[Rhodes22-list] Old Motor Lift
Michael Meltzer
mjm@michaelmeltzer.com
Sat, 26 Oct 2002 00:17:28 -0400
Just one thing, make sure to use mechanical fasteners(bolts screws etc...), none of the common glues/epoxies/sealers stick to the
stuff.
MJM
----- Original Message -----
From: "Roger Pihlaja" <cen09402@centurytel.net>
To: "The Rhodes 22 mail list" <rhodes22-list@rhodes22.org>
Sent: Friday, October 25, 2002 9:41 AM
Subject: Re: [Rhodes22-list] Old Motor Lift
> Joe,
>
> OK, if I understand you correctly, there will be sliding contact between one
> side of the pieces you are replacing and the moving part of the motor mount.
> The dimensions of the pieces are 18" long X 1.5" wide X 1" thick and you
> need two pieces. Because it's a moving part, involving unlubricated "dirty"
> surface-to-surface sliding friction, I recommend UV stabilized ultra high
> molecular weight polyethylene (UHMWPE). UHMWPE will be completely
> impervious to everything in the marine environment, will be totally
> maintenence-free, is machinable with common shop tools like drills &
> circular saws, & will outwear ANY other material you might use, including
> all metals, wood, & any other plastic. Even dirt, grit, & salt spray which
> accumulates in-between the two sliding surfaces will not cause the UHMWPE to
> wear! However, such an abrasive build up may cause the other sliding
> component of your motor mount to wear down. These UHMWPE parts will outlast
> your lifetime & you will be able to pass them on to your children in your
> will. In addition, you will notice a marked reduction in friction & the
> motor mount will be easier to operate.
>
> I would either go on-line or call U.S. Plastics Corp. & order a minimum 5'
> piece of the following:
>
> UHMWPE Rectangular Bar, White, UV Stabilized, 1.5" X 1" X 5' Cost: Approx
> $25 + S&H + Setup & Cut Fee
>
> NOTE: This material is also usually available in yellow & black as well if
> you prefer one of these colors over white.
>
> Hope this has been helpful, Joe. Good luck!
>
> Roger Pihlaja
> S/V Dynamic Equilibrium
>
>
> ----- Original Message -----
> From: "Ware, Joseph W." <joseph_ware@merck.com>
> To: "'The Rhodes 22 mail list'" <rhodes22-list@rhodes22.org>
> Sent: Friday, October 25, 2002 7:25 AM
> Subject: RE: [Rhodes22-list] Old Motor Lift
>
>
> > Roger, thanks for all of the options. The third dimension on the wood, is
> > 1". These are not the shims used to space the capturing pieces away from
> > the transom. The wood IS the capturing piece. They hole the motor mount
> > next to the boat. If this was a channel, the wood would be the outside
> > edge.
> >
> > _____________________________ <Boat transom
> > | | <--plastic
> > -- -- <-- this is the wood
> >
> > How's this for a drawing? the mount slides inside this arrangement.
> >
> > Joe
> >
> > -----Original Message-----
> > From: Roger Pihlaja [mailto:cen09402@centurytel.net]
> > Sent: Friday, October 25, 2002 6:28 AM
> > To: The Rhodes 22 mail list
> > Subject: Re: [Rhodes22-list] Old Motor Lift
> >
> >
> > Joe,
> >
> > "Starboard" is the tradename for a brand of UV stabilized polyethylene
> > building material, which is manufactured by the King Plastic Co.:
> >
> > King Plastic
> > P.O. Box 1475
> > Venice, FL 34284-1475
> > 941-493-5502
> > 941-497-3274 (FAX)
> > www.kingplastic.com
> >
> > Besides "Starboard", King Plastics also offers "Starlite" rigid foam core
> > building material, which is about 40% lighter than Starboard.
> >
> > Here are some other suggestions:
> >
> > "CPG Seaboard" high density polymer sheet
> >
> > Compression Polymers Group
> > 801 Corey St.
> > Moosic, PA 19807
> > 717-346-8797
> > 717-346-5080 (FAX)
> >
> > "Kelron" HD polyethylene sheet
> >
> > Otron Tech
> > P.O. Box 40
> > Stn. Main, 760 Lowe Ave.
> > Wallaceburg, ON, N8A 4L5 Canada
> > 519-627-7960
> > 519-627-7969 (FAX)
> >
> > All manner of structural shapes, sheets, rods, etc in a wide variety of
> > polymers & they will custom cut & sell small pieces directly to
> individuals:
> >
> > United States Plastic Corp.
> > 1390 Neubrecht Road
> > Lima, OH 45801
> > 800-537-9724
> > 800-854-5498 (FAX)
> > www.usplastic.com
> >
> > Given the thru-bolted, heavily compression loaded application, I would not
> > use any of the structural foams. You only gave dimensions of 1.5" X 18" X
> ?
> > for the wooden pieces you need to replace. How thick are these wooden
> > pieces? What do these wooden pieces you are replacing do? Do they move
> > with the motor mount or are they just "shims"? Assuming they are just
> > shims, then I would stay away from any of the brittle plastics like
> > polystyrene or acrylics. Unfilled teflon will tend to creep with time
> under
> > compression loading, but glass filled teflon would be OK. PVC & cPVC will
> > get brittle in the winter. Nylon 6, polypropylene, ABS, UV stabilized
> > polyethylene (preferably high density or ultra high molecular weight), UV
> > stabilized polycarbonate, G-10 phenolic, or fiberglass would all probably
> > work OK in this application. By the way, assuming these are just shims,
> are
> > you satisfied with their present thickness? i.e., would you be happier if
> > the motor were slightly nearer or farther away from the transom? By
> > tapering the shims, you could also adjust the angle of the motor relative
> to
> > the water, thus potentially fixing any motor trim problems you may be
> > having. Now is the time to think about & change these parameters.
> >
> > If this is a moving part, then I would use UV stabilized, ultra high
> > molecular weight polyethylene for its abrasion resistance &
> self-lubricating
> > qualities.
> >
> > Roger Pihlaja
> > S/V Dynamic Equilibrium
> >
> > ----- Original Message -----
> > From: "Ronald Lipton" <lipton@fnal.gov>
> > To: "The Rhodes 22 mail list" <rhodes22-list@rhodes22.org>
> > Sent: Thursday, October 24, 2002 2:50 PM
> > Subject: Re: [Rhodes22-list] Old Motor Lift
> >
> >
> > > Starboard is a marine grade plastic often used to replace teak parts. I
> > am
> > > not sure of it's structural strength but it is easy to machine and
> > resistant
> > > to UV. Available at West Marine and many other suppliers in 2'x4'
> > > boards.
> > >
> > > Ron
> > > > -----Original Message-----
> > > > From: Ware, Joseph W. [mailto:joseph_ware@merck.com]
> > > > Sent: Thursday, October 24, 2002 1:15 PM
> > > > To: 'The Rhodes 22 mail list'
> > > > Subject: RE: [Rhodes22-list] Old Motor Lift
> > > >
> > > >
> > > > Thanks Ron, what is "starboard" material?
> > > > Joe
> > > >
> > > > -----Original Message-----
> > > > From: Ronald Lipton [mailto:lipton@sprynet.com]
> > > > Sent: Thursday, October 24, 2002 12:44 PM
> > > > To: The Rhodes 22 mail list
> > > > Subject: Re: [Rhodes22-list] Old Motor Lift
> > > >
> > > >
> > > > I had a similar problem, although my lift had plastic rails.
> > > > It is relatively easy to remove the old pieces and drill a set
> > > > of holes that match the originals in a new plastic part. I used
> > > > 1.5" nylon 6/6 which is UV resistant, although rather soft. I
> > > > would guess that "starboard" material would work as well.
> > > > I can take a picture next time I am at the boat - but probably not
> > > > for a couple of weeks.
> > > >
> > > >
> > > > Ron Lipton
> > > > ----- Original Message -----
> > > > From: "Ware, Joseph W." <joseph_ware@merck.com>
> > > > To: "List Rhodes (E-mail)" <rhodes22-list@rhodes22.org>
> > > > Sent: Thursday, October 24, 2002 10:48 AM
> > > > Subject: [Rhodes22-list] Old Motor Lift
> > > >
> > > >
> > > > > Does anyone have a picture of the older version of the motor lift?
> > > Mine,
> > > > > 1986, has two gray plastic pieces directly on the transom. Then
> there
> > > > are,
> > > > > were, two pieces of wood (1.5"x18") which are through bolted onto
> the
> > > > > plastic pieces and actually hold the sliding mount on the transom.
> > > These
> > > > > pieces of wood split while I was trailering, leaving the motor
> hanging
> > > on
> > > > by
> > > > > both the lifting line and a safety chain attached to the transom. I
> > > > > e-mailed Stan for a plastic replacement, and he is not familiar with
> > > wood
> > > > > ever being used. Any one else have wood, or pictures?
> > > > >
> > > > > Joe
> > > > > S/V Whisper
> > > > >
> > > >
> > >
> >
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> may be confidential, proprietary copyrighted and/or legally privileged, and
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