Back and Forth on my Oscillating Whelen Rota-Beam Commander

Описание к видео Back and Forth on my Oscillating Whelen Rota-Beam Commander

The Whelen Rota-beam commander was only made for a few years. The mechanism behind the 205 degree arc has always been a mystery. This video examines the way this light is able to oscillate a full 205 degrees and reasons why it didn't catch on.

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