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Instruction Manual Book

Made in Vietnam.

Item code: BH33-B.

-  Wingspan: 1,560mm (61.42in).
-  Length: 1,360mm (53.54in.) 
-  Weight: 4kg (8.8lbs).
-  Wing area: 46.2dm

2

.

-  Wing loading: 86.6g/dm

2

.

-  Wing type: Naca Airfoil. 
-  Gear type: Air retract gear 
    with oleo struts (included). 
-  Spinner: 80mm.
-  Servo mount: 42mm x 21mm.

SPECIFICATION

Parts listing required (not included):

-  Radio: 06 channels.
-  Servo: 08 servos.  
-  Engine: 61-75   2 strokes; 15cc Gas.
-  Motor: Brushless outrunner 1200-2200W, 650KV.
-  Propeller: Suit with your engine.

Recommended Motor and Battery set up 
(not included): 

-  Motor: RIMFIRE.60. 
-  Lipo cell: 6 cells 4,000-5,000mAh.
-  Receiver battery: 6V/ 1200-2000mAh NiMH.
-  ESC: 80A.

ALL BALSA - PLY WOOD CONSTRUCTION.

COVERED WITH ORACOVER.

Summary of Contents for BH33-B

Page 1: ...cluded Spinner 80mm Servo mount 42mm x 21mm SPECIFICATION Parts listing required not included Radio 06 channels Servo 08 servos Engine 61 75 2 strokes 15cc Gas Motor Brushless outrunner 1200 2200W 650KV Propeller Suit with your engine Recommended Motor and Battery set up not included Motor RIMFIRE 60 Lipo cell 6 cells 4 000 5 000mAh Receiver battery 6V 1200 2000mAh NiMH ESC 80A ALL BALSA PLY WOOD ...

Page 2: ... pre installed rudder 1 1 Horizontal stabilizer with pre installed elevator halves To avoid scratching your new airplane do not unwrap the pieces until they are needed for assembly Cover your workbench with an old towel or brown paper both to protect the aircraft and to protect the table Keep a couple of jars or bowls handy to hold the small parts after you open the bag SUGGESTION NOTE Please be a...

Page 3: ...op in the lm covering due to major uctuations in weather conditions temperature humidity etc in rare cases you may even nd a slight warp in a component These minor faults are in the nature of lm covered built up wooden structures and can easily be corrected using a heat gun as commonly used for modelling Creases Blow warm air over the area and rub down with a soft cloth Wing wrap Hold the panel tw...

Page 4: ...ck a pin through the middle of the hinge to hold it in position REPLACEMENT SMALL PARTS Bottom side See pictures below 1 Door mounting wheel 2 Retract main gear 3 Wheels 4 Tail gear set 5 Plastic engine mount 6 Wood motor mount 7 Spinner 8 Fuel Tank 8a Clunk 8b Stopper three line 9 Valve control 10 3 way connector 11 Valve one way 12 Air line sets 13 Air tank 7 3x12mm 4x20mm 4x70mm 6 2x10mm 9 10 1...

Page 5: ...lue 2 INSTALLING THE AILERON SERVOS 1 1 Install the rubber grommets and brass eyelets on to the aileron servos 1 2 Using a modeling knife remove the covering from over the pre cut servo arm exit hole on the aileron servo tray hatch This hole will allow the servo arm to pass through when installing the aileron pushrods 1 3 Using the thread as a guide and using masking tape tape the servo lead to th...

Page 6: ...he 90 degree bend down through the hole in the control horn Install one nylon snap keeper over the wire to secure it to the control horn Install the control horn retaining screw and remove the masking tape from the aileron II INSTALLING THE FLAP Flap install as same as the way of aileron Repeat step 1 4 on the part I to install the ap 1 3 Repeat the procedure to install the control horn on the opp...

Page 7: ...to install the opposite gear Install and secure the wheel Secure the air retract to the wing Bottom side Top side Drill a hole 3mm diameter See pictures below IV INSTALLING THE ENGINE MOUNT There are two options 1 Electric motor 2 Engine mount 3x6mm Secure 3x4mm Secure 3x15mm Secure ...

Page 8: ...d onto the engine mount Fit the engine to the engine mount using the screws provided OPTION 1 ELECTRIC MOTOR OPTION 2 ENGINE MOUNT 1 INSTALLING THE STOPPER ASSEMBLY 1 1 The stopper has been pre assembled at the factory 1 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 V FUEL TANK SERVOS ...

Page 9: ...or servo Valve control servo Install one adjustable metal connector through the third hole out from the center of one servo arm enlarge the hole in the servo arm using a 2mm drill bit to accommo date the servo connector Remove the excess material from the arm After installing the adjustable metal connector apply a small drop of thin C A to the bottom nut This will prevent the connector from loosen...

Page 10: ...leron Please see pictures below 1 2 Using a modeling knife carefully remove the lm covering from the tail slots at the rear of the fuselage Make sure that you do not remove any wood from the slots as this will affect the alignment of the tail Throttle servo Connector Servo arm Secure Cut Throttle pushrod of the cowl opening Hold the cowl rmly in place using pieces of masking tape 1 3 Slide the cow...

Page 11: ...igned mark the shape of the fuselage on the top and the bottom of the tail plane using a water soluble non permanent felt tip pen 1 6 Remove the stabilizer Using a modeling knife and ruler CAREFULLY cut 1mm inside the marked lines Remove the covering from the top and the bottom of the tail plane Make sure you only cut with enough pressure to only cut through the lm and not the wood Cutting into th...

Page 12: ...e excess wire leaving about 6mm beyond the blend 1 2 Insert the 90 degree bend down through the hole in the servo arm Install one nylon snap keeper over the wire to secure it to the arm Install the servo arm retaining screw VIII THE TAIL WHEEL BRACKET RUDDER INSTALLATION Rudder install as same as the way of aileron A B Epoxy glue Elevator control horn Drill a hole 1 5 mm Top side C A glue After th...

Page 13: ...lease see pictures below 2 MOUNTING THE TAIL WHEEL BRACKET 1 1 Set the tail wheel assembly in place on the ply wood plate The pivot point of the tail wheel wire should be even with the rudder hinge line and the tail wheel bracket should be centered on the plywood plate Control horn 1 2 Secure the tail wheel bracket in place using three 3mm x 12mm wood screws Be careful not to overtighten the screw...

Page 14: ...shrod Rudder pushrod Rudder control horn M2 Lock nut M2 C A glue Flaslink Pushrod wire Servo arm Rudder pushrod Rudder servo Snap keeper Using pliers carefully make a 90 degree bend down at the mark made Cut off the excess wire leaving about 6mm beyond the blend Insert the 90 degree bend down through the hole in the servo arm Install one nylon snap keeper over the wire to secure it to the arm Inst...

Page 15: ... Item code BH33 B Instruction Manual 15 ...

Page 16: ...nd the switch lead into the receiver You may want to plug an aileron extension into the receiver to make plugging in the aileron servo lead easier when you are installing the wing Plug the battery pack lead into the switch 1 4 Wrap the receiver and battery pack in the protec tive foam to protect them from vibration Use a rubber band or masking tape to hold the foam in place 1 5 Position the batter...

Page 17: ...lue to secure the canopy to the canopy hatch Use low tack tape to hold the canopy in position until the glue fully cures Wrap the tape completely around the canopy hatch as the tape does not stick well to the covering We used balsa sticks to hold the lower edges of the canopy tightly against the canopy hatch Secure Secure A B Epoxy glue Open and Close Push in Install the spinner backplate propelle...

Page 18: ... on the top side of the wing 137mm back from the leading edge at the fuselage sides 1 3 Turn the airplane upside down Place your ngers on the masking tape and carefully lift the plane Accurately mark the balance point on the top of the wing on both sides of the fuselage The balance point is located 137mm back from the leading edge This is the balance point at which your model should balance for yo...

Page 19: ...n a re this can lead to an explosion Keep all onlookers especially small children and animals well back from the area of operation This is a ying aircraft which will cause serious injury in case of impact with a person or animal NEVER y near power lines aerials or other dangerous areas including airports motorways etc ALWAYS adjust the engine from behind the propeller and do not allow any part of ...

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