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Mylar sheet thickness

Posted: 17 Mar 2019, 10:08
by MDev
What thickness is best for use in sealing control surface gaps on 1/3 scale?

Any favoured suppliers?

M

Re: Mylar sheet thickness

Posted: 17 Mar 2019, 17:37
by MDev
Plenty of lightweight Mylar around and places to buy but no 800-1000 micron Mylar, where do you purchase yours?

M

Re: Mylar sheet thickness

Posted: 19 Mar 2019, 12:24
by MDev
I've tried the model shops here and europe, ebay sells up to 350 micron but nowhere sells .8 to 1mm thick (800 to 1000 micron) that I can find.

Any other suggestions?

M

Re: Mylar sheet thickness

Posted: 19 Mar 2019, 16:26
by MDev
Ok Cliff, Email when you have you have some.

:D

M

Re: Mylar sheet thickness

Posted: 02 Apr 2019, 22:43
by catwok
Look up Ideal Stencils on Amazon, the best thickness is 125 micron. 2m x 300 mm is about £12. It sounds very thin built when stuck on your wing with double sided tape it is stiff enough and flexible enough without straining your servo.

Re: Mylar sheet thickness

Posted: 03 Apr 2019, 08:40
by catwok
I ordered a sheet of 250 micron which is .25mm thinking it would be thin enough, but when it is attached to the wing it was putting quite a bit if strain on the servo. I now use 125 micron which is perfect. I can send you a,sample of each Cliff...

Re: Mylar sheet thickness

Posted: 03 Apr 2019, 08:45
by Chris Bowles
I have measured the film that I have been using for some time, it's 190 micron, stiff enough not to flutter when going fast ( 100 +mph) , but not putting extra strain on the flap servo when going down 80deg