Craig, the first pic is spring cold, weight pulled up into the closed flap position. #2 is spring warm expanded allowing weight to drop counterclockwise as you are looking at it to open flap position. #3 is backside and spring.
Larry Old man᠁Old truck᠁neither one goes very fast. All you need in life is TIME, PATIENCE and MONEY. If you are missing one component, you'll need an abundance of the others two.