From:	Matthew Waddilove <m_waddilove@*******.COM>
Subject:	Re: Vehicle Economy (was RE: What is a CF?)
Date:	Thu, 7 May 1998 05:12:11 PDT

"Jeremy \"Bolthy\" Zimmerman" wrote
>
<Huge SNIP>
>
>I'm still trying to figure out where a man-sized or smaller rotor drone
>fits 120 liters of fuel.
>

I've got other problems with fuel like why does it take 1 CF to hold 50L
of fuel because
1 CF = 0.125m^3 and
50 L = 0.05m^3
so where does the other .075m^3 go????

I'm not saying that I want 125L from 1 CF (well it would be nice:) ) but
loosing 75L of volume seems extreme.

I'll just do some calculations to see if I can come up with a more
reasonable value.

1 CF = a .5 m cube(for simplicities sake I use a cube)
so if we take 2.5 cm from every side of the cube for mountings and the
fuel line we get a tank that's a .45m cube which yields a volume of
.091125 m^3 ~= 90L

I've been playing with other figure's but I'll leave it there so as not
to bore you all.

what does everyone think?





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