clubs in your area. It is within such groups that
knowledgeable, experienced individuals can be found
to assist you.
Assuming that the radio system (airborne and transmit-
ter) are fully charged and thatyourengine is completely
broken-in and reliable, let's head for the flying field.
Fuel the tank and turn the radio system on. At this point
we always suggest a radio range check, per the equip-
ment manufacturer's directions. With the engine warm-
ed up and running at idle, point the airplane directly into
the wind and advance the throttle smoothly. As with
most "tail-draggers", the Elder Biplane will require a small
amount of right rudder to keep the initial take-off roll on a
straight heading. With a little experience you will be able
to keep the model quite straight during take-off. Since
the Elder Biplane needs so little flying speed, the tail will
come up almost immediately and shortly thereafter it
will be flying. Keep it headed straight into the wind in a
shallow climb; don't "horse" it up with excess elevator.
Once sufficient altitude is reached, try some turns to get
used to the handling characteristics. With the throws
that we've suggested, the ailerons should be positive
but not jumpy. Once you have the airplane trimmed out
to suit you, try the throttle, at altitude and get the feel for
the slow-speed characteristics. At lower speeds, the
rudder is quite effective. Like most aircraft that use flat-
bottom airfoils, the Elder Biplane will naturally want to
climb at higher throttle settings and settle at low throt-
tle. A point somewhere in-between these two throttle
settings will provide the "cruise" speed. This setting
will vary with the engine size, flying weight and wind
conditions.
With flying time experience you will find that the Elder
Biplane is quite aerobatic and a great deal of fun to fly;
loops from levelflightJeftandrightsnaprollsand spins,
biplane-type rolls and even inverted flight, with practice.
Touch and go's are super with this design.
Landings can be as slow and predictable as you'd like,
just remember to maintain your heading into the wind
and enough power to compensate for drag. We've found
that the Elder Biplane steers quite satisfactorily on the
ground with deflected rudder and short bursts of power.
If you've opted for the steerable tailskid, just hold a bit of
up elevator to keep the tail down and steer it like you
would any other design.
We at Top Flite Models, Inc. and Hal Parenti, sincerely
hope that this has been a rewarding project for you and
that the time spent at the building board will be reward-
ed with many, many enjoyable hours spent at the flying
field with your Elder Biplane!
INDEX
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRE-CONSTRUCTION NOTES . . . . . . . . . . . . . . . . . . . . 2
UPPERWING ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . 3
LOWERWING A S S E M B L Y . . . . . . . . . . . . . . . . . . . . . . . . 5
TAILGROUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FUSELAGEASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . 8
WIRE PARTS ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . 12
I. LANDINGGEAR . . . . . . . . . . . . . . . . . . . . . . . 1 2
II. TAILSKID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3
III. INTERPLANESTRUTS . . . . . . . . . . . . . . . . . . 1 4
IV. FUSELAGECABANESTRUTS . . . . . . . . . . . . 14
FINALASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
COVERING&FINISH . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6
RADIO INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PRE-FLIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
FLYING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8
19
Содержание Elder Biplane RC-37
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