News tagged with wheels

Don't coil it, pour it

For the electric car to roll, a lot of large and small components must function in a safe and reliable manner. Parts for wheel hub motors, in particular, need to be constructed in a robust manner. The researchers from Fraunhofer ...

Mar 31, 2011
4 / 5 (4) 0

Reinventing the wheel

Creating a wheel for some of the worst potholes known to humankind is just one of the extraterrestrial challenges a team of McGill students and professors face in developing and testing a wheel prototype for ...

Dec 01, 2010
5 / 5 (2) 1

Rowheel wheelchair is pulled to move forward

(PhysOrg.com) -- Wheelchairs have a basic problem because the occupant must push the wheels forward to turn the chair’s wheels, but this action is physically stressful on the anterior deltoid muscles ...

Oct 08, 2010 report
5 / 5 (12) 7 | with audio podcast

Wheel in a corset

Are lightweight construction materials suitable for extremely stressed and safety-relevant components such as car wheel? Tests and calculations show that fiber-reinforced plastics are highly damage-tolerant ...

Sep 22, 2010
5 / 5 (1) 2

Engineers Assess Dawn's Reaction Wheel

(PhysOrg.com) -- Engineers are studying the reaction wheels on NASA's Dawn spacecraft after automatic sensors detected excess friction building up in one of them and powered it off early on the morning of ...

Jun 30, 2010
4 / 5 (3) 0

Reinventing the wheel -- naturally

Humans did not invent the wheel. Nature did. While the evolution from the Neolithic solid stone wheel with a single hole for an axle to the sleek wheels of today's racing bikes can be seen as the result of ...

Jun 14, 2010
3.6 / 5 (8) 2 | with audio podcast