Mattias, I was having a senior moment - the fuel tank, of course is not
forward of the spar but above and behind. I don't think that affects the
argument though. To make the Europa a workable 4 seater I guess you need a
longer fuselage to give a greater range of allowable C of G David Joyce-----
Original Message -----
From: "David Joyce" <davidjoyce@doctors.org.uk>
Subject: Re: Europa-List: Wing tanks
<davidjoyce@doctors.org.uk>
>
> Mattias, The normal fuel tank is in front of the spars, but behind the C
of
> G mid range, so that filling up the tanks puts the C of G back. more of a
> snag with the idea of making it a 4 seater is that luggage puts the Cof G
> back considerably more because of the greater moment arm. In fact the
> possible combinations of pilot range 120-450lbs /fuel 0-110lbs &
> baggage0-80lbs uses up the entire permissible C of G range (58.0 to
62.5").
> The following figures for my mid weight 914/XS illustrate the problem:
> Wt of pax Wt of fuel Wt of bags C of G posn
> Shift of C of G
> 200 0 0
> 58.42 -
> 200 110 0
> 60.03 1.61
> 200 110 80
> 62.22 2.19
> 400 0 0
> 58.01 -
> 400 110 0
> 59.48 1.47
> 400 110 80
> 61.21 1.73
> If you take a small (120lb) pilot or two large ones (450lbs) you readily
> reach the extremes of the CofG range. I am very attracted to the idea of
> wing tanks to increase the range but am deeply suspicious of the idea of
> making it into a 4 seater or even a 2+2. Regards, David Joyce, G-XSDJ
>
>
> ----- Original Message -----
> From: "Rosen, Mattias" <MRosen@harmanbecker.com>
> To: "FILETIME=[D7905D40:01C4BAA1]" <europa-list@matronics.com>
> Subject: AW: Europa-List: Wing tanks
>
>
> <MRosen@harmanbecker.com>
> >
> > Duncan,
> >
> > Thanks for these inpiring words. Ever since the day I first heard about
> the DynAro 4S (four-seater Ban-Bi) I have been tempted to trading my
Europa
> kit for an MCR 4S. The big problem was that I really wanted Europa's
> detachable wings, and I didn't really need a "real" four seater, but
rather
> a 2+2 (back seats being something like what you will find in a
seven-seater
> VW Touran or Opel Zafira). If the Europa can be converted to a 2+2 seater,
> it is really the perfect plane for me :-)
> >
>
>
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