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22

Step 4. 

Fit the wheel pants over the axle and align with the

landing gear as shown. With the wheel pants properly aligned,
mark the mounting hole position through the landing gear on the
wheel pants using a pen.

Step 5. 

Remove the wheel pants and carefully drill a 

1

/

8

" hole

through the pants at the marked hole.

Step 6. 

Install the 4-40 blind nut from inside the wheel pants as

shown. Later we will fully seat the blind nut into the plywood
when installing the pants on the landing gear. 

Step 7. 

Install onto the axle in the following order: wheel pant,

3

/

16

" collar, wheel, then another 

3

/

16

" collar. It will be necessary

to fit the parts inside the wheel pant and slide them onto the axle.

Step 8. 

Fasten the wheel pants in place using 4-40 x 

5

/

8

"

screws with washer and split washer through the landing gear
and into the blind nut in the wheel pants. Use Blue Locktite

®

and

securely tighten the screws to properly seat the blind nuts.

Section 8: Installing the Landing Gear

CONTINUED

Summary of Contents for Extra 330L

Page 1: ...o 26 5 lb 9 98 11 80 kg Recommended Engines 60 to 80 cc 90 custom built Designed by 7 time TOC competitor Mike McConville Specifically designed for excellence in precision and 3D aerobatics Prepainted fiberglass cowl and wheelpants Plug in wing and stab Precovered with genuine Goldberg UltraCote IMAC and IMAA legal Instructions include 3D flying tips from Mike McConville ...

Page 2: ...ircraft it s important that you carefully follow the instructions especially those regarding hinging pages 9 10 sealing the hinge gaps pages 11 12 and the section on flying pages 33 Like all giant scale aerobatic aircraft the Extra requires powerful heavy duty servos Servos greatly effect the flight performance feel and response of the model To get the most out of your Extra it s important to use ...

Page 3: ...nsions JRPA102 1 18 Servo Extensions JRPA101 2 6 Servo Extensions JRPA095 2 12 Servo Extensions JRPA099 Radio Equipment Non Computer Radio 7 Servos with 80 oz in of torque minimum JR8101 4721 2721 or 8411 or equivalent 3 Y Harnesses JRP133 4 18 Servo Extensions JRPA101 1000mAh receiver battery pack or larger 2 12 Servo Extensions JRPA099 2 6 Servo Extensions JRPA095 Note Requires one reversed serv...

Page 4: ...easure Scissors Moto tool with cut off wheel 8 32 Tap DUB363 Sealing iron Glue syringe or tooth pick 5 32 and 1 8 Hex wrench Adjustable wrench Addition Needed Items 4 spinner Propeller Refer to recommendations listed in your engine s operating instructions 2 gas compatible tubing Cup engine mount B B 6202 G 62 only Coarse sandpaper Radio packing foam Antenna tube 1 8 light plywood 4 1 4 20 x 1 4 S...

Page 5: ...lightly from the contents in the box 31 2 Wheels 2 DUB350L 41 2 4 40 Threaded Pro Links 4 HAN3556 5 4 40 Threaded Pro Links 2 HAN3557 32 oz Fuel Tank DUB690 Tail Wheel Assembly with Hardware OHI130 4 40 Ball Links 7 ROC87 8 32 Swivel Control Horns 6 ROC01B 4 40 Rod Threaded one end 6 DUB802 3 16 Main Axles DUB249 Super Hinge Points 24 ROB309 4 40 1 2 3D Arm 11 4 JR 2 HAN3578 4 40 1 2 HD Arm 1 JR 4...

Page 6: ... trailing edge of the wing Allow the servo lead to exit the root of the wing Refer to the photo in Step 4 Step 4 Using the screws included with the servo fasten the servo in place You may find it helpful to drill a 1 16 pilot hole before installing the screws Step 5 Remove the stock arms and replace with heavy duty 1 arms HAN3574 JR or HAN3575 to give the needed control throws and to handle the in...

Page 7: ...tion rather than the ailerons surface Be especially careful when penetrating through the bottom surface of the aileron as it s easy to split out the wood and rip the covering Placing a wooden block under the aileron and drilling slowly will prevent these problems If you choose to use the counter sink screws included in the Hangar 9 Hardware Package counter sink the top of the aileron to allow the ...

Page 8: ...32 x 2 into the tapped hole and securely tighten Wipe away any excess epoxy with rubbing alcohol and a paper towel Screw the A nut in place as shown Allow the epoxy to fully cure Step 7 Screw the molded swivel link onto the 8 32 screw until the distance from the aileron surface to the bottom of the link is 5 8 Step 8 Install the control horn in the opposite aileron using the same method Section 2 ...

Page 9: ...he hinge pin center is flush with the trailing edge of the wing Some epoxy should ooze out of the pocket as the hinge is installed If not remove the hinge and apply more epoxy After gluing a few hinges you ll get the hang of just how much epoxy is needed Wipe away any excess epoxy with rubbing alcohol Recheck that the center of the hinge pin is flush and parallel with the trailing edge Continue in...

Page 10: ...n on the wing making sure the hinges are inserted in their respective hinge pockets Press the aileron and wing together such that less than a 1 64 hinge line gap exists between the aileron and wing The bevels should virtually touch Using a paper towel and rubbing alcohol wipe away any visible epoxy around the hinges Step 6 Double check the hinge gap and allow the epoxy to fully cure for at least 6...

Page 11: ...h Step 1 Cut a piece of Pearl Blue UltraCote not included for sealing the ailerons to approximately 3 x 42 Fold the UltraCote down the center with the adhesive side to the outside making a sharp crease at the fold Step 2 Using a ruler measure 1 2 from the folded crease and mark two places with a pen Step 3 Using a sharp 11 blade and a straight edge carefully cut through both layers of UltraCote co...

Page 12: ...site side with a sealing iron We recommend setting the iron temperature to 320 for this operation Step 6 Fully deflect the aileron in the up position Place the straight edge over the hinge line covering that you just ironed down in Step 5 with the edge of the straight edge placed firmly at the bottom of the hinge line as shown Iron down this side of the covering making sure the aileron is fully de...

Page 13: ...hreads toward the servo arms on all servos will prevent you from getting confused as to which way to turn the linkage to lengthen or shorten the link Hangar 9 also offers a Pro Link Wrench HAN3558 to make adjustments easier Step 2 Using the 4 40 screws don t substitute a standard screw and nuts included in the Rocket City package attach the ball link to the outer hole in the arm from the bottom si...

Page 14: ...prevent disconnection The other two servos will be hooked up to the Y harness when installed in the airplane One elevator servo will need to be a reversed direction servo Section 5 Installing the Rudder and Elevator Servos Fuselage Not included 4 Servos a minimum of 80 in oz of torque w mounting hardware 2 Small cable ties Using a computer radio 4 24 Servo Extensions JRPA102 Using a non computer r...

Page 15: ... attached in the bottom opening rudder Install the other servos in the opposite side of the fuselage being sure to connect the servo to the other open connector of the respective Y harnesses Don t forget to tape and knot the connectors One of the elevator servos must be a reversed servo Step 3 Using the screws included with the servos fasten the servos in place You may find it helpful to drill a 1...

Page 16: ... the covering Placing a wooden block under the elevator and drilling slowly will prevent these problems If you choose to use the counter sink screws included counter sink the top of the elevator to allow the screws to fit flush Step 3 Using an 8 32 tap thread the holes that you just drilled in the elevators Section 6 Installing the Elevator Control Horns and Linkages Stabilizers w elevators 2 4 40...

Page 17: ...ite UltraCote for the bottom of the elevator You can substitute Clear UltraCote if White is not available Step 7 Notice that the longer of the two tail tubes has a hole at each end and that a hole is located near the center of the stab on the top It may be covered with UltraCote If so use a 11 knife blade to remove the covering over the hole A 4 40 x 3 8 socket head screw and split washer are thre...

Page 18: ...vo arms from the elevator servos and replace them with heavy duty 1 arms The arms need to face down as shown below Be sure to use a drop of Blue Locktite on the servo arm screw if using metal geared servos Step 12 Screw a 4 40 ball link 5 to 6 turns onto a 41 2 long 4 40 linkage Screw the opposite end of the linkage into the swivel control horn on the elevator Adjust the linkage length until the h...

Page 19: ...that you just drilled in the rudder Step 4 Mix a small amount of 30 minute epoxy and lightly coat the center of the threaded portion of the 4 long 8 32 bolt included with the Rocket City Swivel Horn package Thread the bolt into the tapped hole in the rudder until 1 of thread is exposed on the opposite side Section 7 Installing the Rudder Control Horns and Linkages Rudder Fuselage Not Included 2 Co...

Page 20: ...eed to be positioned as shown Step 10 Screw a 4 40 ball link 5 to 6 turns onto a 5 long 4 40 linkage Screw the opposite end of the linkage into the swivel control horn that was installed in Section 6 Adjust the length until the hole in the ball link lines up with the outer hole in the servo arm when the rudder is at neutral and the arm is centered Step 11 Using the 4 40 screws and nuts included in...

Page 21: ...l a 1 2 hole at the marked position on the wheel pants Be careful when drilling through the backside of the plywood plate as it s easy to split through the wood It may be easier to drill a smaller hole first then progressively increase to a larger bit size Section 8 Installing the Landing Gear Aluminum landing gear Fuselage 2 wheel pants 2 4 40 x 5 8 socket head screws 2 4 40 blind nuts 4 10 32 x ...

Page 22: ...ter we will fully seat the blind nut into the plywood when installing the pants on the landing gear Step 7 Install onto the axle in the following order wheel pant 3 16 collar wheel then another 3 16 collar It will be necessary to fit the parts inside the wheel pant and slide them onto the axle Step 8 Fasten the wheel pants in place using 4 40 x 5 8 screws with washer and split washer through the l...

Page 23: ...eels so that they are held in place Use Blue Locktite on the collar set screws Step 10 Remove the landing gear fairing by removing the nylon set screw and mount the landing gear to the fuselage using four 10 32 x 1 screws and locking nuts Section 8 Installing the Landing Gear CONTINUED ...

Page 24: ...sten the tail wheel bracket in place Note that a hardwood plate is positioned in the rear of the fuselage allowing these screws to be firmly tightened Hint Remove the 6 x 3 4 screws and wick thin CA into the holes to strenghten the threads When dry reinstall the screws Step 5 Using the provided spring hook up the tiller arm to the rudder per the instructions included with the tail wheel Section 9 ...

Page 25: ...oxy attach the battery tray in the fuselage in the front or rear position The battery tray is rear mounted for the Zenoah GT 80 or other twin engines The tray is mounted in front for the Zenoah G 62 and other lightweight engines Section 10 Installing the Receiver Battery and Fuel Tank Fuselage Included in Optional Hangar 9 Hardware Package 32 oz fuel tank Not Included Receiver 1000mAh or larger ba...

Page 26: ...nt Secure the tank in place by wrapping rubber bands or Velcro straps around the tank and tank floor Cup hooks can be used to hook the rubber bands to the tank floor Later we will run the fuel lines Reinstall the landing gear fairing at this time Step 6 Using 6 minute epoxy fasten the receiver mount in place as shown Step 7 Using foam and rubber bands or Velcro straps fasten the receiver in place ...

Page 27: ...centered over the four predrilled mounting holes Blind nuts will be mounted in these plates When the epoxy has cured drill through the front of the firewall using a 5 16 drill bit through the plywood plates at the four engine mounting hole locations Step 2 Fit the engine to the firewall using four 1 4 x 20 socket head screws split washers and blind nuts provided Fuselage Engine mounting adapter pl...

Page 28: ...and attach the 4 40 ball link to the pushrod and the servo arm Step 5 If using a Zenoah GT 80 attach a 4 40 x 6 threaded rod to the choke lever using a 4 40 ball link The 4 40 rod runs down through the engine mount and exits the bottom of the cowl Step 6 Run the fuel lines from the pick up in the tank to the carburetor and run the vent line out the bottom of the fire wall We recommend using a fuel...

Page 29: ... the four engine mounting hole locations 29 Step 3 Install the engine on the firewall using optional 1 4 20 x 11 2 socket head cap screws split washers and blind nuts Step 4 Mount the Zenoah throttle linkage to the engine as per the instructions included with the engine Cut out the servo hole in the bottom plate as shown and mount the servo Using a 4 40 threaded rod a solder link and a 4 40 ball l...

Page 30: ...d 1 3 Scale Pilot HAN8265 Scissors 5 32 hex wrench Canopy Glue Pacer Formula 560 or equivalent PAAPT56 Silicon glue 3M caulking Masking tape Parts Needed Tools and Adhesives Needed Section 12 Hatch Assembly Section 11 Mounting the Engine and Cowl CONTINUED Step 5 Optional muffler BIS07163 is recommended Install the muffler Step 6 Using a Moto tool with a cut off wheel and a drum sander cut an air ...

Page 31: ...ecommended center of gravity C G range Step 2 Fully assemble the model With a helper lift the airplane with your index fingers to find the balance point The balance point C G should lie between the two marks on the wing tip If not add the necessary weight to the nose or tail to obtain the correct balance Section 13 Balancing the Model Felt tipped pen Ruler Tools and Adhesives Needed Step 2 When sa...

Page 32: ...he aileron socket in the receiver while the left aileron plugs into channel 6 With flaperon activated in the programming this allows for independent travel adjustment of each aileron in each direction and electronic aileron differential Consult your manual for more programming details With a 6 channel computer radio it will be necessary to Y harness the 2 rudder and elevator servos a reversed elev...

Page 33: ...olutely necessary If the nose is down the throttle comes back CHECK The Prototype Model Setup All of the recommended settings in this manual are a result of the flight testing on the prototype Extras There are no secrets If you follow the instructions and these tips your Extra will be set up just like mine Although a computer radio is not mandatory it is preferable in this model I use Exponential ...

Page 34: ...less sensitive in the rpm ranges used for hovering the model This makes altitude control easier and smoother when doing Torque Rolls Rates and Expos when and where to use them I always use Expo to soften the feel of the model On high 3D rates I use quite a bit The goal on 3D rates is to get the model to feel the same around neutral as it does on low rates I use low rate settings for all flying exc...

Page 35: ...ibed in the manual Be sure to use Expo Setting the CG toward the aft location will help but I have had great results even at the forward CG location This is a wing tester and can be extremely violent but will always generate gasps of excitement But done correctly the Extra can hundle the challenge How to do it Start from about 400 500 feet straight and level chop throttle and push the nose straigh...

Page 36: ...or down from a hundred feet down to 20 feet or less and power up into a Torque Roll Ooh Worst way to mess up Let your direction control rudder get away from you after starting too low you could snap it right into the ground Ouch The Harrier What is it It is very slow forward flight in a very nose high about 45 degrees attitude Setup Same as the Elevator and the raised ailerons help in this maneuve...

Page 37: ...overs vertically in place rotating left around its roll axis Setup Full 3D throws in elevator and rudder are a must An aft CG helps a little Also gyros provide the best aid to stabilize the aircraft They won t do the maneuver for you but they ll help I found them a fantastic tool in learning to torque roll kinda like training wheels A few years ago gyros made a big difference for me now I don t us...

Page 38: ...d and it over stresses the wing Watch the speed The Wall What it is The Wall is a Parachute turned on end The model starts in normal level flight and suddenly corners nose up 90 degrees as if it hit a wall Setup Same as the Elevator and the raised ailerons help in this maneuver too How to do it Start from about 100 feet straight and level chop throttle and as the model begins to slow down quickly ...

Page 39: ...itromethane or hydrazine 9 I will not operate models with pyrotechnics any device that explodes burns or propels a projectile of any kind including but not limited to rockets explosive bombs dropped from models smoke bombs all 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 Nati...

Page 40: ... 2000 Horizon Hobby Inc www horizonhobby com Receiver Tray Template Battery Pack Tray Template ...

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