 | James Means - 1910 - 272 pages
...have as the trend of the " relative wind " encountered: 6 — =0.353, or the tangent of 19° 26' 17 which brings the case into the category of rising...relative speed of his soaring was therefore: Velocity = \/17 2 -+- (? =• 18.03 miles per hour. At this speed, using the Langley coefficient recently practically... | |
 | James Means - Aeronautics - 1910 - 304 pages
...have as the trend of the " relative wind " encountered : 6 — =0.353, or tri e tangent of 19° 26' 17 which brings the case into the category of rising...relative speed of his soaring was therefore : Velocity = »</17 2 -f- 6*=- 18.03 miles per hour. At this speed, using the Langley coefficient recently practically... | |
 | W.J. Jackman, M.E. - 1910 - 232 pages
...have as the trend of the ''relative wind" encountered: 6 — — 0.353, or the tangent of 19° 26'. 17 which brings the case into the category of rising...relative speed of his soaring was therefore: Velocity = V J 7" + 6- = 18.03 miles per hour. At this speed, using the Langley co-efficient recently practically... | |
 | Jackman - 1912 - 262 pages
...have as the trend of the "relative wind" encountered: 6 — = 0.353, or the tangent of 19° 26'. i? which brings the case into the category of rising...relative speed of his soaring was therefore: Velocity = Vi? 2 + 6* = 18.03 miles per hour. At this speed, using the Langley co-efficient recently practically... | |
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which brings the case into the category of rising wind effects. But the bird was observed to have a negative angle to the horizon of about 3°, as near as could be guessed, so that his angle of incidence to the "relative wind" was reduced to 16° 26'.... 