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bob88
Joined: 24 Feb 2013
Posts: 99
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 Posted: Tue Apr 09, 2013 9:05 pm Post subject: RV 10 Aileron Trim |
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Does anyone have strong opinion pro or con regarding aileron trim for RV10 (in addition to autopilot)?
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carl.froehlich(at)verizon
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| Posted: Wed Apr 10, 2013 2:46 am Post subject: RV 10 Aileron Trim |
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Yes - install it.
The Van's unit is simple, light, effective and inexpensive. While you're at it, buy the Safety Trim unit as well - another good product. If you doing a top hat on the stick for trim, Safety Trim is a much simpler way to go compared to relay decks and such.
Carl
RV-8A (700 hrs)
RV-10 (70 hrs)
On Apr 10, 2013, at 1:05 AM, "bob88" <marty.crooks(at)comcast.net> wrote:
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dmaib@me.com
Joined: 25 Apr 2006
Posts: 455
Location: New Smyrna Beach, Florida
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| Posted: Wed Apr 10, 2013 2:59 am Post subject: Re: RV 10 Aileron Trim |
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I agree with Carl. The -10 is pretty sensitive to lateral imbalance. Thumbs up for Safety Trim, as well.
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David Maib
RV-10 #40559
New Smyrna Beach, FL |
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flying-nut(at)cfl.rr.com
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| Posted: Wed Apr 10, 2013 3:20 am Post subject: RV 10 Aileron Trim |
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I'm installing aileron and rudder trim using model airplane servos
moving a short section of hinge. I used a microcontroller to create the
pulse-width signal.
Linn
On 4/10/2013 1:05 AM, bob88 wrote:
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kdbelue(at)charter.net
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| Posted: Wed Apr 10, 2013 4:34 am Post subject: RV 10 Aileron Trim |
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I don't use it much, but I don't let the fuel tanks get way out of balance either.....
Sent from my iPhone
On Apr 10, 2013, at 1:05 AM, "bob88" <marty.crooks(at)comcast.net> wrote:
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Wed Apr 10, 2013 5:04 am Post subject: RV 10 Aileron Trim |
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You are in luck.....the Van's trim can be easily installed after the plane is complete. So you can decide for yourself whether there is a need or not, before purchasing.
On Tue, Apr 9, 2013 at 10:05 PM, bob88 <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)> wrote:
--
- sent from the microchip implanted in my forearm
[quote][b]
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Kelly McMullen
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bill.peyton
Joined: 19 Sep 2010
Posts: 198
Location: St. Louis, MO
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| Posted: Wed Apr 10, 2013 5:07 am Post subject: Re: RV 10 Aileron Trim |
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Install it. It is inexpensive and easy to install. The -10 is extremely sensitive to fuel imbalance. 5 gallons difference will make a wing heavy. Install a Vertical power system or use the TCW safety trim, they both do an excellent job of managing your trim controls and controlling sensitivity verses aircraft speed.
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Bill
WA0SYV
Aviation Partners, LLC |
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johngoodman
Joined: 18 Sep 2006
Posts: 530
Location: GA
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| Posted: Wed Apr 10, 2013 5:55 am Post subject: Re: RV 10 Aileron Trim |
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It's worth it, so install it. As far as safety trim, I have a Vertical Power 200, so it's already in there.
John
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rv10flyer(at)live.com
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| Posted: Wed Apr 10, 2013 6:20 am Post subject: RV 10 Aileron Trim |
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never understood why VP dropped the -200, it does so much and had the
potential for so much more.. with that said, I have the same setup and can
tell you that I have used it more than expected. Last time was a couple of
pilots that for a while (full fuel) the trim helped keep the plane straight.
Worse case you have it and never need it, but get it for when you will.
Pascal
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Wed Apr 10, 2013 6:33 am Post subject: RV 10 Aileron Trim |
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I suspect that it had relatively poor sales, due to the huge price
difference from its other models, esp. the VPX.
I thought about it a lot, but did not want to have yet another panel
eating screen. I'd love to see them incorporate all of the VP-200
capabilities into the VPX, perhaps as an upscale option beyond the VPX Pro.
On 4/10/2013 7:18 AM, Pascal wrote:
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never understood why VP dropped the -200, it does so much and had the
potential for so much more..
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No virus found in this message.
Checked by AVG - www.avg.com
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Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
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larkrv10(at)gmail.com
Guest
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| Posted: Wed Apr 10, 2013 4:51 pm Post subject: RV 10 Aileron Trim |
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Bob88, something that may be worth considering if you're going with Garmin G3X displays and their new auto pilot servos. The servos have incorporated auto trim capabilities without needing the extra auto trim box that others had to use with the Tru Trak servos. I'm not sure how useful roll auto trim will be, but certainly pitch auto trim is well worth the cost IMHO.
By the way, anyone want a "smokin" deal on Tru Trak RV10 servos?
Rick
#40956
Southampton, Ont
On Wed, Apr 10, 2013 at 1:05 AM, bob88 <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)> wrote:
[quote] --> RV10-List message posted by: "bob88" <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)>
Does anyone have strong opinion pro or con regarding aileron trim for RV10 (in addition to autopilot)?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=398310#398310
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arget="_blank">http://www.matronics.com/Navigator?RV10-List
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http://forums.matronics.com
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le, List Admin.
="_blank">http://www.matronics.com/contribution
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[b]
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bob88
Joined: 24 Feb 2013
Posts: 99
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| Posted: Wed Dec 04, 2013 4:42 pm Post subject: Re: RV 10 Aileron Trim |
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Does the Garmin GSA 28 servo replace the Ray Allen trim system that Vans sells?
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Bob Turner
Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA
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| Posted: Wed Dec 04, 2013 5:20 pm Post subject: Re: RV 10 Aileron Trim |
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Not a strong opinion, but I don't have roll trim, and it's not high on my upgrade list. Maybe that's because I flew for 20 years behind a 182 that we just couldn't seem to get trimmed in roll, so I don't know any better! I do change tanks every 30 minutes to keep the imbalance to a minimum.
I do not have a speed control on my "top hat" switch, it runs full speed. I do not use it at cruise; instead, I use the trim function on the Trio autopilot (this works even when the servos are disengaged) which is programable to your taste and is speed sensitive. I have it set up to make very fine adjustments at cruise speeds.
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Bob Turner
RV-10 QB |
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larkrv10(at)gmail.com
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| Posted: Wed Dec 04, 2013 6:43 pm Post subject: RV 10 Aileron Trim |
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Bob, no. You still need a trim servo of some sort. I'm just about to wire up my GSA 28 roll servo with the Ray Allen trim servo. It's all laid out in the G3X install manual if you want some light reading 
Rick
#40956
Southampton, Ont
On Wed, Dec 4, 2013 at 7:42 PM, bob88 <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)> wrote:
[quote]--> RV10-List message posted by: "bob88" <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)>
Does the Garmin GSA 28 servo replace the Ray Allen trim system that Vans sells?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=414867#414867
===========
="_blank">www.aeroelectric.com
ooks.com" target="_blank">www.buildersbooks.com
et="_blank">www.homebuilthelp.com
et="_blank">www.mypilotstore.com
"_blank">www.mrrace.com
="_blank">http://www.matronics.com/contribution
le, List Admin.
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arget="_blank">http://www.matronics.com/Navigator?RV10-List
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[b]
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john(at)trollingers.com
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| Posted: Thu Dec 05, 2013 4:12 am Post subject: RV 10 Aileron Trim |
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No, the garmin servo is for the autopilot, it can however control the trim servo for you to autotrim. It also controls the trim speed I believe.
On Wed, Dec 4, 2013 at 7:42 PM, bob88 <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)> wrote:
[quote] --> RV10-List message posted by: "bob88" <marty.crooks(at)comcast.net (marty.crooks(at)comcast.net)>
Does the Garmin GSA 28 servo replace the Ray Allen trim system that Vans sells?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=414867#414867
===========
="_blank">www.aeroelectric.com
ooks.com" target="_blank">www.buildersbooks.com
et="_blank">www.homebuilthelp.com
et="_blank">www.mypilotstore.com
"_blank">www.mrrace.com
="_blank">http://www.matronics.com/contribution
le, List Admin.
===========
arget="_blank">http://www.matronics.com/Navigator?RV10-List
===========
http://forums.matronics.com
===========
[b]
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johngoodman
Joined: 18 Sep 2006
Posts: 530
Location: GA
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| Posted: Thu Dec 05, 2013 6:54 am Post subject: Re: RV 10 Aileron Trim |
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| Quote: | | I do not have a speed control on my "top hat" switch, it runs full speed. I do not use it at cruise; instead, I use the trim function on the Trio autopilot (this works even when the servos are disengaged) which is programable to your taste and is speed sensitive. I have it set up to make very fine adjustments at cruise speeds. |
Bob,
Tell me more about this feature in the Trio - I happen to have a Trio Pro w/autotrim and am not aware of this.
John
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#40572 Phase One complete in 2011 |
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jdriggs49(at)msn.com
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| Posted: Thu Dec 05, 2013 7:49 am Post subject: RV 10 Aileron Trim |
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I would like to know also as I have the identical setup as John. Thanks!
| Quote: | Subject: RV10-List: Re: RV 10 Aileron Trim
From: johngoodman(at)earthlink.net
Date: Thu, 5 Dec 2013 06:54:33 -0800
To: rv10-list(at)matronics.com
--> RV10-List message posted by: "johngoodman" <johngoodman(at)earthlink.net>
> I do not have a speed control on my "top hat" switch, it runs full speed. I do not use it at cruise; instead, I use the trim function on the Trio autopilot (this works even when the servos are disengaged) which is programable to your taste and is speed sensitive. I have it set up to make very fine adjustments at cruise speeds.
Bob,
Tell me more about this feature in the Trio - I happen to have a Trio Pro w/autotrim and am not aware of this.
John
--------
#40572 Phase One complete and flying.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=414905#414905
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[quote][b]
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Bob Turner
Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA
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| Posted: Thu Dec 05, 2013 10:31 am Post subject: Re: Trio pitch trim |
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The set up for the Trio pitch trim is described on page 60 of the Trio manual (you can download it from their web site). In the set up, for example if you put TL=18, TH=06, LAS = 60, HAS = 170; Then the trim will run at speed 18 (almost max speed) when the airspeed is 60 or less; it will run at speed 6 (slow) at speeds of 170 knots or more; and in between it is linearly interpolated (e.g., at 115 knots it runs at speed 12).
IF YOU SET the speed to less than 4 the trim function is turned off.
To access the manual function, just boot up the autopilot, set the altitude as normal, then push the right hand (vertical) function button. The display should say "manual trim". (If it doesn't, cycle thru the vertical functions by pushing the V button). Turn the rotary knob clockwise to trim up, counterclockwise to go down.
Note: if you have multiple trim control switches (like the top hat plus the autopilot) then you need an isolation system (either a hard switch or relays) which allows the autopilot trim signal to go "straight thru". It uses pulse width modulation which is too high a frequency for a relay to follow. I built my own relay board using Digikey parts.
Personally I love this system, I don't know why Trio doesn't advertise it more. I have never been able to smoothly trim in cruise with the top hat, just because of the force I put on the stick when trying to use the top hat. I have my autopilot near the top of the stack, but easily reached with my right hand.
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RV-10 QB |
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