China Cheap price Koowheel D3M Longboard Electric Skateboard with bluetooth remote control for Montpellier Factory

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" and the theory of "quality the basic, trust the first and management the advanced" for China Cheap price Koowheel D3M Longboard Electric Skateboard with bluetooth remote control for Montpellier Factory, We encourage you to make contact as we are looking for partners in our venture. We are sure you will find doing business with us not only fruitful but also profitable. We are ready to serve you with what you require.


1. Elastic structure to prevent the battery and electronic components from being damaged when the board is bent; 
2. Dual Brushless Hub-Motors; 
3. Smart chip to avoid sudden acceleration or sudden brake, safe; 
4. Replaceable battery pack, 2pcs battery packs can last 60km, go longer;
5. Normal speed 30km/h, top speed 40km/h, go faster;
6. Real-time monitoring the motor temperature, protect the motors intelligently; 
5. UL2272 and ASTM certificates.


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    Wheel Size: 17 Inch
    Motor Power: 500W
    Climbing Ability: 30 Degrees
    Load: 130KG (max)
    Speed: 35km/h (max)
    Mileage: 35km (max)
    Power Supply: Samsung Lithium Battery
    Battery Capacity: 360Wh (6600mAh)
    Battery Voltage: 60V
    Charging Time: 90 mins
    LED tail light
    LED head light
    Vacuum Tire: Good grip, Wear proof
    Low Power Protection
    Speed Limit Protection

    Thanks for watching.

    This gyro is self balancing but with no forward motion. Please see my version 5 for a complete balanced and motorized vehicle.
    Warning: cd rotors are very dangerous, mine was cracked and exploded. If you must build one, wear safety glasses or you may end up blind.
    Built this simple self-balancing two wheeler model using a dc motor, 4 cds as a gyroscope rotor and an acrylic ruler and wood frame. You will have to watch the video to find out the secret to balancing with a gyro.

    I also tried attaching two parallel wheels (also did inline wheels) but it just wants to spin in a circle and when I try to move it in the direction of the wheels it falls over easily unless I push very slowly. I suppose motorized wheels will work but without some active dynamic balancing mechanism it would be pretty susceptible to falling.

    Update 5/19/2006: discovered that with free precession the mass of the rotor does not have to be as high as when doing forced precession where it must be much higher to maintain it’s balance.
    More details at

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