Troy-Bilt Pilatur PC-21 Instruction Manual
Pilatur PC-21
Specification:
Length :2070 mm(81.5")
Wing Span :1800 mm(71")
Wing Area :55.8 sq. dm
6.0 sq. ft
Wing Loading :123.7 g/sq. dm
40.6 oz/sq. ft
Flying Weight :6.9 kg(15.2 lbs)
Radio :6ch&9 servos
Engine :120 4-cycle
SAFETY PRECAUTIONS
INSTRUCTION MANUAL
First-time builders should seek advice from people having building
experience.If misused or abused,it can cause serious bodily injury
and damage to property.
Fly only in open areas and preferably at a dedicated R/C flying site.
We suggest having a qualified instructor carefully inspect your
airplane before its first flight.Please carefully read and follow all
instructions included with this airplane,your radio control system
and any other components purchased separately.
(The people under 18 years old is forbidden from flying this model)
This R/C airplane is not a toy!
: 120 - 4cycle
15"x7
4
" Spinner nut
6
(with 9 servos),
6
6
6 channel radio for aiplane is highly recommended for this model.
Warning
Remove the covering with proper
pressure to cut through only the covering itself.Otherwise,
cutting down into the balsa structure may weaken the
model part and cause accident.
The pre-covered film on ARF kits may wrinkle due to
variations of temperature.Smooth out as explained right.
Apply epoxy glue.
Pre-cover the covering with clean cloth!
Start at low setting. Increase the setting if
necessary.If it is too high,you may damage
the film.
Iow setting
with cover(cloth)
6
Pin hinge(24x24mm)
Make sure hinges are
mounted in the same line.
1mm
Aileron
Tailing
edge
Make sure they are in
the right position while
installing.
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
8
6
2
2
2
4
2
2
2
2
Clevis
Rod (2x300mm)
Retainer
TP Screw (2.3x12mm)
Wooden Block
(20x20x8mm)
Servo tray(68.5x56.5x2mm)
Pin hinge(24x24mm)
Screw (3x35mm)
Washer(3x15mm)
2
Washer(3x15mm)
Lock Nut (3mm )
Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
Install the nylon control horn and connect the linkage.
Install the servo as the illustration below.
Assemble the aileron to main wing with instant type
CA glue.
Keep some space about 1mm width between aileron
and trailing edge.
Accessory list for the coming installation steps.
Apply instant type CA glue to aileron and pin hinge.
1
2
3
4
5
1
3-way
pressure inlet
Air tank
3-way
pressure inlet
3-way
pressure inlet
3-way
pressure inlet
3-way
pressure inlet
Switch
Air inlet
Strut
Strut
Strut
Quick release connector
Make sure to assemble retracts as instructed below.
Three wheel retract system
Quick release connector
Pressure reduction inlet
Ø1.7mm
Ø0.2mm
The status when the
gear up
Pull out length of 8mm
to make gear down
Air valve
Air valve
Pleas notice the inner diameter for each
side of the pressure reduction inlet.
Please insure the sealing of the retract
system before flight .
3-way pressure inlet
5
1
Air tank
1
Air inlet
2
1
1
Air line (3000mm)
2
Quick release connector
Strut
( 90 )
1
Strut ( 110 )
Switch
Clevis
Rod (2X300mm)
1
1
1
Retainer
TP Screw(2.6x14mm)
2
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