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  #1  
Old 07-09-2022, 07:33 PM
SportAvServ SportAvServ is offline
 
Join Date: Jul 2006
Location: Ione, California
Posts: 266
Default RV-4 Fastback

Do you guys that built a fastback, did you use a stock Van's canopy?
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  #2  
Old 07-09-2022, 08:25 PM
Carr Carr is offline
 
Join Date: Jan 2005
Location: Langley BC
Posts: 107
Default Fast Back Canopy

Nope

Did it twice and used a rocket type from Airplane Plastics both times.

They are great to deal with.

Carr
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  #3  
Old 07-10-2022, 05:23 AM
Larry DeCamp Larry DeCamp is offline
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 1,259
Default + 1 for Jeff at Airplane plastics

He even did a stress relief for me on a wood form I made to eliminate any bending.

Suggestion: For your tailcone skin, think about using an epoxy putty to fill the gap between formers and skin before riveting. Then rivet when solid. This makes a very nice tail cone skin with no low spots. Consult David Paule or HFS for details. Send me your email for pics if desired , decamplarry@gmail.com
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Larry DeCamp
RV3B sold
RV-4 fastback in process w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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  #4  
Old 07-10-2022, 07:21 AM
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acam37 acam37 is offline
 
Join Date: Aug 2012
Location: Lufkin Tx
Posts: 802
Default

The canopy frame will need to be rebuilt to fit the turtle-deck and new canopy. Make sure you find a good tig welder to do this.
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Arlie Conner (A&P)
RV-4 (N124TT) Sold
RV-8 (N269CP) Sold
RV-4 (N684ML) completed 3-17-19
KOCH Nacogdoches
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  #5  
Old 07-10-2022, 09:02 AM
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AX-O AX-O is offline
 
Join Date: Jun 2005
Location: West Coast
Posts: 2,581
Default

Rocket canopy.
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Axel
RV-4 fastback thread and Pics
Instagram @ LetMeFlyIt
VAF 2022 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weigh out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk. Further more, these are my opinions and not those of Van's Aircraft.
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  #6  
Old 07-10-2022, 04:01 PM
SportAvServ SportAvServ is offline
 
Join Date: Jul 2006
Location: Ione, California
Posts: 266
Default

Thanks everyone, I will look at all options,, and keep you posted
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  #7  
Old 07-11-2022, 08:12 AM
flyinggreg1 flyinggreg1 is offline
 
Join Date: Sep 2018
Location: Hortonville
Posts: 13
Default Fastback from existing.

I did use the existing canopy frame and and bubble. Had to make new bulkheads, redo the canopy frame and was very fun project to do. I have bulkhead patterns I could share if you want.
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  #8  
Old 07-13-2022, 09:19 AM
t0rin0 t0rin0 is offline
 
Join Date: Apr 2021
Location: riverside
Posts: 2
Default

I still have a ways to go before I start on mine (just a few more house projects to finish, I swear) but Airplane Plastics has them ready to go. They even offered to stretch it a couple inches at the front so I could move the panel. Same price as the regular canopy too. Will definitely be contacting them when I get to my fuselage.
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  #9  
Old 07-13-2022, 05:08 PM
RhinoDrvr RhinoDrvr is offline
 
Join Date: Jun 2014
Location: Lemoore (Fresno), CA
Posts: 213
Default

Quote:
Originally Posted by Larry DeCamp View Post
He even did a stress relief for me on a wood form I made to eliminate any bending.

Suggestion: For your tailcone skin, think about using an epoxy putty to fill the gap between formers and skin before riveting. Then rivet when solid. This makes a very nice tail cone skin with no low spots. Consult David Paule or HFS for details. Send me your email for pics if desired , decamplarry@gmail.com
What was involved in stress relieving a finished canopy, and can it be done after paint?
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Evan Levesque
RV-8 N88MJ (Built by Michael Robbins)
Lemoore, CA
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  #10  
Old 07-13-2022, 06:40 PM
Larry DeCamp Larry DeCamp is offline
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 1,259
Default Stress relief

The basic bubble was overblown where it joined the rear seat bulkhead shape. This is a natural outcome of the drawing process. So I made a wooden form to match the aluminum tailcone at the rear seat bulkhead and clamped the plex to conform. Then Jeff put it in the oven and the plex relaxed and conformed when cool. Jeff knows this stuff. Just work with him.
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Larry DeCamp
RV3B sold
RV-4 fastback in process w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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