You've done great with your first trainer and you still have a perfectly good .40 size engine and 4 channel radio. Now is the time to step up and start having some real fun.SIG's Four-Star 40 has been the "second airplane" of choice for thousands of modelers since its introduction in 1989. With its low semi-symmetrical wing and light wing loading, the Four-Star 40 takes you to the next level, with all the free-style aerobatics and whoop-dee-doos your thumbs can conjure up.

KIT FEATURES

• Lite-Ply Fuselage Construction
• Pre-Cut Sheet Balsa Tail Surfaces
• Durable Aluminum Main Landing Gear
• Molded Canopy
• Full Size Plans
• Fast-Building Wing with Spruce Spars
• Photo-Illustrated Assembly Manual
• Laser Cut Parts
• Sig Easy Hinges
• Push rods
• Hardware Pack
• Large Decal Sheet

Wingspan ~ 59.75 in1518 mm

Wing Area ~ 604 sq in39 dm²

Length ~ 47 in1194 mm

Flying Weight ~ 4.75 lb2150 g

Wing Loading ~ 18 oz/sq ft55 g/dm²

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Radio Required ~  4 Channel

Servos Required ~ 4 Servos

Engine Required

2-Stroke .40 - .45 cu in (6.5 - 7.5 cc)
4-Stroke .40 - .50 cu in (6.5 - 8.2 cc)

Receiver Battery Required