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  #1  
Old 01-19-2021, 04:23 AM
rv8or rv8or is offline
 
Join Date: Oct 2007
Location: Norwich England
Posts: 161
Default Pitch Servo

Question
Anyone changed the pitch servo on an RV8 from a Trutrak to a Garmin GSA28, what differences in mounting from the original Trutrak mount.

Thanks in advance
Rob
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  #2  
Old 01-20-2021, 06:22 PM
ntspdy ntspdy is offline
 
Join Date: Sep 2020
Location: Phoenix, AZ
Posts: 3
Default

I may be in the same situation as you here soon. Hope someone with experience chimes in.
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  #3  
Old 01-20-2021, 07:37 PM
EXTAAFLY EXTAAFLY is offline
 
Join Date: May 2005
Location: Fresno to Bakersfield
Posts: 100
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Yep. Removed all of the tru trak mounting hardware and installed the GSA Mounting kit from Garmin. However, according to a rather popular panel builder that advertises on this website. The bolt patterns for the servos themselves are identical.

The shop that did the work on my airplane was not particularly impressed with the original install. They opted to replace.

Here is the after. My apologies, I do not seem to have any before images.

Hope this helps.
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Jason
ATP - CFII/MEI
RV8 - Adoption Complete / Beautification in Progress
RV14A Build/Kit - SOLD

12/28/20 Donated
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  #4  
Old 01-20-2021, 11:32 PM
PCHunt PCHunt is offline
 
Join Date: Feb 2007
Location: San Diego, CA
Posts: 1,713
Default

Looking at the forward bolt on the link coming from the servo, it appears that there are quite a few threads showing. Just need to make sure that the nut isn't "bottomed out" on the bolt shoulder.
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Pete Hunt, [San Diego] VAF #1069
RV-6, RV-6A, T-6G
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  #5  
Old 01-21-2021, 07:21 AM
Terry Lutz Terry Lutz is offline
 
Join Date: Dec 2005
Posts: 189
Default Shop Info

Could you pass along the name of the shop who did the work? I have some questions about the mechanical part of the install. Thanks!
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RV-8 "Sweet Nancy Lynn"
www.notesfromcapejuby.com
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  #6  
Old 01-21-2021, 07:22 AM
bjdecker's Avatar
bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
Posts: 497
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Quote:
Originally Posted by PCHunt View Post
Looking at the forward bolt on the link coming from the servo, it appears that there are quite a few threads showing. Just need to make sure that the nut isn't "bottomed out" on the bolt shoulder.
That bolt is too long. The extra AN960 washer hides that fact somewhat...
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Brian Decker
Retired Firmware Guy and Airplane Builder

2020 RV-14 QB -- Under construction - Tailcone & Empennage Complete.
2018 RV-7 QB -- Built, Flying
2007 RV-7 QB -- Built, Drowned, Resurrected and flying
1998 RV-8 QB -- Started, Sold
1986 Mooney 205SE
1980 Mooney 231

Aided and abetted building a number of other RV's.
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  #7  
Old 01-21-2021, 08:02 AM
EXTAAFLY EXTAAFLY is offline
 
Join Date: May 2005
Location: Fresno to Bakersfield
Posts: 100
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Quote:
Originally Posted by Terry Lutz View Post
Could you pass along the name of the shop who did the work? I have some questions about the mechanical part of the install. Thanks!
Terry, I will PM you and we can discuss further. If I am unable to answer your questions, I can contact the shop for you. I was involved near daily with the install.

After consulting a few in the know, including the installer (A&P/IA), and another builder. They seem to think it's okay. It could, probably should, and likely will be changed, but is not really a major issue.

I'll check the bolt when I get the airplane back from it's current work card. These pictures are from early in the process, thus absence of wiring. It may have already been reconciled as it was not noticed by the A&P/IA Builder that just completed the Condition Inspection.

I think the pictures are a bit mis leading. Likely that was the original bolt from the Tru Trak install. Thank you for pointing it out. Back to answering for the OP.
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Jason
ATP - CFII/MEI
RV8 - Adoption Complete / Beautification in Progress
RV14A Build/Kit - SOLD

12/28/20 Donated

Last edited by EXTAAFLY : 01-21-2021 at 11:15 AM. Reason: Too much caffeine, too early.
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