in this video i start building a part of the gear system for my gravity powered generator using the gears and chains from bikes. also, if anyone happens to know what metal that super hard part is, i would love to know.
twitter: https://twitter.com/anto77562
deviant art: http://anto77562.deviantart.com/
if you wish to contact me please email me at: anto77562@gmail.com
i do not own any brands, companies, or music that may be in this video
If there is anything that violates copyright or any other commun
آی-ویدئو