Hi Lloyd,
I had a couple of flat bottom, plywood fishing boats as a kid growing up
on a lake. The 12' would plane with a 3 hp Johnson. The 14' would run like a
a scalded dog with a 15hp Merc. (Kiefhoffer)

I do recall that loading it up with 6 or 8 other kids kept in displacement
mode. Mostly due to the overload. Made a great bow wave!

Alas. the days of youth.
--
Capt. Frank

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www.home.earthlink.net/~aartworks
"Lloyd Sumpter" wrote in message
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Hi,
I want to design and build a "riverboat" for the Fraser River, with
some
... "unique" design considerations (eg I want it to look ugly because it
will be on a "questionable" dock and I don't want it stolen!). Basically
I'm looking for something between an east-coast fishing dory and Bogie's
"African Queen". Something like Bateau Boat's FL14, but 16 ft, inboard
and
probably not Stitch'n'glue.

Anyway, I need some anecdotal feedback: First, a 16ft boat has a
theoretical hull speed of about 5.5 knots. HOWEVER, I've seen many boats
(such as my 12ft alum) that exceeds hull speed without truly planing
(semi-plane?) Does anyone have some performance numbers for 14-16ft
flat-bottomed skiff as to how fast they go before planing? I'm looking
at
maybe 6-10hp engine.

Second, I'm unfamiliar with how a flat-bottom hull performs in
waves -
are they seaworthy?

Thanks for any comments, stories, etc!

Lloyd Sumpter