind I have had several other RV’s w/o any audible stall warning onboard. When trying to program the Dynon we have been unsuccessful at properly setting up the warning system having followed the set up procedure three different times. Please know that the set up procedure is a series of intense stalls in different flight configurations. Trying to do more than two series of attempts at setting up the system is plenty enough stalls for one afternoon. Especially the power on stalls that have you looking straight up will all the power available on our ships. An assistant is a must for this set up.
The best I have got the system is to warn on stall (pretty darn well) plus display the AOA. Unfortunately on the ground it also displays full stall and warns even though I am on the ground holding short. The system is speed sensitive and should not warn while slower than some reasonable number (I forgot the number). To solve this I have turned off the audio component making the unit useless at this time for me. Please keep in mind I have not called Dynon to discuss this as I was going to try one more time to refresh my memory on the set up procedure before asking for help. Also know that I can be digitally challenged having complained about updating the G900X due to it’s DOS like update procedures and pathetically non-specific (or accurate) instructions. I have since updated the Garmin and have been pleased with the results. I will get to the Dynon AOA over the winter.
Seems if one were interested in a simple and proven solution keeping the mechanical stall warning would be a good choice.

Good luck,
Robin

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Christopher Stuewe
Sent: Wednesday, November 11, 2009 12:01 PM
To: rv10-list(at)matronics.com
Subject: Usefulness of the stock stall warning system Vs AOA indications


Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)


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lbgjb10



Joined: 28 Jan 2008
Posts: 67

PostPosted: Wed Nov 11, 2009 2:12 pm    Post subject: Re: Usefulness of the stock stall warning system Vs AOA indi Reply with quote

I have AFS and use their AOA and elected not to have a stall horn. I've struggled getting the thing calibrated correctly even having done it 3 or 4 times. It's still not correct. However, the -10 really is very docile and gives huge warning about stalling so I really don't think it makes much difference what you do, maybe unless your hanging it on the edge going into the jungle with a very short runway and like the sound of the stall horn or the AOA and hope their correct!!!! larry

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lbgjb10



Joined: 28 Jan 2008
Posts: 67

PostPosted: Wed Nov 11, 2009 2:15 pm    Post subject: Re: Usefulness of the stock stall warning system Vs AOA indi Reply with quote

I have AFS and use their AOA and elected not to have a stall horn. I've struggled getting the thing calibrated correctly even having done it 3 or 4 times. It's still not correct. However, the -10 really is very docile and gives huge warning about stalling so I really don't think it makes much difference what you do, maybe unless your hanging it on the edge going into the jungle with a very short runway and like the sound of the stall horn or the AOA and hope their correct!!!! larry

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coop85(at)verizon.net
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PostPosted: Wed Nov 11, 2009 3:56 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

I would personally recommend including the mechanical stall warning. Having flown 4 fighters over the20 years I have a deep appreciation for AOA and lived by it. However, while I realize a lot of people get pretty excited about having an AOA indication in the RV-10 I think it's unnecessary in this airplane as the stall speed does not vary that much with the range of weight we carry and there's not a lot of aggressive maneuvering going on. More importantly, the mechanical system is simple and works dead on every time, I'm very impressed with it's accuracy and reliability. If you want the AOA system, go for it, but in my opinion there is no benefit to not having the mechanical system tied in to the supplied buzzer.

Marcus

do not archive

--- On Wed, 11/11/09, Christopher Stuewe <stuewe(at)gmail.com> wrote:

Quote:

From: Christopher Stuewe <stuewe(at)gmail.com>
Subject: Usefulness of the stock stall warning system Vs AOA indications
To: rv10-list(at)matronics.com
Date: Wednesday, November 11, 2009, 3:01 PM

Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)

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conradb



Joined: 02 Jun 2008
Posts: 11
Location: warner robins, georgia

PostPosted: Wed Nov 11, 2009 4:15 pm    Post subject: Re: Usefulness of the stock stall warning system Vs AOA indi Reply with quote

Keep Van's stall warning system. Because when the buzzer go's off it will wake you up. And it does not need a heated pitot tube and a glass screen to operate.
do not archive


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dlm46007(at)cox.net
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PostPosted: Wed Nov 11, 2009 4:56 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

I installed neither the standard stall warning or an AOA system. The Cheltons start warning below 70 KIAS and 60 KIAS. By far the most noticeable is the elevator caused stick buffet. If you miss the physical characteristics of the stall onset, you are comatose. Your AOA plans are well sufficient.

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Christopher Stuewe
Sent: Wednesday, November 11, 2009 1:01 PM
To: rv10-list(at)matronics.com
Subject: Usefulness of the stock stall warning system Vs AOA indications

Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)

[quote]

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href="http://www.buildersbooks.com">www.buildersbooks.com
href="http://www.homebuilthelp.com">www.homebuilthelp.com
href="http://www.matronics.com/contribution">http://www.matronics.com/chref="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List
href="http://forums.matronics.com">http://forums.matronics.com

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ricksked(at)embarqmail.co
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PostPosted: Wed Nov 11, 2009 6:44 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

Gotta go with Rene and others on this one...it costs nothing, and comes with the kit. I have a stall annunciator on my panel...can't hear the horn but when the AFS says push push then the red light flashes then your butt shakes and then you stall...you have no excuses for killing yourself...pretty blunt but give me/us a real good reason "not" to have an additional stall warning.. I see the light steady just prior to the mains squeaking on the runway....l recommend you. take the little time required and put it in....can't hurt.. and it is how the aircraft is designed. It will .only help...my 2 cents worth as they say...besides it give you something to describe...everyone asks what it is...Rick Sked70 hours and risingN246RS
Sent via BlackBerry by AT&TFrom: "Rene Felker" <rene(at)felker.com>
Date: Wed, 11 Nov 2009 13:40:49 -0700
To: <rv10-list(at)matronics.com>
Subject: RE: RV10-List: Usefulness of the stock stall warning system Vs AOA indications


Being one that worries about stalling, I installed mine = along with an AOA and the GRT stuff. You can never have to much stall = warning in my book.

It is not a lot of work and I am sure it does not make my airplane go slower………

I would recommend doing it….

What I did decide against doing was putting in = two…..one is each wing…. J


Rene' Felker
RV-10 N423CF Flying
801-721-6080
From:= owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of = Christopher Stuewe
Sent: Wednesday, November 11, 2009 1:01 PM
To: rv10-list(at)matronics.com
Subject: RV10-List: Usefulness of the stock stall warning system = Vs AOA indications


Hello fellow = listers!

I am building an RV-10 and have been lurking here for a while. I = have come to a point in the build where I have to make a decision soon and = I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system = with the dual-holed pitot probe to provide AOA indication. I'm thinking = that should provide all the stall warning information that I would = need. Am I overlooking something? Is there a good reason to go ahead and = include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)


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johngoodman



Joined: 18 Sep 2006
Posts: 530
Location: GA

PostPosted: Wed Nov 11, 2009 7:17 pm    Post subject: Re: Usefulness of the stock stall warning system Vs AOA indi Reply with quote

I would recommend you get an AoA, but the stall warning kit bag has lots of useful rivets in it....
John


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partner14



Joined: 12 Jan 2008
Posts: 540
Location: Granbury Texas

PostPosted: Wed Nov 11, 2009 8:58 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

Sorry guys, It's really all about the pants........................................... my fellow 10 driver behind me seems to always have a rip in his pants at just the height of the Van's system.
I went with a non rip system.
Don McDonald

--- On Wed, 11/11/09, ricksked(at)embarqmail.com <ricksked(at)embarqmail.com> wrote:

Quote:

From: ricksked(at)embarqmail.com <ricksked(at)embarqmail.com>
Subject: Re: Usefulness of the stock stall warning system Vs AOA indications
To: rv10-list(at)matronics.com
Date: Wednesday, November 11, 2009, 6:30 PM

Gotta go with Rene and others on this one...it costs nothing, and comes with the kit. I have a stall annunciator on my panel...can't hear the horn but when the AFS says push push then the red light flashes then your butt shakes and then you stall...you have no excuses for killing yourself...pretty blunt but give me/us a real good reason "not" to have an additional stall warning.. I see the light steady just prior to the mains squeaking on the runway....l recommend you. take the little time required and put it in....can't hurt.. and it is how the aircraft is designed. It will .only help...my 2 cents worth as they say...besides it give you something to describe...everyone asks what it is...

Rick Sked
70 hours and rising
N246RS Sent via BlackBerry by AT&T
From: "Rene Felker" <rene(at)felker.com>
Date: Wed, 11 Nov 2009 13:40:49 -0700
To: <rv10-list(at)matronics.com>
Subject: RE: Usefulness of the stock stall warning system Vs AOA indications



Being one that worries about stalling, I installed mine = along with an AOA and the GRT stuff. You can never have to much stall = warning in my book.



It is not a lot of work and I am sure it does not make my airplane go slower………



I would recommend doing it….



What I did decide against doing was putting in = two…..one is each wing…. J





Rene' Felker

RV-10 N423CF Flying

801-721-6080

From:= owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of = Christopher Stuewe
Sent: Wednesday, November 11, 2009 1:01 PM
To: rv10-list(at)matronics.com
Subject: RV10-List: Usefulness of the stock stall warning system = Vs AOA indications




Hello fellow = listers!

I am building an RV-10 and have been lurking here for a while. I = have come to a point in the build where I have to make a decision soon and = I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system = with the dual-holed pitot probe to provide AOA indication. I'm thinking = that should provide all the stall warning information that I would = need. Am I overlooking something? Is there a good reason to go ahead and = include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com

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Don A. McDonald
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acsjohn



Joined: 27 Jul 2009
Posts: 15
Location: Australia

PostPosted: Wed Nov 11, 2009 9:30 pm    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

I used to have one eyebrow………joined in the middle by a deep furrow shaped like a stall warning vane.
Certainly got me to lower the nose, and I shook like s(at)#$
I went with a dual eyebrow system
Do not archive
John 40315




From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Don McDonald
Sent: Thursday, 12 November 2009 2:57 PM
To: rv10-list(at)matronics.com
Subject: Re: Usefulness of the stock stall warning system Vs AOA indications

Sorry guys, It's really all about the pants........................................... my fellow 10 driver behind me seems to always have a rip in his pants at just the height of the Van's system.

I went with a non rip system.

Don McDonald

--- On Wed, 11/11/09, ricksked(at)embarqmail.com <ricksked(at)embarqmail.com> wrote:
Quote:


From: ricksked(at)embarqmail.com <ricksked(at)embarqmail.com>
Subject: Re: Usefulness of the stock stall warning system Vs AOA indications
To: rv10-list(at)matronics.com
Date: Wednesday, November 11, 2009, 6:30 PM
Gotta go with Rene and others on this one...it costs nothing, and comes with the kit. I have a stall annunciator on my panel...can't hear the horn but when the AFS says push push then the red light flashes then your butt shakes and then you stall...you have no excuses for killing yourself...pretty blunt but give me/us a real good reason "not" to have an additional stall warning.. I see the light steady just prior to the mains squeaking on the runway....l recommend you. take the little time required and put it in....can't hurt.. and it is how the aircraft is designed. It will .only help...my 2 cents worth as they say...besides it give you something to describe...everyone asks what it is...

Rick Sked
70 hours and rising
N246RS
Sent via BlackBerry by AT&T


From: "Rene Felker" <rene(at)felker.com>

Date: Wed, 11 Nov 2009 13:40:49 -0700

To: <rv10-list(at)matronics.com>

Subject: RE: Usefulness of the stock stall warning system Vs AOA indications



Being one that worries about stalling, I installed mine = along with an AOA and the GRT stuff. You can never have to much stall = warning in my book.



It is not a lot of work and I am sure it does not make my airplane go slower………


I would recommend doing it….

What I did decide against doing was putting in = two…..one is each wing…. J


Rene' Felker
RV-10 N423CF Flying
801-721-6080
From:= owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of = Christopher Stuewe
Sent: Wednesday, November 11, 2009 1:01 PM
To: rv10-list(at)matronics.com
Subject: Usefulness of the stock stall warning system = Vs AOA indications


Hello fellow = listers!

I am building an RV-10 and have been lurking here for a while. I = have come to a point in the build where I have to make a decision soon and = I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system = with the dual-holed pitot probe to provide AOA indication. I'm thinking = that should provide all the stall warning information that I would = need. Am I overlooking something? Is there a good reason to go ahead and = include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com <![if !supportLineBreakNewLine]> <![endif]>
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Sstella(at)incisaledge.co
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PostPosted: Thu Nov 12, 2009 6:35 am    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

I posted this question a few weeks back and the feedback that I got back was mostly positive for the AOA. Some people said that it helped with how they fly and how they make their approaches so I’ve made the decision to go with the AOA from AFS and skipped the stall warning install.


Steve Stella
#40654 Wings
N521RV reserved


From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Christopher Stuewe
Sent: Wednesday, November 11, 2009 3:01 PM
To: rv10-list(at)matronics.com
Subject: Usefulness of the stock stall warning system Vs AOA indications


Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)


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rene(at)felker.com
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PostPosted: Thu Nov 12, 2009 7:08 am    Post subject: Usefulness of the stock stall warning system Vs AOA indicati Reply with quote

I am not being defensive about my decision….but in the open converssations on the list I only remember one negative for the stock stall warning…….

Only have a few minutes, but off the top of my head…

Cons
You may rip your pants on it…(if I used that as a guide I would remove my prop……I hit my head on it several times. J)

Pros
Backup to other systems
Can be made completely independent of other systems (with its own backup battery if need be)

If the primary system goes down, the backup systems need to be simple

In general I looked at the risks involved in flying light AC and what “gets” the pilots.

<![if !supportLists]>1. <![endif]> VFR into IFR (have instrument rating and instrument capable airplane with backups (3 total)) (GRT, Blue Mountain, TruTrack ADI and Autopilot)
<![if !supportLists]>2. <![endif]>Approach and Departure stalls (AOA, Stall Warning, and EFIS (ADI also provides airspeed warning))
<![if !supportLists]>3. <![endif]>Fuel (3 systems)(Float gages, fuel flow in EIS, Low fuel detection in each tank)


Rene' Felker
RV-10 N423CF Flying

801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Steve Stella
Sent: Thursday, November 12, 2009 7:29 AM
To: rv10-list(at)matronics.com
Subject: RE: Usefulness of the stock stall warning system Vs AOA indications



I posted this question a few weeks back and the feedback that I got back was mostly positive for the AOA. Some people said that it helped with how they fly and how they make their approaches so I’ve made the decision to go with the AOA from AFS and skipped the stall warning install.


Steve Stella
#40654 Wings
N521RV reserved


From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Christopher Stuewe
Sent: Wednesday, November 11, 2009 3:01 PM
To: rv10-list(at)matronics.com
Subject: Usefulness of the stock stall warning system Vs AOA indications


Hello fellow listers!

I am building an RV-10 and have been lurking here for a while. I have come to a point in the build where I have to make a decision soon and I'm looking for some input from those who have gone before me.

I'm building my wings and I am considering not including the stock stall warning system. I am planning on installing a Dynon EFIS system with the dual-holed pitot probe to provide AOA indication. I'm thinking that should provide all the stall warning information that I would need. Am I overlooking something? Is there a good reason to go ahead and include the stock stall warning system?

Thanks,
Stuewe
stuewe(at)gmail.com (stuewe(at)gmail.com)

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