[C320-list] folding props again

[Peter Clancy]

Good question. I have the Gori 2-blade folder. Price is a factor and you'd probably have a little more drag under sail with the 3-blade prop (a racing issue). I have a 10 year old boat with only 360 hours on the engine. So, we sail 80-90% of the time. Folks who motor more often, particularly in windy and choppy conditions,  could probably make a case for the 3-blade having a better "bite" and possibly driving the boat better thru such conditions although I've never had a problem with my 2-blade folder.

Peter Clancy
AROBAN  C320  #222
Miami, FL
  ----- Original Message ----- 
  From: belairlk at aim.com<mailto:belairlk at aim.com> 
  To: C320-List at catalina320.com<mailto:C320-List at catalina320.com> 
  Sent: Thursday, March 30, 2006 6:52 PM
  Subject: Re: [C320-list] folding props again


  What is the reason most of this thread prefers the Gori 2-blade instead of the Gori 3-blade---other than price.
   
  Len
  Aqua5 #1070 
   
  -----Original Message-----
  From: Pat Moriarty <patm at psiurethanes.com<mailto:patm at psiurethanes.com>>
  To: C320-List <C320-List at catalina320.com<mailto:C320-List at catalina320.com>>
  Sent: Thu, 30 Mar 2006 11:25:51 -0600
  Subject: Re: [C320-list] folding props again


  So I have the same combo and was thinking about the Gori 2 blade 
  also. How have you liked it so far? RPM vs speed and reverse etc. Did 
  you have the 3 blade fixed before?

  Pat
  SEXUALHEELING #130

  At 11:16 AM 3/30/2006, you wrote:
  >I hope I'm not violating any usage clause with this little endorsement
  >but I just acquired and installed a Gori 2 blade from AB Marine in
  >Newport for my 94' hull #141 with a Perkins. They beat every price I
  >could find on the net and more importantly were very knowledgable and
  >helpful during prop selection and sizing. The fella I dealt with was
  >Geoff Prior [geoff at ab-marine.com]
  >Mike LaChance
  >Seychelle, #141
  >
  >-----Original Message-----
  >From: C320-List-bounces at catalina320.com<mailto:C320-List-bounces at catalina320.org>
  >[mailto:C320-List-bounces at catalina320.com] On Behalf Of Scott Thompson
  >Sent: Thursday, March 30, 2006 11:50 AM
  >To: C320-List
  >Subject: [C320-list] folding props again
  >
  >Sorry to beat a dead horse, but I can't seem to find the answers in the
  >older threads on this.  Surprise is 1999 wing keel model, hull 653.  She
  >has the Yanmar 3GM30F, continuous HP rating 24.1HP at 3400 RPM.  Her
  >gearbox has 2.21:1 reduction in forward gear.
  >
  >For cost reasons and to get minimal drag I'm only looking at the Gori
  >and Martec 2 blade folders.  What pitch and diameter of these props
  >would be recommended for my boat?  Am I correct that the shaft is 1
  >inch, standard US taper?
  >
  >Who has the best deals on these props?  Any reason to prefer Gori to
  >Martec or vice versa?  I've read good things about both.
  >
  >
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