SB98 2500mm Vintage Electric Glider Kit Instructions

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SB98 GLIDER 2500MM

BUILDING INSTRUCTION

SB98 is a glider model airplane for relaxed flying. Low flying weight and wing load makes an awesome calm

wind performer. The calm and silent flying characteristics attracts both intermediate and advanced pilots. SB98

can be built with or without electric power set.SB98 is controlled by rudder, elevator and ailerons.

SPECIFICATION

Wingspan = 2500mm

Length = 1525mm

Flying weight = 1900g

Wing Area = 137.66dm²

Wing loading = 13.8g/dm²

Suggested Equipment:

Servo≥17g Prop.:12 inches

Motor:2814 1000kv ESC:40A

Batteries: 3S 2200-3000mah

PRODUCT LIST

1* Un-assembled SB98 KIT:

Wood sheet pack*1 1:1 Plan*1 Batten sets Operation instruction*1

PVC windshield *1 Pushrods with tube *2 Carbon tube*1

Fitting bag*1 Rubber band*4

Summary of content (14 pages)

PAGE 1
SB98 GLIDER 2500MM BUILDING INSTRUCTION SB98 is a glider model airplane for relaxed flying. Low flying weight and wing load makes an awesome calm wind performer. The calm and silent flying characteristics attracts both intermediate and advanced pilots. SB98 can be built with or without electric power set.SB98 is controlled by rudder, elevator and ailerons. SPECIFICATION Wingspan = 2500mm Length = 1525mm Flying weight = 1900g Wing Area = 137.66dm² Wing loading = 13.
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BUILDING INSTRUCTION 1. 6X6MM balsa sticks need to be spliced and extended to 1400MM 2.
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. Paste the motor mount and the stiffener together 4. Paste two pcs of A36 plywood into one, then paste the 6X6mm balsa sticks on it 5.
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6. Enhance fuselage structure with 6x6mm balsa sticks 7. Paste the fuselage balsa sticks and the diagonal brace sticks 8.Adhesion of A1 plywood to the fuselage 10. Install upper bulkheads and the stiffeners 9.
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11. Paste balsa sticks and diagonal brace sticks on the upper fuselage 12. A35 plywood are pasted with round stiffeners and claw nuts and then combine the finished parts and the frame 13.
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14.Paste the tail with 2mm balsa sheet, the tail must be kept vertical 15. The front edge of the vertical tail fin is pasted with 8mm sticks and then sanding them, and the rear part of the fuselage should be pasted with 8mm balsa blocks 16. Combinate and paste the A27 onto the fuselage 17.
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18. Make the battery hatch cover 19.Paste the mask wood sheet 20.
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21.Install the motor to the fuselage, then paste 3 layers of 8MM balsa sheets on the nose and polish it smooth 22. Wing support is made of 8mm balsa sheets 23.
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24. Trepanning and install PVC conduit 25. Make the rudder according to the drawing 26.
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27.Paste two pieces of C5 to middle rib and use 2mm blasa sheet to paste the upper and lower covers 28.
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29. Combine the pasted elevator and C11, and polish the front edge of the balsa wood, fill and polish the middle servo mounting position with balsa sheets 30.The horizontal tail is connected to the fuselage with a 3MM screw.It can be disassembled for easy transportation. 31.The wing ribs shall be assembled according to the position of the drawing.
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32.Install wing tip plywood 33.The back edge is pasted with 6X8MM balsa sticks and B20 plywood 34.
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35.Trim the wing tip balsa sticks and splice 2MM balsa sheets 36.Paste upper and lower covers, fill the leading edge with 8MM balsa strips and polish them 37.Assemble the servo mount and paste it to the wing rib 38.
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39.Paste the upper and lower wing covers and positioning bolts Control Throws Aileron = +/- 20mm Rudder = +/- 40mm Elevator = + 25mm / - 15mm Center of Gravity C.G. C.G. is marked in building plan 115mm back from the leading edge of the Wing Center Section Incidence: Wing ---0.