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Project work at the Rudolf-Diesel-Fachschule in Nuremberg

Three students from the Rudolf-Diesel-Fachschule in Nuremberg have developed the CROSS-E-BOARD as part of their project work. The goal was to enable the traditional mountainboard to move on both flat areas and on slopes.
A mountainboard is an item of sports equipment which is a cross between a skateboard and a snowboard (in both appearance and in how it works). In addition, the mountainboard is fitted with wheels with pneumatic tyres so that it can be used on any terrain.

The only problem with this board is that it can only be ridden downhill. For this reason, the three mechatronic engineering students decided to optimise the board in this regard.
Starting from an existing mountainboard, all the necessary adaptations were made: two motors were fitted to the rear axle, which provide power by means of two rear-wheel gears. The motors are powered by a lithium polymer battery with 22.2 V and 12 Ah. A controller is also fitted to each motor, so that the speed can be regulated by means of a pistol-grip remote control. A kill switch was also fitted as a safety measure to ensure that the electronic systems are shut down in the event of a fall or similar accident.

A particular highlight of the CROSS-E-BOARD is the display located at the front of the board. This display shows the speed, distance travelled, voltage from a single battery cell and the charge status of the battery as a percentage.

Data, facts and figures:

Roadworthy weight

12.4 kg

Top speed on a flat road

35 km/h

Range (dependent on terrain)

approx. 8.5 km

Travel time (dependent on terrain)

approx. 40 minutes

Charge time with standard charging unit provided

approx. 6 hours

Charge time with fast charger

approx. 2 hours

norelem in the project:


Toothed pulley profile T5
Toothed belt profile T5
Splined shaft profile T5

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