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SJM 400 Pro F
This combo kit is 80% complete, and around 2hrs is all that is needed to finish.
Also included is a range of pinion gears, giving the option of varied rotor head speeds.
This is a high quality kit, aimed at the disserning first buyer or semi-pro 3D pilots.
SJM400Pro-F kit x1
Including blades, all accessories & different Pinion sizes
Kit weight (W/O main blade)F 217g
RTF weight:F 600g
Main rotor diameterF 655mm
Main rotor specificationF 305~30mm
Flybar rodF 210~1.5mm
Flybar rod specificationF 58~30mm
Tail rotor diameterF 110mm
Tail rotor specificationF 45~18mm
Main shaft diameterF 4mm
Tail rotor shaft diameterF 2mm
Tail boom diameter (outer)F 11mm
Drive belt specificationF 302MXL, width 2.5mm
Main rotorF Changeable screw distance
Adjustable mixing control;
Flybar in ball shape
Direct connected flybar control rod
Revolving swash plateF ccpm120 degree
Tail rotor bladeF anti-shaking outer bearing in box shape
Main drive gearF M0.4 180T
Tail drive gearF M0.4 36T
Speed ratio of main and tail drive gearF1F5.294
Motor diameter limitationF 26mm
43 bearings on the whole kit
The whole heli is made of aluminum and fiberglass (SJM400 PRO-F) material through CNC technology.
Full range of upgrades and spare parts to be listed very soon