Quote:
Originally Posted by Rick Wagner
I'm surprised not many seem to be doing it because it is so simple to implement. Just take a spare motor and put a hobby shop propeller on it, mount the motor with a hose clamp behind a screen for safety.
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It's simple, but not necessarily as effective as you might think at first.
You'd be surprised at just how much thrust a propeller system can lose when you add the safety screen. In some cases, it drops the force to less than a fourth of what it would be otherwise.