SWITZERLAND: Matterhorn Gotthard Railway and Stadler have unveiled a jointly-developed v+ braking system, which they say will ...

MGBahn will equip 25 new ORION trains, set for delivery in 2026, with "v+" technology and retrofit its existing fleet of 11 ...

Want Shorter cranks? 5DEV announces the addition of 155mm and 165mm crank arm lengths to their Road, Gravel, and XC crankset ...

Those frames are moved up and down by a rack-and-pinion system driven by stepper motors. Evertyhing is controlled by an Arduino Mega, acoompanied by a DS3231 RTC and eight ULN2003-based stepper ...

It has a degenerate cone with its apex on the gear itself, so the mating pinion gear cannot mate at a 90 degree angle because if it did, its cone could not meet the center of the planar bevel gear. If ...