Which propeller 172E w/0300

Gale york

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Gale
I’m looking for information on prop pitch for 0-300 172. New to this plane, and trying to know
more. My prop is 76x53....Climb or cruise? Thanks
 
For a 172E landplane, you're stuck with this prop unless you have an STC that allows something else:

1. Propeller Propeller Limits (a) McCauley 1C172/EM 7652, 53
Static rpm at maximum permissible throttle setting: Not over 2420, not under 2230
No additional tolerance permitted
Diameter: not over 76 in., not under 74.5 in.


So you can have a 1C172/EM 76x52 or 76x53 inch pitch, and that's it. 53 would appear to be a cruise prop.

From https://rgl.faa.gov/Regulatory_and_...0c4d09e58625845e004c18b1/$FILE/3A12_Rev85.pdf
 
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