[roc-chat] Re: Adhesive - Temperature - Rocket Needed
- From: Terry Burnett <wtb123@xxxxxxxxxxx>
- To: <roc-chat@xxxxxxxxxxxxx>
- Date: Tue, 5 Jun 2012 15:01:27 +0000
I will be happy to help out. I am flying a 4''Diameter -82.5'' Tall with a 54MM
Mount and a 38MM Adapter. Will have a Cesaroni 2 grain motor for a level 1cert
(Hopefully)
Let me know
Terry Burnett
From: kramer@xxxxxxxxxxxx
To: roc-chat@xxxxxxxxxxxxx
Subject: [roc-chat] Adhesive - Temperature - Rocket Needed
Date: Tue, 5 Jun 2012 06:15:38 -0700
I'm asked a lot about what adhesives to use for attaching fins. Most people
want to use a high temperature adhesive due to heat transfer from the motor.
This can lead to other problems since most higher temp adhesives have lower
toughness and peel strength. When I ask how hot do they think it will get, no
one is quite sure.
I want to run an experiment, I have some temperature indicating stickers, we
use these at work and they are pretty accurate. I plan to bring some up with
me to the lake bed that will show temperatures at 100,150,200,250 degree F.
I'm looking for someone with a bigger project where I can put one of the
stickers on the motor case, and one on the body next to a fin to see what the
real temperatures are. The motor case and the body tube should 'bracket the
problem'.
I have enough stickers to do 3-4 rockets.
Anyone volunteer their rocket for the test?
Predictions?
Mike Kramer
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