The Estes D12-7 engine is an upper stage rocket engine. This engine can also be used as a single stage engine for flights in rockets weighing less than 225g including the engine. Each package includes 2 engines, 2 igniters and 4 igniter plugs.
How does a model rocket engine work?
- When the engine is ignited, it produces thrust and boosts the rocket into the sky:
- After the propellant is used up, a delay is activated, producing tracking smoke and allowing the rocket to coast:
- After the delay is burnt, the ejection charge activates, deploying the recovers system: