Re: prop pitch?

Yes, those #s were for the 18. Glad it helped!

> Andy,
> Those same speeds and rpms sounds very close to mine. I am
> assuming the information you provided was for a "18"?
> Enjoy your vacation, please don't spend it taking notes!
> Cheers, Eric
> 1966 Evinrude Sportsman 150
>
> ----- Original Message -----
> From: "Andy Perakes" <aperakes@...>
> To: <omc-boats@...>
> Sent: Wednesday, July 16, 2003 9:28 PM
> Subject: Re: prop pitch?
>
>
> > I generally like to keep rpms closer to 3000 when
> > cruising which pushes me in the mid 20s, depending on
> whether I'm going with or against the chop. My
> > redline is also around 4000 rpm with low-mid 30 mph
> > max., but I don't like to push an engine this old. We
> did on occasion up to ~10 years ago and the
> > result was an overheat light within a few minutes. Now
> > I'm more concerned about things like rods, pins, and
> bearings. The boat usually planes between
> > 15-20 and will get there very quickly if I goose the
> > throttle. I'm on vacation next week and hope to put on
> > a lot of hours so I could write down some detailed info
> > (rpm, plane & top speeds for each prop) if it would be
> helpful. >
> > You should always have a spare prop if you're on a big
> lake (I'm on southern
> > Lake Huron), but I'd find a prop repair shop before
> > scraping the old one. Depending on how bad the damage
> > is, they usually do a pretty good job on repairs. It
> cost me $30 to repair minor damage on my 18 and $35 to get
> > the 22 knocked down a few years ago. Had I gone through
> a boat store instead of
> > direct to the repair shop, prices would've been double+
> > in time and money and they would've sent it to the same
> place I took it! >
> > ----- Original Message -----
> > From: "Eric Graczkowski" <ericg@...>
> > To: <omc-boats@...>
> > Sent: Wednesday, July 16, 2003 7:16 AM
> > Subject: Re: prop pitch?
> >
> >
> > > Very interesting write up. With that information in
> > mind, what is your ideal
> > > RPM? I am not aware of the pitch on the prop I have,
> > but plane at about 3500
> > > and max at 4000 RPM. Maybe 34 MPH tops. Anyone else
> > have similar experience
> > > with the V6? If so could I approximate the pitch based
> > on others experience?
> > > The prop I am running met some gravel suddenly and am
> > > looking for a replacement... merely considering the
> > possibilities. >
> > > Eric
> > > 1966 Sportsman 150
> > > Oshkosh, WI
> > > ----- Original Message -----
> > > From: "Andy Perakes" <aperakes@...>
> > > To: <omc-boats@...>
> > > Sent: Tuesday, July 15, 2003 10:36 PM
> > > Subject: Re: prop pitch?
> > >
> > >
> > > > I have 3 props (16, 18, and ~21) for my 155 Hp '67
> > > Reveler i/o. (Just like
> > > > the one on e-Bay -- thanks much for sending the
> > link!!) The 18 is pretty
> > > > good for all-around use. The 16 revs high, but
> still functions okay and
> > > > gives me lots of power (8 skiers at once). The ~21
> used to be a 20 that
> > > my
> > > > smarty brother had upsized to a 22 about 20 years
> ago thinking it'd make
> > > the
> > > > boat go faster. The effect was it acted like a
> > > > governor with groggy performance and wouldn't swing
> over ~3000 rpm. I had it whacked down a
> > > > little, but it still clips me at 3500 rpm. So,
> > > > based on my humble experience, you really can't
> deviate a whole lot from nominal (maybe 1-2
> > > > sizes up or down tops). My guess is a 12 would
> scream rpms. If you're
> > > just
> > > > looking for a spare prop for emergencies, it'd
> probably work, but I'd go
> > > > with the 14 given the choice.
> > > >
> > > > For others with the Buick V6 155 Hp engine: As an
> > original owner running
> > > in
> > > > fresh water only during short Michigan summers,
> we've faced two regular
> > > > problems: about every 10-15 years, both the
> > alternator and the water pump
> > > > need to be replaced. As someone previously
> > > > mentioned, parts are now obsolete and very
> expensive. I kept my old parts in hopes of rebuilding
> > > > them, but so far haven't found parts for my parts
> > > (stator for the alternator
> > > > and shaft/impellor for the pump, in particular).
> > > Our winterizing procedure
> > > > for 36 years has been to follow the instructions in
> > > the owner's manual which
> > > > simply states (only slightly shortened) open the
> petcocks and dump some
> > > oil
> > > > down the carb. Last year I started pulling the
> > cooling hose in an effort
> > > to
> > > > dry things inside out a little quicker, but I'm a
> > little leery about mice
> > > > moving in. If anyone has any tips that have worked
> > > > for them on servicing/maintaining/winterizing this
> > > > engine, I'd love to hear them, especially if you
> > > know any good sources for parts (water pump prices
> > > > ranged from $380 to over $500 last year!!!)
> > > >
> > > > ----- Original Message -----
> > > > From: <Pated66@...>
> > > > To: <omc-boats@...>
> > > > Sent: Tuesday, July 15, 2003 4:53 PM
> > > > Subject: RE: prop pitch?
> > > >
> > > >
> > > > > My concern would be the RPM you're running. the
> > lower # props are going
> > > > to let your motor turn faster and lessen your top
> > > > end. >
> > > > > Bill Desmond <nebdlo@...> wrote:
> > > > >
> > > > > >
> > > > > >my rouge 210 has a 14 x 18 prop on it. i saw a
> > > > > couple >props on ebay. 1 is 14p and the other is
> > > > > 12p. my ? >is, how much will it gear the boat
> > > > > down. right now the >boat is on small lake so top
> > > > > speed is not much of an >issue. i will be pulling
> > > > > skiers and tubes. ive never >experimented with
> > > > > prop pitch so i dont know if going >from 18p to
> > > > > 12p will be alright or if i will end up >with a
> > > > > tug boat. >thanx
> > > > > >daemian
> > > > > >
> > > > > >__________________________________
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> > > >
> > >
> > >
> >
>
Received on Saturday, 19 July 2003