[alberg30] Propeller Specifications

[John G. Morrison]

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John: Campbell recommended 12x10 for my Yanmar 2gm.Can see no evidence of
reduced speed under sail with this prop.I sail in the Vancouver area where
Campbellis from and they are highly regarded here. Certainly I am happy with
it.Must  admit I have not mastered going astern under control at slow speed.
Fair winds to you  John  ,Antares

----- Original Message -----
From: John Birch <sunstone at idirect.com>
To: <alberg30 at egroups.com>
Sent: Wednesday, August 30, 2000 9:28 PM
Subject: Re: [alberg30] Propeller Specifications


>
> Actually, I think you are supposed to go down 1" in Dia for a 3 blade -
I'm
> not sure though as I would never put one on my boat - cuts the sailing
speed
> too much.
>
> John
>
> George Dinwiddie wrote:
>
> >
> > I think a 13x7 is probably appropriate, whether 2 or 3 blades.
> >
> > Jim Rogers wrote:
> >
> > > Can someone tell me what the specifications should be for a
three-bladed
> > > propeller are for use on our A30s?
> > >
> > > My engine is the GM25
> > >
> > > Thanks,
> > >
> > > Jim Rogers
> > > XANADU II, #90
>
>
>
>
>




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