Friday, June 1, 2012

Re: [Electric Boats] Electric Rowboat for 100 mile race

 

The NCC is a WaterTribe event (a la the Everglades Chllenge), really oriented toward human and sail powered transport. For a while they permitted some limited electric power on an experimental basis, but I don't see any mention of it being allowed on the current website pages. With there being no official electric powered or assisted race class, any participation by an electric boat would be unofficial as best I can tell, and I'm not sure you would even be permitted to enter.

http://www.watertribe.com/Events/NorthCarolinaChallenge/Default.aspx
http://watertribe.org/boat-classes/

If there's some info showing otherwise, I'd like to hear of it! If not, maybe we need to set up our own North Carolina Electric Challenge over the same course!

Neil

--- In electricboats@yahoogroups.com, Ned Farinholt <nedfarinholt@...> wrote:
>
> Tom,
> This sounds like great fun! I competed and won the Wye Island Electric Boat Marathon last year. 25 miles at 10 mph using a 1967 15' Starcraft aluminum utility powered by a Torqeedo 4R with the hi pitch prop and supplied by 16 cell LiFePO4 160 Ah battery.
>
> Can you please send me info on the race in North Carolina? I may be interested in entering.
> Ned
> nedfarinholt@...
>
>
>
> ERGED ON
> 1967 STARCRAFT UTILITY
> 15' X 5' OVERALL 14.2' X 4.5' LWL
> HULL: 300 LBS
> BATTERY: 200
> MOTOR: 50
> MISC: 50
> TOTAL: 600 LB
> CAPTAIN: NED FARINHOLT PORT: WINCHESTER, VA
>
> SPEED VS POWER
> 800 LBS DISPLACEMENT
> KW MPH
> 0.2 3.5
> 0.4 4.5
> 1.0 6.3
> 2.0 8.5
> 3.0 10.5
> 4.0 12.0
>
> RANGE VS. SPEED
> 800 LBS DISPLACEMENT
> MPH MILES
> 10 25
> 7 40
> 5 70
> 4 100
>
> On May 31, 2012, at 9:47 AM, tom_the_rower wrote:
>
> > I would like to participate in a 100 mile race in the outer banks of North Carolina in September. My 20 ft, high sided sliding seat rowboat, with 10 ft oars is the primary propulsion, and I currently run a 12 volt trolling motor with a long shaft and a group 27 deep cycle battery. I row every night, big wind or flat water 8-10 miles and have done a 20 mile day. I plan to add a pop up sail for when the wind is with me and also a parafoil sled kite as well. The rules state that I can use electric, but cannot recharge from shore, only solar. I would start on a Friday morning and must finish by Sunday at noon. Most people seem to paddle/sail 20 hours per day and sleep for 4, so some night time usage is anticipated. I would probably try to limit my usage to oncoming wind, which is tough to row in, unless LIPO 48 v would allow me to make the trip using the motor all the time. In either case, I will row continuously, so again, electric is not the only means of propulsion.
> >
> > I understand that Torqueedo initially came out saying their props were super efficient, but I have heard that that was just marketing.
> >
> > My boat weighs 180 lbs, plus I weigh 180 plus maybe 50 pounds of gear for 3 days.
> >
> > Any advice you can offer is most welcome.
> >
> > Tom the rower
> >
> >
>

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