Jake, The drive saver is just a thin (1/2") intermediate piece of plastic right? Why did you have to shorten the shaft? Nice idea using a grinder. I would have been scared out of my mind!
Josh On Dec 12, 2013 7:45 PM, "Jake Brodersen" <captain_j...@cox.net> wrote: > Josh, > > > > Good job on the replacements. I know it couldn’t have been easy with the > access you have. I used Yanmar mounts when I replaced mine. It was very > simple. I have the PYI drive saver. I had to cut the prop shaft to > install it. While I did the cutting on my own, I would recommend a machine > shop do it because it involve recutting a keyway for the shaft collar. I > used a 4 ¼” grinder to cut the keyway. Quick and effective, but far from > ideal. Time constraints make you do strange things sometimes… No issues > though. > > > > Jake > > > > *Jake Brodersen* > > *“Midnight Mistress”* > > *C&C 35 Mk-III* > > *Hampton Va* > > > > [image: cid:D1BF9853-22F7-47FB-86F2-4115CE0BAF2F] > > > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Josh > Muckley > *Sent:* Thursday, December 12, 2013 7:29 PM > *To:* cnc-list@cnc-list.com > *Subject:* Re: Stus-List C&C 37+ engine mounts > > > > Thanks for all the thoughts and suggestions. I could have used the > basketball trick and will keep that in my bag of tricks. Aside from > manipulating the mounts into position (straps, jacks and lots of grunting) > everything else went unremarkable. I left the aluminum rails in place but > removed the polyethylene blocks (spacers) from the front. With the jack > nuts all the way down the elignment came in almost perfect. I have a PYI > shaft seal so there seemed to be quite a bit of "wiggle room". I did > everything I could to get the shaft centered but it didn't seem to make > much difference. I do plan to install a PYI shaft coupling that allows up > to 1mm of misalignment, though it don't think it is anywhere close to being > outside of the prescribed 0.3mm. > > I posted some pictures of the completed job, the original mounts, and some > stock photos. The original mounts are made by Vetus and are marketed to be > very good at dampening noise. Though they don't seem to be very good at > resisting break down. :-/ And they are quite expensive. > > https://docs.google.com/folder/d/0B8pEh5lnvP1ydTdWdDVtZlNYamM/edit > > Lingering questions still exsist regarding torque specs and the design of > the boat's foundation. > > Thanks again, > > Josh Muckley > S/V Sea Hawk > > I replaced my original Yanmar mounts a couple years ago (probably four or > five). I also use the Drive Saver from PYI. Self-aligned and no issues to > date. > > > > Jake > > > > *Jake Brodersen* > > *“Midnight Mistress”* > > *C&C 35 Mk-III* > > *Hampton Va* > > > > [image: cid:D1BF9853-22F7-47FB-86F2-4115CE0BAF2F] > > > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Rich > Knowles > *Sent:* Wednesday, December 11, 2013 5:55 PM > *To:* cnc-list@cnc-list.com > *Subject:* Re: Stus-List C&C 37+ engine mounts > > > > Hmmm. Interesting but I have to tell you I have had regular flexible > mounts and a Drive Saver flexible coupling on my boat for 15 years with no > problems. Others may wish to comment. > > Rich > > > On Dec 11, 2013, at 18:47, Don Newman <donrnew...@gmail.com> wrote: > > Good post Rick, but one quibble. > > If an engine has flexible mounts then it must have a solid not flexible > coupling and vice versa. > > > > I made that mistake when I repose red my last boat and the coupling > destroyed itself with extreme prejudice in a couple of hours of running. > Everything was aligned but the two components worked against each other. > > > > I learned later that this is an inflexible rule ;-) sorry I can't provide > a reference but my painful experience bears it out. The original had a > solid mount and flexible coupling and the new engine had flexible mounts so > I used the very substantial coupling. > > > > > Don Newman > > C&C 44 > > > > > > > _______________________________________________ > 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 > >
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