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Technical Details

BASEPLATE

The induction coil, a smartphone can be charged according
to quasi-standard QI by placing it on the base plate. At home the
board can be inductively charged by a board suspension / mount
(planned feature).

The data exchange between the two trucks and the smartphone or smartwatch takes place via bluetooth. The USB Type C connector is
the upcoming global standard connector for smartphones / tablets.
It serves to charge your e-truck battery but you can also
charge your electronic devices during a short break
while you are on the road. more…

BATTERY PACK

Four high-performance industrial battery cells per truck provide power to your board. Spare batteries can be replaced in a few easy steps. The electronics are equipped with cell protection and a battery balancer for controlled charging. The expected service life is designed for 500 charging cycles. We provide an one-year warranty on this battery. more…

MOTOR

The motor is integrated into each single wheel, which means that your board has a four-wheel drive and accelerates homogeneously.

The combination of a well-thought-out motor and a special winding ensures maximum efficiency and allows for the wheels to turn freely so you can ride your board regardless of whether the battery is full or empty.  more…

ASSEMBLY

The trucks are completely cordless, which means that baseplate and hanger can simply be inserted into each other as usual.

The wheels and the bearing can be exchanged quickly and easily. To change it, open the outer plug with the enclosed JayKay tool. The outer bearing and the wheel can then be replaced. Both are available in our shop soon. more…

BASEPLATE

Through the induction coil, a smartphone can be charged according to quasi-standard QI by placing it on the base plate. At home the board can be inductively charged by a board suspension / mount (planned feature).

The data exchange between the two axes and the smartphone or smartwatch takes place via bluetooth. The USB Type C connector is a global standard connector for smartphones / tablets. With it you can charge your e-truck battery or load your gadget on the road during a short break.

BATTERY PACK

Four high-performance industrial battery cells per axle provide power to your board. Spare batteries can be replaced by a few easy steps. The electronics are equipped with cell protection and charging balancing. The recharge time is designed for 500 charging cycles. We provide an one year warranty on this battery.

ENGINE

The engine is integrated into each single wheel, which means that your board has a four-wheel drive and accelerates homogeneously.

The combination of a well-thought-out motor and a patented winding ensures maximum efficiency and an one hundred percent freewheel, whereby manual driving is also possible. Regardless of whether the battery is full or empty.

e-achse-skateboard

ASSEMBLY

The axis is completely cordless, this means baseplate and hanger can simply be inserted into each other as usual.

The casters and the ball bearing can be exchanged quickly and easily. To change it, open the outer plug with the enclosed tool. The outer ball bearing and the wheel can then be replaced. Both are available in our shop.

Hanger / Battery pack

The battery pack and the motor control are integrated into the hanger. The components are designed in the most efficient way in order to reach a high range while producing little waste heat.

The following functions and components are integrated into the battery pack:

  • a 32-bit controller with 50 MHz for all calculations
  • two motor controls with counterelectromotive force and current measurement
  • intelligent cell switching for high speed and maximum torque as well as reduction of energy loss through heat dissipation
  • auto-on function, which automatically switches on the electronics at 3,5 km/h. The electronics continue to operate in self-hold and only stop when being switched off with the remote control
  • battery balancer for a controlled charging of the lithium cells
  • temperature measurements at five different points in order to generate an exact thermal image of the trucks in operation
  • powerline communication which allows to do without any signal cables between hanger and baseplate
  • four industrial high-performance cells

Housing / Mounting

The e-trucks are made from high-quality aluminium alloy and serve as the housing and heat sink for the drive components.

The truck is constructed without any cables, so no plugs or cables have to be connected. Instead the components connect themselves when assembled.

The baseplate has an old-school truck mounting pattern with hole dimenions of 41,28mm x 63,5mm (1.625‘‘ x 2.5‘‘)

Wheels and bearings can be easly exchanged by removing the screw plug on the side. Replacement for wear material can be ordered soon in our onlineshop.

Wheels / Motor

Inside of each wheel, a permanent-field synchronous machine with ironless air gap winding is installed. This motor has the following advantages and features:

  • no detent torques due to physical characteristics, i.e. the unpowered motor rotates freely
  • minimum drag torques due to low iron content
  • low weight and at the same time high torque capacity
  • high efficiency and low coil temperature thanks to hydraulically pressed motor winding and direct heat dissipation towards the hanger

Baseplate

The electronic components are divided onto two circuit boards in both hanger and baseplate. The following components and functions are integrated into the baseplate:

  • USB type C port for charging the e-trucks with all battery chargers starting from profile 2.
    The charging speed depends on the profile (performance class) of the charger.
    In order to increase the battery life and maintain a high number of charging cycles, a slow charging mode of approx. 3 hours is applied by default. However, if you want to be back on board faster, you can choose the rapid charge mode. The rapid charging time is about 1.25 hours. The charger that comes with the e-trucks support profile 4.
Profil 2 (18W) : approx. 4 hours charging time per truck
Profil 3 (36W) : approx. 2 hours charging time per truck
Profil 4/5 (60 – 100W) : approx. 1.25 hours charging time per truck
  • The USB port at the baseplate can also be used to charge electronic devices. It offers a maximum of 5V with 1.5 A.
  • Induction coil for cable-free inductive charging of the e-trucks on a charging mount (planned feature). The induction coil supports Qi standard wireless charging, thus it can be used to charge your Qi compatible devices, like smartphones, by placing it on top of the baseplate.
  • Bluetooth module, enabling the communication between the e-trucks and the remote control. A smartphone or smartwatch can also be connected which offers more information and settings to the user (requires the use of the JayKay app).
  • NFC chip for connecting new truck remote control configurations and smartphones in a fast and easy way. Smartphones only have to be hold close to the baseplate.

Key figures

top speed

30 km/ h (18,6 mp/h)*

Gradient

20% *

Number of motors

4

Regenerative braking

Yes

Battery replaceable

Yes

USB Port

Type C

Gadgeds for charging

Inductive to Qi; USB cable 5 V, 1,5 A

Bushings

Cone / Barrel 85, 90, 95A

Width (wheel - wheel) inside

168 mm (6.6 inches)

Base Plate thickness

6.5 mm

Roll diameter

80 mm (3,15 inches)

Range

12 km – 15 km (7.5 miles-10 miles)*

Weight

Approx. 2 kg per truck

Drive system

Hubmotor (motors are integrated in the wheels)

Charging time

1 h (fast charging time), 3 h (normal charging time)

Remote

Ring or smartphone via Bluetooth

Charging e-truck

Power supply with USB PD from profile 2

Width (wheel - wheel) outside

291 mm (11.5 inches)

wheel hardness

76, 78, 80A

Height (wheel - Baseplate top)

102 mm (4 inches)

contact patch

58 mm

Baseplate hanger angle

47°

* Depending on external influences such as driver weight, ground, weather

 

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