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Old 05-19-2013, 09:11 AM
Doug Sams's Avatar
Doug Sams Doug Sams is offline
Join Date: Mar 2005
Location: Plano, TX resident since 1998.
Posts: 3,966

Originally Posted by A Fish Named Wallyum
Uh, I cheated and used Estes-size parts. I was just trying for "close enough". Since it's basically a 2 stage Goblin, I didn't think anyone would mind.
Honestly, if anyone could tell the diff, they were cheating and using micrometers. BT-55 versus ST-13/BT-56 amounts to an almost trivial difference - 1.325" OD versus 1.34" OD.

Other than Steve Austin, I doubt many folks can see the difference with the naked eye


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