| Subject: Charkha |
| A very good article on Gandhi. Charkha however is a technological marvel. It has system of pulleys that are driven not by the belt or gears but by thread or thin rope. More interesting aspect is that the thread is so woven over the bigger pulley so as to provide and adjust the required tension. This aspect of adjustment of tension is yet to be seen in the modern machines where the belt or chain runs over non flexible pulleys. |
| Posted by: Alok Goel on 26 Mar. 2010 |
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