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2 speed gear reducer/transmission

2 speed gear reducer/transmission

2 speed gear reducer/transmission

(OP)
Hi, I have been looking for and cant find a 2 speed transmission (1:1 & 1.44ish:1) that can handle 0-6K RPM, ~220 lb/ft (250 HP), fwd & rev operation. Ratio changes will NOT be under load, only stopped. Max O.A.L. < 25".

This is ultimately running a centrifugal compressor.

Any and all info is greatly appreciated.
Thanks!!!

RE: 2 speed gear reducer/transmission

Here is one that I have seen in use, but have no idea of the utility.

http://www.drive-all.com

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