[C320-list] Gori-Prop buyer question - Not a propmanufacturerdebate

[Chris Holt]

Actually, my original prop is a 15 x 10.
I believe the boats newer than mine switched to a 15 x 9 when the 
transmission ratio changed.

----- Original Message ----- 
From: "Len" <aqua5len at gmail.com>
To: <frpoint at earthlink.net>; "C320-List" <c320-list at catalina320.com>
Sent: Monday, September 18, 2006 3:31 PM
Subject: Re: [C320-list] Gori-Prop buyer question - Not a 
propmanufacturerdebate


> Chris,
>
> As your original prop was 15 x 9, Gori 15 x 10 would be correct.
>
> Len
> Aqua5  #1070
>
>
> On 9/18/06, frpoint at earthlink.net <frpoint at earthlink.net> wrote:
>>
>> Chris, I have a gori 15 x 10 3rh and am quite pleased with it. It has 
>> been
>> on our boat 2 years. reverse is better, forward is better in that it
>> accelerates faster, and faster under sail. also less weather helm.
>>
>> C320 #769
>> SF bay
>>
>> ----- Original Message -----
>> From: "Chris Holt" <oldman1030 at hotmail.com>
>> To: "c320" <C320-List at catalina320.com>
>> Sent: Monday, September 18, 2006 10:33 AM
>> Subject: [C320-list] Gori-Prop buyer question - Not a prop
>> manufacturerdebate
>>
>>
>> I stopped by the AB Marine booth at the Newport boat show this last
>> weekend
>> and talked to them about purchasing a Gori 3 blade prop.
>> I told them how we have all been discussing the proper pitch that people
>> have found based on experience so I suggested the 15x11 3 blade RH model
>> based on the "1 pitch higher than factory prop" rule.  He wrote to me
>> today
>> and said this:
>>
>> "Based on calculations and also other C-320 owners sea trial results the
>> propeller will be a 15 x 10 x 3RH propeller."
>>
>> This surprised me as he said the 15 x 10 was found to be the ideal
>> propeller.  Does anybody have the Gori 3 blade 15 x 10?
>> I know that the some of the people who have the 15 x 11 have said they
>> can't
>> reach max RPMs so I'm wondering if he is correct.
>>
>> BTW: I have the 3GM30.  Hull #447.
>>
>> Thanks,
>>
>> Chris Holt
>>
>>
>>
>>
>>
>