On Sunday 02 December 2001 05:25 pm, you wrote:
> On Mon, 3 Dec 2001 11:04, you wrote:
> > On Sunday 02 December 2001 02:07 pm, you wrote:
> > > On Mon, 3 Dec 2001 03:22, you wrote:
> > > > OK,
> > > > JSBSim now supports retractable gear.  I have built flightgear with
> > > > it and it works.  Note that if the gear are not fully down, they
> > > > essentially don't exist as far as JSBSim is concerned.
> > >
> > > This could be a problem. IIRC aircraft like the DC-3 never fully
> > > retract their gear. The gear in the DC3 only goes half way into the
> > > engine. Can JSBSim handle this?
> >
> > Well sort of, you could define two contact points for each gear one up,
> > and one down and that would cover the fully retracted case.
>
> Yeah but I'm talking about the drag situation. The wheels create drag even
> when retracted in this aircraft. Can you have some drag that gets created
> even when retracted?

All you need is an increment for gear down.  The gear up drag, if there is
any, is in the basic drag for the airplane.

>
> David
>
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-- 
Tony Peden
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We all know Linux is great ... it does infinite loops in 5 seconds. 
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