Sensenich Aluminum Propeller Model Designation System
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EXAMPLE..._70CM6S16-0-79_
_
Special letter prefix to identify accessories or composition of propeller. Current letters include 'S' for STC package and 'W' for wooden propeller.
70
Basic diameter in inches
C
Designates Blade Design
M6
Designates hub configuration..."M6" for installation on SAE No.2 (Ref. AS 127) flanged shaft with 6/16 (3/8) dia. bolts. "M7"...for installation on SAE No. 2 (Ref. AS 127) flanged shaft with 7/16 dia. bolts. MORE hub details.
S16
Designates a 16/4 or 4 inch spacer (extension) thickness.