| SJM400 II 3D CCPM Aliminium - CNC Carbon Electric Helicopter Kit |
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This is the upgrading version G2 of SJM400, with hardened Aluminum Alloy brass anodized rotor head.
The structure of weak places have been redesigned and optimized based on the previous version. |
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Specification:
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- Kit weight (W/O main blade)：235g
- Main rotor diameter：655mm
- Main rotor specification： 305×30mm
- Flybar rod：210×1.5mm
- Flybar rod specification：58×30mm
- Tail rotor diameter：110mm
- Tail rotor specification：45×18mm
- Main shaft diameter：4mm
- Tail rotor shaft diameter：2mm
- Tail boom diameter (outer)： 11mm
- Drive belt specification：302MXL, width 2.5mm
- Revolving swash plate：ccpm120 degree
- Tail rotor blade：anti-shaking outer bearing in box shape
- Main drive gear：M0.4 180T
- Tail drive gear：M0.4 36
- Speed ratio of main and tail drive gear：1：5
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Features:
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- Fully CNC helicopter kit
- Aluminum alloy, Carbon and Fiberglass construction
- 36 bearings on the whole kit
- Contains 28 pcs high precision bearings and Metal rotor head and tail unit
- Belt driven tail system Extremely stable flying
- Highest machining precision
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Important: A SJM400 II 3D helicopter's kit, user need to assemble it after purchasing! |
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