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  #1  
Old 11-17-2017, 10:22 AM
Bill Boyd's Avatar
Bill Boyd Bill Boyd is offline
 
Join Date: Sep 2006
Location: Landing field "12VA"
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Default DYNON yaw damper and pitch servo hardware questions

It is apparent that Dynon has changed their recommended servo configuration for elevator control at some point from a SV-42 "legacy" servo to a SV-42T torque-enhancing linear actuator servo, and in the bargain has changed the necessary mounting bracket from a Van's-identical part, F-14184, to a custom OEM bracket available only from Dynon for $75 as part of a mounting kit.

Installation of the yaw damper kit from Vans interacts with the pitch servo installation, hence the question for me at this time about the proper part to acquire for pitch servo accommodation. This in turn depends on the Dynon pitch servo selected...

Has anyone experienced sub-standard performance with the non-enhanced SV-42 servo for RV-10 pitch service?

Has anyone successfully adapted a F-14184 pitch servo mounting bracket for use with the newer Dynon SV-42T linear actuator servo?

Would like to hear any firsthand experience from the field..
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Bill Boyd

Hop-Along Aerodrome (12VA)
RV-6A - N30YD - flying since '98
RV-10 - N130YD reserved - under construction

donating monthly to the VAF - thanks, Doug
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  #2  
Old 11-17-2017, 03:29 PM
woxofswa woxofswa is offline
 
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Location: Mesa Arizona
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I have the linear pitch servo and the Dynon yaw damp kit on my RV10. It is installed with the RV14 Y/D kit from Vans.
The only issue is a very slight difference in the span between the aft mount holes requiring the slight elongation of the port side hole to match up. Otherwise, everything mates up and works great.
I can text you pix.
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Mesa, AZ
N24EV
RV-10 BPE, Dynon, Airflow systems A/C
First flight May 10, 2014
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Old 11-17-2017, 03:46 PM
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1001001 1001001 is offline
 
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Quote:
Originally Posted by woxofswa View Post
I have the linear pitch servo and the Dynon yaw damp kit on my RV10. It is installed with the RV14 Y/D kit from Vans.
The only issue is a very slight difference in the span between the aft mount holes requiring the slight elongation of the port side hole to match up. Otherwise, everything mates up and works great.
I can text you pix.
I would be interested in seeing this too. If you can send the pictures to me, I can host them on my web server and link them here if you wish.
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Old 11-17-2017, 08:21 PM
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Bill Boyd Bill Boyd is offline
 
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Myron the question is whether the linear actuator-style pitch servo will fit /can be readily made to fit the Van's bracket mentioned above. And secondarily whether the linear actuator model is that much better that I should shy away from a SV-42 someone might be listing in the classifieds or something.
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Bill Boyd

Hop-Along Aerodrome (12VA)
RV-6A - N30YD - flying since '98
RV-10 - N130YD reserved - under construction

donating monthly to the VAF - thanks, Doug
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  #5  
Old 11-17-2017, 09:34 PM
woxofswa woxofswa is offline
 
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I switched from the standard to the linear before I flew so I don’t have a comparison, but the 10 is a big airplane with a wide CG range and I trust that someone knew what they were doing when they initiated the change. I don’t recall a bracket change but it was several years ago.
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Myron Nelson
Mesa, AZ
N24EV
RV-10 BPE, Dynon, Airflow systems A/C
First flight May 10, 2014

Last edited by woxofswa : 11-17-2017 at 09:38 PM.
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  #6  
Old 11-18-2017, 08:04 AM
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Bill Boyd Bill Boyd is offline
 
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I'll just order what I need from Dynon. The cost difference between their bracket and Van's maybe-possibly-bracket for the SV-42T is 0.06 AMU.

Not worth waiting for an answer from the field that may not even be known.

Carry on with regularly scheduled programming
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Bill Boyd

Hop-Along Aerodrome (12VA)
RV-6A - N30YD - flying since '98
RV-10 - N130YD reserved - under construction

donating monthly to the VAF - thanks, Doug
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