Subject: Re: [harryproa] My Little Mule (Mast bearings)
From: Rob Denney
Date: 8/12/2010, 7:18 AM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

 

I use UHMPWE for the Visionarry's no problems,  These are machined from a solid block or from a tube.  On El I use pvc drainpipe, works a treat.  On Sol I am using a 3mm strip of UHMPWE rebated into the deck.  The make part of the bearing on all these and on rudder bearings is epoxy, silica and graphite power.   Use the plastic bearing as a mould, but put a piece of packing tape inside it to give a clearance fit.


Put the lower bearing housing and supports on the bottom of the hull before you put the sides on as it is far easier.

rob

On Thu, Aug 12, 2010 at 12:12 AM, Dennis Cox <dec720@att.net> wrote:
 

Keeping in mind that we're talking about a boat where hulls and beams... will cost less than $200.  Does anyone have any suggestions for mast bearings.  Obviously, a machined SS ring (or two) are out of the question.  Low friction is more important than longevity.  Even if it lasts for only one season.  I'm thinking something with PVC pipe (w/ fiberlass reinforcement) but need some friction reducing "something".  Any ideas?

 

Thanks,

Dennis


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