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  #1  
Old 06-01-2021, 03:41 PM
Geeman Geeman is offline
 
Join Date: Apr 2010
Location: Houston TX KDWH
Posts: 388
Default Removing Tip Up Canopy RV-7 to fix canopy leak

I am wanting to remove my canopy to work on the weather stripping and reduce the water leaks. I don't have the jettison handle. Looks like a number 4 bolt going through the holes. My question, how hard is it to get the bolts back in. Is the canopy likely to flex. Looks like there is a bushing that very likely will fall out. It is not very easy to get to. Looking for any pointers.
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Last edited by Geeman : 06-08-2021 at 03:57 PM. Reason: Cuz
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  #2  
Old 06-02-2021, 07:36 AM
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Snowflake Snowflake is offline
 
Join Date: Oct 2009
Location: Sidney, BC, Canada
Posts: 4,236
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Since the builder screwed you by not installing the jettison handle (which as you can see has other uses), the best suggestion would be to work on the weather stripping with the canopy in-place. If you do remove it, while it's off, investigate how hard it would be to install the handle... For next time.

I have replaced the entire perimeter of weather stripping without removing the canopy on my -6 tip-up. I do have the handle and have removed the canopy when I needed to repair a crack in the frame due to a bad factory weld.
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  #3  
Old 06-02-2021, 07:45 AM
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Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 6,278
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I removed the jettison handle on my 7 with no regrets, never plan on bailing out anyway and don't wear a chute.
I've had the canopy off maybe 3-4 times in 15 yrs, a nice center stack is more important
I used bolts also, not super easy to get too but certainly doable even for an old guy like me!
Make some bullets to help line things up when re-installing and 2 or 3 helpers are a must. No bushings to fall out.
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  #4  
Old 06-02-2021, 10:18 AM
danny danny is offline
 
Join Date: Jul 2005
Location: puyallup, wa
Posts: 144
Default access to tip-up bolts

If you're painted this may seem like a bad idea but I installed the access panel kit from vans and now I can easily get to the bolts on the canopy hinges and most every thing else on the back side (front?) of my panel.
It was about $25 I pulled my radios when I did it so as not to get aluminum flakes in the deep dark places of the panel.
danny
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  #5  
Old 06-02-2021, 12:11 PM
thinkn9a thinkn9a is offline
 
Join Date: Nov 2007
Location: Mississippi
Posts: 306
Default Couple questions on details

So,... barring use of magic,... it would appear that there must be someone in the aircraft to pull the pins,....

What is arrangement/ best condition for pulling pins? Thinking closed (not locked) with struts off?

Is that person just there for the show after pulling the pins,... or can they get out and help lift it,... I.e tilt up canopy enough to get out ( with or without the gas struts)

Is there a way you can ďblock upĒ canopy,... I.e. vertically raise and block essentially in place,..(yet let the person out) so you can get access to the front side for fiddling with alignment, weather stripping, etc?,... or once loose it needs to come completely off?

Anyone lift it off with some kind of spreader bar lift? Iím guessing not,... too critical, unwieldy... and easier to find folks than rig something.

And what else did I fail to ask about?
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  #6  
Old 06-02-2021, 12:55 PM
Geeman Geeman is offline
 
Join Date: Apr 2010
Location: Houston TX KDWH
Posts: 388
Default Risk vs reward

Yeah, I donít feel all that screwed with no jettison handle, I also donít wear a chute. Kind of useless without a chute. I was hoping to get some pointers from someone who has removed the canopy and what to look out for and maybe a proven method. I am sure it can be done, but looking for the risk vs reward. Can I do the work with it on...yes. Would it be easier with it off...yes.
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  #7  
Old 06-02-2021, 01:01 PM
BruceW BruceW is offline
 
Join Date: Aug 2005
Location: Elk Grove, CA
Posts: 171
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Pulling tip up is easy. Pull pins, giggle arms up and back, then move forward over cowling. (too large and floppy to move off to side over wing)

Installation is the real pain, lining up the arms for pinning in particular.
With bolts, will need two or three people. One under the panel to place the bolts, and probably two to hold the canopy and wiggle the arms into place. (the pain part)

May want to consider some temp pins with tapered ends to get things lined up, then knock out with final bolts. (if there is enough room to the side)
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  #8  
Old 06-02-2021, 05:32 PM
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bruceh bruceh is offline
 
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Location: Ramona, CA
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Be sure to make some alignment marks on the hinges and subpanel prior to removal. This will help you find the right location to reinstall.
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  #9  
Old 06-08-2021, 03:36 PM
Geeman Geeman is offline
 
Join Date: Apr 2010
Location: Houston TX KDWH
Posts: 388
Default Moved canopy back solo and hopefully fixed canopy leak for good.

I was able to pull the hinge bolts and move the canopy back without any help. Moving blankets close to the canopy CG did the trick. I spanned the gap across the hinges with a piece of aluminum and then added a piece on top so that it was flush with existing. This made the gasket continuous. I also siliconed the corner.

To get canopy back in I moved it on each side like 1/8” at a time and could grab the side and wiggle it to get the bolts back in. I have the access panels. Probably been next to impossible to do it solo without them.
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Kyle Gee
Purchased and sold flying RV-6
RV-7 Kit (sold to purchase C150 to train my kids)
Purchased flying RV-7

Last edited by Geeman : 06-08-2021 at 03:44 PM. Reason: Cuz
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  #10  
Old 06-08-2021, 06:03 PM
Norman CYYJ Norman CYYJ is offline
 
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Location: Victoria B.C.
Posts: 1,436
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It is not that big of a job. Two makes it easier but it is very doable with one person. I have taken mine on and off several times with no help. Putting back together thing usually line up pretty good. Removing and putting back you will be standing on the seats.
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