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SIG MESSERSCHMITT Bf-109, Инструкция по сборке, Страница: 8 / 20

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freely with just a small amount of left and right "play". Once in 
position, firmly tighten the setscrew in the wheel collar. Repeat this
process with the remaining wheel.

The wing assembly is now complete and ready to use. Set it aside
for now.

MOTOR, RECEIVER, & ESC INSTALLATION:
The following parts are not included in your kit. These will be
required for the following assembly steps:

❑

Motor of choice

❑

Mounting bolts & washers for your specific motor

❑

Prop adaptor for your specific motor shaft

❑

Electronic speed control (ESC)

❑

Receiver

❑

3" or 4" of Velcro

®

for mounting the receiver & ESC

Note: The metal motor mount in the Bf-109 has been designed to
accommodate the front mounting of most 35 mm diameter motors.
The small holes give a general location for the tapped holes 
in the front of your motor.

Enlarge or slot them as needed 

to accommodate your specific motor.

We have used Himax 

HC3516-1130 and HC3522-0990 motors with the proper speed
controls, props, and 3S1P LiPo 3300 mAh batteries in the 
prototypes and have been very satisfied with the performance and
duration of these setups. We will show the HC3522-0990 in this
manual as a typical motor installation.

❑

1) Feed the motor wires through one of the openings next to

the front motor mount plate and position the motor up to the back
side of the front mounting plate. Bolt the motor to the mounting
plate using the appropriate bolts and washers for your specific
motor. We always suggest using a non-permanent thread-locking
compound for these bolts, such as Loctite

®

"Blue". This simple 

precaution works very well to keep these bolts in place under 
vibration.

7

❑

2) Attach the gear doors to the inside of the gear legs using

the metal clips, M2 x 8 mm bolts, M2 nuts, and M2 washers. Note
that the bottom edges of these doors are made with two distinct
angles. The more highly angled edge should be oriented toward
the rear of the wing to providing better ground clearance.

❑

3) Insert the wires into the landing gear blocks in the wing, with

the legs and doors offset to the front leading edge of the wing. The
wheel axles should be close to the leading edge when viewed from
above and aligned with each other in a straight line or a slight toe
in position. It might be necessary to slightly "tweek" the axle wires
to achieve alignment. If so, do this now.

❑

4) Once satisfied with the axle alignment, secure both landing

gear wires into the wing bottom using the four plastic retaining
straps, as shown. Hold the strap in place and mark its two hole
locations onto the surface of the wing. Use a 3/32" dia. bit to drill
pilot holes for the mounting screws. Repeat this process for the
remaining landing gear straps. Secure the straps in place with 
T3 x 8 mm PWA screws.

5) The main wheels are now installed and secured. Slide a 

plastic bushing over the axle wire, all the way to the bend. Slide
the main wheel in place onto the axle, followed by the wheel collar.
The wheel collar should be positioned to allow the wheel to turn 

Содержание MESSERSCHMITT Bf-109

Страница 1: ......

Страница 2: ...ee Power System section for recommendations Lithium Polymer Battery Pack see Power System section for recommendations Propeller see Power System section for recommendations Motor mounting bolts sized for your particular motor Dremel Tool with a variety of sanding bits An assortment of screwdrivers R 1 Messerschmitt Bf 109 ARF ASSEMBLY MANUAL INTRODUCTION The prototype Messerschmitt Model 109 first...

Страница 3: ... effect on the printed finish However carefully note that certain solvents can and will soften the ink allowing it to be rubbed off The following is a short list of cleaners and solvents that can and cannot be used on the printed finish of your model Use Do Not Use Windex Window Cleaner CA Debonder SIG Model Magic Cleaner Acetone Hexane Alcohol Dope Thinner If in doubt of the suitability of a clea...

Страница 4: ...rs Bag 15 4 ea 8 mm square x 12 mm hardwood for wing servo mounts Bag 16 Tail Brace Bag all parts painted gray 2 ea 2 mm dia x 94 mm wire threaded M2 on one end and an eyelet bent on the opposite end 2 ea M2 R C metal R C links 2 ea M2 knurled lock nuts Sub bag 2 ea Metal tabs drilled two places and bent in center 2 ea T2 x 6 mm PWA screws 2 ea T2 x 8 mm PWA screws 2 ea 3 mm ID x 6 mm silicone tub...

Страница 5: ... for CA glue to fully wick its way across the surface of the hinge and surrounding wood Allow about 10 minutes or so before flexing the ailerons After sufficient time has passed firmly flex each aileron briskly up and down to create free and easy movement We also suggest pulling on the aileron at each hinge location making sure each hinge is firmly in place 4 Remove the four screws from each corne...

Страница 6: ...k this stick loose and unwind the string from the stick This end of the string is secured firmly to the connector end of the servo extension lead we like to tie this string tightly to the connector With the string in place to the connector feed the connector and string into the servo bay while gently pulling on the string at the exit hole in the center of the wing Start the connector down through ...

Страница 7: ...e the edges of these slots are Once the slots are located use a sharp 11 blade to carefully slit the covering from one end of the slot to the other Repeat this with the opposite landing gear slot to its bottom surface Repeat this process on the opposite aileron Use the four M2 x 20 mm bolts and the two plastic control horn backing plate to now mount each aileron horn to the bottom of each aileron ...

Страница 8: ...olts and washers for your specific motor We always suggest using a non permanent thread locking compound for these bolts such as Loctite Blue This simple precaution works very well to keep these bolts in place under vibration 7 2 Attach the gear doors to the inside of the gear legs using the metal clips M2 x 8 mm bolts M2 nuts and M2 washers Note that the bottom edges of these doors are made with ...

Страница 9: ...unting marks just made Reinstall the servos and secure them to the tray using the mounting screws that came with them Note that the output ends of these two servos are towards the front of the fuselage 4 With the servos now mounted check the relationship between the two servo output arms when they are in place on the servos If there is any interference then you will have to select or modify servo ...

Страница 10: ...he slot Remove the fin from the fuselage and use a sharp 11 blade to The servos are now tested using the radio system Connect the appropriate rudder and elevator servo leads into the receiver turn on the transmitter and connect the flight battery to the ESC lead Make sure the rudder and elevator trims are at neutral Test the servos with the transmitter for proper movement and the alignment of the ...

Страница 11: ...coat both sides of the fin slot in the fuselage again with white glue Carefully slide the fin into the fuselage slot and wipe off any excess glue with a wet paper towel As before check and then double check the alignment The trailing edge of the fin is in alignment with the fuselage tail post the horizontal stabilizer is perfectly level with the wings and the vertical fin is sitting at 90O If need...

Страница 12: ... with epoxy glue Use a piece of business card to now work some epoxy glue into the fuselage hinge slot cleaning up any excess Now insert the brass hinge half partially into its slot in the fuselage and engage the two CA hinges into their slots in the rudder Press the rudder in place to the fuselage and fin The two rudder CA hinges can now be glued in place using the same method described earlier d...

Страница 13: ...the pushrod connector stub into the last outer hole in the elevator control horn and secure it to the horn with the metal cup washer Repeat this procedure for the rudder pushrod installing the pushrod connector stub into the second inboard hole in the rudder control horn as shown Turn on your transmitter and power up the receiver with your flight battery pack Once again check the rudder and elevat...

Страница 14: ...er the cockpit From the kit parts locate the canopy and the four T2 x 6 mm PWA mounting screws In top view the canopy is centered over the cockpit with approximately 1 8 of its rear edge extending back past the rear surface of the slanted cockpit fuselage former Use small pieces of tape to hold the canopy in this position Use the four T 2 x 6 mm PWA screws threaded through the provided holes in th...

Страница 15: ...arks on the edge of the cone Tape the template in position and trace the outline of the blade cutout onto the cone Move the template over to the opposite mark tape it in place and use pencil to trace the remaining blade cutout outline The prop blade cutouts are now made in the spinner To make this relatively easy and accurate we used a Dremel Tool with a highly tapered sanding bit followed by sand...

Страница 16: ...de down Locate the balancing fixture at the two 2 1 2 marks on each side of the wing next to the fuselage sides If the model is properly balanced it will be suspended perfectly level If the nose hangs down the airplane is nose heavy and conversely if the tail hangs down the model is tail heavy A slightly nose heavy model is certainly the lesser of two evils However a tail heavy condition must be r...

Страница 17: ...ft and right turning ability If you don t make any adjustments needed to achieve positive ground control Once you are satisfied with the taxi tests line the model up with the center of the runway with the nose pointed directly into the wind Hold a little up elevator and smoothly advance the throttle do not throw the throttle fully open all at once The model should roll forward smoothly tailwheel o...

Страница 18: ... favor and check everything now The second flight should be even more fun because you now have a trimmed model MAINTAINING YOUR Bf 109 Getting into the habit of routinely performing maintenance and inspection of your Bf 109 will keep it looking good and flying good for a long time Full scale airplanes receive this kind of routine treatment and fly safely for years Your R C model aircraft should re...

Страница 19: ... size or full size are not toys Because of the speeds that airplanes must achieve in order to fly they are capable of causing serious bodily harm and property damage if they crash IT IS YOUR RESPONSIBILITY AND YOURS ALONE to assemble this model airplane correctly according to the plans and instructions to ground test the finished model before each flight to make sure it is completely airworthy and...

Страница 20: ......

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