SIG Kadet LT-40 GP Kit .40-.46,70"

Tower Stock# SIGA0066  •  Manufacturer Stock# SIGRC67
  • Thumbnail 1 (see larger view)
  • Thumbnail 5 (see larger view)
  • Thumbnail 6 (see larger view)
Notes from our tech department:
This is the Glow Powered, Radio Controlled
Kadet LT-40 Trainer Airplane Kit by Sig.
Ideal for beginning Builders and Pilots.


Construction: Laser and die cut balsa and ply, Lite-Ply fuselage
Wing: One-piece with light wing loading for gentle flying
characteristics and slower speeds, spars made of spruce
Aileron Control: Single servo
Engine Mount: Two-piece composite plastic
Landing Gear: Prebent 0.16" (4mm) diameter steel wire, steerable nose
gear, 2.75" (70mm) diameter rubber main and nose gear wheels
Fuel Tank: 8oz (240cc)
Spinner: Yellow plastic 2" (51mm) diameter


Fuel Tank
Sig Spinner
All required Balsa, Plywood and Spruce Wooden Parts
Wheels and Landing Gear
Sig Easy Hinges
Engine Mount
CAD Drawn Plans
Instruction Manual
Hardware Pack


Radio: 4-Channel with 4 Standard Servos
Engine: .40-.46 cu in (6.5 - 7.5 cc) 2-stroke or
.40-.54 cu in (6.5 - 8.8 cc) 4-stroke
Covering: Three rolls
Prop, glow starter, fuel, building and field equipment


Wingspan: 70" (1778mm)
Wing area: 900 sq in (58.1 sq dm)
Length: 57" (1447mm)
Flying Weight: 5.5 - 6 lbs. (2490 - 2720g)
Wing Loading: 14 - 15.5 oz/sq ft (43 - 47 g/ sq dm)
Center of Gravity (CG):
3-1/2" (89mm) 27% of wing chord for beginners
3-7/8" (98mm) 30% of wing chord for intermediate flyers
4-1/4" (108mm) 33% of wing chord for experienced flyers
aft of leading edge of wing measured at the fuselage
Control Throws:
Elevator, up & down: 9/16" (13mm)
Rudder, left & right: 1" (25.4mm)
Ailerons, up & down: 3/8" (9mm)


If a replacement fuel tank is required, the DuBro S-8 8oz (DUBQ0208)
is an exact fit.

mgc 2/1/15
jxs 02/20/15



Product Documents & Files

Manufacturer Contact Information