Walker, 1905, The vertical screw aërial machine, with special notes on the lifting propellers
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"This machine was taken in hand in 1899 with the assistance of Mr. P. Y. Alexander."
"By numerous calculations and experiments I came to the conclusion that in the case of machines of this type a minimum of 50 h.p. would be necessary to lift a man off the ground."
| Original title | The vertical screw aërial machine, with special notes on the lifting propellers |
|---|---|
| Simple title | The vertical screw aërial machine, with special notes on the lifting propellers |
| Authors | William George Walker |
| Date | 1905 |
| Countries | GB |
| Languages | en |
| Keywords | helicopter, vertical, screw, aerial machine, notes, lifting, propeller, passenger, Patrick Young Alexander |
| Journal | Aër. Journ. |
| Related to aircraft? | 1 |
| Page count | 2 |
| Word count | |
| Wikidata id |
Sources
- Brockett 1910, page 874, entry 12621: Walker, William George. The vertical screw aërial machine, with special notes on the lifting propellers. Aër. Journ., Vol. 9, No. 36, 1905, London, pp. 57-58. S (12621
- Scan at Internet Archive
