| Country of origin | United Kingdom |
|---|---|
| Application | 1st stage booster |
| Predecessor | Gamma 8 |
| Liquid-fuel engine | |
| Propellant | Hydrogen peroxide / kerosene |
| Performance | |
| Thrust, sea-level | 7,500 lbf (33 kN) |
The Larch was a family of rocket engine intended as an upgrade to Black Arrow launch vehicles. They were manufactured by Rolls-Royce between 1965 and 1971. They burned kerosene fuel and hydrogen peroxide.