GREAT PLANES L-39 Buku Petunjuk - Halaman 14
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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 L-39 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.
OTHER ITEMS AVAILABLE FROM GREAT PLANES
™
™
ElectriFly
Triton
Jr.
DC Computerized Peak Charger, Discharger & Cycler
Perfect for smaller-sized, electric aircraft!
It's the compact, more affordable version of the Triton2! While it may not have all the features of its big brother, the Triton Jr. can still handle
many of your charging needs. It works with all the same types of batteries (NiCd, NiMH, LiPo and lead-acid), and has the same blue
backlit LCD screen. The Triton Jr. can charge at up to 5 amps, discharge up to 1 amp, or cycle up to 5 times — and programming is very
straightforward on the rugged, 4-direction membrane touchpad. At just over 4-1/2" long, 3-1/2" wide and 13 oz, the Triton Jr. fi ts easily into
any fi eld box, and the unit is enclosed in a durable aluminum case. GPMM3152
Battery Types, # of Cells: 1-14 NiCd/NiMH
1-4 LiPo/Li-Ion (3.6 or 3.7V cells)
2, 4, 6, 8, 10, 12V Pb
Fast Charge Current:
0.1-5.0A NiCd/NiMH (0.1A step, 63W max.)
1C rating LiPo/Li-Ion (63W max.)
Peak Delay at Start:
3 minutes fi xed
Flight
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 L-39 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!
Discharge Current:
Cycle Count:
Battery Memory:
Display Type:
Case Size:
Weight:
14
Landing
0.1-1.0A (o.01 step, 5W max.)
1 only, C>D or D>C
One
2 x 16 LCD, blue backlight
4.7" x 3.6" x 1.2"
13.1 oz.