Estes 1788 1/2A3-4T Estes Engine Bulk Pack:
This Model Rocket Engine Bulk Pack is a perfect fit for the Estes Up AerospaceLoft Bulk Rocket Kit. If your school or group is looking for an exciting and educational model rocket project, you have found it!
Estes Engine Bulk Packs contain enough motors and flight supplies for twenty four (24) Model Rocket launches.
The 1/2A3-4T Estes Engine Bulk Pack includes:
- Twenty four (24) Estes 1/2A3-4T rocket engines
- Thirty (30) model rocket igniters
- Tenty four (24) reusable igniter plugs
- Seventy five (75) - 4.5 in. (11.4 cm) squares of recovery wadding
Estes 1/2A3-4T Model Rocket Motor - 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 1/2A3-4T Estes Engine is an Upper Stage (Purple Label - can be used as single stage engines in lightweight rockets) engine.
