Those bearing discs are probably Delrin, aka Acetal. I think Dennis C. and/or Joe D.B. scored some made from PEEK or some such...you can make them yourself from sheet stock or have a machine shop mill them out.
On 11 November 2013 13:54, djhaug...@juno.com <djhaug...@juno.com> wrote: > Oops, I forgot the link to the folder... > > http://sdrv.ms/1bpnvZh > > Danny > > > ---------- Original Message ---------- > From: "djhaug...@juno.com" <djhaug...@juno.com> > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Rudder bearing > Date: Mon, 11 Nov 2013 21:53:25 GMT > > Okay, > > I removed the rudder today. It does not weigh much at all, > > There are no bearings. It is just a fiberglass tube that fits tightly > around the 1-7/8" shaft. There were just 2 - 4"x1/4" nylon(?) washers > between the pin that holds the rudder in place and the aluminum flange > fitting in the cockpit. > > It really is just hung there. I couldn't help but to think that a SS > washer on top of the 2 nylon(?) washers would be a good idea. It was > apparent that these washers had been switched around a few times by the > marks from the pin on both sides of both nylon(?) washers. > > So my thoughts ar maybe to just re install it and add a big 'ol fender > washer for the pin to rest on. > > However, my only concern is what the stainless shaft looks like inside the > rudder... > > > https://korpoq.blu.livefilestore.com/y2pq2xBqhOTnVi8a3qjlKe3d3z5mZu4DLyvgdLO1n4y4kIAj-jz0KUR4EKzhrOKdm1UOBEIjnGtt3_lyaNLYnVRVciZi9tZT2-gzJtkcwoy1K8/20131111_132315.jpg > > In case that link doesn't work, here is a link to a folder with a bunch of > boat pics. The photos from today are all the way at the end. > > Thanks again for any insights, observations or ideas. > > Danny > > ---------- Original Message ---------- > From: Martin DeYoung <mdeyo...@deyoungmfg.com> > To: "cnc-list@cnc-list.com" <cnc-list@cnc-list.com> > Subject: Re: Stus-List Rudder bearing > Date: Fri, 1 Nov 2013 17:54:01 +0000 > > > It doesn't weigh much. Not sure if that is good or bad. < > > Calypso's displacement is in the 24,000lb range. I have been told the > original Bruckmann built rudder was lost in the early 70's on the way to > Bermuda. The replacement rudder may be overbuilt but I do not worry it > will fail under any conditions we are likely to push Calypso into in the > near future. > > Much of the rig and steering related gear on the early Bruckmann built > 43's appears to be the same spec as what was used on the early 61's. The > lower rudder bearing assembly is cast bronze and bolts on from the outside. > Think 2' long and 1' wide, faired into the hull shape, penetrating 1' into > the hull with a machined load bearing collar/stuffing box assembly on top. > Frick'n massive, and heavy. > > Given that we mostly race Calypso these days and the propensity for light > air in the PNW a lighter rudder may not be bad. Having said that our last > day of racing saw steady winds in the mid 20's and gusts close to 30. The > rudder/steering gear work this summer was a comfort as we ducked a > starboard tacker with maybe a little too much mainsheet on. > > Martin > Calypso > 1971 C&C 43 > Seattle > > -----Original Message----- > From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Della > Barba, Joe > Sent: Friday, November 01, 2013 10:24 AM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Rudder bearing > > OTOH I can carry my rudder around myself. It doesn't weigh much. Not sure > if that is good or bad. > > Joe Della Barba > Coquina > C&C 35 MK I > > -----Original Message----- > From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Martin > DeYoung > Sent: Friday, November 01, 2013 1:18 PM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Rudder bearing > > > I guess I should commandeer a couple people to help drop that rudder.< > > When dropping Calypso's rudder (large fiberglass over balsa with 3" dia. > SS heavy wall tube shaft) this summer we used 4 to 5 people. My guess is > it weighs 200 to 250 lbs. We were just barely able to clear the pavement > with the boat in its normal yard position. The backup plan was to spend > the $$ to have the travel lift raise Calypso to give us the extra clearance. > > We had cushioning material under the rudder in case it slipped from our > grip and set up blocks to stabilize it 1/2 way out to allow for > re-positioning of the muscle. > > Prior to this summer's rudder repair project I dreaded the need to drop it > out of the boat. Now that I have done it the project seems no worse than > any other yard project. The more difficult part was working in the tight > spaces around the quadrant. > > Do take pictures and measurements of how the steering gear is set up. I > should have taken much better measurements of the position of the quadrant > to avoid having to make a 3/8" adjustment to perfect the steering cable > alignment. > > Calypso's rudder bearing assemblies are much different than those > described for a Viking 33 but I did perform a complete inspection of the > shaft and the bearing surfaces looking for wear and corrosion. I made > detailed measurements of the rudder and shaft in case of future repairs. > > Martin > Calypso > 1971 C&C 43 > Seattle > > -----Original Message----- > From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of > djhaug...@juno.com > Sent: Thursday, October 31, 2013 7:22 PM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Rudder bearing > > "what, it's the first hole I dug?" > > the 33 came with a tiller too. Mine was converted over to a wheel but, > the tiller fitting is still there. > > I guess I should commandeer a couple people to help drop that rudder. > > Danny > > _______________________________________________ > This List is provided by the C&C Photo Album http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > _______________________________________________ > This List is provided by the C&C Photo Album http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > -- Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC
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