billdz
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- Feb 10, 2017
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At Saturday's launch, I had rail buttons break on two different rockets. One was a standard round button, the local vendor was able to sell me a new one and help me install it, after some debate about the proper way to mount it (see below). The second was airfoil-shaped, the vendor did not have any so the launch was scratched. There must be a more durable version of these things, I've had at least 4 break since I got back into rocketry in February. Anyhow, a couple of questions:
1) Do you put some epoxy or CA in the hole to secure the button, or is the screw enough? (Does the answer differ if the airframe is fiberglass or cardboard?)
2) On the round buttons, should the button be loose so it can spin, or should it be tightened down?
3) Are the round buttons compatible with the airfoil-shaped? (It was suggested I could replace the broken airfoil with a round button.)
4) Any advice for mounting buttons in a manner that will last?
Thanks,
Bill
1) Do you put some epoxy or CA in the hole to secure the button, or is the screw enough? (Does the answer differ if the airframe is fiberglass or cardboard?)
2) On the round buttons, should the button be loose so it can spin, or should it be tightened down?
3) Are the round buttons compatible with the airfoil-shaped? (It was suggested I could replace the broken airfoil with a round button.)
4) Any advice for mounting buttons in a manner that will last?
Thanks,
Bill