[Public-List] Alberg Power Consumption

Mike Lehman sail_505 at hotmail.com
Fri May 23 13:18:41 PDT 2008


Bob,
 
I remember seeing a power curve chart for the Atomic 4 and at 1400 RPM you are only getting 10HPMike Lehman  ><((((º>`·.¸¸.·´¯`·.¸><((((º>`·.¸¸.·´¯`·.¸><((((º>  > Date: Fri, 23 May 2008 15:59:16 -0400> From: isobar at bcpl.net> To: public-list at lists.alberg30.org> Subject: [Public-List] Alberg Power Consumption> > Dan... That'd be fascinating; please tell us more. I'd like to know how it > turned out. My guess is, good for in-and-out, but less good for long cruising.> > I would also guess that your electric propulsion could answer a question > that always intrigued me: Just how much horsepower does it take to run an > A30? There's been a lot of discussion on how much power an Atomic 4 really > puts out, and whether you need a 12HP or 15HP diesel, etc. Now we can find > out; with an electric motor, you can measure it directly. For instance, > how many amps do you draw (and at what voltage drop) cruising at 5 Kts? > That's the true horsepower it takes to push the boat along. [My guess: > 6KW]. I'd guess you have an ammeter (& voltmeter) to measure the draw in > real time, and do not need to rely on manufacturer's specs.> > Also, what does she draw at full power and at, say, 2 Kts slow > cruise? If I remember the sea stories about WW2 submarines, they could go > 2 days underwater at 2 Kts, but only a half-hour at full speed. Are you > similar?> > How much battery do you carry?> > Bob Kirk> Isobar 181> > At 02:03 PM 5/22/2008, dan walker wrote:> >bob, if that was me you were referring to, i did go elelctric, and thus > >far i have been very pleased. i did do a short follow up, but no dog and > >pony show yet because i want to do more "sea trials"> >dan> >rascal 145> > _______________________________________________> These businesses support your Association:> http://www.alberg30.org/store/A30supporters.html> Please support them.> _______________________________________________> Public-List mailing list> Public-List at lists.alberg30.org> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
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