Seagull Models 337 Skymaster Specifications download pdf (Page 36)

CESSNA 337 SKYMASTER Instruction Manual.

36

BALANCING.

 1) It is critical that your airplane be

balanced correctly. Improper balance will

cause your plane to lose control and crash.

THE CENTER OF GRAVITY IS LOCATED

80 MM BACK FROM THE LEADING EDGE

OF THE WING AT THE WING ROOT.

 3) With the airplane upright, place your

fingers on the masking tape and carefully lift

the plane.

 2) Mount the wing to the fuselage. Using a

couple of pieces of masking tape, place them

on the bottom side of the wing

80 mm back

from the leading edge of the wing at the wing

root.

Accurately mark the balance point on the top

of the wing on both sides of the fuselage. The

balance point is located

80 mm back from the

leading edge of the wing at the wing root. This

is the balance point at which your model

should balance for your first flights. Later, you

may wish to experiment by shifting the balance

up to 10mm forward or back to change the

flying characteristics. Moving the balance

forward may improve the smoothness and

arrow- like tracking, but it may then require

more speed for take off and make it more

difficult to slow down for landing. Moving the

balance aft makes the model more agile with

a lighter and snappier ”feel”. In any case,please

start at the location we recommend .

*If possible, first attempt to balance the model

by changing the position of the receiver battery

and receiver. If you are unable to obtain good

balance by doing so, then it will be necessary

to add weight to the nose or tail to achieve the

proper balance point.

With the wing attached to the fuselage, all parts

of the model installed ( ready to fly), and empty

fuel tanks, hold the model at the

marked balance point with the stabilizer level..

Lift the model. If the tail drops when you lift,

the model is “tail heavy” and you must add

weight* to the nose. If the nose drops, it is

“nose heavy” and you must add weight* to the

tail to balance.

M3x6mm.

M3x6mm.

INSTALLATION WING -FUSELAGE

TRUTS.

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