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Experimental
At least two measurements of human power capability
should be
made using different testing equipment. One of these must be a bicycle ergometer
using either the upright and/or prone rider position. The test conditions
should be designed to provide enough power plant information to permit design
decisions such a gear selection and wheel size to be addressed. This same
data would apply to an aircraft or a boat, in which case the range of good
impedance match should give the desired propeller rotational speed.
The
diagram suggests a way of thinking about this problem and you should obtain
data that might yield such a curve. Is this curve rider dependent? Does the
range of good impedance match influence how gears
should be chosen? Rider
fatigue is also an issue in power
plant terms. On a bicycle or in a boat
this might not be an overriding problem, but in a human-powered aircraft such
as Daedalus rider fatigue could terminate the flight. |
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