[C320-list] Boat Speed

[Andrew Santangelo]

I get 7.4 kts with 3 blade Autoprop folding prop at 2700 rpm with a  
Yanmar.

Andrew

Sent from my iPhone

On Jul 6, 2009, at 3:39 PM, pjaarch <pjaarch at verizon.net> wrote:

>
> I just purchased my 320 several weeks ago and am concerned about the  
> boat speed while under power.  I have a 3GM30F and cruise at about  
> 5.4 knots at 2700RPMs.  It seems slow to me.  I am currently  
> cruising with other boats, a (hunter 28, beneteau 331, and an Irwin  
> 38.)  They all cruise easily 6 knots at 2700 RPMs and I can't keep  
> up.  I have a 3 blade prop.  Could I be under proped?  What is the  
> cruising RPMs for the boat?  I have no ID plate on the engine  
> block.  I assume it is rated for 3400.
>
> Paul Adison
> C320 #722
> "Rough Draft"