[Public-List] Props and Fuel Returns.

[Michael Grosh]

Checkmate  has a 15 hp. diesel with 2:1 reduction gear. Swinging a 13 X 12
2 blade, it all seems well matched. I don't have a tach, it seems like a
fast idle drives the boat about 5 1/4 knots. Full ahead in calm water gives
over 7 kts. but engine definately laboring at that power. Black exhaust and
water discharge gets  hot quickly.
Michael G

On Wed, Aug 19, 2020, 12:00 charles pleisse via Public-List <
public-list at lists.alberg30.org> wrote:

> I have recently acquired a diesel to replace my atomic 4 and I am curious
> about the various propeller sizes being used with diesels in Alberg 30s. I
> am keen to hear feedback on propeller performance from those of you using 2
> blade propellers with a diesel. Along with your impressions of performance,
> It would be useful to know what engine you have, (maker and HP) and the
> pitch and diameter of your two blade propellers.  There is a lot of help on
> line sizing propellers but nothing beats direct feedback on performance.
> Another concern with this repower is the fuel return.  Since the existing
> engine is gas powered, there is currently no return.  Nor is there any
> additional fixture on the tank to accommodate one.  I was thinking it might
> work well to "T" it on the vent line nearest where it exits the tank. As a
> footnote, the vent opening is quite high inside the nearest stanchion.
>
> Charles Pleisse
> College Park Bicycles
> ( <http://www.bike123.com>301)864-2211
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