REFLECTOR: Dynon Autopilot
David Ullman
ullman at robustdecisions.com
Tue Apr 3 18:46:58 CDT 2012
Thanks for all the input. Seems like for the elevator that Geoff Gerhardt
connected straight to the elevator shaft whereas others have connected to
the spring as with the trim actuator. I know Geoff isn't in the air yet so
no proof that this is a good place. Not clear the trade-offs here. Need to
think on that.
For roll, most are at the "whale tail", but Michael Watson has his on the
firewall. Michael, do have any photos? I like this idea as I am large and
the thought of doing more work in the back of the cockpit has very little
appeal for me.
David Ullman
N-444DX Velocity
EAA 292 President
david at davidullman.com
541-754-3609
1655 NW Hillcrest Dr
Corvallis OR 97330
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Sent: Tuesday, April 03, 2012 11:36 AM
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Today's Topics:
1. Re: Dynon Autopilot (Michael Watson)
2. Re: Dynon autopilot (Ron N Velocity XLFG)
3. Re: Dynon Autopilot (Scott Derrick)
4. Re: Dynon Autopilot (Peter Braswell)
5. Re: Dynon autopilot (Alex Balic)
----------------------------------------------------------------------
Message: 1
Date: Tue, 3 Apr 2012 13:22:03 -0400
From: Michael Watson <mikewatsspg at gmail.com>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Subject: Re: REFLECTOR: Dynon Autopilot
Message-ID:
<CAPgogjOsxSxz_G3LQB8zLWu2ZqkAmsw2ZXmxULKYjwkqtB0vvA at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
David,
I've had my roll servo on the upper pilot side of the firewall for 12 years
now.
It's connected to the left aileron bell crank. Works perfectly, no heat or
binding problems.
On Tue, Apr 3, 2012 at 12:48 PM, David Ullman
<ullman at robustdecisions.com>wrote:
> Peter, thanks for the comments. I actually finally got the roll trim
> to work well on N444DX, an SEFG. Ok course, this is not needed with
> autopilot.
> Space by the whale tail is cramped, thinking of putting servo in one
> of the wing roots and driving the aileron bellcrank directly. There
> is very little play between the two ailerons , so this seems a good
> solution for cramped space. Might have a heat problem as this is very
> near the cylinders, so..... maybe not. Any thoughts?
>
> David Ullman
> N-444DX Velocity
> EAA 292 President
> david at davidullman.com
> 541-754-3609
> 1655 NW Hillcrest Dr
> Corvallis OR 97330
>
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery user:pw = tvbf:jamaicangoose
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--
Mike W.
1997 Velocity Elite RG
Franklin /IVO Electric CS
Dual GRT EFIS HX Synthetic Vision
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Message: 2
Date: Tue, 3 Apr 2012 12:31:24 -0500
From: "Ron N Velocity XLFG" <VelocityXL at fastmail.fm>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Subject: Re: REFLECTOR: Dynon autopilot
Message-ID: <7C2AC99F801C498FA711BA79A5995840 at tungsten.com>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Got pictures of you auto pilot elevator trim setup?
----- Original Message -----
From: "Alex Balic" <velocity_pilot at verizon.net>
To: "'Velocity Aircraft Owners and Builders list'" <reflector at tvbf.org>
Sent: Tuesday, April 03, 2012 10:55 AM
Subject: Re: REFLECTOR: Dynon autopilot
>I placed my pitch servo on the canard top- actuates the elevator in the
>same
> manner as the pitch trim does, but works on the other elevator with a
> second
> attach point. The roll servo is mounted on the floor between the gear
> bulkhead and the rear fins of the keel, actuates the arm that the flex
> cables are attached to.
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of David Ullman
> Sent: Tuesday, April 03, 2012 7:35 AM
> To: reflector at tvbf.org
> Subject: REFLECTOR: Dynon autopilot
>
> Anyone flying with a Dynon autopilot? I have a Skyview and just saved up
> enough ($1500) for the servos but want to see how others have installed
> them
> (especially on roll) before I send money and spend time.
>
> David Ullman
> N-444DX Velocity
> EAA 292 President
> david at davidullman.com
> 541-754-3609
> 1655 NW Hillcrest Dr
> Corvallis OR 97330
> *********
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery user:pw = tvbf:jamaicangoose
> Check
> new archives: www.tvbf.org/pipermail Check old archives:
> http://www.tvbf.org/archives/velocity/maillist.html
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
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> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
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------------------------------
Message: 3
Date: Tue, 03 Apr 2012 11:37:18 -0600
From: Scott Derrick <scott at tnstaafl.net>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Subject: Re: REFLECTOR: Dynon Autopilot
Message-ID: <4F7B354E.1030003 at tnstaafl.net>
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Message: 4
Date: Tue, 3 Apr 2012 13:53:12 -0400
From: Peter Braswell <peter.braswell at gmail.com>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Subject: Re: REFLECTOR: Dynon Autopilot
Message-ID:
<CAP6bQxF+-LHKz0VcoRb43SAVYo793xvm97Qf6ssU--rivtgXAQ at mail.gmail.com>
Content-Type: text/plain; charset="windows-1252"
David,
That's a great question and one that I'm hesitant to answer as I don't have
any direct experience with the AP serves and the heat. Looks like a couple
of folks have chimed in and have indicated that this works just fine. As
most of the servo technology is basically the same (just a stepper motor),
I'm speculating that Dynon would give similar performance. I do know that
some manufacturers (Trio in particular) put micro controllers in their
servos, so that might be a factor too. I'm not sure if Dynon has a Mc in
their serves, but I don't *think* they do.
Seems like a great place for them though ?
-Peter
------------------------------------------------------------------------
*"It's a Jungle Up There": www.zuluworks.com*
*Great Aviation Gear: www.sky-gadgets.com*
------------------------------------------------------------------------
On Tue, Apr 3, 2012 at 12:48 PM, David Ullman
<ullman at robustdecisions.com>wrote:
> Peter, thanks for the comments. I actually finally got the roll trim to
> work well on N444DX, an SEFG. Ok course, this is not needed with
> autopilot.
> Space by the whale tail is cramped, thinking of putting servo in one of
the
> wing roots and driving the aileron bellcrank directly. There is very
> little
> play between the two ailerons , so this seems a good solution for cramped
> space. Might have a heat problem as this is very near the cylinders,
> so..... maybe not. Any thoughts?
>
> David Ullman
> N-444DX Velocity
> EAA 292 President
> david at davidullman.com
> 541-754-3609
> 1655 NW Hillcrest Dr
> Corvallis OR 97330
>
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
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Message: 5
Date: Tue, 03 Apr 2012 13:19:12 -0500
From: "Alex Balic" <velocity_pilot at verizon.net>
To: "'Ron N Velocity XLFG'" <VelocityXL at fastmail.fm>, "'Velocity
Aircraft Owners and Builders list'" <reflector at tvbf.org>
Subject: Re: REFLECTOR: Dynon autopilot
Message-ID: <07ce01cd11c6$456e8480$d04b8d80$@net>
Content-Type: text/plain; charset="us-ascii"
I have this pretty bad picture taken during installation , I need to go out
and take some new pics- will send them along. Basically, just built up a
small mounting pad on top, made an aluminum bracket to mount it, and got a
second attach bracket from Velocity and set it up pretty much like the trim.
-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Ron N Velocity XLFG
Sent: Tuesday, April 03, 2012 12:31 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Dynon autopilot
Got pictures of you auto pilot elevator trim setup?
----- Original Message -----
From: "Alex Balic" <velocity_pilot at verizon.net>
To: "'Velocity Aircraft Owners and Builders list'" <reflector at tvbf.org>
Sent: Tuesday, April 03, 2012 10:55 AM
Subject: Re: REFLECTOR: Dynon autopilot
>I placed my pitch servo on the canard top- actuates the elevator in the
>same
> manner as the pitch trim does, but works on the other elevator with a
> second
> attach point. The roll servo is mounted on the floor between the gear
> bulkhead and the rear fins of the keel, actuates the arm that the flex
> cables are attached to.
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of David Ullman
> Sent: Tuesday, April 03, 2012 7:35 AM
> To: reflector at tvbf.org
> Subject: REFLECTOR: Dynon autopilot
>
> Anyone flying with a Dynon autopilot? I have a Skyview and just saved up
> enough ($1500) for the servos but want to see how others have installed
> them
> (especially on roll) before I send money and spend time.
>
> David Ullman
> N-444DX Velocity
> EAA 292 President
> david at davidullman.com
> 541-754-3609
> 1655 NW Hillcrest Dr
> Corvallis OR 97330
> *********
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery user:pw = tvbf:jamaicangoose
> Check
> new archives: www.tvbf.org/pipermail Check old archives:
> http://www.tvbf.org/archives/velocity/maillist.html
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
_______________________________________________
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