[AR] Re: Phenolic regression rate
- From: Uwe Klein <uwe@xxxxxxxxxxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Fri, 02 Feb 2018 11:15:58 +0100
Am 02.02.2018 um 00:04 schrieb Mark C Spiegl:
>> in practice-any significant heat leak at the joint between BATES grains.
Agreed:
After casting the bates grains, I would put the whole propellant stack
under compression inside the casing, avoiding the need for separate
tubes for liner and casting.
There is an interesting parallel in elastic bushing manufacture.
>
http://www.eganasl.com/uploads/articulosweb/foto_629_.jpg
After the void between inner and outer shell has been filled
and vulcanized with some elastomer the outer shell is deformed
to a slightly smaller diameter.
For the bushings: to keep the rubber in shear and not a
"peel off" loading.
Uwe
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