[Alberg30] Yanmar 2GM20 Flexible Engine Mounts

[carterhughes at comcast.net]

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----- Original Message -----
From: <RABBIT649 at aol.com>
To: <public-list at alberg30.org>
Sent: Monday, April 21, 2003 8:52 AM
Subject: Re: [Alberg30] Yanmar 2GM20 Flexible Engine Mounts


> You know, Lee, I can't give you mfg names anymore, but the best soution I
> ever heard to the engine mounting problem is the type of mount that allows
> the engine to 'float'. The complication is that these mounts do not permit
> the transmission of forward thrust throught he engine itself. Instead, the
> prop shaft pushes against a thrust bearing mounted in a short piece of
heavy
> angle iron glassed across the inside of the tail of the boat and the
engine
> is then completey isolated, in essence providing only torque, which these
> mounts are designed to do. The degree of vibration isolation these mounts
> provide is an order of magnitude greater than that of mounts which also
have
> to transmit prop thrust to the hull.
> I wish I remembered the manufacturer that provided this soution. Vetus
maybe?
> Does someone know?
> Paul
> Ashwagh #23
>
>
>
> In a message dated 4/20/2003 8:27:12 PM Eastern Daylight Time,
> FINNUS505 at aol.com writes:
>
> > Subj: Re: [Alberg30] Yanmar 2GM20 Flexible Engine Mounts
> >  Date: 4/20/2003 8:27:12 PM Eastern Daylight Time
> >  From: <A HREF="mailto:FINNUS505 at aol.com">FINNUS505 at aol.com</A>
> >  Reply-to: <A
HREF="mailto:public-list at alberg30.org">public-list at alberg30.org</A>
> >  To: <A
HREF="mailto:public-list at alberg30.org">public-list at alberg30.org</A>
> >  Sent from the Internet
> >
> >
> >
> > Talking about engine mounts................
> >
> > That is my next project, after I get the stern tube, cutlass bearing,
> > cutlass
> > bearing housing, prop shaft, and prop back in the boat.
> >
> > This boat, with her rebuilt Volvo MD 11 of unkown vintage, came with
only
> > three motor mounts. I did not know the port aft mount was not there
until I
> >
> > cut the cockpit sole for the access panel, and could see the port aft
> > corner
> > of the engine!!!!!!
> >
> > I have not tried to look at the other mounts yet to see if there is a
> > serial
> > number, or other ID to help me get the right replacement mount, but does
> > anyone else have experience with this, and is there a direction I should
be
> >
> > going in?
> >
> > Thx,
> > Lee
> > Stargazer #255
>
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 |                This Old Boat by Don Casey                     |
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