Many people know that you can add a generator to the exercise bike, and not as low-power as they install on bike to power the headlights, and with a capacity of several tens of watts. But not everyone knows how to complete the alteration. The author of Instructables under the nickname wingsinger offers one way. The wizard begins by removing the components that create the load. Here they are of two types: brakes ...
... and fixed belts:
The wizard also deletes the power meter:
The new belt will be movable, so a groove is required, a sketch of which is given below:
The master came up with a way to get it. It will take two people. One diligently rotates the exercise bike pedals, and the second processes the flywheel according to the principle of a lathe. Slow, long, but worth it.
It was just a flywheel, it turned out a pulley and a flywheel at the same time. The master tries on a belt:
Draws up a sketch of the base for installing the generator:
And makes it:
Well, according to the following sketch ...
... makes a mount in which the generator will be mounted on the base with the ability to move to tension the belt.
Everything collects and connects the outlet:
In the following two photos, a plug with a cord is already in the outlet. To which consumer does the cord go?
Here to this:
Joke. Here is a diagram of a device compiled by the master, which contains an ammeter, voltmeter, switches, lampholders for lamps and a power outlet for the load. Of course, you can connect only those loads that withstand voltage fluctuations over a wide range and its periodic failure.
According to this scheme, the master assembles in a wooden case a structure worthy of appearing in the frame of Fallout or “Guests from the Future”:
An exercise bike with a generator is ready to accept the following:
Multiplying the current by the voltage, you can calculate the power generated by the generator. At the same time, man produces even greater power, since the efficiency of the belt drive and generator is less than one.