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FLYING

IMPORTANT: If you are an inexperienced modeler we strongly

urge you to seek the assistance of a competent, experienced

R/C pilot to check your model for airworthiness AND to teach

you how to ﬂ y. No matter how stable or "forgiving" the Synapse

is, attempting to learn to ﬂ y on your own is dangerous and may

result in destruction of your model or even injury to yourself and

others. Therefore, ﬁ nd an instructor and ﬂ y only under his or

her guidance and supervision until you have acquired the skills

necessary for safe and fully controlled operation of your model.

Launch

We recommend ﬂ ying the Synapse EDF ARF when the wind

is no greater than 16 kmph [10 mph]. Less-experienced

ﬂ yers should ﬂ y the Synapse only in calm (less than ﬁ ve

mile per hour) conditions. Frequently, winds are calm in the

early morning and early evening. Often these are the most

enjoyable times to ﬂ y anyway!

Until you have the Synapse properly trimmed for level ﬂ ight,

we recommend having an assistant hand-launch the model

instead of launching it yourself.

Turn on the transmitter and plug the battery into the speed

control. Turn on the receiver by following the instructions

that came with your speed control. Secure the canopy hatch

in place.

IMPORTANT: Conﬁ rm that the transmitter operates the

controls properly by moving the sticks and watching the

surfaces respond.

When ready to launch, the assistant should hold the Synapse

by the ﬁ nger grips in the lower duct channel half, with the

model in front of him and pointed into the wind. With the pilot

(that would be you!) standing behind the plane, fully advance

the throttle to start the motor. When the motor is at full power,

the hand launcher should gently give the model a toss into

the air with a slightly nose-up attitude. Be certain the model

is being launched into the wind and be immediately ready to

make corrections to keep the airplane ﬂ ying straight, level

and into the wind.

When the model has gained adequate ﬂ ying speed under

its own power, gently pull the elevator stick back until the

airplane starts a gradual climb. Many beginners tend to pull

too hard causing the model to stall, so be gentle on the

elevator and don't panic. If you do pull too hard and you

notice the model losing speed, release the elevator stick and

allow the model to regain airspeed.

Continue a gradual climb and establish a gentle turn (away

from yourself and others) until the airplane reaches an

altitude of 20 to 30 meters [75 to 100 feet].

The main purpose of the ﬁ rst few ﬂ ights is to learn how the

model behaves and to adjust the trims for level ﬂ ight. After the

model has climbed to a safe altitude, reduce the throttle slightly

to slow the model, yet maintain altitude. The Synapse should

ﬂ y well and maintain adequate airspeed at about 1/2 throttle.

Adjust the elevator trim so the model ﬂ ies level at the throttle

setting you are using. Adjust the aileron trim to level the wings.

It may take a few minutes to get the trims adjusted, but this

should be your ﬁ rst priority once at a comfortable altitude.

Continue to ﬂ y around, executing turns and making mental

notes (or having your assistant take notes for you) of what

additional adjustments or C.G. changes may be required to

ﬁ ne tune the model so it ﬂ ies the way you like.

Begin the landing approach by ﬂ ying downwind at an altitude

of approximately 6 meters [20 feet]. When the airplane is

approximately 15 to 30 meters [50 to 100 feet] past you,

gradually reduce power and make the "ﬁ nal" 180° turn into

the wind aligning the airplane with the runway or landing

area. Do not dive the airplane, as it will pick up too much

speed. Instead, allow the airplane to establish a gradual

descent. Concentrate on keeping it heading into the wind

toward the runway. When the plane reaches an altitude of

about 3 feet [1 meter], gently apply a little "up elevator" to

level the plane, but be careful as too much up elevator will

cause it to stall. While holding a slight amount of up elevator

the airplane will slow and descend as it loses ﬂ ying speed,

thus touching-down on the runway.

Until you are able to accurately judge how far the Synapse

can glide, it may be helpful to reserve some battery power to

run the motor so the plane can be ﬂ own back to the runway.

Best of luck and happy ﬂ ying!

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FLYING

Launch

Flight

Landing