File:1904 White & Poppe motorcycle engine elevations.jpg
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Summary
| Description |
English: 1904 White & Poppe motorcycle engine with several advanced and distinctive features. Cylinder is 80 mm x 85 mm. Compression 4¼ atmospheres or about 64 lbs psi, normal speed about 1,800 rpm. Inlet and exhaust valves are mechanically operated and interchangeable. Valve seats may be removed, there is provision for adjusting the valve stem length and timing. Bearings are hard phosphor bronze.
The engine is available air-cooled or with a water-cooled head. The head is so arranged to permit the sparking plug to be placed centrally over the piston or directly over the inlet valve. |
| Date | |
| Source | The motor car journal page 30 January 1904 |
| Author | Unknown author |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:51, 31 August 2017 | | 857 × 766 (200 KB) | Eddaido | User created page with UploadWizard |
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