Homemade Jet Engine 2.0 | Complete Setup - YouTube
DIY Homemade Steam Engine Running - Made Without Any Machining - YouTube
Coaxial Gearbox -split axis.
151029 A sort of Maxim/Vickers-esque machine gun bolt
Mechanically pleasing to watch...
Stardust Dragon is the most popular Synchro Monster that is in high demand even when XYZ Monsters are the new trend. Don't miss your chance to learn about and get an awesome Synchro Monster, Stardust Dragon.
yusei fudo with stardust dragon. i love the series and the characters :P