lighter than the current factory-installed aluminum four-blade propeller and 10 lbs. lighter than similar wood core propellers. The proprietary design improves cruise performance by 2-3 kts.

This has been made worse by a lack of test data on the E-2/C-2's current 54460 four-blade propeller to compare against and determine what is acceptable performance. "This is not a show stopper ...

A typical airboat or swamp boat can reach 110 kilometres an hour in shallow water, because it's pushed by a four-blade, 2-metre propeller mounted on a 400-kilowatt engine. About 40% of their ...

A propeller thought to be from a Second World War plane has been found buried in a peat bog, sparking an investigation. The blade had been wrapped in potato sacks, with contractor Stewart Lambie ...