Page:Aerial Flight - Volume 1 - Aerodynamics - Frederick Lanchester - 1906.djvu/293

Table XII.—Aeroplane Data.

Pounds per square foot for different values of $V$ for Least Resistance.

	Feet per Second.	Values of “$n$”:—
		3.	4.	5.	6.	7.	8.	10.	12.
$\xi =.020.$	5 10 15 20 25 30 35 30 50 60 70 80	.0086 .034 .077 .138 .215 .310 .421 .550 .861 1.24 1.68 2.20	.0090 .036 .081 .144 .225 .322 .440 .576 .900 1.29 1.76 2.30	.0094 .037 .084 .150 .234 .337 .460 .601 .940 1.35 1.83 2.40	.0096 .038 .086 .154 .240 .346 .471 .616 .963 1.38 1.88 2.46	.0098 .039 .088 .158 .246 .354 .482 .631 .985 1.42 1.93 2.52	.0101 .040 .090 .161 .252 .363 .494 .646 1.01 1.45 1.97 2.59	.0104 .042 .094 .167 .261 .376 .510 .670 1.04 1.50 2.05 2.68	.0107 .043 .096 .171 .268 .385 .525 .686 1.07 1.54 2.10 2.74
$\xi =.015.$	5 10 15 20 25 30 35 30 50 60 70 80	.0075 .0300 .067 .120 .187 .269 .367 .480 .750 1.08 1.47 1.92	.0078 .0313 .070 .125 .195 .282 .384 .501 .783 1.12 1.53 2.00	.0081 .0325 .073 .130 .203 .292 .398 .520 .813 1.17 1.59 2.08	.0084 .0336 .075 .134 .210 .302 .410 .538 .840 1.21 1.65 2.16	.0086 .0344 .077 .137 .214 .309 .420 .549 .858 1.23 1.68 2.20	.0087 .0350 .079 .140 .218 .315 .430 .560 .875 1.26 1.71 2.24	.0090 .0362 .081 .145 .226 .326 .444 .580 .905 1.30 1.77 2.32	.0093 .0372 .083 .149 .232 .335 .456 .596 .930 1.34 1.82 2.38
$\xi =.010.$	5 10 15 20 25 30 35 30 50 60 70 80	.0060 .024 .054 .097 .151 .242 .297 .387 .606 .871 1.18 1.55	.0063 .025 .057 .102 .159 .254 .312 .407 .637 .916 1.24 1.63	.0066 .026 .059 .105 .165 .264 .323 .422 .660 .950 1.29 1.69	.0068 .027 .061 .109 .171 .273 .335 .437 .683 .984 1.34 1.75	.0070 .028 .063 .112 .175 .279 .342 .447 .699 1.00 1.37 1.79	.0071 .028 .064 .114 .179 .286 .350 .457 .714 1.02 1.40 1.83	.0073 .029 .066 .118 .185 .295 .361 .472 .738 1.06 1.44 1.89	.0076 .030 .068 .122 .191 .304 .373 .487 .761 1.09 1.49 1.95