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pTooner wrote:
> "ELIPPSE" <elippse@sbcglobal.net> wrote in message
> news:1151105526.799037.278130@p79g2000cwp.googlegroups.com...
> >
> > pTooner wrote:
> >> Firstly, I'm new here although I have been reading for a few days. For
> >> anyone with more knowledge than I, I keep considering building a small 4
> >> wing aircraft. Not stacked, but two up front and two in the rear. I
> >> have
> >> read frequently of problems supposedly resulting from interference of the
> >> airflow between wings, but I cannot seem to find anything very specific.
> >> I am
> >> fairly confident that interference between the front wings (or rear) can
> >> be
> >> minimized by reasonable spacing and differing dihedral. I am not sure
> >> what
> >> the effect of the airflow coming off the front wings will have on the
> >> rear
> >> set. I do not know whether I could remove most of the problem by having
> >> one
> >> set considerably higher (how much?) than the other set or if it is
> >> reasonable to have them on more or less the same height. The reason for
> >> the concept is trying to get a wingspan small enough to fit into a normal
> >> garage and conceivably take off and land from streets and highways. I
> >> visualise something in a two place plane that would fall into something
> >> of
> >> the appeal category of a motorcycle or small sports car. Any thoughts
> >> would
> >> be appreciated.
> >>
> >> Gerry
> > Look up "Monk Factor"!
> >
> In quotes that term doesn't bring any reponse in google. Without quotes it
> brings an unmanageable amount but doesn't appear to have anything to do with
> aerodynamics. Can you elaborate a bit?
> Gerry
Hi, Gerry! Munk factor has to do with the effect multiple wing
placement has on the induced drag of tandem wings and biplane wings.
Darrol Stinton in his book "The Design Of The Aeroplane" has an
excellent, easy to understand section on it, with lots of graphs!
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Re: questions on multi-wing planforms
