From: "Dan" <danstrider@...>
Date: Wednesday, October 2, 2002 4:16 PM
Subject: Re: Wide Bug
Date: Wednesday, October 2, 2002 4:16 PM
Subject: Re: Wide Bug
What is the consensus on how much dihedral to use for the extended
wing? Plans call for 5 1/8" at the tip of the normal wing - are you
simply using the same angle?
Has anyone noticed a difference in adding an extra set of ribs
versus increasing the rib spacing? Besides wing strength with the
extra ribs, would the airfoil be more consistent with more ribs
supporting the covering?
Dan
--- In BugHLG@y..., "John Gospodarek" <John.Gospodarek@i...> wrote:
> Ya Allen You're right, that size of increase is not enough to need
> bigger feathers. I can notice that it is not quite as quick in the
> turns as the short wing but, I found the short wing was almost to
> fast in the turns. With the bigger wing I fly much smoother.
>
>
>
> --- In BugHLG@y..., Allan Wright <aew@m...> wrote:
> > Ahh, then the normal tail should have worked great. My extended
wing
> > bug ended up at 97cm and had plenty of rudder authority.
> >
> > Al
> >
> > >
> > > Allen, I only added 5 in total.
> > >
> > > "I added right at five inches (the space between the 3rd and
> > > 4th rib on both sides is +-2.5 inches). I made a copy of both
> wing
> > > sections and taped the third rib on one down over the forth
rib
> on
> > > the other."
> > >
> > > I added one rib on both side and placed it at the location of
the
> #4
> > > rib (pushing the #4 rib out). That added the space of aprox.
2.5
> in
> > > to each panel. That is about the same as what you added I
think.
> five
> > > inches is about 12.5 cm. I left the tale and boom the same. In
> fact I
> > > change the wings on the same fuse from the short to the long
> > > depending on the day, wind, and lift. I used a little less
> dihedral
> > > than the plans called for by mistake. I did not have the wing
> tips
> > > set high enough when I glued the halfs together.
> > >
> > >
> > >
> > >
> > >
> > >
> > > --- In BugHLG@y..., Allan Wright <aew@m...> wrote:
> > > > > I did it with out recalculation. I built the wing on the
copy
> of
> > > the
> > > > > plans and just installed the rod in the first and last
rib.
> Then
> > > I
> > > > > placed each rib flat on the plans and marked where the rod
> > > crossed
> > > > > the rib to know the location of the hole. That way I did
not
> > > decrease
> > > > > the strength of the wing with less ribs per/span.
> > > >
> > > > this is definately the right way to go if you're adding 5"
per
> > > panel. I
> > > > was more conservative and added about 6cm to each panel with
> the
> > > same
> > > > ribs so I just stretched it out. I'm sure your wing has more
> area
> > > then
> > > > mind did and probably flys better.
> > > >
> > > > Did you go ahead and increase the size of the V-tails or
> lengthen
> > > the moment
> > > > arm (boom) a little to help with maneuverability? My
extended
> wing
> > > was so
> > > > slight of a change I didn't bother.
> > > >
> > > > Al
> > > >
> > > >
> > >
>
=====================================================================
=
> > > =========
> > > > Allan Wright Jr. | Without love life's just a
long
> > > fight - Southside
> > > > University of New Hampshire +--------------------------------
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> > > >
> > >
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=====================================================================
=
> =========
> > Allan Wright Jr. | Without love life's just a long
> fight - Southside
> > University of New Hampshire +------------------------------------
---
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> > Internet: aew@u... | WWI Modeling WWW Page: http://www.wwi-
> models.org
> >
>
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