Clue | Source | Date |
---|---|---|
Gasses | ||
Some aircraft engines | Premier Sunday | 16 Aug 2020 |
Powerful engines | Eugene Sheffer | 11 Dec 2019 |
Jack in steamrollers (only half working) for aero engines | ||
Engines that require assisted takeoffs | ||
Powerful engines | ||
Aircraft propellers without moving parts | ||
Certain plane engines |