2 Stroke and 4 Stroke Engines

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Across
  1. 3. The end of the combustion stroke and the beginning of the compression stroke happen when?
  2. 6. The second stroke in a two stroke engine is called what?
  3. 8. What engine is made of a block (stator) built around a large non-concentric rotor and crankshaft?
  4. 10. In what stroke is the spark plug ignited in a 4-stroke engine?
  5. 11. The spark plug ignites what in the combustion chamber?
  6. 13. In the exhaust stroke, the piston is traveling in what direction?
  7. 14. Who invented the two-stroke engine?
  8. 15. compression stroke consists of the piston traveling in what direction in the 4 stroke engine?
Down
  1. 1. A four-stroke cycle experiences how many piston movements over two engine revolutions?
  2. 2. During the power stroke, the piston is located in what position?
  3. 4. Both intake and outtake valves are opened or closed during the compression stroke in the 4 stroke engine?
  4. 5. The first stroke in a two stroke engine is called what?
  5. 7. In the combustion stroke, the piston moves in what direction?
  6. 9. An SI engine starts the combustion process in each cycle by use of what?
  7. 12. The two stroke cycle has how many piston movements over one revolution?