Estes 1/2A3-4T Model Rocket Motors:
The Estes 1/2A3-4T is a mini engine that has been designed for launching lightweight rockets. Use the 1/2A3-4T Engine to launch the following Estes Rockets:
The Estes 1/2A3-4T 1504 Model Rocket engine package includes the following:
- Four (4) 1/2A3-4T Estes Mini Engines
- Four (4) Igniters
- Four (4) Igniter Plugs
1504 - 1/2A3-4T Estes Model Rocket Engine - Specifications:
| Engine Type: | 1/2A3-4T |
| Total Impulse - N-sec: | 1.25 |
| Time Delay - Sec.: | 4 |
| Maximum Lift Wt. - Oz.: | 1.0 |
| Maximum Lift Wt. - g: | 28 |
| Maximum Thrust - Newtons: | 8.3 |
| Maximum Thrust - Lbs.: | 1.9 |
| Thrust Duration - Sec.: | 0.3 |
| Initial Weight - Oz.: | 0.21 |
| Initial Weight - g: | 6.0 |
| Propellant Weight - Oz.: | 0.06 |
| Propellant Weight - g: | 1.75 |
The 1504 - 1/2A3-4T Estes Model Rocket Engine is an Upper Stage (Purple Label - can be used as single stage engines in lightweight rockets) engine.