"The New Jersey troops crossing the Chesapeake Bay, in sixteen propellers, on their way to Washington,…
"The chamber (curvature) of the blades should be (1) equal, (2) decrease evenly towards the tips of…
The illustration of an aeroplane, or airplane, propeller being balanced by using surface area testing.…
An illustration of weighing the propeller of the aeroplane to ensure it is balanced with the opposite…
A propeller is a type of fan which transmits power by converting rotational motion into thrust. A pressure…
An apparatus which, being fitted to ships and driven by steam, propels them through the water.