RCU Forums - thread size on .52 4s

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- - thread size on .52 4s (https://www.rcuniverse.com/forum/o-s-engines-support-133/1476172-thread-size-52-4s.html)

privatepilot

01-28-2004 04:38 PM

thread size on .52 4s

I need to know what the thread diameter and pitch is on the exhaust port for a .52 4 stroke. Any ideas?
thanks

Bax	01-29-2004 11:32 AM

RE: thread size on .52 4s

The O.S. Max FS-52 Surpass exhaust pipe has a 10mm O.D. with a 0.75 thread pitch. It's a parallel thread, not a pipe thread.

privatepilot

01-29-2004 12:03 PM

RE: thread size on .52 4s

excellent. thanks for the reply bax!

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