| Answer | Crossword Clue |
|---|---|
| JET | Kind of propulsion |
| JET | Kind of propulsion. |
| OAR | Means of propulsion |
| JETENGINE | Means of propulsion. |
| OAR | Means of propulsion. |
| EGOTRIP | Journey of self-propulsion? |
| ROLLERSKATE | Child's means of propulsion |
| FLAGELLA | Microscopic means of propulsion |
| ASTRONAUTICALLY | According to a means of proposed propulsion. |
