Many fans of vintage aircraft like the squared-off tail and “fastback” fuselage shape of the Cessna 172 Skyhawk. ... The aircraft’s Sensenich propeller has 134 hours since overhaul.

This 1964 Skyhawk has 2,250 hours on the airframe and 400 hours on its Lycoming O-360 engine, which was part of an Air Plains conversion, and on its Sensenich fixed-pitch propeller.

Sensenich didn’t begin producing metal propellers until the late 1940s. Metal props initially had a performance advantage over wood—because metal is so strong, metal props can be made thinner ...

HARTZELL, MCCAULEY and SENSENICH propellers [Docket No. 2003-NE-53-AD; Amendment 39-14188; AD 2005-14-11] - requires maintenance actions amounting to an overhaul of the affected propellers.

Sensenich's propellers all start off as rough-cut yellow birch planks from New England tree farms. These planks are all one-inch thick (about 2.5 cm) and come in random width and lengths.

Changing pitch on any Sensenich ground adjustable propeller takes literally less time than it takes to remove the spinner. As light and smooth-running as wood, and as tough as metal, the Sensenich RV ...