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impeller interference ?

Jetstar 1982

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Year
1995
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Does anyone know if there are any other impellers that have the same attachment as ultranautics interference??
screwed straight onto the shaft left hand threads .
I can machine the diameter to fit but hope to find something that fits on the shaft.
 

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Are you sure that those impellers are screwed on? My bet is the shaft has a spline on it and the nut just holds them on. Left thread because of the rotation of the shaft.[flag]
 
yes it is the same as mine. but are there any other water jets that have the same impeller attachment?
 
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