The Shipyard ( Dry Dock ): Builds & Questions > BMPRS - British Model Powerboat Racing Society

prop shaft on submerged drive hulls

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Brigadair:
Thanks guys for the advice, much appreciated.


I'm running the boat with gap between hull and shaft which I think is what Bernard advises.




Cheers


Garry

triumphjon:
have you supported the outward tip of the tube ? i have "P"  brackets fitted to my own boats

Brigadair:
Hi tri!


yes the end of the shaft is supported.


The shaft is supplied by Bernard, it comes complete with a quality welded "skeg".


Thanks for the info.

triumphjon:
do you have any photos of the bernard supplied shafts , ive been finding it difficult to obtain shafts from prestwich over the last year

Brigadair:
Hi

Sorry don't have a picture handy and not sure if Bernard is supplying them without boats???

They are 1/4" steel, with 5mm prop stud at prop end. The engine end has a brass hub which holds the ball race in place. The prop tube has a brass skeg hard soldered / braised on it. The Ballrace is held in place with a circlip which is handy to allow for easy removal and replacement of ball race if required.
Bernard's contact details are on the sales and wants page of BMPRS.co.uk..


I know the Prestwich ones are 5mm dia  and excellent quality also.

Cheers

Garry

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