Great-planes Profile 38 - GPMA0487 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

❏❏5. From the 1/4" x 1/4" x 30" [6mm x 6mm x 762mm]and 1/8" x 1/4" x 24" [3mm x 6mm x 610mm] balsa sticks,cut and glue r

❏❏6. Pin the die-cut 1/8" [3mm] balsa sub-trailing edgeover the plan, perpendicular to the building board. Positionthe die-cut ribs on the main s

❏❏13. Position the die-cut 3-ply sub-leading edge overthe tabs on the front of the ribs. As you glue the sub-leadingedge to the ribs, make sure the su

❏❏3. From a second 1/16" x 3" x 30" [1.6mm x 76mm x762mm] balsa sheet, make a trailing edge sheet to fit fromrib W-1 to W-3. Cut the sh

❏ 3. Fit the R7A jigs under the W-7 ribs and the R1B jigunder the W-1 ribs so that the aft edge of the jigs are flushwith the trailing edge of the win

❏ 2. From the remaining 1/16" x 3" x 30" [1.6mm x 76mm x762mm] balsa sheet, used to make the bottom trailing edgesheet, and a second 1/

❏ 9. Thread a 4-40 nut onto a 4-40 x 4-1/2" [114mm]pushrod. Make an L-bend in the non-threaded end of thepushrod. Important: Put a drop or two of

❏ 15. Glue the die-cut 3-ply receiver battery tray to ribW-1 and the sub-trailing edge.❏ 16. From the 1/16" x 3" x 30" [1.6mm x 76mm x

❏ 22. Once you have the 1/16" [1.6mm] center sheetingtrimmed to fit around the landing gear rail, glue the sheetingto the main spar, bottom of th

❏ 29. Trim the bottom sheeting from over the four alignmentslots in ribs W-3. The first slot is approximately 1" [25mm]from the leading edge and

INTRODUCTION ...2Scale Covering Schemes...

❏❏5. Pin the boom main frame, elevator and rudderservo tray and the fin frame to your building board over theboom plan. Glue the F1 and F2 fin frames

21❏❏3. Use a straightedge to trim the sheet along the linethrough the end of the sheet.❏❏4. Check the fit of the sheet on the boom. Make surethe sheet

❏❏13. Remove the upper boom from the plan. Using a barsander, sand the upper boom even.❏❏14. Test fit the upper boom to the main boom. Markthe upper b

❏ 6. Position the right main boom as shown.❏ 7. Locate the die-cut 3-ply 4° engine gauge. With theright main boom flat on your building table, positio

❏❏4. Cut the 3/4" x 1" [19mm x 25mm] hinges for the rudderfrom the supplied 2" x 9" [51mm x 229mm] hinge material.Then, snip off t

❏❏1. Mount the spinner backplate to the engine you areusing. Position the engine on the right boom engine mount.The head of the engine should point to

❏ 4. Slide the upper booms over the wing.❏ 5. Insert the stabilizer tips in the boom. Position the stabilizercenter between the booms so that the ends

sander to make a “V” on the leading edge of the aileron.Reinstall the aileron on the wing. Make sure that the aileroncan move up at least 1/2" [1

❏ 6. Glue the die-cut former F2B to the bottom of thecanopy frame and former F2A. Make sure F2B is alignedwith F2A.❏ 7. Lightly sand the front of the

score along the cut lines and flex the plastic until the excessbreaks free, or use a Hobbico Curved-tip Canopy Scissors(HCAR0667) to cut along the lin

1. Your Profile 38 should not be considered a toy, but rathera sophisticated, working model that functions very much likea full-size airplane. Because

to crack and if the residue is not completely removed, paintwill not adhere to it.❏ 8. Sand the seam smooth between the top canopy andthe nose bottom.

❏❏4. Thread a nylon clevis approximately 14 full turnsonto the threaded end of a 2-56 x 4" [102mm] pushrod.Slide a silicone clevis retainer over

❏❏4. Position the radiator tab over the aft edge of theradiator housing mount. Mark the location of the radiator tabon the main boom. Remove the radia

❏ 4. Glue two of the die-cut 3-ply pushrod guidestogether,aligning the edges. Drill a 3/16" [5mm] hole through thepushrod guide. Cut a 1/4"

❏ 5. Attach the nylon clevis to the torque rod horn on theleft rudder. Attach the solder clevis to the torque rod horn onthe right rudder. With both r

❏ 9. Make an L-bend at the mark and attach the throttlepushrod to the throttle servo arm with a Faslink.❏ 10. Move the throttle stick, checking the li

36Now that you have the basic airframe completed, this is agood time to balance the airplane laterally (side-to-side).Here is how to do it:❏ 1. With t

❏ 1. 1/4" [6mm] strips at fin, stabilizer and wing joints❏ 2. Bottom of wing center section❏ 3. Top of wing center section❏ 4. Bottom of stabiliz

❏ 5. Center the inside radiator housings over the servos.Drill two 1/16" [1.6mm] pilot holes in the end of the radiatorhousing mounts and into th

❏ 3. Apply 6 drops of thin CA to both sides of each hinge.Allow a few seconds between drops for the CA to wick intothe slot. Use a paper towel to wipe

❏ Engine and suitable propellers❏ 4-Channel radio with 6 standard servos❏ (2) 12" [300mm] Servo extension (HCAM2711 for Futaba®)❏ (2) Y-harnesses

❏ 1. Reinstall the engines. Remember that the mountingscrews are installed from the back and that the lock washerand nut are on the engine side. Use t

❏ 4. Position the bottom canopy on the wing. Align the frontof the bottom canopy with the previously glued top canopy.Hold the bottom canopy against t

have dual rates, we recommend setting the throws at thehigh rate setting.Note: The throws are measured at the widest part of theelevator, rudders and

No matter if you fly at an AMA sanctioned R/C club site or ifyou fly somewhere on your own, you should always haveyour name, address, telephone number

Keep your face and body as well as all spectators away fromthe plane of rotation of the propeller as you start and runthe engine.Keep these items away

❏ 13. Make sure any servo extension cords you may haveused do not interfere with other systems (servoarms, pushrods, etc.).❏ 14. Secure the pressure t

If you installed two .15-size engines on your plane, and oneengine quits, the plane will not be able to maintain altitudeon one engine. Be careful to

47BUILDING NOTESKit Purchased Date: _______________________Where Purchased:_________________________Date Construction Started: __________________Date

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

CB

• There are two types of screws used in this kit:Sheet metal screws are designated by a number and alength.For example #6 x 3/4"This is a number

D A

1. Unroll the plan sheet. Re-roll it inside out to make it lie flat.2. Remove all parts from the box. As you do, figure out thename of each part by co

7DIE-CUT DRAWINGS

8❏ 1. Unroll the plan sheets. Roll them inside out so they willlie flat.❏ 2. Position the wing plan so the stab plan is over your flatbuilding board.

❏ 10. Remove the stab from your building board. Inspect allthe glue joints and add CA to any joints that don’t lookstrong. Fill any gaps with balsa sa