All Posts for johan-says

Johans Solar Trike

Johan is a friend who build his own solar powered tricycle. This is his personal contribution to my blog:

40 years ago Sir Clive Sinclair, an English inventor, was far ahead of his time with his 'C5'. He designed and manufactured a single person vehicle that was driven by an electric motor combined with muscle power. The basic technology that was available to him was not as good as it is today. He had to use lead batteries instead of Lithium batteries. A 1kWh in a lead battery would weigh about 25kg, while today the same energy can be stored in…

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