TheRenewableEnergyHandbook_page_46

TheRenewableEnergyHandbook | page 46 | https://thedailydialectics.com/pdfs/tesla/TheRenewableEnergyHandbook/TheRenewableEnergyHandbook.pdf

1- Leading edge polished even to diminish friction 2- Trailing edge diminishing pull 3- Bolts 4- Hub 5- Steel bar