Abstract
The 2-Skate was tested but the rider might have been a circus acrobat. So the present study aimed at determining if ordinary persons can ride it with confidence, with the same phase lag between torso and vehicle leaning when slaloming, and the same torso and vehicle lean angles in steady state curves as predicted. 12 riders tested the 2-Skates and on their first trial, they could ride it and go slaloming. Phase lag and lean angle were as predicted by the Torso-Arms-Handlebar Steering Theory presented by Ethier, with differential non-holonomic and servomechanism system equations. This confirmation (a) sheds light on how bicycles are steered, (b) clarifies that Countersteering is done automatically at low speeds, (c) supports and clarifies the way mountain bike steering is taught, (d) suggests a slight modification in teaching motorcycle Countersteering, (e) can be used to develop different approachs to 2-Wheeler simulators, (f) and can renew interest for motorcycles with seat belts and protective structure like the BMW-C1 and the award winning Peraves e-Tracer.
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