[Rhodes22-list] Centerboard Drag and 6hp Speed

[Lee Kuhn]

Hey Roger,

I wanted to go with the 3hp electric but I  thought it might not be enough.

On Sun, Jun 26, 2022, 4:37 PM ROGER PIHLAJA <roger_pihlaja at msn.com> wrote:

> Hi Lee,
>
> S/V Dynamic Equilibrium came with an Evinrude 6 bhp long shaft outboard.
> It was OK; but, when it came time to replace it, I opted for an extra long
> shaft Honda 8 bhp.  The 6 bhp outboard was plenty powerful enough to power
> the boat against any headwinds.  But, with the wind come waves and the 6
> bhp long shaft Evinrude would frequently cavitate.  The extra long shaft
> Honda was a significant improvement.  If an extra long shaft 6 bhp outboard
> had been available, I would have considered it.  All the power in the world
> is of no use if you can’t couple it to the water.  Attached is a photo of
> the stern of my boat with the motor mount in the fully lowered position.
> Note how the prop is well below the waterline.
>
> [cid:image003.jpg at 01D8897B.1DDD8870]
>
> Roger Pihlaja
> S/V Dynamic Equilibrium
>
>
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
>
> From: Lee Kuhn<mailto:lvjkuhn at gmail.com>
> Sent: Sunday, June 26, 2022 9:48 AM
> To: The Rhodes 22 Email List<mailto:rhodes22-list at rhodes22.org>
> Subject: [Rhodes22-list] Centerboard Drag and 6hp Speed
>
> 1.  I was motoring around the lake the other day trying to get the ten
> hours of break-in period on my new outboard.  That's a lot of motoring when
> I could have been sailing.  I was going 3.5 mph with the diamond
> centerboard in the up position.  I lowered the board and it slowed me down
> to 3.4 mph.  May not be surprising to a lot of you but I'd thought it would
> have slowed the boat down morre.
>
> 2,  My old motor was a 9.9hp.  I thought that a 8hp would be ideal for our
> boats but I went down to a 6hp because of the weight difference,  Not sure
> if I can manhandle the smaller engine on and off the boat but I can
> probably find some kid who can.  At slightly less than one third throttle
> the Tohatsu long shaft moved the boat at 5.1 mph in calm waters.  It will
> be interesting to see what it can do in a strong headwind.
>
> Lee
> 1999 Rhodes22  AT EASE
> Claytor Lake, VA
>
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