Hi,
I've made a small movie about the contest in Nijmegen. You can watch it via
the next URL:
http://www.youtube.com/watch?v=rAUy953qUSM
Kevin
2008/3/21, RLBailey_at_care4free.net <RLBailey_at_care4free.net>:
>
> Mark
>
> You may well be right. Generally I don't find much change needed from one
> day to the next unless it's a big change in conditions. One has to decrease
> the tail incidence slightly in the salt mine compared with a surface site;
> why, I don't know. See you tomorrow.
>
> Bob
> ----- Original Message -----
> From: markbenns
> To: Indoor_Construction_at_yahoogroups.com<Indoor_Construction%40yahoogroups.com>
> Sent: Tuesday, March 18, 2008 6:42 PM
> Subject: [Indoor_Construction] Re: F1D in Cat 1 Ceiling
>
> Bob
>
> You maybe correct but i do think the air conditions on day 2
> contributed to the lack of improvement in our times. Maybe your
> incidence was correct (not over elevated) for day 1 when more
> stable/buoyant?
>
> If you remember both of us had the dramatically change our pre load
> to effect the change, this also may well be just the poor air
> conditions.
>
> My wing was actually flying on my 4th string models stick & tailboom
> (not wanting to risk the trials model) but appeared to be very close
> to its predecessor (tipped wing). The prop was a new 19" 28deg.
>
> Mark
>
> --- In Indoor_Construction_at_yahoogroups.com<Indoor_Construction%40yahoogroups.com>,
> <RLBailey_at_...> wrote:
> >
> > Mark
> >
> > On chewing over the F1D flying, I strongly suspect that my model
> was flying overelevated. It seems that it can go too nose up,
> resulting in too much drag and the prop having to run faster despite
> the low flying speed. The let down is then liable to be rubbish since
> in effect the motor is too thin. You may have had the same trouble.
> >
> > It seems possible that this setup is inconsistent in behaviour from
> one flight to the next as if there might be more than one stable wing
> angle of attack for the same set up.
> >
> > I remember Tony Young at Chobham telling me many years ago that he
> had an A/2 with 2 flying speeds!
> >
> > What do you think?
> >
> > Bob
> >
> >
> > Did you change the tail incidence when you put the nice new wing on?
> >
> > ----- Original Message -----
> > From: markbenns
> > To: Indoor_Construction_at_yahoogroups.com<Indoor_Construction%40yahoogroups.com>
> > Sent: Monday, March 17, 2008 4:20 PM
> > Subject: [Indoor_Construction] F1D in Cat 1 Ceiling
> >
> >
> > Having flown full motors under a 25ft Ceiling for the first time
> i have
> > to say its a nailbiting experience getting the models to fly upto
> the
> > ceiling allow them to drop before the VP kicks in to take them
> back up
> > again. It seems alien to fly like this but terribly impressive
> when it
> > works if not a triffle nervy a few feet from the floor on the
> first
> > decent.
> >
> > If you havent tried this rollercoaster give it a go its actually
> a real
> > scream if not a bit fiddly.
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
> [Non-text portions of this message have been removed]
>
>
>
[Non-text portions of this message have been removed]
Received on Mon Mar 24 2008 - 05:57:12 CET