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Screwdriver Powered "EX" Threewheeler
This unique three wheeled vehicle is the creation of Nils Ferber, who built it with help from his friends Sebastian Auray, Ruben Faber and Ludolf von Oldershausen. Besides sporting a unique design, the three wheeler dubbed "EX" - short for eccentricity - is perhaps the only vehicle we have come across until now that is powered by two electric screwdrivers.
Like its name, "EX" was meant to be eccentric. Hence, the way it is driven is unlike any other vehicle. Clearly not meant to be a mainstream transport alternative, "EX" is meant as a fun vehicle, not to mention, a sure shot way to garner everyone's attention. Go through the gallery to learn more about "EX".
"EX" is mostly made from custom components due to its unconventional design, while a few common components come from bicycle parts.
The rider almost lies down headlong, with his arms stretched in front of him to grab the handle bars, which hold the throttle and brake controls.
The driving force behind the "EX" are two 18-volt Bosch screwdrivers, which manage to take the vehicle up to a top speed of 30 km/h.
Overrunning clutch gear wheels manage the torque from the two screwdrivers and prevent either of the screwdrivers from blocking the other, in case one of them runs out of battery power.
The custom steering mechanism connects to the rear wheel. This means the rider has to tilt his whole body to change the vehicle's direction.
The custom steel frame was designed using CAD and was the product of several trial models built from LEGO bricks, wooden frames and steel wire frames.
Ferber does not intend to mass produce the "EX", which is only meant as a design exercise. While the vehicle does not look either safe nor very comfortable, there is no doubt one could have a lot of fun riding it in a safe area. And going by the riding position one would have a good workout as well riding the "EX".
Has the "EX" inspired you to build your very own eccentric machine?
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