362 CALCUL DES FORCES MISES EN JEU DANS LE VOL DES OISEAUX 
DEUXIÈME PLAQUE 
Vol oblique en descendant (40 images). 
PHASE 
du 
COUP 
d’aile. 
TEMPS 
en 
fentièm . 
de 
seconde 
sec 
ÏOÔ 
DÉPLACEMENTS 
TOTAUX 
ESPACES 
SUCCESSIFS 
VITESSES 
DÉDUITES DU 
CALCUL 
VITESSES 
DÉDUITES DES 
• COURBES 
DIFFÉRENCES 
DES VITESSES 
POUCE 
Hor. 
Vert. 
Hor. 
Vert. 
Hor. 
Vert. 
Hor. 
Vert. 
Hor. 
Vert. 
Hor. 
Vert. 
mm. 
mm. 
mm. 
mm. 
met. 
met. 
met. 
met. 
met. 
met. 
kilos. 
kilos. 
= 
0.00 
0 
0 
£ . 5 
0.01 
93.8 
— 5.8 
4.690 
— 0.290 
4.690 
—0.290 
0.02 
93.8 
— 5.8 
—0.320 
—0.225 
— 1.010 
-0.713 
0.03 
87.4 
— 10.3 
4.37 
—0.515 
4.370 
— 0.515 
- 
0.04 
181.2 
—16.1 
+0.070 
— H 0 . 085 
+0.222 
+ 0.268 
0.05 
89.2 
— 8.6 
4.56 
—0.430 
4.440 
—0.430 
0.06 
270.4 
—24.7 
+0.685 
+0.200 
+ 2.170 
+ 0.920 
■g 
0.07 
102.5 
— 2.4 
5.125 
—0.120 
5.125 
—0.140 
a> 
o.os 
372.9 
—37.1 
+0.155 
—0.360 
+0.490 
—1.140 
0.09 
105.6 
—12.6 
5.28 
—0.630 
5.280 
—0.500 
$ 
0.10 
478.5 
—49.7 
—0.135 
—0.600 
—0.428 
—1.900 
6 
1 ?? 
0.11 
102.9 
—17.9 
5.145 
—0.895 
5.145 
-1.100 
< 
0.12 
581.4 
—67.6 
+0.090 
-0.345 
+0.285 
— t .090 
0.13 
104.7 
—28.9 
5.235 
— 1.445 
5.235 
—1.445 
0.14 
686.1 
—96.5 
+1.090 
+ 0.755 
+3.450 
+2.380 
Pt 
0.15 
126.5 
—13.8 
6.325 
—0.690 
6.325 
—0.690 
o 
0.16 
812.6 
—110.3 
—0.685 
+0.390 
—2.170 
+ 1.235 
0.17 
112.8 
— 16.5 
5.640 
—0.325 
5.640 
—0.300 
CJ I 
a 
0.18 
925.4 
—116.8 
—0.600 
+0.160 
—1.900 
+0.510 
0.10 
98.6 
—28.0 
4.930 
—0.140 
5.040 
—0.140 
> 
0.20 
1024 
—144.8 
—0.140 
—0.260 
—0.444 
—0.825 
— 
0.21 
108 
— 8.1 
5.40 
—0.405 
4.900 
—0.400 
0.22 
1132 
—152.9 
0.0 
— 0.765 
0.0 
—2.425 
0.23 
97 
—23.3 
4.85 
— 0.165 
4.900 
— 1.165 
0.24 
1229 
— 176.2 
+0.150 
+0.155 
+0.475 
+ 0.477 
0.25 
101 
—19.4 
5.05 
—0.970 
5.050 
—1.010 
(1.26 
1330 
— 1 95 . 6 
+ 0.100 
+0.330 
+0.316 
+1 .041 
0.27 
103 
— 14.7 
5.15 
—0.735 
5.150 
—0.680 
-g 
0.28 
1433 
—210 .3 
+0.450 
+ 0.385 
+ 1.425 
+ 1.219 
S 
0.29 
112 
- 5.9 
5.60 
—0.295 
5.600 
—0.295 
£ 
0.30 
1545 
—226.2 
+0.100 
+0.765 
+0.316 
+2.425 
0.31 
114 
—21.2 
5.70 
-1.060 
5.700 
—1.060 
1 ^ 
0.32 
1659 
—247.4 
+ 0.250 
—0.710 
+0.790 
—2.245 
6 
< 
0.33 
119 
—35.5 
5.95 
—1.775 
5.950 
—1.775 
0.31 
1778 
—282.9 
+0.450 
+ 0.360 
+1.425 
+1.140 
0.35 
128 
—28.3 
6.40 
— 1 .415 
6.400 
—1.415 
0.36 
1906 
—311.2 
—0.060 
+0.0S5 
—0.190 
+0.268 
P 
0.37 
126 
—26.0 
6.30 
— 1 .330 
6.340 
— 1.330 
O 
0.38 
2032 
—338.8 
-0.340 
+0.150 
— 1 .077 
+0.475 
O 
0.39 
123 
—22.7 
6.15 
— 1.135 
6 000 
— 1.180 
0.40 
2155 
—361.5 
—0.400 
+ 0.140 
— 1.270 
+ 0.443 
d 
0.41 
112 
—22.0 
5.6 
—1.100 
5.600 
—1.040 
1 +3 
0.42 
2267 
—383.5 
—0.010 
+ 0.320 
—0.032 
+ 1.012 
> 
0.43 
113 
—18.7 
5.65 
—0.935 
5.590 
—0.720 
0.44 
23S0 
—402.2 
—0.060 
+0.655 
—1.190 
+ 2.070 
w 
0.45 
109 
— 1.3 
5 . 45 
— 0 . 065 
5.530 
—0.065 
0.46 
2489 
—403.5 
—0.180 
—0.180 
-0.252 
-0.570 
0.47 
109 
— 4.9 
5.45 
—0.245 
5.450 
—0.245 
0.48 
2598 
—408.4 
+0.100 
—0.265 
+0.316 
-0 840 
