Great-planes Ultimate Biplane 40 Kit - GPMA0240 Manuale Utente

WARRANTYGreat Planes Model Manufacturing Co. guarantees this kit to be free from defects in both material andworkmanship at the date of purchase. This

D 1. Place the stab and elevators over their locations onthe plan and lightly mark the hinge locations on the TE ofthe stab and LE of the elevators.D

D 3 Draw a centerline on the LE of the stab and fin and onthe TE and tip of the elevators and rudder Sand a radiuson the edges as shown on the plan us

The Ultimate 40 bottom wing is built as one piece.D 1. Use 30-minute epoxy to glue together the die-cut 1/8"plywood ribs R-5 and R-6.TWO WARPED S

D 6. Position the TE on the aft end of the ribs, flush withthe top and bottom edge of the ribs. Use a straightedge tocheck that the TE is straight bef

D 15 Test fit the die cut 1/8" plywood ribs R-2A and R-2Bin position as shown on the plans Check the fit of the wingstrut between R-2A and the wi

D 5. Use thin CA to glue the LE sheet to the main spar.D 6. Fit and glue the second LE sheet to the other wingpanel, following the same procedure.D 9.

D 3. Position the wing on your building board with thebottom side up. Place weights on the wing to keep the mainspars in contact with the building boa

the wing plate. Leave the aft edge of the wing bolt platesquare Use 30-mmute epoxy to glue the wing bolt plate tothe bottom of the wing, centered on t

D D 8. Remove the aileron from the wing. Mark the "bevelto" lines and sand the LE of the aileron to a "V" as shownon the plan.D 9.

D 6. Cut 1/4" from the front of one die-cut 1/8" balsa lowerfuse side, one upper fuse side, one die-cut 1/8" plywoodlower fuse doubler

Introduction ...3Precautions...

Important: Install all formers with the embossed letteringfacing the nose of the fuse. Do not glue the fuse togetheruntil instructed to.D 1. Insert di

D 9. Fit the die-cut 1/8" plywood landing gear braces F-4,F-7 and the 1/4" plywood landing gear plate in the fusesides. Use 6-minute epoxy t

D 18. Use 6-minute epoxy to glue the fuel tank floor,fuelproofed side down, into the notches in the lower fusedoubler. After the epoxy has cured, fuel

D 3. With the wing in position, drill a 13/64" hole at eachpunch mark on the wing bolt plate. The hole must extendthrough the wing and wing bolt

D 1. Use the die-cut 1/8" plywood backrest gauge to set theangle of the backrest. Sand the bottom edge of the backrestto match the top deck and g

D 9. Carve and sand the turtledeck top to match the curveof the turtledeck sheeting. Refer to the cross-sectiondrawings on the fuse plan. Trim and san

D 5. Use a 1/16" drill bit to drill a hole through the quarterround at the marks on the longitudinal braces for thecabane slots. After locating t

D 3. Use 30-minute epoxy to glue the W-2 bolt plates,centered over the hole in the W-3 bolt plates.D 13. From the leftover 1/8" x 1/4" balsa

D 4. Repeat the process to install the other LE.D 5. Position the TE on the aft end of the ribs, flush withthe top and bottom edge of the ribs. Use a

D 14 From a 1/16" x 3" x 24" balsa sheet, cut and glueshear webs, perpendicular to the aft edge of the main sparsThe shear webs must be

The Great Planes Ultimate 40 is a high performance,propeller-driven sport biplane that closely resembles thefull size Ultimate The Ultimate 40 is very

D 25. After positioning the top wing in its proper location,place alignment marks on the front bolt plates, ribs R-8, thewing joiner and the LE. Remov

D 1. Remove the top wing from the fuse and pin or weightit flat on your building board. Make sure all the forward andaft jig tabs are against the buil

D 7. Make the wing tips from leftover 1/8" x 3" x 18" balsasheet. Hold the sheet against tip rib R-1 and draw anoutline of the rib. Cut

D D 1. Trim one end of the 1-1/4" x 24" balsa aileron tothe same angle as the center TE.D D 2. With a gap of 1/16" between the aileron

C. Remove the engine from the engine mount and themount from the fuse. Use a drill press, if you have one,to drill a 1/16" pilot hole at each dim

D 7. Use a metal file to chamfer the edges and corners ofthe aluminum landing gear so it will fit neatly in the recessof the wheel pant. Position the

D 14. After the filler cures, sand it flush with the plastic.Wet sand the entire wheel pant with 400-grit sandpaper inpreparation for primer.Note: Don

D 9 Remove the cowl and templates, then remount theengine Cut out the holes in the cowl, then test fit it to thefuselage You may want to make the cuts

Fuselage and Tail:1 1/4" strips at fin and stab as described2 Aft fuselage bottom3 Forward fuselage bottom4 Fuselage right side up to the top cen

It is best to leave a very slight hinge gap rather thanclosing it up tight, to help prevent the CA from wickingalong the hinge line Make sure the cont

These are the building tools that are required. Werecommend Great Planes Pro" CA and Epoxy glue.D 2 oz. Pro CA (Thin, GPMR6003)D 2 oz Pro CA+ (Me

D 4 Without cutting into the balsa, use a sharp hobby knifeto carefully cut and remove a strip of covering 1/16" wide,approximately 1/32" in

D 7. Slide a silicone retainer over the threaded end oftwo 36" threaded pushrods. Thread a nylon clevis 13 turnsonto each pushrod. Slide the push

D 13. Install the aileron servo in the aileron servo tray.Thread the nylon 6-32 torque rod connectors on the torquerods until they are 3/4" from

D D 19. Slide a silicone retainer on the pushrod. Use a5/64" or #48 drill bit to enlarge the hole in the control hornon the bottom aileron only.

Note: The balance and control throws for the Ultimatehave been extensively tested This chart indicates thesettings at which the Ultimate flies best Pl

Carefully balance your propellers before flying Anunbalanced prop is the single most significant cause ofvibration Not only may engine mounting screws

Use a "chicken stick" or electric starter to start the engineDo not use your fingers to flip the propeller Make certainthe glow plug clip or

Takeoff on "high" rates if you have dual rates on yourtransmitter - especially if you are taking off into acrosswind. For all models it is g

TWO VIEWPhotocopy this drawing and use the copies to design your trim scheme.PRINTED IN USA 3005155

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"D 1. Unroll the pl

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Glue together the pairs of die-cut 1/8" balsa stabilizercenter S-1, fin bottom S-2, rudder bottom R-3 andrudder tip R-4 to make 1/4" thick p

D 3. Remove the fin from your building board. Inspect allthe glue joints and add CA to any joints that don't lookstrong. Sand the joints flush an