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WATT AGE Crazy 8 Instructions For Final Assembly

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Specifications:
Wing Span: 31-5/8 inches
Wing Area: 270 square inches
Length: 32.5 inches
Weight: 25 - 28 ounces
Functions: Ailerons, Rudder, Elevator, Throttle
Radio: 4 Channel Micro System
FOR YOUR INFORMATION
To make your modeling experience totally enjoyable, we recommend that you get experienced, knowledgeable help with
assembly and during your first flights. Your local hobby shop has information about flying clubs in your area whose
membership includes qualified instructors. If there is no hobby shop in your area, we recommend that you contact the
AMA at the address below. They will be able to help you locate a flying field near you.
All contents copyright © 2001, Global Hobby Distributors Version V1.0 July 2001
INSTRUCTIONS FOR FINAL ASSEMBLY
Academy of Model Aeronautics
5151 East Memorial Drive
Muncie IN 47302-9252
www.modelaircraft.org
The Wattage Crazy-8 EP ARF is distributed exclusively by
Global Hobby Distributors 18480 Bandilier Circle, Fountain Valley, CA 92728
Need help or have any questions? Email us at service@globalhobby.net
(800) 435-9262
1

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  • Page 1 Specifications: Wing Span: 31-5/8 inches Wing Area: 270 square inches Length: 32.5 inches Weight: 25 - 28 ounces Functions: Ailerons, Rudder, Elevator, Throttle Radio: 4 Channel Micro System INSTRUCTIONS FOR FINAL ASSEMBLY FOR YOUR INFORMATION To make your modeling experience totally enjoyable, we recommend that you get experienced, knowledgeable help with assembly and during your first flights.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety Warning ......................2 Introduction ....................... 3 Our Recommendations ....................4 Kit Contents ....................... 5 Metric Conversion Chart ................... 5 Tools and Supplies Required ..................6 Replacement Parts ..................... 6 A Note About Covering .................... 7 Section 1: Hinging the Control Surfaces ............7 Section 2: Mounting the Wing ................

  • Page 3: Introduction

    INTRODUCTION Thank you for purchasing the new Wattage Crazy-8 EP ARF. Before completing the final assembly of your new airplane, please carefully read through this instruction manual in its entirety. Doing so will ensure success the first time around! The Crazy-8 is a four channel, built-up electric aerobatic airplane built specifically for flying in small parks or fields. When set up with a standard four channel radio the Crazy-8 is a stable flyer, yet capable of most aerobatics.

  • Page 4: Our Recommendations

    OUR RECOMMENDATIONS This section lists the items you will need to purchase for your new Crazy-8 EP. These suggestions are not set in stone, but they should provide you with a good starting point. There are numerous different types and combinations of accessories available that will work with your Crazy-8. The way you want the airplane to fly should ultimately determine the types of accessories you choose.

  • Page 5: Kit Contents

    KIT CONTENTS We have organized the parts as they come out of the box for easier identification during assembly. Before you begin assembly, group the parts as we list them below. This will ensure that you have all of the parts before you begin assembly and it will also help you become familiar with each part.

  • Page 6: Tools And Supplies Required

    TOOLS AND SUPPLIES REQUIRED Kwik Bond Thin C/A # 887500 Ernst Airplane Stand # 223977 Ruler Kwik Bond Thick C/A # 887510 Kwik Bond 5 Minute Epoxy # 887560 Pencil Kwik Bond C/A Debonder # 887545 Builder's Triangle # 0 Phillips Head Screwdriver 220 Grit Sandpaper w/Sanding Block # 1 Phillips Head Screwdriver Dubro T-Pins # 567677...

  • Page 7: A Note About Covering

    A NOTE ABOUT COVERING The covering material used on your airplane is real iron-on heat shrink covering material, not cheap "shelf paper." Because of this, it is possible with heat and humidity changes that the covering on your airplane may wrinkle or sag. This trait is inherent in all types of heat shrink material.

  • Page 8: Section 2: Mounting The Wing

    Slide the aileron and its hinges into the hinge slots in the trailing edge of the wing. Adjust the aileron so that the tip of it is even with the tip of the wing. While holding the aileron tight against the wing, pivot the aileron down about 45º...
  • Page 9 Secure the wing into place using the 3mm x 20mm machine screw and one 3mm flat washer. Don't overtighten the screw. You don't want to crush the wing or distort the trailing edge. Step 2: Installing the Belly Pan Using a modeling knife, remove the covering from over the two air-exit holes in the bottom of the belly pan.

  • Page 10: Section 3: Mounting The Horizontal Stabilizer

    Secure the belly pan into place using two 3mm x 10mm machine screws and two 3mm flat washers. Don't overtighten the screws or they will crush the sides of the fuselage. IMPORTANT Leave the wing installed for now. It needs to be in place to help you align and mount the horizontal stabilizer in the next section.
  • Page 11 Set the stabilizer onto the fuselage. Line up the centerline mark you drew on the trailing edge of the stabilizer with the center of the fuselage. Hold the stabilizer temporarily in place (only at the trailing edge) using a pin. IMPORTANT The stabilizer should be pushed forward completely.
  • Page 12 Step 2: Mounting the Horizontal Stabilizer Once you're satisfied with the alignment, use a pencil to draw a line on the bottom of each side of the stabilizer where it meets the fuselage sides. After drawing the lines, remove the stabilizer. Using a modeling knife, cut away the covering from between the lines.

  • Page 13: Section 4: Mounting The Vertical Stabilizer

    Test-fit the filler block into place, making sure that it is flush with the sides and back edge of the fuselage. When satisfied with the fit, remove the covering material from the gluing surfaces and glue the filler block into place using thick C/A.

  • Page 14: Section 5: Installing The Landing Gear

    Remove the stabilizer. Using a modeling knife, cut away the covering from be- low the outlines you drew. Remove the covering from the remaining gluing surfaces. This includes the back edge of the fuselage, the front edge of the vertical post, the bottom of the vertical stabilizer, the top of the filler block and inside the triangle support stock. Set the stabilizer back into place and realign it.
  • Page 15 Line up the 90º bend in each landing gear wire with the predrilled holes in the landing gear block. Firmly push the wires into the holes. When aligned properly, both wires should be flush with the bottom of the fuselage. Step 2: Installing the Landing Gear Straps The landing gear wires are held in place using two nylon landing gear straps.

  • Page 16: Section 6: Installing The Motor

    SECTION 6: INSTALLING THE MOTOR YOU'LL NEED THE FOLLOWING PARTS: {4} 3mm x 12mm Wood Screws {1} Motor Strap Set for Direct Drive {1} Motor Strap Set for Gear Boxes {1} Molded Spinner {1} Plywood Shim (D-26) YOU'LL NEED THE FOLLOWING SUPPLIES: # 1 Phillips Head Screwdriver Electric Drill Wire Cutters...
  • Page 17 Using a modeling knife, carefully cut away and remove the plywood support brace that's built across the nose of the fuselage. This must be removed to allow clearance for the propeller adaptor shaft. Set the lower mounting straps (the deeper ones) onto the motor mounting plate.
  • Page 18 Step 2: Mounting the Motor While holding the motor assembly aligned, use a pencil to mark the locations of the four mounting screws. Remove the motor assembly and the mounting straps. Drill 1/16" pilot holes through the plywood mounting plate at the marks you drew. WARNING Be careful not to drill through the sides of the fuselage.

  • Page 19: Section 7: Installing The Servos

    SECTION 7: INSTALLING THE SERVOS YOU'LL NEED THE FOLLOWING SUPPLIES: # 1 Phillips Head Screwdriver Ernst Airplane Stand Excel Modeling Knife Ruler Electric Drill Masking Tape 1/16" Drill Bit Step 1: Installing the Rudder & Elevator Servos Install the rubber grommets and brass collets onto your elevator and rudder servos.
  • Page 20 While holding the servos in place, drill 1/16" pilot holes through the servo rails for the mounting screws. It's important to drill pilot holes to prevent the rails from splitting. Install the servos using the wood screws provided with your radio system. Step 2: Installing the Aileron Servos Install the rubber grommets and brass collets onto your two aileron servos.

  • Page 21: Section 8: Installing The Elevator Pushrod

    SECTION 8: INSTALLING THE ELEVATOR PUSHROD YOU'LL NEED THE FOLLOWING PARTS: {2} 2mm x 16mm Machine Screws {1} 1.5mm x 305mm Pushrod Wire {1} Clevis Retainer Tubing {1} Nylon Control Horn w/Backplate {1} Nylon Clevis YOU'LL NEED THE FOLLOWING SUPPLIES: # 1 Phillips Head Screwdriver 5/64"...
  • Page 22 Step 2: Installing the Pushrod Using a modeling knife remove the covering material from over the elevator pushrod exit hole in the right side of the fuselage. The hole is located 9/16" down from the bottom of the stabilizer and 2-7/8" in front of the rudder hinge line. Using a modeling knife, remove all but one arm from a small "4-point"...
  • Page 23 Use a couple of pieces of masking tape to hold the elevator centered. Thread the nylon clevis onto the threaded end of the pushrod wire until the clevis lines up with the holes in the control horn. Use needle nose pliers to keep the pushrod wire from twisting.

  • Page 24: Section 9: Installing The Rudder Pushrod

    SECTION 9: INSTALLING THE RUDDER PUSHROD YOU'LL NEED THE FOLLOWING PARTS: {1} 1.5mm x 325mm Pushrod Wire {2} 2mm x 16mm Machine Screws {1} Nylon Control Horn w/Backplate {1} Clevis Retainer Tubing {1} Nylon Clevis YOU'LL NEED THE FOLLOWING SUPPLIES: # 1 Phillips Head Screwdriver 5/64"...
  • Page 25 Insert the Z-Bend in the 325mm long pushrod wire into the fourth hole out from the center of the arm. You will have to enlarge the hole using a 1/16" drill bit so the pushrod will fit properly. IMPORTANT Make sure the longer portion of the pushrod wire is toward the top of the servo arm. Connect your radio system and plug the rudder servo into the receiver.

  • Page 26: Section 10: Installing The Aileron Pushrods

    SECTION 10: INSTALLING THE AILERON PUSHRODS YOU'LL NEED THE FOLLOWING PARTS: {2} 1.5mm x 85mm Pushrod Wires {4} 2mm x 16mm Machine Screws {2} Nylon Control Horns w/Backplates {1} Clevis Retainer Tubing {2} Nylon Clevises YOU'LL NEED THE FOLLOWING SUPPLIES: # 1 Phillips Head Screwdriver 5/64"...
  • Page 27 Connect your radio system and plug the aileron servo into the receiver. Double-check that the aileron trim lever on your transmitter is centered and turn on the radio system. Install the servo horn onto the servo, making sure it's centered. The servo horn should point toward the wing tip.

  • Page 28: Section 11: Installing The Cowl

    SECTION 11: INSTALLING THE COWL YOU'LL NEED THE FOLLOWING PARTS: {1} Molded Plastic Cowl {4} 2mm x 6mm Wood Screws YOU'LL NEED THE FOLLOWING SUPPLIES: # 0 Phillips Head Screwdriver Ernst Airplane Stand Excel Modeling Knife Pencil Scissors 220 Grit Sandpaper w/Sanding Block Electric Drill Masking Tape 1/16"...

  • Page 29: Section 12: Installing The Canopy

    Step 2: Mounting the Cowl Drill 1/16" pilot holes into the cowl and through the cowl mounting blocks for the wood screws. Do not install the cowl yet. Remove the masking tape and cowl from the fuselage. Using a modeling knife, carefully cut open the two molded air-exit holes in the back of the cowl and cut an air-intake hole in the front of the cowl.

  • Page 30: Section 13: Final Assembly

    Set the canopy onto the fuselage and center it over the cockpit opening. Look from the front to make sure the canopy is centered with the middle of the fuselage, too. When satisfied with the fit, use pieces of masking tape to hold the canopy in place.
  • Page 31 Cut out each of the decals and apply them using the box cover photos for reference. If any air bubbles form under the decals you can "prick" the bubbles with a pin to release the air. Step 2: Installing the Electronic Speed Control (ESC) Remove the cowl from the fuselage and set it aside for now.
  • Page 32 Drill a 5/64" hole through the center of the servo hatch cover. Thread the end of the receiver antenna through the hole and set the hatch cover into place. Use a couple of short pieces of Scotch tape to hold the ®...

  • Page 33: Section 14: Balancing

    SECTION 14: BALANCING YOU'LL NEED THE FOLLOWING SUPPLIES: # 1 Phillips Head Screwdriver Masking Tape Ruler IMPORTANT It is critical that your airplane be balanced correctly. Improper balance will cause your airplane to lose control and crash! Center of Gravity Location: 2-7/8"...

  • Page 34: Section 15: Control Throws

    SECTION 15: CONTROL THROWS We recommend setting up the Crazy-8 using the control throws recommended in the pushrod installation steps. Those control throws are suggested for initial test flying. If you haven't set up the control throws yet, we have listed them here again.

  • Page 35: Section 17: Preflight Check And Safety

    FLAPERON AND SPOILERON MIXING Because the Crazy-8 uses individual aileron servos, they can be plugged separately into the receiver and will allow the use of flaperons (both ailerons down at the same time) and spoilerons (both ailerons up at the same time). These functions can then be mixed with the elevator for extreme pitch changes useful in 3D maneuvers.
  • Page 36 Check the condition of the transmitter batteries. They should be fully charged. Check every bolt and every glue joint in the Crazy-8 to ensure that everything is tight and well-bonded. This should include all of the control surface hinges, too. Double-check the balance of the airplane.

  • Page 37: Section 18: Flying The Crazy-8 Ep

    SECTION 18: FLYING THE CRAZY-8 EP The Crazy-8 can take off from the ground or be hand-launched. We recommend ground take-offs only from hard smooth surfaces or very short grass. Taking Off from the Ground With the airplane pointing into the wind, apply full power and feed in right rudder to keep the airplane tracking straight as it rolls down the runway.

  • Page 38: Trim Chart

    TRIM CHART After you have test flown and done the initial trim changes to the aircraft, use the Trim Chart below to begin trimming your airplane. Following and adhering to this chart will result in the ability to diagnose trim problems and correct those problems using the simple adjustments shown below.

  • Page 39: Product Evaluation Sheet

    ODUCT EV ODUCT EV A L U A L U A L U A A A A A TION SHEET TION SHEET TION SHEET P R ODUCT EV ODUCT EV ODUCT EV A L U A L U TION SHEET TION SHEET ODUCT EV ODUCT EV...
  • Page 40 _____________________________ _____________________________ Post Office will not deliver _____________________________ without proper postage (Return Address Here) Global Hobby Distributors Attn: Customer Service 18480 Bandilier Circle Fountain Valley CA 92728-8610 Fold along dotted line Need help or have any questions? Call us at 1-714-963-0329...

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