[Rhodes22-list] Salt Water Rhodes

Mary Lou Troy mtroy at atlanticbb.net
Thu Jan 17 09:03:25 EST 2013 

Hi Alice,
When you flush an outboard - either with ear muffs or a flushing port 
- it sends fresh water through the cooling passages that are usually 
cooled by the water intake when the motor is running. If you run an 
outboard in salt water, salt can accumulate in these passages. I 
suspect it is not as much of a problem for larger engines (larger 
passages) or motors that are run everyday. The difference between the 
earmuffs and the flushing port is that with the earmuffs (or if you 
run the outboard in a barrel of fresh water), you run the outboard 
and the water pump moves the fresh water through the passages. With 
the flushing port on the Yamahas, you hook up the hose to the port 
with the engine off. The water pressure from the hose moves the water 
through the passages.

Best,
Mary Lou
1991 R22 Fretless
Rock Hall, MD



At 12:31 AM 1/17/2013, you wrote:

>Mary Lou, out of my enormous ignorance, what part of the motor are 
>you flushing with water?
>
>Alice
>
>  > Date: Wed, 16 Jan 2013 16:36:04 -0500
> > To: rhodes22-list at rhodes22.org
> > From: mtroy at atlanticbb.net
> > Subject: Re: [Rhodes22-list] Salt Water Rhodes
> >
> > We keep our boat in a slip so this may or may not be relevant. I
> > don't know what the fouling situation is like in the PNW but here in
> > the Upper Chesapeake where the water is brackish and we tend to get a
> > lot of slime buildup. Some years we also get a lot of barnacles and
> > weed. Most of our problems with the centerboard have been with slime
> > and weed and usually only on the lower edge. If we use the boat a lot
> > and move the board up and down once a week, it doesn't seem to be a
> > problem. If we let it sit, slime and sometimes weed build up and it
> > takes running it around under power and sailing and tacking a lot to
> > free it up. When we last had the centerboard and trunk painted (a few
> > years ago with the boat in slings) the yard manager told us that
> > stuff doesn't grow high up where light doesn't reach. So far our
> > experience has borne this out here in the brackish water of the Upper
> > Chesapeake.
> >
> > My guess would be that if you are hauling the boat after every use,
> > you won't have to worry about growth of any sort. I do know that if
> > you take a boat from the Great Lakes to any other body of fresh
> > water, you are supposed to let everything dry out for a certain
> > period of time so as not to spread the zebra mussels. That hasn't
> > worked too well as they are now found thought the north east and have
> > recently shown up in the far northern reaches of the Chesapeake where
> > it is mostly fresh water.
> >
> > Our outboard (a Yamaha 8 HT, electric start) has a flush port with a
> > hose connection. Very very convenient for flushing it after use.
> >
> > Best,
> > Mary Lou
> > 1991 R22 Fretless
> > Rock Hall, MD
> >
> >
> > At 03:17 PM 1/16/2013, you wrote:
> > >Rob,
> > >
> > >I have a Tohatsu 6HP 4 Cycle. The water inlet is mounted under a flange.
> > >Muffs will not work. It has to be  submerged. The bucket works 
> from the boat
> > >mount, but the motor is only mounted when the boat is in use. Otherwise I
> > >keep it on a mount in the truck bed or on the stand. I like the 
> stand since
> > >I can use it anywhere it is convenient instead of working only 
> at the stern
> > >where the boat is parked.
> > >
> > >Rick,
> > >
> > >The Great Lakes are over run with mussels in many places and present a
> > >similar problem to being in salt water except in salt water the variety of
> > >critters you get are orders of magnitude more numerous. In either case the
> > >dilemma is the same. I understand the need to cycle the movement of the
> > >keel, but how can the trunk and keel be thoroughly cleaned once 
> the critters
> > >take up residence. In my case, I intend to use the boat in many places
> > >including inland lakes and salt water. I need to find a 
> reasonable method to
> > >keep it free of hitchhikers and debris. I don't think a strong spray after
> > >each use is going to do the trick, but time will tell. I am still a rookie
> > >R22 owner.
> > >
> > >Thanks
> > >
> > >Jay
> > >Port Angeles, WA
> > >
> > >----- Original Message -----
> > >From: "Lowe, Rob" <rlowe at vt.edu>
> > >To: "The Rhodes 22 Email List" <rhodes22-list at rhodes22.org>
> > >Sent: Wednesday, January 16, 2013 5:50 AM
> > >Subject: Re: [Rhodes22-list] Salt Water Rhodes
> > >
> > >
> > > > Jay,
> > > > Instead of a 5 gallon bucket for engine flushing, have you tried "ear
> > > > muffs" (what I call them anyway).  A bit easier to use that a 
> bucket.  I
> > > > keep a pair on the boat and you can use them with the motor 
> still mounted.
> > > > You can buy them a Kmart or any store that sells basic 
> boating supplies. -
> > > > rob
> > > >
> > > > http://www.defender.com/product.jsp?path=-1|311|314198&id=972197
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > I also built a fold up engine stand that I can travel with and use for
> > > > running the engine over a five gallon bucket.
> > > >
> > > > Jay
> > > > Port Angeles, WA
> > > >
> > > >
> > > >
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> > >-----
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> >
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