Constant Thrust and Isp engine model properties that can be selected as control parameters for a Target Sequence.
| Member | Value | Description |
|---|---|---|
| eVAControlEngineConstantGrav | 0 | The gravitational acceleration constant at sea level on the Earth. |
| eVAControlEngineConstantThrust | 1 | The thrust for the engine. |
| eVAControlEngineConstantIsp | 2 | The specific impulse for the engine. |





