[C320-list] Prop Info

K L sfca33 at hotmail.com
Wed Nov 8 20:33:18 PST 2006


Jeff:

I didn't know that you had the three blade. I don't motor much at all. A 
tank of gas lasts more than a year. So a three blade just didn't make sense 
for me given the extra cost.

Ken


>From: "Jeff Church" <jjemail at comcast.net>
>Reply-To: C320-List <c320-list at catalina320.com>
>To: "C320-List" <c320-list at catalina320.com>
>Subject: Re: [C320-list] Prop Info
>Date: Wed, 8 Nov 2006 21:08:58 -0600
>
>Ken,
>
>Thanks for the information, but I'm not sure if I should compare the 2 and 
>3 blade props. I'd guess that the 2 blade has more slip, less bite.
>
>Thanks.
>
>Jeff
>   ----- Original Message -----
>   From: K L
>   To: c320-list at catalina320.com
>   Sent: Wednesday, November 08, 2006 8:24 PM
>   Subject: Re: [C320-list] Prop Info
>
>
>   Jeff:
>
>   Grace has the Yanmar engine (3GM30F) with a transmission ratio of 2.21. 
>The
>   two-blade 15 inch Max Prop has the pitch set at 20 degrees. The prop
>   installation and adjustment was done by a very reputable boat yard in 
>the
>   bay area (KKMI).
>
>   I don't know about maximim spreed. I generally motor at 2600-2800 RPM 
>and
>   that moves the boat at about 6.5 kts.
>
>   Ken Danko
>
>
>
>   >From: "Jeff Church" <jjemail at comcast.net>
>   >Reply-To: C320-List <c320-list at catalina320.com>
>   >To: "C320" <C320-List at catalina320.com>
>   >Subject: [C320-list] Prop Info
>   >Date: Mon, 6 Nov 2006 13:06:14 -0600
>   >
>   >The boats on the hard and I'm working thru my winter project list. I'm
>   >about to re-pitch my MaxProp and I'd like to know what pitch other 320
>   >owners are using. MaxProp's database is out of date. They only list the
>   >C320 with a Perkins diesel.
>   >
>   >If you have a MaxProp and a Yanmar please let me know the pitch,
>   >transmission ratio, and your maximum speed and RPM while motoring.
>   >
>   >Aside from taking the results into account for my use, I'll update 
>MaxProp
>   >with the information.
>   >
>   >Thanks
>   >
>   >JeffC
>
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