E-flite P-51D Mustang Instruction Manual download pdf (Page 11)

Flying Tips and Repairs

Consult local laws and ordinances before choosing a ﬂ ying location.

Range Check your Radio System

Before you ﬂ y, range check the radio system. Refer to your speciﬁ c transmitter

instruction manual for range test information.

Oscillation

Once the AS3X system is active (after advancing the throttle for the ﬁ rst time),

you will normally see the control surfaces react to aircraft movement. In some

ﬂ ight conditions you may see oscillation (the aircraft rocks back and forth on

one axis due to overcontrol). If oscillation occurs, decrease airspeed. If oscilla-

tion persists, refer to the Troubleshooting Guide for more information.

Takeoff

Place the aircraft facing into the wind. Set your transmitter in low rate and

use your ﬂ aps switch to drop the ﬂ aps to takeoff or “half position”. Gradually

increase the throttle to ¾ and steer with the rudder. Flaps make takeoffs

shorter. As the tail comes off the ground, pull back gently on the elevator.

When airborn, ﬂ ip your gear switch to raise your landing gear. Climb to a com-

fortable altitude and then ﬂ ip your ﬂ aps switch to level the ﬂ aps.

Flying

Fly the aircraft and trim it for level ﬂ ight at 3/4 throttle. After landing, adjust the

linkages mechanically to account for trim changes and then reset the trims to

neutral. Ensure the aircraft will ﬂ y straight and level with no trim or sub-trim.

Tip: If using more than 8 clicks of ﬂ ight trim, mechanically adjust the linkage

so less trim is needed, or AS3X operation may be affected.

Landing

For your ﬁ rst ﬂ ights with the recommended battery pack (EFLB22003S30), set

your transmitter timer or a stopwatch to 5 minutes. After ﬁ ve minutes, land the

aircraft. Adjust your timer for longer or shorter ﬂ ights once you have ﬂ own the

model. If at any time the motor pulses, land the aircraft immediately to

recharge the ﬂ ight battery. See the Low Voltage Cutoff (LVC) section for more

details on maximizing battery health and run time.

Land the aircraft into the wind. Use high rate Elevator for landings. Use a small

amount of throttle for the entire descent. Lower the throttle to ¼ and ﬂ ip your

ﬂ aps switch to deploy the ﬂ aps to the landing or “full down position”. Flaps

will make the landing approach steeper and slower, and allow for a

smoother landing. Flip your gear switch to lower your landing gear. This will

slow the aircraft further.

Keep the throttle on until the aircraft is ready to ﬂ are. During ﬂ are, keep the

wings level and the aircraft pointed into the wind. Gently lower the throttle

while pulling back on the elevator to bring the aircraft down on the front

wheels (two point landing). The aircraft can also be landed on all three wheels

(three point landing). When the aircraft touches down, reduce back pressure on

the elevator stick to keep the aircraft from becoming airborn again.

If landing on grass, it is best to hold full up elevator after touchdown and when

taxiing to prevent nosing over.

Once on the ground, avoid sharp turns until the plane has slowed enough to

prevent scraping the wingtips.

NOTICE: If a crash is imminent, reduce the throttle and

trim fully. Failure to do so could result in extra damage

to the airframe, as well as damage to the ESC and

motor.

NOTICE: After any impact, always ensure the receiver

is secure in the fuselage. If you replace the receiver,

install the new receiver in the same orientation as the

original receiver or damage may result.

NOTICE: Crash damage is not covered under warranty.

NOTICE: When you are ﬁ nished ﬂ ying, never leave the aircraft in direct sunlight

or in a hot, enclosed area such as a car. Doing so can damage the foam.

Low Voltage Cutoff (LVC)

When a Li-Po battery is discharged below 3V per cell, it will not hold a charge.

The ESC protects the ﬂ ight battery from over-discharge using Low Voltage

Cutoff (LVC). Before the battery charge decreases too much, LVC removes

power supplied to the motor. Power to the motor pulses, showing that some

battery power is reserved for ﬂ ight control and safe landing.

Disconnect and remove the Li-Po battery from the aircraft after use to prevent

trickle discharge. Charge your Li-Po battery to about half capacity before stor-

age. During storage, make sure the battery charge does not fall below 3V

per cell. LVC does not prevent the battery from over-discharge during storage.

NOTICE: Repeated ﬂ ying to LVC will damage the battery.

Tip: Monitor your aircraft battery’s voltage before and after ﬂ ying by using a

Li-Po Cell Voltage Checker (EFLA111, sold separately).

Repairs

Thanks to the Z-Foam

™

material in this aircraft, repairs to the foam can be

made using virtually any adhesive (hot glue, regular CA, epoxy, etc). When parts

are not repairable, see the Replacement Parts List for ordering by item number.

For a listing of all replacement and optional parts, refer to the list at the end of

this manual.

NOTICE: Use of CA accelerant on your aircraft can damage paint. DO NOT

handle the aircraft until accelerant fully dries.

WARNING:

Always decrease

throttle at propeller

strike.

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E-flite P-51D Mustang Instruction Manual Page 11

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