Barring the smallest manned airplanes, most aircraft that are pulled around by a prop have variable pitch propellers. The reason for this is simple efficiency. Internal combustion engines are most ...

At the SMM exhibition and conference in Hamburg, Germany, Wärtsilä is introducing its latest development of large Controllable Pitch (CP) Propellers, based on the previously known E-hub type. The new ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. W. Rupert Turnbull ...

The propeller component of this assembly was manufactured by Ole Flottorp in Chicago, Illinois for James B. Lund and R.D. Dwight, also of Chicago, who designed and constructed a mammoth tandem ...