Great-planes Ultra Sport 60 Kit - GPMA0420 Pages 1-27 User Manual

ULTRA SPORT 60INSTRUCTION BOOKPLEASE READ THROUGH THIS INSTRUCTION BOOKLET IN ITS ENTIRETY BEFORE BEGINNINGASSEMBLY. IT CONTAINS IMPORTANT INSTRUCTION

10. Place the ribs on the spar in their approximateposition, but do not glue. NOTE: Make sure ribs W-2,W-3 and W-4 are installed with the LG notches d

Using the 1/16" ply dihedral brace as a temporary spacer,glue the 3/32" web to W-l and W-2.23. Prepare the 3/32" balsa leading edge she

NOTE: If you are installing retracts, disregard steps 26through 29.26. Remove the wing from the building board andtrial fit the long grooved hardwood

IMPORTANT: The shape of the leading edgewill affect the way this airplane performs snap rollsand spins. A blunt, rounded leading edge will"soften

File end towedge shapepieces in place with epoxy. HINT: Use masking tape to holdthese pieces to the wing TE, to aid in correct positioning.SAND "

2. Trial fit the 4" wide fiberglass cloth in place. You 9. After the glue has set, trim the excess cloth at thecan use a scissors or a paper punc

4. Cut the right wing tip loose from the wing and usea Dremel Moto Tool to hollow out the wing tip. (This willhelp to compensate for the weight of the

2. Holding the die-cut 1/8" balsa F-2A on the leadingedge, in the exact center of the wing, mark the dowellocations through the dowel plate holes

retract mechanism. Cut a clearance slot in rib W-3 for the LGwire. Cut an opening in the bottom LE sheet and in rib W-2FUSELAGE ASSEMBLYfor the wheel

the four die-cut 1/8" ply firewall spacers. Note that thespacers are marked "2 L", "2 R". "4 L", and "4 R"

TABLE OF CONTENTSINTRODUCTION ... 3Precautions ... 3Abbreviations ... 3Decisions You Must Make ... 4Other

3. Accurately position the two pre-cut 1/4" x 1/2" balsacross-braces on the plan, and pin them in place behind F-4and F-5. Note: The front c

12. Find the 1/4" ply wing hold-down block and trial fit15. Use 30-minute or 5-minute epoxy to securely glueit into the notches in the fuse side

Method 2: Cut threads into the holes you just drilledusing a 6-32 tap and tap wrench. If you use this method you'llhave to supply your own bolts

3. Insert the die-cut 1/8" ply F-2A in place against the10. With the engine resting on the mount, plan theback of F-2 (do not glue).4. Insert the

meter" or by measuring down to the flat surface from thecenter of the leading and trailing edges. The measurementsshould be the same (zero degree

sand the entire fuse bottom, forward ofF-2A, in preparationfor installation of the chin block.5. Now remove the engine mount and fuelproof theinside o

correct angle. NOTE: The gauge is used only for setting theangle (do not glue the gauge in).7. Glue the bottom edge of the sheeting to the top of thef

NOTE: The turtle deck is designed to be as light as possible,while still providing sufficient durability for normal use. Ifyour airplane will be handl

Please inspect all parts carefully before starting tobuild! If any parts are missing, broken or defective, or ifyou have any questions about building

DECISIONS YOU MUST MAKE NOWENGINE AND MOUNT SELECTIONThe recommended engine size range is as follows:.60 - .65 cubic inch displacement 2-cycle.70 - .9

5DIE DRAWINGSUse this drawing to help you identify the die-cut parts

TYPES OF WOODBASSWOOOBALSA3. Working on a flat surface covered with waxed paper,GET READY TO BUILD1. Unroll the plan sheets. Re-roll them inside out t

7/64" hole in the rudder, and groove the rudder leading edgeto accept the tailgear wire and the nylon tailgear bearing.DO NOT GLUE YET! (The hole

leading edge of the elevators to accept the joiner wire.CAUTION!!!: You must use extreme carewhen cutting hinge slots with an Xacto knife, toavoid cut

BUILD THE WING PANELSNOTE: If you will be installing a retractable landing gear,disregard Steps 6 and 7.NOTE: It will be helpful to build the wing on