--- In Indoor_Construction_at_yahoogroups.com, Warthodson@... wrote:
>Does anyone have an opinion as to what few degrees downward thrust
might do for you in climb phase? Will it hurt you when your cruise
phase is over?
At Sci Oly last year some students had their planes flying ever so
flat and climbing ever so slow. Prop seemed to be slow so I think
prop pitch was on the high side.
Pete
>
>
>
>
> ____________________________________
> From: Warthodson
> To: Indoor_Construction_at_yahoogroups.com
> Sent: 11/26/2008 9:54:31 A.M. Central Standard Time
> Subj: low ceiling high duration
>
>
> I am interested in hearing what strategies seem to work for
increasing
> duration in cluttered low ceiling sites. Particularly sites where
it is not
> practical to spend much time "scrubbing" because of the clutter &
high likelyhood
> of getting hung up. Assume making the airplane (less rubber)
lighter is not an
> option.
> Are airfoils with greater camber of any help? Would you agree that
for high
> ceiling sites, cambers seem to be 3% to 5%? How about low
ceilings?
> In categories with no limit on rubber weight what seems to be
better:
> Low pitch props & thin rubber or higher pitches & thicker rubber,
or some
> other combination? I.E. How do you optimize the "area under the
curve" of the
> rubber when you are limited to a low ceiling & minimal scrubbing?
> Thanks,
> Gary
>
>
>
>
>
>
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Received on Sat Nov 29 2008 - 10:38:57 CET