Black Horse Model Pitts BH85-A Instruction Manual
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Black Horse Model Pitts BH85-A Instruction Manual

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ALL BALSA - PLY WOOD CONSTRUCTION.
COVERED WITH ORACOVER.
95% ALMOST READY TO FLY
SPECIFICATION
 Wingspan: 1,500mm 59.06 in).
 Length: 1,330mm (52.36 in).
 Weight: 4.7kg (10.34 lbs).
 Wing area: 74dm
 Wing loading: 64 g/dm
 Wing type: Naca Airfoil.
 Gear type: Aluminium Hi-grade for
main gear and spring wire for tail gear
(included).
Parts listing required (not included).
 Radio: 06 channels.
Instruction Manual book
PITTS
.
2
.
2
 Servo: 07 servos.
 Servo mount: 42mm x 21mm.
 Engine: 120 - 2 stroke; O.S.GT 22cc Gas.
 Motor: Brushless outrunner 1800-2300W, 450KV.
 Propeller: Suit with your engine.
Recommended motor and battery set up (not included):
 Motor: RIMFIRE.120.
 Lipo cell: 6 cells 4,000-5,000mAh.
 ESC: 80A.
 Receiver battery: 4.8-6V/ 1200-2000mAh NiMH.
Item code: BH85-A.
New improvement.
Made in Vietnam.

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Summary of Contents for Black Horse Model Pitts BH85-A

  • Page 1 Instruction Manual book Item code: BH85-A. PITTS New improvement. ALL BALSA - PLY WOOD CONSTRUCTION. COVERED WITH ORACOVER. 95% ALMOST READY TO FLY SPECIFICATION  Servo: 07 servos.  Wingspan: 1,500mm 59.06 in).  Servo mount: 42mm x 21mm.  Length: 1,330mm (52.36 in). ...

  • Page 2: Parts Listing

    PITTS Item code: BH85-A Instruction Manual This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly before starting assembly of your PITTS. Use the parts listing below to identify all parts. WARNING Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is capable of causing injury to people or property.

  • Page 3: Safety Precaution

    PITTS Item code: BH85-A Instruction Manual Caution: This model is not a toy! This model is highly pre-fabricated and can be built in If you are a beginner to this type of powered model, a very short time. However, the work which you have to please ask an experienced model flyer for help and carry out is important and must be done carefully.

  • Page 4: Installing The Aileron Servos

    PITTS Item code: BH85-A Instruction Manual REPLACEMENT SMALL PARTS 3 x 15mm 4x30mm 3x12mm 5x45mm 4x20mm 2x10mm 4x70mm 1. Plastic - engine mount. 2. Wheels. 3. Wheel pants (left & right). 4. Aluminium landing gear. 3x10mm 5. Wing strut. 7. Tail gear set. 3x25mm 4x30mm 8.

  • Page 5: Installing The Aileron Linkages

    PITTS Item code: BH85-A Instruction Manual Drill a hole 1.5mm Secure 2x10mm  5) Repeat the procedure to install the aileron servos in the other wing half. 3. INSTALLING THE AILERON CONTROL HORN Secure  1) Remove the covering from the slot on the bot- tom of the aileron.

  • Page 6: Installing The Engine Mount

    PITTS Item code: BH85-A Instruction Manual Using pliers, carefully make a 90 degree bend down at Repeat the procedure to install the opposite wing the mark made. Cut off the excess wire, leaving about half. 6mm beyond the blend. II. INSTALLING THE ENGINE MOUNT See pictures below: Cut.

  • Page 7: Option 2: Engine Mount

    PITTS Item code: BH85-A Instruction Manual Throttle pushrod III. FUEL TANK OPTION 2: ENGINE MOUNT 1. INSTALLING THE STOPPER ASSEMBLY  1) The stopper has been pre-assembled at the factory. 4x30mm  2) Using a modeling knife, cut one length of silicon fuel line (the length of silicon fuel line is calculated by how the weighted clunk should rest about 8mm away from the rear of the tank and move freely inside the...

  • Page 8: Installing The Throttle Pushrod

    PITTS Item code: BH85-A Instruction Manual  5) Test fit the stopper assembly into the tank. It may 2. INSTALLING THE THROTTLE PUSHROD be necessary to remove some of the flashing around the tank opening using a modeling knife. If flashing is Install one adjustable metal connector through the third present, make sure none of it falls into the tank.

  • Page 9: Installing Horizontal Stabilizer

    PITTS Item code: BH85-A Instruction Manual  3) Slide the cowl back over the engine and secure it in place using four wood screws. See picture below.  4) Install the muffler and muffler extension onto the engine and make the cutout in the cowl for muffler clearance.

  • Page 10: Elevator Control Horn Installation

    PITTS Item code: BH85-A Instruction Manual control horn Bottom side. Bottom side. Mark line. 1. A+B Epoxy glue 2. Push in  5) Remove the stabilizer. Using the lines you just drew as a guide, carefully remove the covering from between them using a modeling knife.

  • Page 11: Elevator Servo Installation

    PITTS Item code: BH85-A Instruction Manual Bottom side C/A glue. Top side ELEVATOR SERVO INSTALLATION 1) Install the rubber grommets and brass  collets into the elevator servo. Test fit the servo into the servo tray. C/A glue. 2) Mount the servo to the tray using the ...

  • Page 12: Rudder Servo Installation

    PITTS Item code: BH85-A Instruction Manual 3. RUDDER SERVO INSTALLATION VI. RUDDER INSTALLATION Rudder servo install as same as method of Rudder install as same as the way of aileron. Please elevator servo. see pictures below. Rudder servo Flaslink Servo arm Pushrod wire Snap keeper 1.

  • Page 13: Mounting The Tail Wheel Bracket

    PITTS Item code: BH85-A Instruction Manual 2) Assemble and mounting the wheel pants as  shown in the following pictures. Mark point Aluminium landing gear Silicone Tube Drill a hole 2mm diameter Flat washer. M5 nut. Collar. Repeat the procedure to install the opposite gear.

  • Page 14: Installing The Switch

    PITTS Item code: BH85-A Instruction Manual XI. WING ATTACHMENT IX. INSTALLING THE SWITCH Locate the aluminium wing dihedral brace.  1) Cut out the switch hole using a modeling knife. Use a 2mm drill bit and drill out the two mounting holes Aluminium tube.

  • Page 15: Installing Cockpit Fuselage

    PITTS Item code: BH85-A Instruction Manual Position the canopy so the rear frame on the canopy is aligned with the rear edge of the cockpit opening. Use canopy glue to secure the canopy to the canopy hatch. Use low-tack tape to hold the canopy in position until the glue fully cures.

  • Page 16: Installing The Spinner

    PITTS Item code: BH85-A Instruction Manual II. WING STRUT See pictures below 3x10mm 95mm 3x25mm 146mm 90mm Bottom side. Secure Top side. XIII. INSTALLING THE SPINNER Push in Install the spinner backplate, propeller and spinner cone. The spinner cone is held in place using two 3mm x 15 mm machine screws.

  • Page 17: Control Throws

    PITTS Item code: BH85-A Instruction Manual of pieces of masking tape, place them on the top side CONTROL THROWS of the wing 106mm back from the leading edge, at the fuselage sides.  1) We highly recommend setting up a plane using the control throws listed.
  • Page 18 I/C FLINGT WARNINGS Always operate in open areas, away ALWAYS adjust the engine from from factories, hospitals, schools, NEVER fly near power lines, behind the propeller, and do not buildings and houses etc. NEVER aerials or other dangerous areas allow any part of your body to be in fly your aircraft close to people or including airports, motorways etc.

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PittsBh85-a

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