Estes E9-4 Engines:
The E9-4 Estes Model Rocket Motor is engineered for for larger Estes Rockets that weigh less than fifteen (15) ounces including the Estes Engine. The Estes E9-4 Rocket Motor can be used to launch the following high flying Estes Model Rockets:
The E9-4 Estes Motor pack includes:
- Three (3) Estes E9-4 Engines
- Three (3) Igniters
- Four (4) Igniter Plugs
E9-4 Estes Rocket Engine Specifications:
| Engine Type: | E9-4 |
| Total Impulse - N-sec: | 30.0 |
| Time Delay - Sec.: | 4 |
| Maximum Lift Wt. - Oz.: | 15.0 |
| Maximum Lift Wt. - g: | 425 |
| Maximum Thrust - Newtons: | 25.0 |
| Maximum Thrust - Lbs.: | 5.6 |
| Thrust Duration - Sec.: | 2.8 |
| Initial Weight - Oz.: | 2.00 |
| Initial Weight - g: | 56.7 |
| Propellant Weight - Oz.: | 1.27 |
| Propellant Weight - g: | 35.80 |
The 1673 - E9-4 Estes Model Rocket Engine is a Single Stage (Green Label) engine.
