VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Model Specific > RV-14
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 03-17-2017, 09:24 PM
coffeeguy coffeeguy is offline
 
Join Date: Jul 2015
Location: Lake in the Hills, IL
Posts: 86
Default countersinking elevator trim cover plate

The directions for the E-01402 elevator trim cover plate say to machine countersink the #040 holes. The material is not really thick enough. I tried to countersink it, but it came out horribly. Elongated holes. I belatedly realized that I should have used another piece of material behind it to keep it centered. Even so, the rivets sit a little proud of the plate. It seems to me that these holes could be dimpled, as well as the E-01409-L & -R Servo Support C-Channels. Has anyone dimpled these holes and the C-channels?
__________________
Jeff Dingbaum
RV-14A empennage, wings
Cherokee 180
2017 dues paid
Reply With Quote
  #2  
Old 03-18-2017, 07:28 PM
asw20c asw20c is offline
 
Join Date: Jun 2010
Location: Edgewood, NM
Posts: 87
Default

I did my empennage at Synergy Air, and while I was working something else, one of their folks assembled these parts as you suggested by dimpling instead of countersinking. I didn't think anything of it until a few months later when my parts were delivered to my home and I realized that by dimpling it distorted the parts just enough that the cover plate will not sit flush when the trim motor is installed no matter how tightly the screws are torqued. Others may have different experiences but that is what happened with mine. Not sure which is worse after your description. I have new parts to rebuild this assembly but have not put them together yet.
__________________
Empennage Complete Except for Tips
Wings Underway
Reply With Quote
  #3  
Old 03-18-2017, 08:03 PM
PilotjohnS PilotjohnS is offline
 
Join Date: Jan 2016
Location: Los Angeles
Posts: 348
Default RV14 same as RV9?

Not sure if the 14 is same as my 9, but my trim plate doesnt sit flush either. The reason is because the trim plate is thicker than the skin. I almost put a shim plate between the skin and the flange plate, but didnt discover this until after everything was dimpled and figured i could never get the holes/dimples lined up in the shim plate so i gave up.
__________________
Thank you
John S

WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for thier use.

Extra dues paid 2017, worth every penny

RV9A- Status: tail feathers done less tips
Wings 50%
www.pilotjohnsrv9.blogspot.com
Reply With Quote
  #4  
Old 03-19-2017, 10:15 PM
Tmartin66 Tmartin66 is offline
 
Join Date: Jun 2016
Location: Washington,Oklahoma
Posts: 18
Default

I used my deburring tool to countersink the 6 holes. Just remove material a little at a time and check depth with a rivet often until you get it where you want it.
__________________
T. Martin
E-10C Retired
Dues paid 2017
Reply With Quote
  #5  
Old 03-20-2017, 08:20 PM
coffeeguy coffeeguy is offline
 
Join Date: Jul 2015
Location: Lake in the Hills, IL
Posts: 86
Default

Thanks for the suggestion for using a deburring tool.

And the cover does appear thicker, haven't mic'd it, so it would be raised. I was referring to the AN3 rivets that stood a little proud of the plate.
__________________
Jeff Dingbaum
RV-14A empennage, wings
Cherokee 180
2017 dues paid
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 07:08 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.