正在加载视频...
视频加载失败
“Notice how this spring-and-flywheel free-energy ( Almost perpetual motion other than the fact that you have to do some minor maintenance ) system speeds up rather than loses momentum. It’s hard to deny the potential-- this could easily drive a large 10-20 KW generator and power your entire house.
0 条评论
暂无评论
原始帖子的评论将显示在这里
