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Hangar 9 ShowTime 50 ARF, Assembly Manual, Page: 31 / 40

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Hangar 9 ShowTime 50 ARF Assembly Manual Download Page 31

31

Required Parts

•.Fuselage.assembly.

•.Cowling

•.#4.washer.(4)
•.4-40.x.1/2".socket.head.screw.(4)

Required Tools and Adhesives

•.Hex.wrench:.3/32".

•.Hobby.scissors

•.Hobby.knife.

•.Ruler

•.Drill.

•.Drill.bit:.1/8".(3mm)

.

Step 1

Use.pieces.of.card.stock.to.indicate.the.location.of.the.

needle.valve,.engine.head,.and.the.firewall.

.

Step 2

Remove.the.engine..Position.the.cowl.onto.the.fuselage.

so.it.is.roughly.5".(127mm).from.the.firewall..Transfer.the.

location.for.only.the.engine.onto.the.cowl.

.

Step 3

Remove.the.cowl.and.remove.the.necessary.material.to.fit.

the.cowl.over.the.engine..Install.the.engine.back.onto.the.

firewall,.and.test.fit.the.cowl.over.the.engine.

Hint

:.Start.by.removing.only.a.little.material.

at.a.time..You.can.always.make.the.holes.

bigger,.but.you.can’t.make.them.smaller..Work.

until.the.cowl.fits.nicely.over.the.engine.

Note

:.Remember.to.either.trim.material.

from.the.cowl.to.attach.the.glow.igniter,.

or.use.a.remove.glow.connection.

.

Step 4

Slide.the.cowling.onto.the.fuselage..Temporarily..

install.the.propeller.and.spinner.backplate..Position..

the.cowl.so.there.is.1/8".(3mm).gap.between.the..

backplate.and.the.cowl.

Section 7: Cowling Installation

Summary of Contents for ShowTime 50 ARF

Page 1: ...Wingspan 57 in 1448mm Wing Area 722 sq in 46 6 sq dm Assembly manual ShowTime 50 ARF Length 59 25 in 1505mm Weight 6 7 lb 2 7kg 3 1kg Specifications 5 ...

Page 2: ...rs 6 Non Warranty Repairs 6 Safety Precautions and Warnings 7 Before Starting Assembly 7 Using the Manual 7 Section 1 Aileron Installation 8 Section 2 Stabilizer Installation 13 Section 3 Elevator Installation 14 Section 4 Rudder Installation 17 Section 5 Landing Gear Installation 22 Section 6A Four StrokeEngine Installation 24 Section 6B Two Stroke Engine Installation 28 Section 7 Cowling Install...

Page 3: ...tems not shown HAN4284 Decal Set HAN4285 Tail Wheel Bracket HAN4287 Pushrod and Hardware Set Radio and Power Systems Requirements 5 to 6 channel radio system minimum w receiver 537 Standard Servo JRPS537 6 or equivalent for rudder 1 elevator 2 ailerons 2 throttle 1 12 Servo Lead Extension JRPA098 2 6 Y Harness JSP98020 Recommended JR or JR SPORT Systems XP9303 XP7202 XP6102 XS600 Recommended Power...

Page 4: ... 6mm Hobby knife Side cutters Phillips screwdriver large Phillips screwdriver small Pliers Ruler Sandpaper Hex wrench 9 64 3 16 Socket wrench 11 32 Drill bit 1 16 1 5mm 5 64 2mm 3 32 2 5mm 1 8 3mm 9 64 3 5mm 5 32 4mm 1 4 6mm Adhesives 6 minute epoxy 30 minute epoxy Thin CA cyanoacrylate glue Medium CA cyanoacrylate glue CA remover debonder Pacer Z 42 Threadlock Zap A Dap A Goo Hinge glue Canopy gl...

Page 5: ... of or to any part of the Product This warranty does not cover damage due to improper installation operation maintenance or attempted repair by anyone other than Horizon Return of any goods by Purchaser must be approved in writing by Horizon before shipment Damage Limits HORIZON SHALL NOT BE LIABLE FOR SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN AN...

Page 6: ...ranty Inspection and Repairs To receive warranty service you must include your original sales receipt verifying the proof of purchase date Provided warranty conditions have been met your Product will be repaired or replaced free of charge Repair or replacement decisions are at the sole discretion of Horizon Hobby Non Warranty Repairs Should your repair not be covered by warranty the repair will be...

Page 7: ... water exposure to all equipment not specifically designed and protected for this purpose Before Starting Assembly Before beginning the assembly of the ShowTime 50 remove each part from its bag for inspection Closely inspect the fuselage wing panels rudder and stabilizer for damage If you find any damaged or missing parts please contact the place of purchase If you find any wrinkles in the coverin...

Page 8: ...tremely well when installed as described Even though the ailerons are large we had absolutely no problems Step 1 Locate 4 CA hinges Place a T pin in the center of the hinges Step 2 Use a 1 16 1 5mm drill bit to drill a hole in the center of each hinge location in both the wing and aileron This creates a tunnel that the CA can pass through allowing the CA to penetrate further into the hinge Note Us...

Page 9: ...Remove the T pins from the hinges Flex the aileron and apply Thin CA to each hinge Make sure the hinge is fully saturated with CA Use a paper towel and CA remover debonder to clean up any excess CA from the wing and or aileron Make sure to apply CA to both the top and bottom of the hinge Step 6 Firmly grasp the wing and aileron and gently pull on the aileron to ensure the hinges are secure and can...

Page 10: ...e wing from the aileron servo opening Let the weight drop out through the wing root for the servo Step 10 Insert the servo into the opening in the wing Use the string to pull the servo lead through the wing Make sure the servo lead exits the root of the wing as shown Position the servo so the output shaft is toward the trailing edge of the wing Use a 1 16 1 5mm drill bit to drill the locations for...

Page 11: ...igns with the hinge line of the aileron With the aileron servo centered position the pushrod so it is perpendicular to the hinge line as it crosses the servo arm Mark the position for the mounting holes using a felt tipped pen Step 13 Drill three 5 64 2mm holes at the locations marked in the previous step Step 14 Attach the control horn using three 2 x 13 16 screws and the control horn backplate S...

Page 12: ...e in the previous step Cut the wire 1 2 13mm above the bend Slide the wire through the outer hole in the aileron servo arm Secure the wire using a nylon wire keeper Note Remove the excess arm from the servo horn using side cutters to prevent interference between it and the linkage Step 16 Repeat Steps 1 through 15 for the remaining aileron Note Once the ailerons have been installed it is suggested...

Page 13: ...the fuselage using a 1 4 20 x 2 wing bolt Step 4 Slide the stab into the fuselage Center the stab in the opening by measuring the distance from the fuselage to each tip The stab is aligned when both measurements are identical Hint The stabilizers can be installed temporarily to aid in getting the stabilizer centered in the fuselage Just don t glue the hinges so they can be removed once the stabili...

Page 14: ...Screws JRPA212 2 Reversing Y Harness JRPA133 Optional Step 1 Install an 18 servo extension on one of the servos Either tie the leads together use a commercially available connector or use unwaxed dental floss to secure the leads to prevent them from coming loose during flight Also install the servo hardware grommets and eyelets at this time Hint Use rubbing alcohol and a paper towel to clean up an...

Page 15: ...into the hinge to provide the best bond Using accelerator will not provide enough time for this process Step 4 Remove the T pins from the hinges Flex the elevator and apply Thin CA to each hinge Make sure the hinge is fully saturated with CA Use a paper towel and CA remover debonder to clean up any excess CA from the stabilizer and or elevator Make sure to apply CA to both the top and bottom of th...

Page 16: ...e control horn backplate Step 8 Center the elevator servo electronically using the radio system Physically place the elevator control surface in neutral Mark the pushrod where it crosses the holes in the servo arm Bend the wire 90 degrees at the mark made in the previous step Cut the wire 1 2 13mm above the bend Slide the wire through the outer hole in the elevator servo arm Secure the wire using ...

Page 17: ...to provide clearance for the tail wheel bearing Hint An 11 64 4 5mm drill bit can be used to size the notch perfectly to the nylon bushing of the tail wheel assembly Step 2 Test fit the tail wheel bracket into the rudder Make sure there is plenty of clearance for the bracket bushing and the hole has been drilled deep enough to fit the tail wheel wire Step 3 Cut a slot in the aft end of the fuselag...

Page 18: ...is will hold the rudder in position while the epoxy cures Step 7 Fit the rudder back onto the fuselage making sure the tail wheel can move without binding Check to make sure the rudder moves freely It should not rub against the fin at the tip Use 6 minute epoxy to glue the tail gear wire into the hole drilled into the rudder Apply thin CA to both sides of the hinge Make sure to saturate the hinge ...

Page 19: ...ping tool to complete the job Step 12 Install the rudder servo into the fuselage using the hardware provided with the servo Use the radio system to electronically center the rudder servo Attach the servo arm to the rudder servo Step 13 Pass the cable out through the openings in the rear of the fuselage The cables will cross inside the fuselage to get the correct geometry Tape the cables to the out...

Page 20: ...vertically Step 16 Position the control horn on the rudder Mark the locations for the screws onto the rudder using a felt tipped pen Mark both sides of the rudder for the control horn mounting screws Step 17 Use a 5 64 2mm drill bit to drill the locations for the screws Drill each side half way through the rudder so they connect in the center To complete the procedure use the drill bit to connect ...

Page 21: ...ntil the next step Step 21 With the radio on check the operation of the rudder Adjust the cables so when the rudder servo is centered the rudder is centered as well There will be slight tension on the cables to prevent the rudder from wandering Adjustments can be made at the rudder control horn and at the servo arm Once satisfied with the cable lengths and tensions use crimping pliers to secure th...

Page 22: ...l the landing gear using two 8 32 x 1 2 screws Note that one edge of the gear is straight and the other is at a slight angle The straight side faces forward Step 2 Install an axle onto the landing gear Secure the axle using an adjustable wrench and the nut provided with the axle Step 3 Attach the wheel to the axle using two 5 32 wheel collars and setscrews Face the setscrews toward the bottom of t...

Page 23: ...wheel pant slightly to fit over the hex on the axle Step 5 Drill the locations for the pant screws using a 9 64 3 5mm drill bit Insert two 4 40 blind nuts into the holes from the inside of the wheel pant Step 6 Attach the wheel pant to the landing gear using two 4 40 x 1 2 socket head screws Step 7 Position the wheel so it is centered in the wheel pant Tighten the collars once the wheel has been p...

Page 24: ...tach the engine mount to the firewall using four 8 32 x 1 machine screws Step 2 Position the engine on the mount Adjust the engine so the distance from the firewall to the drive washer is 47 8 124mm Use clamps to hold the engine in position Note Check to see which direction the needle valve is pointing It should point toward the bottom of the aircraft Remove the carburetor and rotate it so it face...

Page 25: ...d Mark the location with a felt tipped pen Remove the engine and drill the firewall for the pushrod tube using a drill and 5 32 4mm drill bit Step 7 Test fit the 12 305mm outer pushrod tube through the firewall and into the fuselage Once satisfied with the fit roughen the tube using sandpaper Slide the tube back into position and use medium CA to glue it to the firewall Allow 1 16 1 5mm of the pus...

Page 26: ... in center the throttle trim and stick Use the screw from the servo to secure the horn to the servo Note Remove any extra arms from the servo horn that may bind against the linkage Step 9 Physically move the carburetor to the closed position Use the radio to move the throttle servo to the low position Mark the pushrod where it crosses the throttle arm using a felt tipped pen Remove the pushrod and...

Page 27: ...retor arm and servo arm as necessary for full range of operation Step 12 Locate the fuel tank Determine which fuel line is the vent line by looking at the top of the fuel tank Make a note as to which side the vent line is located on Slide the tank into the fuselage guiding the tubes out through the hole in the firewall Use the supplied stick to make a brace to hold the tank in position Step 13 Att...

Page 28: ...ne mount to the firewall using four 8 32 x 1 machine screws Step 2 Position the engine on the mount Adjust the engine so the distance from the firewall to the drive washer is 47 8 124mm Use clamps to hold the engine in position Step 3 Mark the locations for the engine mounting bolts Step 4 Remove the engine and drill the locations marked in the previous step using an 7 64 2 5mm drill bit Hint Use ...

Page 29: ...e of the throttle servo tray Step 7 Install the servo hardware grommets and eyelets included with the servo Mount the throttle servo with the output shaft toward the pushrod tube Slide a clevis retainer onto a nylon clevis Thread a clevis onto the 13 330mm pushrod wire a minimum of 10 turns Slide the pushrod into place from outside of the fuselage With the radio on and throttle servo plugged in ce...

Page 30: ...hrod wire to the servo arm Step 10 Locate the fuel tank Determine which fuel line is the vent line by looking at the top of the fuel tank Make a note as to which side the vent line is located on Slide the tank into the fuselage guiding the tubes out through the hole in the firewall Use the supplied stick to make a brace to hold the tank in position Step 11 Attach the muffler to the engine Make the...

Page 31: ...ep 3 Remove the cowl and remove the necessary material to fit the cowl over the engine Install the engine back onto the firewall and test fit the cowl over the engine Hint Start by removing only a little material at a time You can always make the holes bigger but you can t make them smaller Work until the cowl fits nicely over the engine Note Remember to either trim material from the cowl to attac...

Page 32: ...ing screws Drill the locations using a 1 8 3mm drill bit Step 6 Make any cutouts in the cowling to clear items such as the muffler fueling valve needle valve etc Step 7 Locate four 4 x 1 2 sheet metal screws Attach the cowling using the four screws Section 7 Cowling Installation ...

Page 33: ... the receiver antenna wire through the tube on the right hand side of the fuselage to the tail Place the receiver and receiver battery into the foam Step 2 Place the remaining flat foam over the receiver and receiver battery Slide the radio plate into position and secure it using a 4 40 X 1 2 socket head screw and 4 washer Step 3 Remove the covering from the opening on the left side of the fuselag...

Page 34: ...side force generators secure the side force generator plugs to the wing using 2 x 1 4 screws Step 8 To install the side force generators first remove the plugs Slide the side force generators partially into the slot in the wing When the stud is visible install the thumbscrew to pull the upper and lower side force generators into position Note The SFG s can be removed in a few seconds Try your Show...

Page 35: ...or half When using a 7 channel or greater computer radio each servo is plugged into its own separate channel Consult your radio manual for specific details on hookup and programming If using a 6 channel radio with flaperon mix the aileron servos are each plugged into their own channels The right aileron plugs into the aileron socket in the receiver while the left aileron plugs into channel 6 With ...

Page 36: ... the linkage locations used back in Step 3 Increase or decrease the Travel Adjust ATV a few points as necessary to fine tune the throws to match up left and right sides and up and down throws so all is symmetrical This is all necessary to tune the mechanical advantage as good as possible When setting up a model for 3D the mechanical advantage will be less because of the large throws and thus the s...

Page 37: ...ver is done flip back down to low rate to avoid over controlling the model Range Test Your Radio Step 1 Before each flying session be sure to range check your radio This is accomplished by turning on your transmitter with the antenna collapsed Turn on the receiver in your airplane With your airplane on the ground and the engine running you should be able to walk 30 paces approximately 100 feet awa...

Page 38: ...explosive gases such as hydrogen filled balloons or ground mounted devices launching a projectile The only exceptions permitted are rockets flown in accordance with the National Model Rocketry Safety Code or those permanently attached as per JATO use also those items authorized for Air Show Team use as defined by AST Advisory Committee document available from AMA HQ In any case models using rocket...

Page 39: ...o powered model may be flown closer than 25 feet to any person 9 Under no circumstances may a pilot or other person touch a powered model in flight Organized RC Racing Event 10 An RC racing event whether or not an AMA Rule Book event is one in which model aircraft compete in flight over a prescribed course with the objective of finishing the course faster to determine the winner A In every organiz...

Page 40: ... 2006 Horizon Hobby Inc 4105 Fieldstone Road Champaign Illinois 61822 877 504 0233 horizonhobby com 9381 5 ...

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