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Troy Built Models B-25 Mitchell Instruction Manual

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B-25 Mitchell
Specification:
Length
:1935 mm(76.2")
Wing Span
:2420 mm(95")
Wing Area
:77.6 sq. dm
7.82/sq.ft
Wing Loading :128 g/sq. dm
42 oz/sq. ft
Flying Weight :10 kg(22.1 lbs)
Radio
:6ch&13 servos
Engine(a pair) :91 4-cycle
SAFETY PRECAUTIONS
INSTRUCTION MANUAL
This R/C airplane is not a toy!
(The people under 18 years old is forbidden from flying this model)
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.

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Summary of Contents for Troy Built Models B-25 Mitchell

  • Page 1 B-25 Mitchell Specification: Length :1935 mm(76.2") Wing Span :2420 mm(95") Wing Area :77.6 sq. dm 7.82/sq.ft Wing Loading :128 g/sq. dm 42 oz/sq. ft Flying Weight :10 kg(22.1 lbs) INSTRUCTION MANUAL Radio :6ch&13 servos Engine(a pair) :91 4-cycle This R/C airplane is not a toy!
  • Page 2 (with 13 servos), 6 channel radio for aiplane is highly recommended for this model. : 4-cycle .91 Spinner nut " Apply Pre-cover the covering with clean cloth! Warning Start at low setting. Increase the setting if Remove the covering with proper necessary.If it is too high,you may damage pressure to cut through only the covering itself.Otherwise, the film.
  • Page 3 Assemble the aileron to main wing with instant Accessory list for the coming installation steps. type CA glue. Three wheel retract system Clevis Retainer Rod (2x300mm) Make sure to assemble retracts as instructed below. TP Screw (2.3x12mm) Screw (3x40mm) Servo tray(68.5x56.5x2mm) Wooden Block(20x20x8mm) Pin hinge(24x24mm) Washer(3x15mm)
  • Page 4 Leave some space with width of 1mm between Secure the servo.Install the nylon control horn and Centre of Gravity. trailing edge and flap. connect the linkage. TP Screw (2.3x12mm) Trailing edge Rod (2x300mm) Flap 1.5mm Screw (2x10mm) Lock Nut (3mm ) Washer(3x15mm) Washer Screw (3x40mm)
  • Page 5 Epoxy the nose landing gear to appropriate position Keep some space of 1mm width between the flap Adjustment. Install the nylon control horn and connect the linkage. inside the fuselage. and trailing edge. Trailing Retainer edge Rod (2x300mm) ELEVATOR Flap Top view Clevis 20mm...
  • Page 6 Epoxy the decoration part to the fuselage carefully as Glue these PVC parts to relevant position on Install the main landing gear and fix it to the wooden Install the nylon control horn and connect the linkage. the wings with CA glue. below.
  • Page 7 Epoxy plies to appropriate position in the fuselage under The front view and side view when the engine install the PVC part and assemble the PCV part to the fuselage Assemble the accelerator push rod to the engine. Epoxy the PVC part to the fuselage carefully as below. completion.
  • Page 8 Cut off the surplus part carefully along the shaded Assemble the throttle servos in the fuselage. Assemble the switch servo to the fuselage. Assembly of the fuel tank line. Air pressure line Fuel spray line Fuel supply line Epoxy plies to appropriate position in the fuselage which Epoxy the belly pant to main wing and drill holes to Accessory list for the coming installation steps.
  • Page 9 Cut off the surplus parts carefully along the Assemble the main landing gear. Trim the surplus portion for assemble the nose gear freely. Assemble the steeling fullarm around the landing gear. shaded line the and epoxy them to yhe cowling. 10mm 1.5mm Decorate...
  • Page 10 The standard sketch map when the main wing install Epoxy the side fuselage to the mid wing steadily. Assmble the stabilizer to the tail of fuselage with screw. Cut off the surplus portion carefully along the shaded line. completion. Screw (3x40mm) Washer(3x6mm) A"...
  • Page 11 Install the nylon control horn and connect the Epoxy the wood dowel in the holes and set the hook Accessory list for the coming installation steps. Assmble the wing to the side fuselage tightly. screw to appropriate position linkage. Hook screw Main wing joiner(24x350mm) Wood dowel (6x50mm) Retainer...
  • Page 12 Trim the covering carefully to appropriate position in the Drill one small hole at appropriale position and Apply Keep 1mm width space between horizontal tail and The standard sketch map will be as below when tailplane and epoxy the tailplane servo mount to the ready instand type CA glue to elevator and pin higes.