[C320-list] Prop Info

[Jeff Church]

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 MaxProp's database is out of date.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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