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Which prop shaft?

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ashley needham14/06/2021 10:57:58
7433 forum posts
159 photos

Trouble is there’s no right answer. Consider that a lot of racing craft have very high revving motors and use flexishafts, which are bits of speedo cable running in a full length nylon (or some such material) sleeve. These have to be greased after every race to re-lubricate them and dry them as they are not rustproof.

one chap here said he packed his offshore racer shafts with grease and had no trouble....but he must have been using a very powerful motor and the grease would have liquified a bit after a while with all that power going through it.

Not that I like them, but an oiler on a normal bronze-bearinged shaft would be adequate.

How powerful is the motor? For the few minutes running that these things get (comparatively) to be honest almost anything should do, with a drop of lube before running?


Ray Wood 214/06/2021 11:39:15
2583 forum posts
896 photos

Hi Ashley,

Yes my serious IC boat has a flexible shaft and a 26cc Zenoah engine , I havn't run it yet it still scare's me just looking at it sitting on the stand

Regards Rayimg_20200607_085623.jpg

Eddie Lancaster14/06/2021 12:05:20
849 forum posts
644 photos

Is there anything you haven’t tried Ray?


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