Weight limit discussion
BUDDYonRC at aol.com
BUDDYonRC at aol.com
Fri Feb 25 15:32:12 AKST 2005
In a message dated 2/25/2005 6:13:19 PM Central Standard Time, tbrox at cox.net
writes:
One must remember history to help here. Has any past changes ever brought
the cost of pattern down? I believe it has always made it more expensive such
as what happened with engine displacement.
I am envisioning a new pattern plane for the new weight.
It will be a monoplane, 78" ws, 78" length, fuse height 18", fuse width 10",
wing root 25", wing tip15", 15degree sweep at the quarter chord, 12% airfoil
making the wing root 3" thick, stab 28" and nearly 2" thick.
I hope it doesnt look exagerated, but I would be afraid this would be
the trend. Obviously I dont know to what extent the poor flying quality of
this kind of design would be, but who knows what could happen.
Classic case of opening one door into a room full of doors.
Terry
You know more about pattern design than that. The engine required to pull
that monster will surely weigh in at four pounds add gear, radio exhaust system
for another four pounds and covering or paint of a half pound that means the
airframe will have to be three and a half pounds. you better start looking
for weightless balsa. Be sure to install giant control surfaces so you will be
able to use it as a fun fly and all your effort wont be wasted
Buddy
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