I always wondered how a sewing machine worked. Now I know…if I could have something similar for internal combustion engine and vinyl records that’d be great. thanks..
courtesy of swissmiss
Wow, you have no idea how long I wondered that too
thats awesome! :)
try this for combustion engine (assuming you mean 4 cyl 4 stroke) http://auto.howstuffworks.com/engine1.htm
Here is one I made :-)