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435 MPH Chinese chopper

435 MPH Chinese chopper  

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Author: 435 nope   Date: 8/5/2019 1:11:50 PM  +2/-0   Show Orig. Msg (this window) Or  In New Window

The laws of physics:  At about 300 mph and the blade tips would exceed the speed of sound.  The consequences would be diastrous.

I suspect the predicted range was used as the predicted speed.

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435 MPH Chinese chopper +0/-0 Wow 8/5/2019 11:41:29 AM