The Tempest will also be much more durable than an aluminum prop. If three blades are good, will four be better? To find out we ran the Revolution 4, sort of a four-blade cousin to the Tempest Plus ...

The company also offers King Air 200 aircraft owners and operators the option of an aluminum 4-blade swept propeller.

but the prop model should be one with max blade area.” Mercury offers its FourStroke 90 and 115 models with a 4.75-inch-diameter Command Thrust gear case with a low gear ratio to slow prop speed and ...

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 ...

giving captains the ability to lock the prop blades open when under sail to activate regeneration for the onboard batteries. The new Gori Hybrid is a further development of Gori's 3-Blade ...

The propellers of the world's ships and boats create a constant drone that disrupts ocean life. New propeller designs based on loops could one day quiet that drone and be more fuel efficient.

Test results of the different boat propeller designs. (Credit: rctestflight) Interestingly, the 2-blade FDM-printed propeller ended up performing the best, while the bi-blade design (with two sets ...

Credit: Dowty Jonathan Chestney, engineering leader at GE Aerospace subsidiary Dowty, speaks with Aviation Week Network about advances in aircraft propeller blade design and their impacts on ...