Great-planes Ultra Sport 40 Plus Kit - GPMA0390 Manuel d'utilisateur

WARRANTYGreat Planes®Model Manufacturing Co. guarantees this kit to be free from defects in both material and workmanship at the date ofpurchase.This

❏ 11. Join two 19" [480mm] sheets together. Tape themtogether with masking tape, then flip the sheets over andglue the other side with thin CA. L

❏ 17. Cut six 3/4" x 1" [19mm x 25mm] hinges from the CAhinge strip. Snip off the corners so they go in easier.❏ 18. Drill a 3/32" [2.4

around it using the 1/8" x 1/2" x 30" [3.2mm x 13mm x760mm] balsa sticks. Cut them to size as shown on the plan.❏ 2. Finish the inner s

❏ 9. Cut the hinge slots on the trailing edge of the fin andthe leading edge of the rudder following the same procedureused on the stab and elevators.

❏❏7. Locate two 1/8" x 1/4" x 30" [3.2mm x 6.4mm x760mm] hardwood wing spars. Insert them in place in theribs as shown. You should now

❏❏13. Locate one die-cut 1/8" [3.2mm] lite-ply aileronservo tray (AST).The tray is not symmetrical because ofthe sweep of the main wing spar. Pla

❏❏19. Locate one 1/16" x 1/2" x 30" [1.6mm x 13mm x760mm] balsa sub-leading edge. Glue it in place in front ofall ribs with medium CA.

The strength of your landing gear depends on how well youglue these parts in place. Make sure W3-A, WL-A and W4-A are also glued well to the wing’s ma

❏❏30. Flip the wing over again to work on the top side.Locate a 1/16" x 3/4" x 30" [1.6mm x 19mm x 760mm] balsastick. Glue the stick fl

❏❏36. Cut the leftover sheeting from step 31 with thegrain into 3/8" [9.5mm] wide balsa strips. Use these strips tomake your cap strips. Cut the

INTRODUCTION ...2SAFETY PRECAUTIONS...

sand the trailing edge sheeting flush with the wing trailingedge (TE). Sand the top and bottom of the wing smooth.❏❏41. Mark the trailing edge of the

21❏❏45. Locate the 1/4" x 5/8" x 30" [6.4mm x 16mm x760mm] balsa leading edge and glue it to the sub-leadingedge of the wing. Cut the p

❏❏49. Retractable Mains/Fixed Tailwheel. Fit your retractablelanding gear to the opening. Cut the sheeting as needed sothat the gear is flush with the

❏ 1. Make a line joining the edges of the top and bottommain spars on both wing roots as shown above. Cut out thewood between the lines.❏ 2. Locate th

❏ 5. Locate the die-cut wing dowel plate (WDP) andcenter it between ribs W2 as shown above. Once satisfiedwith the fit, glue it in place with epoxy. T

side is what builds the engine right thrust so it is importantto install the left and right side correctly.❏❏4. Locate the “right” die-cut 1/8" [

❏ 9. Now that both fuselage sides are completed, alignthem and clamp them together. Lightly sand the fuselageedges until they are identical. Also, san

❏ 14. Using 30-minute epoxy, glue the firewall (F1) in placeto the fuselage sides and the fuselage top. When gluing,push the firewall (F1) against the

❏ 19. Cut a piece of the leftover 3/32" [2.4mm] sheeting toa width of 3" [76mm] to be used as a hatch cover. Glue asmall piece of balsa on t

❏ 26. Locate the two die-cut 1/8" [3.2mm] lite-ply formersF1-A. Glue them together with epoxy. Wipe away the excessepoxy with a paper towel dampe

6. You must check the operation of the model before everyflight to insure that all equipment is operating and that themodel has remained structurally

with thin CA. Note: If you will be installing a tricycle gearwith nose steering, you will need to repeat this procedure forthe steering pushrod on the

mark with CA. Also, glue F5-A in place. Both formers shouldbe 90 degrees with the top of the fuselage.❏ 36. Use the die-cut 1/16" [1.6mm] balsa a

❏ 41. Assemble the fuel tank following the instructions thatcame with your tank. Cut the 3' [760mm] fuel tubing in three1' [255mm] sections.

the bottom edge to the top of the fuselage side and the3/16" [4.8mm] balsa stick. Tape the sheet in place while theglue cures.❏ 45. Wet the outer

❏ 50. Glue two pieces of 1/8" x 1/4" [3.2mm x 6.4mm] balsastick on top of each other at the center of the top fuselageas shown.❏ 51. Cut the

❏ 2. Install the elevator, rudder and throttle servos as indicatedon the plans with the hardware supplied by themanufacturer. Make sure you use thin C

36❏ 7.Thread a clevis 15 full turns onto a 2-56 x 12" [152mm]threaded one end pushrod. Install a clevis retainer onto theclevis. Connect a contro

❏ 3. Position the engine on the mount so that the face of thedrive washer is 4-7/8" to 5" [124mm to 127mm] in front ofthe firewall (F1). Mar

❏ 7. Fixed Tricycle. These images are for your reference.The steering arm should be installed 1-1/2" [38mm] abovethe coil of the nose gear. Also,

mounting plate doubler (MPD). Glue the two partstogether with 30-minute epoxy as shown on the plans. Thenglue the assembly in position as shown in the

where the engine torque tends to steer the airplane tothe left.Retractable Mains/Fixed Tail Wheel: This is the heaviestand most complex of the three c

1/4-20 tap. Enlarge the holes in the wing with a 1/4" [6.4mm]drill bit. Reinforce the area with thin CA.❏ 7. Place a piece of waxed paper or Grea

❏ 12. Draw a line between the marks you made in step 9.Draw another mark 1/2" [13mm] away from the belly panedges at the line. Use a high speed r

❏ 1. Retractable Mains/Fixed Tailwheel. Cut out the rootrib so that the retract servo fits between the wing dowels.Place the servo between the dowels

❏ 6. Retractable Mains/Fixed Tailwheel. Install a screw-lockpushrod connector on each retract control arm. Use a nylonretainer to secure the connector

that they fit in the wheel pocket in the wing. Once you havedetermined the configuration, file flat spots on the retractlegs and the wheel axles for t

❏ 1. Locate the two cowl halves. Cut the two cowl halvesat the cut marks with Hobbico’s Curved-Tip Canopy scissors(HCAR0667).❏ 2. Glue the two halves

❏ 7. Apply a plastic filler such as Bondo®to fill the seamwhere the cowl halves are joined. After the filler has cured,sand the seam until the two cow

❏ 6. If you want to duplicate the trim scheme pictured onthe box you will need the following rolls of Top FliteMonoKote:1 Roll of Metallic Plum – TOPQ

Now that the control surfaces are covered, you canpermanently install the hinges into the control surfaces.❏ 1. Start with the stab and elevators. Rem

❏ 1. Cut the canopy on the cut line. If you chose to install apilot, use double-sided tape or glue it with CA to attach it inplace.The instrument pane

❏ Great Planes Slot Machine™(GPMR4010)❏ Great Planes Hinge Marking Tool™(GPMR4005)❏ Covering sock (TOPR2175)❏ Curved-Tip canopy scissors for trimming

❏ 3. Make certain that the control surfaces and thecarburetor respond in the correct direction as shown in thediagram. If any of the controls respond

51❏ 1. Use a felt-tip pen or 1/8"-wide tape to accurately markthe C.G. on the top of the wing on both sides of the fuselage.The C.G. is located 4

trusty pack you’ve just taken out of another model, or a newbattery pack you just purchased, should be cycled, notingthe discharge capacity. Oftentime

Read and abide by the following Academy of ModelAeronautics Official Safety Code:GENERAL1. I will not fly my model aircraft in sanctioned events, airs

Sport 40 Plus does not, however, possess the self-recoverycharacteristics of a primary R/C trainer and should be flownonly by experienced R/C pilots.A

a loop, check your altitude, mind the wind direction(anticipating rudder corrections that will be required tomaintain heading), remember to throttle b

power than a .46, yet fits in the same space as a .40. It’s aclear gain in performance AND options, for sport flying andaerobatics, and here's wh

57ENGINE MOUNT TEMPLATE

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59Note: Make a copy ofthe Two View Drawingthat appears on theback cover pagebefore cutting outthis template.

the parts from their die sheets, if they are difficult to remove,do not force them out. Instead, use a sharp #11 blade tocarefully cut the part from t

TWO VIEW DRAWINGUse copies of this page to plan your trim scheme

CB

D A

7DIE PATTERNS

8DIE PATTERNSRETRACT WIRE TEMPLATE

9❏ 1. Unroll the plan sheets. Roll them inside out so they willlie flat.❏ 2. Position the wing so that the stab and elevator plan isover your flat bui