Page:Aerial Flight - Volume 1 - Aerodynamics - Frederick Lanchester - 1906.djvu/291

Table X.

Pterygoid Aeeofoil.

Load (pounds) per Square Foot for Least Resistance.

	Ft. per Sec.	Values of “$n$”:—
		3.	4.	5.	6.	7.	8.	10.	12.
$\xi =.030.$	5 10 15 20 25 30 35 30 50 60 70 80	.020 .082 .186 .331 .516 .743 1.01 1.32 2.06 2.97 4.05 .5.29	.023 .092 .207 .367 .574 .827 1.12 1.47 2.30 3.31 4.50 .5.89	.025 .101 .228 .405 .633 .911 1.24 1.62 2.53 3.65 4.96 .6.48	.027 .108 .245 .435 .680 .978 1.33 1.74 2.71 3.91 5.32 .6.95	.029 .115 .260 .462 .721 1.04 1.41 1.84 2.88 4.15 5.64 .7.39	.031 .124 .280 .497 .777 1.12 1.52 1.99 3.11 4.47 6.09 .7.95	.034 .136 .307 .546 .852 1.23 1.67 2.18 3.41 4.91 6.70 .8.73	.037 .148 .333 .593 .926 1.33 1.82 2.37 3.70 5.33 7.25 .9.48
$\xi =.020.$	5 10 15 20 25 30 35 30 50 60 70 80	.017 .068 .152 .270 .390 .610 .830 1.08 1.69 2.44 3.32 4.33	.018 .075 .169 .300 .433 .676 .920 1.20 1.88 2.70 3.68 4.81	.020 .082 .186 .330 .475 .743 1.01 1.32 2.06 2.97 4.05 5.30	.022 .089 .200 .355 .511 .800 1.08 1.42 2.22 3.20 4.35 5.70	.023 .094 .213 .379 .545 .852 1.16 1.51 2.37 3.40 4.64 6.07	.025 .101 .228 .405 .582 .911 1.24 1.62 2.53 3.64 4.96 6.47	.028 .111 .250 .445 .641 1.00 1.36 1.78 2.78 4.01 5.46 7.13	.030 .121 .272 .484 .697 1.09 1.48 1.94 3.03 4.36 5.93 7.75
$\xi =.010.$	5 10 15 20 25 30 35 30 50 60 70 80	.012 .047 .107 .190 .298 .427 .582 .760 1.18 1.71 2.32 3.04	.013 .053 .119 .211 .331 .475 .647 .845 1.32 1.90 2.58 3.38	.014 .058 .131 .234 .366 .526 .717 .935 1.46 2.10 2.86 3.73	.015 .063 .142 .258 .396 .570 .777 1.01 1.58 2.28 3.10 4.05	.016 .066 .150 .267 .418 .601 .820 1.07 1.67 2.40 3.27 4.27	.018 .071 .161 .287 .450 .645 .880 1.15 1.79 2.58 3.51 4.59	.019 .079 .177 .315 .495 .710 .967 1.26 1.97 2.84 3.86 5.05	.021 .085 .192 .341 .535 .769 1.04 1.36 2.13 3.07 4.18 5.45

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