Nice, There was instructions for wind sail generator in BWH I think it was. Car gen and made of two bike wheels and canvas sail. Was made to feather in higher wind. (springs) He would make a light at least. Bearings and such is beyond me. Big car gens. 12 V. People try all kinds of things.
"Make it your ambition to lead a quiet life, to mind your own business, and to work with your hands, just as we told you, so that your daily life may win the respect of outsiders and so that you will not be dependent on anybody."