[Public-list] Engine Question

Wed Sep 21 11:14:03 PDT 2005

Al,

I have a Corvette, LT-1, 270 HP fuel injected gasoline engine; wait, that's
in my 1995 Impala!

Start again.  I have a Universal 18 (that I think develops about 13 HP)
diesel in #148 also with a 2 blade prop and would be interested in what you
find out about the 3 blade prop.  If you can, please keep me informed your
findings RE a 3 blade prop.

Thanks,

Roger Kingsland
Chief Boat Boy, Rubber/Scraper and Check Writer
Alberg 30 #148, PERFECT intentions
N40-33.92, W79-51.25

"You don't have to think outside of the box, but it doesn't hurt to peek
over the edge once in a while."
Leonardo Da Vinci (or somebody like that)

----- Original Message ----- 
From: "Mike Lehman" <sail_505 at hotmail.com>
To: <public-list at alberg30.org>
Sent: Wednesday, September 21, 2005 1:02 PM
Subject: RE: [Public-list] Engine Question

> I have a Universal M4-30 [4 cyl 30 HP]. I do not what prop you would need,
> but suspect that it would be different from mine since the engine are so
> different. I got help from Michigan Wheel and they got it right on the
first
> try. You can submit your information to them online by going to...
>
> http://www.miwheel.com/MIWheel/propit/main.htm
>
>
>
> Mike Lehman
> ~~~_/)_/)~~_/)~~~
>
>
>
>
> ----Original Message Follows----
> From: "Albert Fleury" <affleury at hotmail.com>
> Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
> To: public-list at alberg30.org
> Subject: RE: [Public-list] Engine Question
> Date: Wed, 21 Sep 2005 12:05:24 -0400
>
> Mike,
> What engine do you have? I have an 11 hp Vetus with a 2 blade prop and
would
> like to switch to a 3 blade for improved cruise speed and backing ability
> and wonder if the 12 inch x 12 would work well for me?
>
> Al Fleury
> # 131 "Moonshadow"
>
>
> >From: "Mike Lehman" <sail_505 at hotmail.com>
> >Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
> >To: public-list at alberg30.org
> >Subject: RE: [Public-list] Engine Question
> >Date: Tue, 20 Sep 2005 16:37:42 -0400
> >
> >Jon,
> >
> >I have a 12"x12 3-blade on my boat and it works fine. 12" is better than
13
> >on the A30 because of the aperature opening. With 12" you reduce the
amount
> >of prop wash and noise. As for the pitch, that should be determined by
the
> >power curve of the engine, shape of the hull, displacement of the
vessel -
> >-lot's of factors. A test is to see if you can get max rated RPM for the
> >engine when it is in the water. You will never run the engine at that
speed
> >but you should be able to reach it [or close to it]. You cruising speed
> >with a diesel is generally around 75% of full throttle. Many people
> >over-prop and 'labor' their engines with too low RPM which reduces power
> >and effiency. Hope this helps
> >
> >BTW, The prop can be re-pitched for fine tuning but there are limits as
to
> >how much. If I remember correctly it is 2" in either direction so....a
> >12x13 can be repitched to 12x11 or 12x15
> >
> >
> >
> >Mike Lehman
> >~~~_/)_/)~~_/)~~~
> >
> >
> >
> >
> >----Original Message Follows----
> >From: "Jon Budington" <jon at globalprintinginc.com>
> >Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
> >To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
> >Subject: RE: [Public-list] Engine Question
> >Date: Tue, 20 Sep 2005 16:26:37 -0400
> >
> >Stephen,
> >
> >Just checked my notes, and the prop specified is a 12" 13 pitch.  Any
> >thoughts on that size?
> >
> >Jon
> >
> >-----Original Message-----
> >From: public-list-bounces at alberg30.org
> >[mailto:public-list-bounces at alberg30.org]On Behalf Of sousa, stephen
> >(ENG)
> >Sent: Monday, September 19, 2005 2:43 PM
> >To: 'Alberg 30 Public List -- open to all'
> >Subject: RE: [Public-list] Engine Question
> >
> >
> >Jon,
> >
> >I have the same installation in #114. They made Z-Brackets which the
motor
> >mounts are mounted. Which Yanmar are you installing in the Alberg? You
> >should verify that they are providing a new propeller with the
> >installation,
> >the Campbell which is a 12 or 13 X 7 pitch will not work well with the
> >Yanmar.
> >
> >Stephen
> >
> >-----Original Message-----
> >From: public-list-bounces at alberg30.org
> >[mailto:public-list-bounces at alberg30.org] On Behalf Of Jon Budington
> >Sent: Monday, September 19, 2005 2:28 PM
> >To: Alberg 30 Public List -- open to all
> >Subject: [Public-list] Engine Question
> >
> >
> >I am in the process of replacing my Gray Marine with a new Yanmar.  The
> >work
> >is being done by a local engine service company in Annapolis.  I went to
> >check on the progress of the job this weekend and was surprised to see
the
> >new engine laying on the old Gray beds.  The new engine is narrower, and
> >the
> >mounts do not line up.  To compensate, the mechanic manufactured plates
to
> >bolt to the old beds - the new engine mounts are bolted to the plates.
> >Does
> >this sound correct?
> >
> >Thanks,
> >
> >Jon Budington
> >Nimble #67
> >
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