How do I decipher the identification codes on a Sensenich propeller?
Here is the breakdown from the Sensenich website. You can also visit their site via the BAC Links page.
EXAMPLE…x70CM6S16-0-79y
x
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.
S16
Designates a 16/4 or 4 inch spacer (prop extension) thickness.
-0-
Designated cut-off in inches from basic diameter.
79
Pitch in inches at .75 radius station.
y
Designates design change