Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...

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 ...

Controllable-pitch propellers have been developed and produced on the Baltic coast of Germany since 1962 – initially in Rostock, and then in Wismar from 1964. The first units were manufactured for 86 ...

I've mentioned a couple of times lately that an airplane with a control-lable-pitch propeller will glide farther with the propeller in coarse pitch than in fine pitch. These terms coarse and fine aren ...

Cirrus SR20 and SR22 aircraft feature a combined "power lever" that integrates both throttle and propeller controls to simplify operation and reduce pilot workload. This mechanical system uses a cam ...

Click to open image viewer. The Wright brothers designed and constructed the world's first practical fixed-pitch propeller and developed the aerodynamic theory to calculate its performance during the ...