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DuraPlane Aerobat 40, Assembly Instruction Manual, Page: 1 / 16

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Aerobat 40

Almost Ready- to -Fly

Assembly Instructions

Specifications:

Wingspan:
Wing Area:
Weight:

Fuselage Length:

44 in (120 mm)
420 sq in (27.1 sq dm)
5.5 lb (290 g)

38.75 in (984 mm)

Engine Required: High-performance

2-stroke .40 to .46 cu in (6.5-7.5 cc) or
4-stroke .48 cu in (7.86cc)

Radio Required: 4-Channel with

4 servos

READ THROUGH THIS INSTRUCTION MANUAL BEFORE BEGINNING ASSEMBLY. IT CONTAINS
IMPORTANT INSTRUCTIONS AND WARNINGS CONCERNING THE ASSEMBLY AND OPERATION OF

THIS MODEL.

DuraPlane

P.O. Box 788

Urbana, IL61801

(217)398-8970

Printed in USA DURA1130 3005059

ENTIRE CONTENTS © Copyright 1995

Summary of Contents for Aerobat 40

Page 1: ...gh performance 2 stroke 40 to 46 cu in 6 5 7 5 cc or 4 stroke 48 cu in 7 86cc Radio Required 4 Channel with 4 servos READ THROUGH THIS INSTRUCTION MANUAL BEFORE BEGINNING ASSEMBLY IT CONTAINS IMPORTANT INSTRUCTIONS AND WARNINGS CONCERNING THE ASSEMBLY AND OPERATION OF THIS MODEL DuraPlane P O Box 788 Urbana IL61801 217 398 8970 Printed in USA DURA1130 3005059 ENTIRE CONTENTS Copyright 1995 ...

Page 2: ...about your DuraPlane please write or call us at DuraCraft PO Box 788 Urbana IL61801 217 398 8970 Radio control models are intended for adults or use under the close supervision of an adult Flying model airplanes can be dangerous and can cause serious injury DuraCraft assumes no responsibility for accidents or injury caused by this product This instruction manual provides step by step instructions ...

Page 3: ...ting foam tape GPMQ4422 Loctite thread lock Refer to the Parts List for a description of the parts and hardware included with the Aerobat 40 kit 2 Sand the Leading Edge LE of the shaped 1 4 balsa Rudder to a V shape to allow for movement Position a nylon Control Horn on the rudder so the bottom edge of the horn is 7 1 4 below the top of the rudder Use the control horn as a template to drill two 1 ...

Page 4: ...e elevator with two 2 56 x 1 2 screws and the back plate Rear with medium CA Tip Sand the Stabilizer flat and even before proceeding Draw a center line on the stab and also on the 1 16 plywood Stabilizer Bottom Plate plate to the stabilizer The end of the bottom plate should be flush with the TE of the stabilizer See the photo at step 3 1 Glue the shaped 1 4 balsa Stab Front to the Stab 2 Align th...

Page 5: ... white glue such as Great Planes Pro or epoxy to glue the trailing edges to the wing Use masking tape to hold the trailing edges in position until the glue cures Tip If you decide to use 6 minute epoxy mix one batch at a time Don t try to glue both trailing edges with the same batch 3 Sand the leading edge of the ailerons to a V shape needed to clear the heads of the screws then temporarily mount ...

Page 6: ...s in the second hole from the top 1 Test fit your engine to the Engine Mount If the engine is within the recommended range but does not fit use a Dremel Moto Tool or a file to carefully grind away the plastic until your engine drops into the mount Mark the location of the engine mounting holes then drill 7 64 holes for mounting the engine with 6 x 1 screws and washers not included Some modelers pr...

Page 7: ... to the manufacturer s instructions and install 6 of medium fuel line on the fill and vent tubes Insert the fuel tank into the rear of the fuselage and slide it up to the front with the throttle pushrod between the tank and the fuselage side Route the vent and filler lines through the hole in the center of the engine mount Confirm that you have not distorted the throttle pushrod too much due to th...

Page 8: ...vo arms on the centered servos in a neutral position as shown in the photo above Turn off the transmitter and receiver Then disconnect the receiver and battery 7 Set the fuselage on the landing gear and readjust the wheel collars on the nose gear so the fuselage is level when sitting on your workbench Secure the 6 32 screws in the wheel collars with a drop of thread lock or CA 1 Use 6 minute epoxy...

Page 9: ...rm Use another clevis and a 1 threaded stud to connect the other end of the throttle pushrod to the arm on the carburetor barrel The outer pushrod tube should be about 1 shorter than the throttle pushrod at each end 3 Perform the same operation for the rudder with the same hardware you used for the elevator 4 Secure the front end of the elevator and rudder outer pushrod tubes by taping them direct...

Page 10: ...r has hardened use a sanding block and 220 grit sandpaper to remove irregularities and the seam on the leading edge For the best appearance it is recommended that final sanding be done with 320 grit sandpaper but without a sanding block Tip As with the rudder and elevator for a finished appearance you may taper the ailerons We presume that the Aerobat will be built by experienced modelers but due ...

Page 11: ...ng the iron in a circular motion and hold it as flat as possible Always use a sharp hobby knife to cut the covering Some modelers prefer a single edge razor blade for this 1 Stab bottom plate 2 Stab bottom left then right 3 Stab top 4 Elevator 5 Fin Base Sides 6 Fin left then right side 7 Rudder Some modelers cover the tips of the ailerons elevator rudder stab and fin separately If you use this me...

Page 12: ...ck inside the fuselage Try to position the battery pack so no ballast will be required to correct the C G 2 Roughen the underside of the wing shield with 150 grit sandpaper so glue will adhere then glue it to the wing with 30 mmute epoxy Tip Clamp the wing shield to the wing by mounting the wing on the fuselage with 64 rubber bands with the wing shield in position 3 Reinstall the aileron control h...

Page 13: ...e wing Then use double sided tape or foam mounting tape to hold the cowl to the fuselage 2 It is highly recommended that you balance the propeller An unbalanced propeller can cause poor engine performance and decrease its life Vibration can cause problems with your in flight radio system A Top Flite Precision Magnetic Balancer is recommended TOPQ5700 3 Make sure the fuel lines are properly connect...

Page 14: ...is varies greatly depending on the conditions of the field More nose steering will be required if taking off a grass field than would be required if taking off from a paved runway Too much nose wheel throw will make it difficult to keep the model on heading during roll out especially if using a paved runway Move the clevis out one or two holes on the steering arm of the nose gear for less response...

Page 15: ...BUILDING NOTES Kit Purchase Date Where Purchased Date Construction Started Flight Log Date Construction Finished FinishedWeight Date of First Flight 15 ...

Page 16: ...Futaba 4NBF Conquest 4 channel Radio Flexibility and convenience make the Futaba Conquest FM radio systems a good choice for experienced fliers FUTJ39 O S 48 Surpass 4 stroke Engine Lower noise higher torque increased fuel economy and longer engine life make the 0 S 48 Surpass engine an excellent choice for your Aerobat OSMG0848 Great Planes Pro Thin Instant Set CA Instant setting Pro CA is ideal ...

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