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29mm Flying Case
#2
The biggest problem with welding the fins directly to the casing is that you lose the temper of the aluminum in the heat effected zone. If you're using 6061-T6, the weld and the area around the weld become 6061-T0. That'll drop the ultimate tensile strength of the aluminum from 45,000 psi to 18,000 psi. I've actually seen this cato some pretty large motors. If you know the motor pressure you can work around this strength loss with a really wide margin (I've considered it, but it's not worth the mass increase. I'd just JB weld some fins right to the case.

Alex
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Messages In This Thread
29mm Flying Case - by T34zac - 01-15-2016, 05:46 PM
RE: 29mm Flying Case - by Aksrockets - 01-17-2016, 07:32 PM
RE: 29mm Flying Case - by T34zac - 01-18-2016, 10:51 PM
RE: 29mm Flying Case - by Bat-mite - 01-18-2016, 11:30 AM

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