2. The power of the electric heater is about 2 kW and the voltage is 220V, so the generator you need is more than 2 kW. 220 volts

If you drive the generator with a bicycle, you need a series of gear sets. According to your power requirements, the speed of the bicycle should be at least tens of kilometers per hour, and the generator is driven by inertia.

Generally, generators of this power are driven by gasoline engines, diesel engines or wind power, so it seems very difficult to drive them manually.

5.……