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Old 08-30-2019, 02:57 AM   #9
Join Date: Aug 2019
Location: West Yorkshire UK
Posts: 19

Originally Posted by sanger22 View Post
The center hole diameter is 2 inches. The hub thickness is 5 3/8 inches. The hub diameter is 8 1/16. The bolt hole diameter is 3/8 of an inch although difficult to accurately measure. The distance from The middle of opposite bolt holes is 6 1/2 inches.
I canít find a definitive dimension for the hub bolt circle of the 3 cylinder Anzani engine but I have found a drawing which shows the distance between the upper pair of crankcase bolts as 140mm, i.e. a little over 5 1/2 inches. The distance between opposite hub bolt centres is clearly smaller than this, which would appear to rule out my suggestion that this engine may have been the application for this propeller.
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