Cast iron flywheel probably suit steam engine. 4 1/2" diameter x 5/8" .373 bore I think may be 10mm ?
Woodland Scenics JP5647 Arched Cast Iron Street Lights O (2), JP5647 (US IMPORT)
3D Printed 1/200 UK HMS Iron Duke (Iron Duke-class) Battleship 1928 resin kits
BANDAI SPIRITS HG 1/144 Iron-Blooded Orphans Tekkadan Complete Set IRON-BLOODED
1997-1998 PROTAR PROVINI Catalog Die Cast Micro Die Cast Plastic Model Kits
Minitrix 41289105 N Scale Motor With Flywheel For BR103 BR151 Full Function
Mini Metal Hot Air Stirling Engine Motor Flywheel Generator DIY Model Toy
