The three-blade aluminum Black Max is the best-selling propeller in the world. It’s standard-issue from boatbuilders paired with the MerCruiser Alpha sterndrive and outboards up to about 135 hp. The ...

A sailor hoses down the propeller on a P-3 Orion during an aircraft wash on the flight line at Naval Air Station Whidbey Island, Washington. U.S. Navy The email-bag brings questions from two ...

The Hartzell Propeller Top Prop kit, HC-I3YF-1RF/F7498-1, is available for $15,839. The kit includes a propeller, an all-composite spinner assembly, and STC documentation.

Hartzell Propellers said in a news release that its new Navigator three-blade, advanced composite scimitar propeller, has been approved for the Beechcraft Bonanza single-engine line, including ...

The Bravo Three Diesel Propeller line is now the top choice for heavier boats powered by 250hp to 350hp diesel engines and matched with Bravo Three drives. Bravo Three Diesel Propellers, featuring a ...

His wet suit undone to the waist, 21-year-old Josh Burton inspected the three-blade propeller of his 9.5-foot, one-person, man-powered submarine. Nearby, his sister sawed chunks of purple-tinged ...

HARTZELL PROPELLER received an FAA supplemental type certificate for its new Top Prop three-blade propeller conversion for the Piper PA28-236 Dakota. The 78-inch-diameter propeller replaces the ...

Hartzell Propeller has completed Supplemental Type Certificate testing to certify a three-blade propeller for the Piper Cherokee 235, on the path to FAA approval and STC issuance. The FAA ...