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Old 07-14-2019, 10:34 AM
Chas Russell's Avatar
Chas Russell Chas Russell is offline
Retired Missile Technician
 
Join Date: Mar 2005
Location: Fort Worth, TX
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http://www.spacemodeling.org/jimz/km-6.htm

Looks like the smaller tube is 2.5" and the main tube is 6.0" of ST-5 tubing.

C
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Charles Russell, MSgt,USAF (ret.)
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SAM "Balls Three"
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