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Lanier R/C STINGER 120 ARF, Assembly Instructions Manual, Page: 15 / 20

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Lanier R/C STINGER 120 ARF Assembly Instructions Manual Download Page 15

Assembly Instructions

Lanier R/C, INC. P.O. Box 458 Oakwood, Ga. 30566 PH 770 532 6401

© copyright 1989 Lanier R/C

15

15

Locate the two pushrods. One has a dou-

ble end on one end. This is the elevator
pushrod. 

Bend the rods on the elevator pushrod out
about 30 degrees on on each side. Do not
make sharp bends. It is better to “bow” the
rods out so as to keep “slop” out of the
system.

Using an exacto knife, remove the covering

over the pushrod exits on both sides. Only
remove the covering on the rudder pushrod
exit on one side.

Insert the pushrods in the fuselage and

out the slots in the rear. Install the silicone
clevis keeper on the  nylon clevices and
screw one on each end of a pushrod and
attach to the control horns. 

Mount the servos in the servo rails with

the throttle servo on the side that corre-
sponds with the throttle arm on the motor.
Mount the rudder servo on the opposite
side and the elevator servo in the center.
For better control and a safer set up, you
can use two elevator servos and a separate
pushrod to each elevator half.(pushrods for
this are not supplied). If you run this setup
you will need a pushrod for each elevator
half and a y-connector to plug both servos
into the elevator channel. Mount the servos
in the same position except the two outside
servos will be the elevators and the center
will be the rudder. You will then mount the

Summary of Contents for STINGER 120 ARF

Page 1: ... the edges down first so that you do not cause the covering to shrink and leave exposed areas of wood The model is built light to ensure good flight characteristics With the power available from the new breed of engines it is necessary to use throttle man agement in order not to overstress the airframe You must maintain good tight con trol linkage with no slop good servos with plenty of power and ...

Page 2: ...based on the breach of the contract of sale to the buyer or on any alleged warranty there under must be brought within 1year of the date of such sale or there after be barred This one year limita tion is imposed by agreement of the parties as permitted by the laws of the state of Georgia Introduction Thank you for purchasing the Lanier R C Stinger 1 20 Stinger 1 20 We are sure you will be happy wi...

Page 3: ...Assembly Instructions Lanier R C INC P O Box 458 Oakwood Ga 30566 PH 770 532 6401 copyright 1989 Lanier R C 3 3 ...

Page 4: ... the same time Apply a drop of oil in the hinge Use 30 minute epoxy to glue them in A syringe works great if you don t have one use a 1 8 dowel or piece of 3 32 wire to get the epoxy into the holes With glue in the holes push the hinges in wing up to the pin Apply glue in the holes on the aileron and slide aileron into place Work the aileron up and down several times and the Robart hinges will rot...

Page 5: ...tip This will cause the epoxy to run to one end After the glue has cured locate the wing bolt reinforcement plate and the two 6mm socket head wing bolts Use a knife and remove the covering on top and bottom of the wing over the predrilled wing bolt holes Insert the bolts through the rein forcement plate and into the wing Use a marking pen and out line the plate After marking the location of the pl...

Page 6: ...n be changed slightly by pushing up or down on the stab tip This is all that should be needed but if more is needed you can sand the stab sad dle till the alignment is perfect Remove stab and fin from fuselage and using a razor blade remove the covering between the lines you just marked Cut about 1 8 inside your mark so bare wood will not be exposed when glued in place Cut carefully and cut only t...

Page 7: ...make sure it is tight Flying Wires The flying wires are functional on the Stinger 120 Stinger 120 and must not be omitted Locate the 12 flying wire brackets and bend a 45 degree angle on the end even with the notch Attach the brackets to the stab and fin with six 4 40x 3 4 socket head screws and aircraft lock nuts Locate the pre drilled holes in the stab and fin by measur ing down approximately 2 ...

Page 8: ... point on the fin brack et where it should be bent Bend 90 degrees and cut off at 3 8 Insert into the bracket and attach the swing in keeper Install the other 3 wires on top in the same manner Be careful not to put pres sure on any of the surfaces after all the wires are installed we will adjust the ten sion Align the bend of the tail wheel bracket even with the back of the fuselage and mark the l...

Page 9: ...keeper Attach the other three wires in the same manner Set the fuselage on a level surface and block the tail up until a level place on the top of the stab next to the fuselage is level Without moving the fuselage move the level out to the tip of the stab Adjust the flying wires until the level measures level on both the tip and the root of the stab This will insure that you have no warp in your s...

Page 10: ...he 3 16 wheel collars on the axel approx imately 3 16 in from the landing gear This will space the wheel in the middle of the wheel pant Adjust later if necessary The wheel pant has a 1 2 hole in one side that will fit over the inside nut on the axel Slide the wheel pant and wheel on at the same time and install the outside 3 16 wheel collar You should file a flat spot on the axel where the set sc...

Page 11: ...it may take a couple of days to get com pletely clear but will be dry enough to use in about 8 hours Any smudges can be cleaned with water while the glue is still wet Cowl Mounting Draw a center line on the firewall from top to bottom Draw a line across the fire wall through the center of the hole this is the trust line You can mount your engine centered on these marks Depending on the engine you ...

Page 12: ... covering from this area Epoxy the two cowl blocks in place mak ing sure they are aligned at the same angle as the top of the fuselage After the epoxy has cured round the cor ners of the blocks so there are no sharp edges to cut the cowl Round corners Measure 1 1 4 over from the centerline and 1 4 back from the front edge of the firewall on both sides and drill a 7 32 hole for the cowl mount bolts...

Page 13: ...he outside Align the cowl so it is straight from side to side and the angle on the top matches the fuselage You can now transfer the holes from the paper templates to the cowl by marking through the holes You may want to wait till the engine is mounted and you have made all the cutouts for the engine You can then align the cowl to perfectly match the back plate on the spinner Cut the four 6mm bolt...

Page 14: ... for the pushrod should be aligned over the hinge line Locate the 4 40 x 2 3 4 pushrods and install a 4 40 nut on each end Screw a 4 40 golden clevis on each end and connect one end to aileron horn and the other to the servo arm With the servo centered adjust the link age till the aileron is centered Tighten the 4 40 jam nuts on each end and install the clevis keeper on each clevis Don t forget to...

Page 15: ...he rear Install the silicone clevis keeper on the nylon clevices and screw one on each end of a pushrod and attach to the control horns Mount the servos in the servo rails with the throttle servo on the side that corre sponds with the throttle arm on the motor Mount the rudder servo on the opposite side and the elevator servo in the center For better control and a safer set up you can use two elev...

Page 16: ...the engine and the other end in the E Z con nector This set up shows a Fox 2 4 if you are using a different engine you will have to adjust accordingly throttle servo forward of the rails If you need the weight forward it can be mounted in front of the F2 former throttle servo mounted in front of F2 Install the control arms on the servo in the centered position and lay the pushrods across the arms ...

Page 17: ...are using glow fuel you must use silicone tubing and if you are using gasoline you must use tygon or neoprene tubing The tank supplied has a glow stopper and silicone tubing If you use gas you must replace these Install the tank in the nose section and drill the appropriate holes The radio receiver and switch can be mounted in the front section of the com partment under the wing there is lots of r...

Page 18: ...nd down Rudder 1 1 2 each way High Rate Elevator All you can get Aileron All you can get Rudder All you can get Center of Gravity 4 1 2 to 5 behind leading edge The Stinger 120 has a wide CG range and can be very docile at the forward setting 4 1 2 inches For expercienced pilots it can be moved back past our rearward rec ommendation by an inch or more for unlimited aerobatics ...

Page 19: ...ainers 8 4 Nylon swing in keepers 8 5 Aluminum bracket 1 6 Flying wire brackets 12 7 4 40 x3 4 socket head screws 6 8 4 40 Aircraft lock nuts 6 9 6 32 x3 4 sheet metal screws tail wheel and flying wire bracket 2 Elevator Rudder Hardware 1 Control horns 3 2 Control horn plates 3 3 Control horn screws Elevator 2x3 4 12 4 Elevator pushrod Split type 5 Rudder pushrod 6 Nylon clevises 3 7 Silicone clev...

Page 20: ...sticks 13 36 yard stick or tape measure 14 Scissors 15 Moto tool with sanding drum Adhesives 1 Thin CA cyanoacrylate glue 2 Medium CA Glue 3 CA remover debonder 4 5 Minute Zap Z Epoxy 5 30 Minute Zap Z Epoxy 6 Zap Z 42 Threadlock 7 Zap Canopy glue Equipment Required 1 Four channel radio or better 2 Servos 46in oz or better 5 3 1200mah battery pack or larger 4 Y connectors 1 5 12 extensions Aileron...

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