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Extreme Flight RC 61 Extra 330 LT Assembly Manual

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Assembly Manual / Airframe – 61" Extra 330 LT
Thank you for purchasing this 3DHobbyShop by Extreme Flight ARF RC aircraft. If you have
any issues, questions, concerns or problems during assembly, please contact our tech
department at: Info@extremeflightrc.com or 770-887-1794 10am-5pm Eastern Monday thru
Friday.
SAFETY in Assembly
During assembly of this aircraft, you will be asked to use sharp knives and hobby adhesives.
Please follow all safety procedures recommended by the manufacturers of the products you use,
and always follow these important guidelines:
ALWAYS protect your eyes when working with adhesives, knives, or tools, especially power
tools. Safety glasses are the best way to protect your eyes.
ALWAYS protect your body, especially your hands and fingers when using adhesives, knives,
or tools, especially power tools. Do not cut toward exposed skin with hobby knives. Do not
place hobby knives on tables or benches where they can roll off or be knocked off.
ALWAYS have a first-aid kit handy when working with adhesives, knives, or tools, especially
power tools. ALWAYS keep hobby equipment and supplies out of the reach of children.
SAFETY in Flying
This is NOT a toy! It is a very high-performance RC airplane capable of high speeds and
extreme maneuvers. It should only be operated by a competent pilot in a safe area with proper
supervision.
•
ONLY fly your aircraft in a safe, open area, away from spectators and vehicles and
where it is legal to fly. NEVER fly over an unsafe area, such as a road or street.
•
NEVER fly near overhead power or utility lines. If your airplane ever becomes stuck in
a line or a tree DO NOT attempt to retrieve it yourself. Contact the authorities for
assistance in retrieving your aircraft. Power lines are DANGEROUS and falls from
ladders and trees CAN KILL!
•
Never fly too close to yourself or spectators.
Spinning propellers are DANGEROUS!
•
Never run your motor inside a house or building with the propeller attached Remove the
prop for safety. Always fly within your control.
Always follow manufacturers instructions for your radio system.
•
•
Always preform a pre-flight check of your aircraft to be certain of the aircraft's
airworthiness.
•
for more information.
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Summary of Contents for Extreme Flight RC 61 Extra 330 LT

  • Page 1 Assembly Manual / Airframe – 61” Extra 330 LT Thank you for purchasing this 3DHobbyShop by Extreme Flight ARF RC aircraft. If you have any issues, questions, concerns or problems during assembly, please contact our tech department at: Info@extremeflightrc.com or 770-887-1794 10am-5pm Eastern Monday thru Friday.

  • Page 2: Limits Of Responsibility

    Limits of Responsibility Extreme Flight provides high-quality aircraft and components to it's customers and end users. These aircraft and components are assembled by the end user to produce a flying model. It is beyond Extreme Flight's control to monitor the end user's completed aircraft. Therefore, Extreme Flight in no way accepts or assumes responsibility or liability for damages resulting from the end user assembled product.

  • Page 3: Let's Get Started

    natural property of balsa wood. As your airplane adjusts to the weather in your part of the world, wrinkles may appear and disappear. Wrinkles may be removed with the gentle application of heat to the covering material on your airplane. The best tools to use are a heat gun and covering iron. Apply the heat gently: the covering material will shrink as you apply the heat, and this will remove the wrinkles.
  • Page 4 61" Extra Hardware Apply threadlock to wheel collar set screw.
  • Page 5 Install the wheels onto the axles and secure with the wheel collars, as shown. Slide one wheel/axle assembly into a wheel pant, and install the wheel assembly on the landing gear leg. Tighten the locknut as shown to secure the assembly onto the gear leg. Repeat for other side.
  • Page 6 Attach the gear to the fuselage with short 3mm screws, use loctite. Install gear cover plate as shown, with clear tape, thick CA or epoxy glue. Remove covering over horizontal stabilizer slot on both sides of fuselage as shown. Remove covering over elevator servo opening on LEFT side of the fuselage as shown.
  • Page 7 Remove covering over wing tube, wing bolt, aileron servo extension and anti-rotation pin hole as shown. Repeat for opposite side. Insert horizontal stabilizer in slot. Install carbon wing tube in fuselage. Compare horizontal stabilizer with the wing tube. Sand or shim slot so stabilizer is parrallel with wing tube.
  • Page 8 Center the stabilizer side-to-side in the slot using a ruler. Install the carbon wing spar tube into the fuselage (Note – never glue the carbon wing spar tube to the airplane, it is designed to be removable). Install the wings temporarily.
  • Page 9 When stabilizer is centered and aligned, drip Thin CA glue onto the stab-to-fuselage joint top and bottom. NOTE: We do not remove any covering form the horizontal stabilizer. This keeps the stabilizer strong, and thin CA makes an excellent joint to covering material. If your stab joint is not tight enough for thin CA glue, or if you have to trim the opening to align the stab, you can use thick CA glue as well.
  • Page 10 Install both elevator halfs. Make sure elevator is centered and counter- balances do not touch horizontal stabilizer. Apply two large drops of thin CA to each hinge in ELEVATOR HALF WITH JOINER. Make sure elevator flexes 45º up and down. Place a generous amount of medium or thick CA into the joiner slot on the remaining elevator, and slide the elevator into place on the...
  • Page 11 Install elevator control horn into elevator as shown using a generous amount of medium or thick CA glue. Install elevator pushrod onto horn as shown after installing the elevator servo with wood screws included with servo. Tighten the ball-link to the elevator horn and servo arm using a 2mm bolt, washer, and locknut.
  • Page 12 Glue rudder control horn with medium or thick CA and center. Install rudder using two generous drops of thin CA on each hinge...
  • Page 13 Use threadlock on tailwheel assembly set screws. Install tailwheel as shown using included wood screws. Make certain tailwheel and rudder flex freely. Builders tip: Install wood screws once then remove. Use thin CA to harden screw holes. Let CA cure and reinstall wood screws.
  • Page 14 The rudder pull-pull cables are assembled as shown in the above diagram. Assemble the pull-pull wires onto the rudder horn as shown, double-looping the wire through the brass crimp sleeve before crimping. Crimp the brass crimp sleeve tightly with pliers and apply a drop of thin CA to the crimp. Be SURE to use medium or thick CA to lock the 2mm nuts on the rudder control horn.
  • Page 15 Mount the rudder servo and assemble the connectors onto the rudder servo arm as shown. Note that the connectors must be free to rotate on the servo arm. We use CA to lock the nut on the bottom of the connector for this reason. Assemble the front ends of the pull-pull cables as shown, double looping the wire through the crimp sleeve.
  • Page 16 Align the ailerons on the wing. Be sure the graphics line up. This is easiest working with the bottom up. Glue the aileron hinges with 2 drops each of thin CA. Flex aileron to achieve at least 30º travel up and down. Reapeat for other wing.
  • Page 17 Mount the aileron servo with wood screws include with the servo. Assemble the aileron pushrod as shown. Tighten the ball-link to the aileron control horn and servo arm using a 2mm bolt, washer, and locknut. Repeat for other wing. Mount the wings to the fuselage using the nylon thumbscrews.
  • Page 18 Your Extra includes optional Side-Force-Generators (SFG’s) for the wingtips. Install them as shown with the spacers in-between the SFG and the wing. The wing tip is mounted outside of the SFG. It is a good idea to use thin CA glue to harden the screw holes in the wingtips, this will allow you to remove and insert the SFG screws many times.
  • Page 19 Use the X-mount for your motor to mark the firewall for drilling. Drill the 4 mounting holes. The firewall of the Extra is arranged to allow the widest possible selection of motors to fit. Extra space has been provided for long motors and long prop adaptors. For this reason, if your motor is compact, you will need to supply spacers to extend the motor forward as shown.
  • Page 20 Install motor and Electronic Speed Control as shown. The cowl is mounted onto the fuselage with 4 wood screws. These screws go into the small plywood squares on the front inside of the fuselage. Soak these squares in thin CA glue to harden them before proceeding. The following procedure is helpful to be sure the wood screws hit the plywood squares.
  • Page 21 Install the canopy hatch (if the canopy hatch is not installed when you fit the cowl, it may be impossible to fit the canopy hatch after the cowl is installed!). When you are satisfied with the cowl fit, tape the cowl to the fuselage with masking tape.
  • Page 22 Locate the balsa receiver mount marked “Rx”. You can mount your receiver to this mount with Velcro and use CA glue to mount the balsa to the airframe. Apply one side of the self-adhesive Velcro tape to the battery tray, the other to your battery.
  • Page 23 NOTE: Your Extra includes a decal set. The wing decals are large and installing them is a two-person job. When you cut around the decal and remove it from its backing sheet, have an extra pair of hands available to prevent the decal from curling back on itself.
  • Page 24 After your first flights, check all control connections and motor and prop mounts for tightness. We hope you enjoy your 3D HOBBY SHOP Aircraft. Be sure to look for new aircraft and products coming soon from ExtremeFlightRC.com Copyright 2015 Extreme Flight RC...