Estes B4-2 Rocket Motors:
The Estes B4-2 is a single stage standard Estes Rocket Engine designed for launching Model Rockets that weigh less than four (4) ounces. Take the following Estes Model Rockets to your favorite launch site and use the Estes B4-2 as your Rocket Engine of choice:
The B4-2 Estes Rocket Engine package includes the following:
- Three (3) Estes B4-2 single stage engines
- Three (3) Igniters
- Four (4) Igniter Plugs
1601 - B4-2 Estes Model Rocket Motor - Specifications:
| Engine Type: | B4-2 |
| Total Impulse - N-sec: | 5.0 |
| Time Delay - Sec.: | 2 |
| Maximum Lift Wt. - Oz.: | 4.0 |
| Maximum Lift Wt. - g: | 113 |
| Maximum Thrust - Newtons: | 13.2 |
| Maximum Thrust - Lbs.: | 3.0 |
| Thrust Duration - Sec.: | 1.1 |
| Initial Weight - Oz.: | 0.70 |
| Initial Weight - g: | 19.8 |
| Propellant Weight - Oz.: | 0.29 |
| Propellant Weight - g: | 8.33 |
The 1601 - B4-2 Estes Model Rocket Engine is a Single Stage (Green Label) engine.