Elektricke kolo
Petr Kubáč
petrkubac na 802.cz
Čtvrtek Červenec 1 21:26:15 CEST 2010
> Berte to tak ze clovek je myslim schopny podavat trvaly vykon jen asi
> 60W - pokud si pamatuji spravne - navrhovalo se na tento vykon to letadlo
> pohanene pouze lidskou silou.
1.5 W / kg se povazuje za aerobni prah pri testovani kardiaku
80% toho prahu se da udrzet mnoho hodin
http://en.wikipedia.org/wiki/Bicycle_performance pise:
Amateur bicycle racers can typically produce 3 watts/kg for more than an
hour (e.g., around 210 watts for a 70 kg rider), with top amateurs producing
5 W/kg and elite athletes achieving 6 W/kg for similar lengths of time.
Elite track sprinters are able to attain an instantaneous maximum output of
around 2,000 watts, or in excess of 25 W/kg; elite road cyclists may produce
1,600 to 1,700 watts as an instantaneous maximum in their burst to the
finish line at the end of a five-hour long road race. Even at moderate
speeds, most power is spent in overcoming aerodynamic drag, which increases
with the square of speed.
nevybirali pro to letadlo nejakeho 40kg strizlika ?
Zdravi Petr Kubac
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