12-21-2020, 08:31 PM
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Apollo Nut
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Join Date: Dec 2006
Posts: 4,927
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Quote:
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Originally Posted by jeffyjeep
There's actually a .039" (or 1 mm) difference. The calipers say the diameter of the display nozzle disk is 2.627" and the ID of the rear cavity is 2.666".
The insertion-limiting BT allows the display nozzle unit to go in to the rear cavity until it's recessed just flush. Even with more insertion it still wouldn't stay on it's own.
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Ok, I just checked my Centuri display unit compared to this new one. The discs of the new Estes 1b are very much too loose inside the 1b to hold the unit in place the way it should. On the Centuri 1b it is a good friction fit and the display unit stays in just fine.
So yeah, either cut some new rings (a pain) or do the adds you did to get it to properly hold in there once inserted.
Earl
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Earl L. Cagle, Jr.
NAR# 29523
TRA# 962
SAM# 73
Owner/Producer
Point 39 Productions
Rocket-Brained Since 1970
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