Need measurement - Estes retainer

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stealth6

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Anyone have an Estes 29mm motor retainer handy they could get a measurement off of for me? I need to know the outer diameter of the screw-on cap. Millimeters would be the handiest.

Thanks in advance, s6
 
Just measured one. 1.745 to 1.750 inches, or 44.32 to 44.45 mm. A few thousands out of round. (not bad for plastic)

Mike Corbett
 
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