GREAT PLANES FUN-ONE Instruction Book
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GREAT PLANES FUN-ONE Instruction Book

GREAT PLANES FUN-ONE Instruction Book

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FUN-ONE
Great Planes Model Manufacturing Co., Inc. guarantees this kit to be free of defects in both material and workman-
ship at the date of purchase. This warranty does not cover any component parts damaged by use or modification. In
no case shall Great Planes' liability exceed the original cost of the purchased kit. Further, Great Planes reserves the right
to change or modify this warranty without notice.
In that Great Planes has no control over the final assembly or material used for final assembly, no liability shall be
assumed nor accepted for any damage resulting from the use by the user of the final user-assembled product.
By the act of using the user-assembled product the user accepts all resulting liability.
If the buyer is not prepared to accept the liability associated with the use of this product, he is advised
to immediately return this kit in new and unused condition to the place of purchase.
READ THROUGH THIS INSTRUCTION BOOK FIRST. IT CONTAINS IMPORTANT
INSTRUCTIONS AND WARNINGS CONCERNING THE ASSEMBLY AND USE OF THIS MODEL.
FUN1P02
INSTRUCTION BOOK
WARRANTY
P.O. BOX 788
URBANA, ILLINOIS 61801
217/367-2069

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Summary of Contents for GREAT PLANES FUN-ONE

  • Page 1 In that Great Planes has no control over the final assembly or material used for final assembly, no liability shall be assumed nor accepted for any damage resulting from the use by the user of the final user-assembled product.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ... . . 3 Shaping and Sanding ..31 INSTALL PUSHRODS AND Precautions ....3 RADIO COMPONENTS .

  • Page 3: Introduction

    Planes FUN-ONE! 2. You must take time to build straight, true and strong. The Great Planes FUN-ONE defines a new type of sport airplane. Its sleek looks arc not characteristic of the type of 3. You must use a proper R/C radio that is in first class planes that are as maneuvcrable as the FUN-ONE.

  • Page 4: Decisions You Must Make Now

    RADIO INSTALLATION The recommended engine size range is as follows: .25 - .40 cubic inch displacement 2-cycle The FUN-ONE is capable of using computer ra- .40 -.50 cubic inch displacement 4-cycle dios and other radios with mixing functions to pro- NOTE: There arc several "High Power"...

  • Page 6: Abbreviations

    TAIL FEATHERS COMMON ABBREVIATIONS USED IN THIS BOOK AND ON THE PLANS: BUILD THE STABILIZER AND Elev = Elevator ELEVATORS Fuse = Fuselage LE = Leading Edge (front) •LG = Landing Gear D 1. Tape the fuselage plan down to your flat work Lt=Left surface.
  • Page 7 D 8. Lay the 1/8" wire elevator joiner (WBNT145) D 5. Pin the leading and trailing edges in place and in place on the elevators and mark its outline using a fine glue everything together with thin CA point fell-tip pen. Be sure to position the joiner wire directly over where it is shown on the plans which gives you about 1/32"...

  • Page 8: Build The Fin And Rudder

    U 2. Cut the fin and rudder frame from the 1/4" x 1/2" and the 1/4" x 1" slicks and pin them in place over the plan. Put a drop of thin CA on each joint but be careful not to glue the fin to the rudder.

  • Page 9: Temporarily Install The Hinges

    TEMPORARILY INSTALL HINGES (Do not glue) NOTE: On an experimental basis, we have included "laminated hinges" in this kit, and the following instruc- tions are written for this type of hinge. Our R&D depart- ment has thoroughly tested these hinges and found them to be easy to install and sufficiently strong and durable for this type of airplane.

  • Page 10: Fuselage Assembly

    D C. Trial fit the hinge into the slot. If the hinge is difficult to push in, re-insert the knife and move it back and forth in the slot a few limes to enlarge the slot. D 2. Position one of the 1/8" die-cut balsa rear fuse sides (FUN1F02) behind the front fuse side you just assembled.

  • Page 11: Prepare Firewall

    holes. This will automatically center it. Hold it in place and use a nail to make a mark in the center of each hole. D 2. Remove the engine mount and drill 9/64" holes at the bolt locations, then install the 4-40 blind nuts (NUTS001) on the BACK of Fl.
  • Page 12 Make sure everything is seated properly and apply thin CA to all of the joints starling at former Fl and working your way to the rear. At the rear of the fuse glue the two sides together. Do one former/section at a time and hold everything lightly together while the glue cures.
  • Page 13 D 9. Using epoxy securely glue the 1/4" plywood wing bolt block (FUN1F18) in place. Notice that the block is cut square and there is a slight gap towards the rear. Simply press the fuselage sides up tight against the wing bolt block until the glue cures.
  • Page 14 D 17. Locate the 1/16" x 2-5/8" x 16" turtle deck sheeting (FUN1F16) and cut it in two as shown in the sketch below. Cut here 1/4" 2-3/8" 14. Center former F4T (FUN 1F08) on top of former F4A/B. The back of F4T should be lined up with the back Turtle Deck Sheeting of F4B and it should be tilted back until the top of F4T is 4-5/8"...
  • Page 15 D 20. Cut the sheeting off flush with former F4T and the D 23. Glue the 3/32" die-cut turtle deck face (FUN 1 F07) end of the stringers and use a sanding block to sand the top in place on the front of F4T and sand it flush using a of the sheeting flush with the top of the formers and sanding block pressed flat against the t u r t l e deck.

  • Page 16: Wing Assembly

    D 26. Glue the 1/16" x 1" x 1" plywood hatch tongue to round off the back edge of the hatch because the wing (FUN1F12) to the front of the hatch (FUN1F10) so that fairing will bull up against this surface. half of the tongue extends past the edge of the hatch.
  • Page 17 and any other imperfections. If possible, position each spar so the imperfections (if any) are on the outer half of NOTE: Follow steps 6 through 13 to build the the wing panel (toward the tip), where they will be least LEFT wing panel, then repeat these steps to build affected by high stress.

  • Page 18: Join The Wing Panels

    D D 9. (Glue the top spar in place with the spar doubler NOTE: There will be a small gap between the ribs and the facing down. Glue the LE in place making sure it is resting webs but this is normal. properly in the jig labs and it is centered "UP and DOWN"...
  • Page 19 cures. Make sure the spars are precisely lined up with each other. trail ing edges. The top of the dowel aligner should he flush with the top of the trailing edges. Sand or file a round notch in each trailing edge where the dowel aligner notches are as shown in the photo.
  • Page 20 the plywood ribs. NOTE: when making this rib assembly for the other wing, be sure to glue the plywood ribs to the opposite sides of the W 1 C ribs so you will have a "right" and a "left" as the photo above shows. D 11.
  • Page 21 D 15. Glue the 1/8" plywood W2A's (FLJN1W01) to the 1/8" balsa W2C ribs (FUN 1W02). Make a RIGHT and a LEFT! D 16. Measure to find the middle of the 1/4" plywood wing bolt plate (FUN1 Wl 5) and make a mark at the front edge.

  • Page 22: Sheet The Leading Edges

    SHEET THE WINGS NOTE: In the next steps, maintain straightness by keeping the wing down on the flat surface. D 1. Before applying the leading edge sheeting in the next step, use yourT-bar to lightly sand o f f any protruding edges on the shear webs and smoothly blend the ribs to the spars.
  • Page 23 D 10. Install the top 1/16" wing sheeting using the same procedure. D 11. Cut a hole in the lop sheeting above each wing bolt hole big enough to get the wing bolts in and out. INSTALL AILERON SERVOS IF YOU ARE GOING TO INSTALL TWO pressure to hold the sheeting down until the glue has set.

  • Page 24: Add The Center Sheeting

    D 4. Position the servo in the center of the rib bay and end flush with rib Wl B. Any extra tube protruding more mark on the rails, through the mounting holes, where to than 1/4" past Rib W4 can be cut off. Glue the tube into drill.

  • Page 25: Install Aileron Torque Rods

    Cut out for dowels that they follow the natural contour of the wing and are not tilted up or down. Sand them to fair smoothly with the TE and sand the ends flush with rib W10. D 6. Tack glue the 1/8" plywood Wing Tips (FUN1W01) in place with two drops of med.

  • Page 26: Install Ailerons

    D 3. Roughen the unthreaded end of the aileron torque D 1. Draw an accurate centerline along the LE of the rods (WBNT153) with 100-grt sandpaper, and file the tapered balsa ailerons and the wing TE. same end to a wedge shape. D 2.

  • Page 27: Final Assembly

    D 8. Insert the hinges into the slots and trial fit the ailerons in place on the wing. Do not glue the hinges until after you have covered the wing. There should be no hinge gap! FINAL ASSEMBLY landing gear to the fuselage with 4-40 x 3/8" machine INSTALL LANDING GEAR screws (SCRW031) and #4 flat washers.

  • Page 28: Fit Fuel Tank And Fuelproof Tank Compartment

    against the firewall. Try not to "kink" the tubes when bending (See photo at step 4). D 4. With the engine on the mount, plan the throttle pushrod routing. A flexible cable type pushrod is recom- mended for this application since it has to bend under the fuel lank.

  • Page 29: Mount Stabilizer And Fin

    will need to cut away the turtle deck top to allow the fin to MOUNT STABILIZER AND FIN sit flat on the stab. Now cut through the turtle deck top 1/8" on both sides of this line and trial fit the fin on the stab. The fin trailing edge must line up with the aft end of the D 1.

  • Page 30: Install Canopy

    INSTALL CANOPY BUILD THE WING FAIRING D 1 . Sand the 3/32" die-cut balsa wing fairing front (FUN 1 F07) to fit down against former F2B. The top edge of the fairing front should be 1/16" lower than the top of the hatch.

  • Page 31: Shaping And Sanding

    bolts will fit back in, then reinstall the wing. Sand the D 5. Attach the clevises to the clevis connectors, then, fairing to blend in with the fuselage and the wing. Add with the ailerons in the neutral position, mark the pushrod filler where necessary to make a nice smooth fairing.

  • Page 32: Throttle Servos

    D 5. Snap the nylon clevis onto the control horn (the servo rails (FUN1F19). If you have a servo tray for 3 second hole from the outside) and lay the pushrod across servos that will fit you can use it on top of the servo rails. the servo horn.

  • Page 33: Control Surface Throws

    D 18. Securely anchor the pushrod guide lubes to F-4 guide tubes. If the tubes are not a tight friction fit on the using cross-braces cut from scrap 1/8" balsa. pushrod wires, apply a drop of thin CA to secure them. D 19.

  • Page 34: Finishing

    ing 1/2" wide strips of covering in the corners between the FINISHING fin and slab, and (on the bottom of the stab) between the slab and the fuse sides. Next, cover the stab and fin with pre-cut pieces that have a straight edge to overlap (1/8"+ BALANCE THE AIRPLANE LATERALLY overlap) the strips you previously applied.

  • Page 35: Glue The Hinges

    the inside of the airfoil shape you just drew. Try to stay epoxy. Now carefully position the rudder with respect to approximately 1/8" inside the line. Glue the wing tips in the fin, and glue the hinges with thin CA, in the same place with med CA.

  • Page 36: Wing Seating

    D 4. The unsightly glue that is visible now can be for landing. Moving the balance aft makes the model hidden by applying striping tape around the base and back more agile with a ligliler and snappier "feel" and often of the canopy.

  • Page 37: Pre-Flight

    *NOTE: These control surface "throws" are approximate and possible radio interference. and provide a good starting point for the first flights with your FUN-ONE. You may wish to change the throws slightly to provide the smoothness or quickness that you GROUND CHECK THE MODEL prefer.

  • Page 38: Ama Safety Code

    Make sure fuel lines are in good condition so fuel is not leaked onto a hot engine causing a fire. The Great Planes FUN-ONE is a great flying sport To stop the engine, cut off the fuel supply by closing...

  • Page 39: Flying

    You will find that the FUN- ONE will slow up very well and land very nicely and predictably. If your FUN-ONE is built straight and true, you'll find that you can really flare it out for slow, nose- high, full-stall landings without fear of tip stalling.
  • Page 40 Fuselage and Wing Plan FUN1P01 FUN1W11 Balsa 1/16 Wing Sheeting FUN1P02 Instruction Book CANPY047 Clear Canopy SUB-PACK LONG STICKS (FUN1A07) DECAL001 Great Planes Decal BAL143 Balsa Triangle 1/4x30 Landing Gear L-6U FUN1S01 Balsa 1/4 Stab/Fin Frame Motor Mount MM19D90 FUN1S02 Balsa 1/4 Stab/Fin Ribs Plastic Outer Pushrod Tube 24"...

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