29mm Aft closure size

Eric

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I picked up another Aerotech 29mm aft closure. But the new gold one has a way larger nozzle hole. The black closure seats against the nozzle and the o-ring. And the new gold one will only push on the o-ring. Is this normal and both work the same?
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Maxitout

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They both work the same. The larger opening is for the 29/360 case, those motors use a slightly larger nozzle than the other motors. You can use the larger closure for the smaller nozzles, no problem.

Phil L.
 

jd2cylman

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If it bothers you, I have a small bore one that I'd trade you for... I have a 29/360 case that needs a larger bore aft closure. Yes it is gold, too.
 
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