Petrol strimmers

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Whats in the shaft of most petrol strimmers? Is it a flexible cable or something quite rigid? Question really being can i chop the shaft and put a prop on it?
 
Whats in the shaft of most petrol strimmers? Is it a flexible cable or something quite rigid? Question really being can i chop the shaft and put a prop on it?

Sort of thing they do in places like Thailand and Cambodia, except there the engines are a bit larger.
 
depends on the type of strimmer, the home use have a bent head on them and they are flexi drive, the commercial ones that have a straight head are normally shaft. They are the ones that you can fit a brush whacker to, (blade) so fitting a prop should be possible.
 
you may well need a pretty fine pitch propellor as the strimmers I know whizz around at about 4000 RPM from a 50cc motor.
 
On reading the title I thought for one minute that you were proposing to use a petrol strimmer to get the weed off your waterline! :eek::D
 
Why reinvent the wheel?

Whats in the shaft of most petrol strimmers? Is it a flexible cable or something quite rigid? Question really being can i chop the shaft and put a prop on it?

atco%20boat%20impellor.jpg
 
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