Warping—The springing of a wing out of its normal shape, thereby creating a temporary difference in the extremities of the wing which enables the wind to heel the machine back again into balance.
ABREVIATIONS
| H. P. | Horse Power. |
| R. P. M. | Revolutions per minute. |
| H. L. | Hand launched. |
| R. O. G. | Rise off ground model. |
| R. O. W. | Rise off water model. |
| M. P. H. | Miles per hour. |
THE END
Transcriber’s Note (continued)
Errors in punctuation have been corrected. Inconsistencies in spelling, grammar, capitalisation, and hyphenation are as they appear in the original publication except where noted below:
Page 16 – “bob-sled″” changed to “bobsled″” (an ordinary bobsled)
Page 53 – “approximately cross section” changed to “approximately circular cross section”
Page 55 – “run” changed to “runs” (one of which wires runs to)
Page 83 – “ten″” changed to “10″” (10″ propeller)