Ogopogo has her original Universal 35 engine with a 16" 2 blade Max Prop
feathering prop. I easily make 7+ knots at about 2400 rpm in smooth water,
usually 6-6.5 knots at 2200 rpm in our typical light chop.

Tracy Hirsh
Ogopogo
1989 37+/40 CB
Fairhope Alabama
On Jul 22, 2015 8:07 AM, "Ron Ricci via CnC-List" <cnc-list@cnc-list.com>
wrote:

> I’m curious to see what kind of speed everyone gets on their 37/40. It is
> interesting to see that some listers get over 7 knots.  I’m lucky to get 5
> knots at 2500 rpm.  Above that rpm, there is not much of a noticeable
> change in speed, just noise.
>
>
>
> Here’s what Patriot has:
>
>
>
> ·        3HM35F Yanmar 30 HP
>
> ·        2.14 Gear Ratio
>
> ·        16” Max-Prop – 2 bladed
>
> ·        Right Rotation – from
> http://www.pyiinc.com/images/pdf/max-prop/PYI_Max-Prop_2_Blade_Instructions.pdf
>
> o   18°
>
> o   X = E
>
> o   Y (dot) = H
>
> o   Y (dot)(dot) = V
>
>
>
> Perhaps the 2 bladed prop is really that inefficient or my pitch should be
> changed.  Any advice will be appreciated.
>
>
>
>
>
> Regards,
>
> *Ron*
>
> Ronald V. Ricci
>
> S/V Patriot
>
> C&C 37+
>
> Bristol, RI
>
> ron.ri...@1968.usna.com
>
>
>
>
>
>
>
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