Plexiglass question

Rex R · Feb 7, 2016

I've got some odd bits of Plexiglass and got to wondering, at what temperature does it get pliable? was thinking of a 'camera window' in a payload bay sort of thing, it would be nice if one could form it to the inside of say bt-70 or larger tube. thanks
Rex

Sooner Boomer · Feb 7, 2016

I'm guessing about 325F :

https://www.plexiglas.com/export/si...neral-information-and-physical-properties.pdf

page 5

I think you're better off with a flat window. The optics of a home-bent curve are going to be terrible. (even flat, it's not that great...)

Rex R · Feb 7, 2016

oh good, I can get 325 in my oven. time to think about forms and experiment. thank you
Rex

hornet driver · Feb 7, 2016

A heat lamp will do the trick and safer than an oven ,not to mention the possible discoloration you might get. +1 On what sooner said about the optics !

CORZERO · Feb 10, 2016

Heat gun is what I use. Lay your glass on the airframe and heat until pliable then form. Then cut to size. Use a coupler inside the tube for rigidity if tube is wimpy estes stuff. .083ish thickness is light, strong, and takes little heat to form.

[video=youtube;LGwZfKqalkw]https://www.youtube.com/watch?v=LGwZfKqalkw[/video]

Let us know how you worked this out!

CZ Brat · Feb 10, 2016

You could make some cool curved fins too.

CORZERO · Mar 11, 2016

Any success with your window?

Plexiglass question

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