When the first SIG KADET came out in 1972, it was the only airplane on the market totally designed from the ground up for learning to fly R/C. It quickly became the airplane of choice for new R/C flyers at many model clubs! Since then, thousands of new pilots have successfully learned to fly R/C with a KADET!
“The R/C trainer with a BIG difference”
It’s gentle flying characteristics made it a legend in its own time. This KADET LT-40 blends the perfect aerodyamics of the original SIG KADET with a more modern, simpler, and much faster building type of construction. Like all SIG KADETS, the KADET LT-40 behaves perfectly in flight, with true hands off stability on all axis. If the student pilot gets disoriented, simply let go of the control sticks and the LT-40 will recover itself and return to level flight within seconds.
Because the LT-40 is bigger than the average .40 size trainer, it has a much lighter wing loading, which lets it fly slower! Slower speed gives the student pilot more time to think and react to what the model is doing, thus making it easier to learn to fly R/C.
This is the easiest building KADET kit yet! Every major part of this kit has been pre-shaped, sawn, die-cut, laser-cut, routed, or whatever it takes to make it ready-to-install right out of the box. A photo-illustrated assembly manual takes you through every step of construction and pre-flight.
Wingspan
70 in
1778 mm
Wing Area
900 in²
58.1 dm²
Length
57 in
1447 mm
Flying Weight
5.5 – 6 lbs
2490 – 2720g
Wing Loading
14 – 15.5 oz/sq ft
43 – 47 g/m²
Radio Required
4-Channel with 4 Standard Servos (not included)
Engine Required
(not included)Set Up Specifications
Accessories
2-Stroke .40 – .46 cu. in. (6.5 – 7.5 cc)
4-Stroke .40 – .54 cu. in. (6.5 – 8.8 cc)
Elevator
9/16
inch
14
mm
Up and Down
Rudder
1
inch
25
mm
Right and Left
Ailerons Up
3/8
inch
10
mm
Ailerons Down
3/8
inch
10
mm
Center of Gravity
4
inch
102
mm
From the leading edge
Dihedral
3
degrees
3
degrees
Per Wing Panel
Incidence
+ 1-1/2 degree wing, 0 degree stabilizer
Engine Offset
6 degree down, 6 degree right
English
Metric
Number Required
Main Wheels
3
inch
76
mm
2
Tail Wheels
2 3/4
inch
70
mm
1
Fuel Tank
8
ounce
237
cc
1
Spinner
2
inch
51
mm
1
Covering
3 rolls depending on trim scheme
KIT FEATURES– The LT-40 includes these items that other trainer kits do not.
Fuel Tank
SIG Spinner
Wheels
SIG Easy Hinges
Engine Mounts
Decals
Ultra-simple Lite-Ply Fuselage
Top Quality SIG Balsa, Plywood, and Spruce
Simple, Strong Wing design with Spruce Spars
CAD Drawn Plans for precise parts fit
Complete Hardware pack includes Control Horns,
Pushrods, Wheel Collars, etc.
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