As best as I can recall, the propeller used on the 1967 model, 50 hp Mercury, was of a splined design. If there are splines on the engine propshaft, then no shear pin is used.
one
My Dana 35 is in a 98 ZJ with a 5.9. It has 30 splines.
answer is 30 splines
Many small aircraft have 1 propeller.
Jew Jew Jew
10
23 Splines. See the Novak NV3550 knowledge base. http://www.novak-adapt.com/knowledge/nv3550.htm
56mm diameter with 8 splines, what sizes are the spline widths
Donald E Amos has written: 'Quadrature subroutines for splines and B-splines' -- subject(s): Splines
The propeller turns many revolutions per minute and deflects air behind it .
27 same as a th350