[Public-list] Prop required for a repower

[thomascwcj at bellsouth.net]

Hugh:
Thanks for the prompt and useful response.
Chuck
> 
> From: "Hugh McCormack" <hugh_alberg at hotmail.com>
> Date: 2007/02/13 Tue PM 07:27:24 EST
> To: public-list at lists.alberg30.org
> Subject: Re: [Public-list] Prop required for a repower
> 
> Hello Chuck,
> 
> The following two links may have the advice you are seeking:
> 
> http://www.alberg30.org/collaborate/YanmarEngine
> 
> http://www.alberg30.org/maintenance/MechanicalPropulsion/Propeller
> 
> The second link is to an article by Don Campbell and contains an Excel 
> spreadsheet that will offer prop size suggestions.
> 
> Cheers,
> 
> Hugh
> 
> 
> >From: <thomascwcj at bellsouth.net>
> >
> >I have an Alberg 30 with a Yanmar 3YM20. The shaft is 7/8" and I'm 
> >wondering what is the best three bladed prop alternative in order to 
> >realize maximum efficiency. The current two bladed prop is that which was 
> >used with the old A-4 (a 12"x9"...I think). I've read that, considering the 
> >aperture size, a three bladed 12"12" might be the best alternative. Anybody 
> >have any advice and/or experience with a similar situation? Thanks.
> >Chuck
> 
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