These pitch change motors are the most expensive parts
at $200 to $300.
Both Hoffman and MT probably use these same motors.


http://www.pittmannet.com/
http://www.globe-motors.com/

Here is a drawing of an MT. The simple, by comparison, ACRE NL design evolved 
over a period of five years with much input and ideas from the readers.

Paul Lamar
 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.

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