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HomeAircraftHelicopterMain Discussion › got a fiber glass canopy thats warped can it be fixed?
01-12-2009 08:04 PM  9 years agoPost 1
FenderBean

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Fort Hood TX

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I was thinking about applying some heat see if I could fix it. it was warped from being in its orig box, go figure.
Its an align 450 canopy

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01-12-2009 08:09 PM  9 years agoPost 2
TaleGunner

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Deer Park WA

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I used a heat gun and got mine close but it has always been tweeked a little

CRASH! GLUE! REPEAT!
Spectra-G, Ion X-2

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01-12-2009 08:37 PM  9 years agoPost 3
cudaboy_71

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sacramento, ca, u.s.

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make up a big pot of boiling water...enough to submerge the canopy.

then, using a pair of tongs or other instrument to prevent you boiling yourself, submerge the canopy for 10-30 seconds (check every 10 seconds for pliability) but being careful not to let the canopy touch the bottom or sides of the pot.

after soft, remove it from the water and shake off the excess water. then stuff a sufficiently wide/narrow roll of paper towels into the canopy so it will hold its new shape it until it cools off.

once it's cool you're done. test fit on your airframe to make sure it clears the main gear, servo horns, etc.

if it still doesnt fit, repeat the boiling, using different objects to hold the canopy open. you might even consider pressing another good canopy inside the hot, bad one to hold the form while cooling.

a local batch of trex 500s came off the boat with deformed canopies. i personally did 2 using only a roll of paper towels to hold shape during cooling. and a couple of other flying buddy's did the same with perfect results. as long as the paint's not cracked you'll see no evidence of reshaping with this method.

if it ain't broke, break it.

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01-13-2009 02:33 AM  9 years agoPost 4
marc8090

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Long Island, N.Y.

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I have used a heat gun and pressure in the direction needed holding it that way until it cools with great success. The boiling water sounds interesting though as well, might heat things more evenly. With a heat gun, be careful not to get the canopy too hot. Press evenly with something, not finger tips unless you want lots of bumps in the canopy.

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01-13-2009 04:29 AM  9 years agoPost 5
Farrell

rrApprentice

Huntington Beach, CA

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I've used a heat gun to unwarp cowls and canopies many times. Set the gun to high, keep the direction changing, and hold the object from the outside, flexing it in the direction needed to unwarp it, going a little past "corrected." Never had a problem, no fingerprints or depressions where I held it.

It's almost trivial. Repeat the process as needed, letting the object cool to ambient between attempts if you're fingers get too hot.

-Farrell

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01-13-2009 02:23 PM  9 years agoPost 6
Pistol Pete

rrProfessor

Seffner, FL

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^ +1

just dont use gloves as they will not let you feel how hot your canopy is getting.

~~Enjoying the hobby one flight at a time~~

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01-13-2009 03:24 PM  9 years agoPost 7
flyingquisinart

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Detroit Area

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what about FG blades
I know I'm hijacking..but..

Does anyone think FG blades (325's) can be straightened out with heat? I bought a pair of cheapos from Helidirect months ago that are warped. I never bothered to send them back, just bought woodies from my LHS.

must have been a downdraft

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01-13-2009 03:34 PM  9 years agoPost 8
tj1

rrApprentice

ireland

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i got one of Arizona helis and it came with instructions..if it was warped for transit just run it under the hot water tap and it will find its original shape

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01-13-2009 06:42 PM  9 years agoPost 9
FenderBean

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Fort Hood TX

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cool thanks

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01-13-2009 11:37 PM  9 years agoPost 10
Swoop

rrElite Veteran

Newark, DE USA

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A somewhat easier but more time consuming solution is to call Assurance RC. I had the exact same problem with my original Trex450se canopy and they sent me a brand new one.

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