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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-499349@logan.com>
Subject: Re: [FlyRotary] FW: Error in presentation calculations
Date: Thu, 4 Nov 2004 20:36:16 -0500
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> Hang on George there is a lot more on this as soon as Bill sends me the
> complete pdf on the whole paper. The stock water pump pumps up to 50 gal
per
> minute
> as I recall and consumes 3 HP. If you are thinking of an electric pump
> that would be 172 amps at 13 volts at 100% efficiency. If the electric
motor
> was 80% efficient that would be 215 amps!
>
> Paul Lamar
>
> The Rotary Engine NewsLetter.  Powered by Linux.
> ACRE NL web site. http://home.earthlink.net/~rotaryeng/
> Copyright 1998-2004 All world wide rights reserved.
>
> ------ End of Forwarded Message


Well, again - here is clear proof  (above) that you folks flying sucessfully
with Electric water pumps ( drawing magnitude of power less) simply can not
be doing so {:>).!

 But, the good news is  there has been progress, it used to take 16 HP to
drive the mechanical water pump and now it only takes 3 HP.  So should
progress continue at this rate, I would estimate that the HP requirement for
water pumps should drop to within the practical range of electric water
pumps within this decade.  So if you can hold off on your outlandish and
simply improbably claims to have flow sucessfully with an electrical water
pump until say 2010 then it should be OK.(tongue in cheek of course).

Ed Anderson

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