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The world's first Supersonic Spin Pit!

another "first" for the makers of Aeroprops!

Now, for the first time, propellers can be studied while spinning at supersonic speeds. Every action and reaction of new propeller designs can be watched under conditions that stimulate every detail of flight.

This supersonic spin pit, developed Navy and Air Force contracts, is in itself a radical advance in research and testing technique. And, coupled with the full facilities of General Motors, it will help increase the leadership Aeroproducts now enjoys in the field of turboprop power- the field of supersonic speed.

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The Douglas XA2D with dual rotation Aeroprops is one of several Navy and Air Force planes of near-sonic speed which prove in flight the efficiency of Aeroprop design.

GM General Motors
Aeroproducts division 
General Motors Corporation
Dayton, Ohio

Building for today designing for tomorrow [[image]]

Aeroproducts

34            Official Program and LOG