biography
| name: |
Ricardo, Sir Harry (Ralph)
|
pronunciation:
[rikah(r)doh]
| sex:
| male
|
| lived:
| (1885–1974)
|
| biography:
| Mechanical engineer, born in London, UK. He studied at Cambridge, where he designed and built several small petrol engines, and began to work on the problems of ignition, combustion, and detonation. He soon recognized the importance of the type of fuel in avoiding detonation or ‘knocking’, and this led to the use of octane numbers to measure the anti-knock properties of petrols. His improved design of the combustion chamber in side-valve engines has been universally adopted. |
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