EVERY bicycle in Amsterdam is outfitted with a dynamo powered
headlamp, where the rider has to pump the pedals extra super hard and the head
lamp shines dimly. If you are younger than 35 years old, you probably have
never seen one of these in the USA, so here are some close ups. You can
also look at any of the OTHER pictures on this page to see more examples.
The first picture shows the system which is the big green painted headlight has
a squiggly electric line down to the "dynamo" which pushes up against the front
wheel of the bicycle. This puts a HUGE drag on the rider of the bicycle
(maybe doubles the effort of pedaling) so during the daylight hours there is a
hinge to tilt the dynamo away from the bicycle wheel (which turns off the
headlight). There are several important implications of this horrible
system, the most dangerous drawback is that when you stop at a stop sign your
head light goes off. The most annoying part of the system is that it tires
out the poor slob peddling the bicycle. See the picture below.
Below were three parked bicycles in Amsterdam showing three
dynamos.
A close-up of the dynamo on one particular Amsterdam bicycle.
The dynamo powers the head light on the bicycle through human pedal power.
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