Stus-List [EXTERNAL] Re: 35-1 Upper rudder bearing modification

Dennis C. captbuy at gmail.com
Wed May 8 16:55:37 EDT 2019


UV is a bad thing.  I'll figure something out.

I have a rubber washer on top of my hydraulic backstay adjuster to protect
the top seal.

Dennis C.

On Wed, May 8, 2019 at 3:37 PM Della Barba, Joe via CnC-List <
cnc-list at cnc-list.com> wrote:

> The stainless collar I have on the shaft above my bearing keeps sun off
> the area right next to the shaft. If the hole gets too big it will be from
> wear, not UV.
>
>
>
> Joe
>
> Coquina
>
> C&C 35 MK I
>
>
>
> *From:* CnC-List [mailto:cnc-list-bounces at cnc-list.com] *On Behalf Of *Dennis
> C. via CnC-List
> *Sent:* Wednesday, May 08, 2019 4:29 PM
> *To:* CnClist <cnc-list at cnc-list.com>
> *Cc:* Dennis C. <captbuy at gmail.com>
> *Subject:* [EXTERNAL] Re: Stus-List 35-1 Upper rudder bearing modification
>
>
>
> Neil,
>
>
>
> Yeah, I knew Delrin wasn't the best.  Considered UHMW, but the Delrin was
> convenient.
>
>
>
> Regardless of the disc, I see having a sleeve bearing set in the disc that
> I can easily change as an advantage.  Would be easier to swap the bearing
> than to refabricate the disc with the 6 bolt holes and the center hole each
> time.
>
>
>
> As I said at the end of my document, maybe a non-metal sleeve bearing.
>
>
>
> Just a "play" project for now.
>
>
>
> Dennis C.
>
> Touche' 35-1 #83
>
> Mandeville, LA
>
>
>
> On Wed, May 8, 2019 at 2:28 PM schiller via CnC-List <
> cnc-list at cnc-list.com> wrote:
>
> Dennis,
>
> I think your problem is accelerated by UV degradation.  Delrin isn't all
> that good in UV exposure.  I would suggest using bearing grade PEEK but
> that is a lot of overkill.  You may gain some advantage by making a
> sunbrella cover for it (or just replace it every 7 years).
>
>
>
>
>
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>
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