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Article #221: The RC Helicopter

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Leonardo da Vinci created on paper, at fly, had very poor control and lacked any
least with the first helicopter, and the tail gyros, radio mixing or any of the
very first piloted helicopter was modern connivances that make today's
invented by Paul Cornu in 1907, however, Helis fly so well and easy. We even had
this design was not successful. Another to mechanically set the lead/lag of the
Frenchman, Etienne Oehmichen built and main blades, until we just left off 2 of
flew a helicopter 1 kilometer in 1924. An the 3 bolts on the main blades and let
early practical helicopter that flew for them seek there our lead/lag.
a decent distance was the German But the RC Model helicopter matured
Focke-Wulf Fw 61 invented by an unknown quickly and by the '80's the RC Model
inventor. ( Helicopter could fly quite nicely, the
Igor Sikorsky is considered to be the radio manufacturers started making good
"father" of helicopters not because he Helicopter Radios, the Helicopters
invented the first. He is called that themselves had the modern style Bell
because he invented the first successful Hiller control system, single point Main
helicopter, upon which future designs Blade attachment for self Lead/Lag and
were based. gyros became common place. Direct drive
So where when did the RC model helicopter or belt drive tail rotors still were
begin? Well I do not know who is used.
credited with the First RC Model In the '80's and '90's the Far East began
Helicopter, but it was in the 70's that to create beautiful Models of all sizes.
the RC Helicopter revolution really And the "Ready To Fly" models became
began. common place. The race was one and the
For the most part, they were all Nitro things they started doing with the RC
powered, using standard Model Airplane helicopter was only limited by ones
engines (40 and .60 size) and 4-6 channel imagination.
airplane radios. I would think that this century is know
Using a 4 channel radio to control the 5 as the "Age of Electrics" and today you
functions of a model helicopter was quit can get an Electric Helicopter in any
unique in it challenges and results. size, (small enough to fix it your hand)
What they did was used a "Y" connector to 40-60 size.
for the throttle and pitch servo. Then And can they ever fly, they are
you mechanically set up the throttle and competitive with your fuel choppers, only
pitch curve on the heli. quiet and no smoke, no starting equipment
In the '70's there were 2 basic type of needed and are fully 3D capable.
Helis, the teetering head, fixed pitch So if you're flying interest lean toward
and soon after came the collective pitch. the rotary wings birds, check out the new
And just like today, some had direct electrics. They make then so simple
drive tail rotors systems while other today that you can buy one, open the box,
went with belt drive. and charge the batteries and fly, even if
The first of these Heli's where hard to you have never flown before!






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