Evaluation of Gust and Draft Velocities from Flights of P-61C Airplanes within Thunderstorms August 16, 1947 to August 20, 1947 at Clinton County Army Air Field, Ohio Page: 30 of 50
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NACA RM No. L8B04
29
or a
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"aCloud entry.
bClou&d exit.TABLE I.- SUMMARY OF GUST MEASURhMINTS - Continued
Maximum Maximum
effective trueGust
Time Pressure gust gust gradient No.
interval altitude velocity velocity distant of
(sec) (ft) Uemag Ut (ft) gusts
August 17, 1947 - Flight 27
Airplane 344 - Traverse 5
Length of traverse 573.3 sec
410 - 420 14,500 12.4 -7.7 ----------- 5
420 - 430 -4.3 ------- ------ 1
430 - 440 15,000 18.9 -12.7 ---- -15.7 --- 119 5
440 - 450 5.9 -9.9 5
450 - 460 3.4 ----- --------- --- -- 1
460 - 470 5.6 -5.o ---- ---- --- ---- 2
470 - 48 17.3 -7.4 ---- ----- ------- 6
480- 490 13.0 -9.9 ---.- ----- --- ----- 7
490 - 500 10.2 -17.6 ---- ----------- 8
500 - 510 15,500 7.1 -13.0 --------- --- --- 6
510 - 520 6.2 -6.5 ---- ----- --- --- 5
520 - 530 16,ooo 9.3 -11.1 .--.--- ---- - - --- -- 5S
530 - 540 2.8 -7.4 ---- ----- ------ 4
s4o - 550 ---- .-4.0 --- ----- - ---- 2
550 - 560 15,500 -2.8 --------- --- --- 1
560- 570 o 6.5 -.6 ---- ----- ----- 3
b570 - 580 ---- ----- ---- ----- --- --- 0
Airplane 351 - Traverse 1
Length of traverse 1138.2 sec
0 - 10 10,000 4.3 -7.2 14.4 ----- 76 --- 6
10 - 20 9,500 ----- -
20 - 30 4.6 4.7 ----- 52 --- 1
30 - 70 10,000 ---------- ----- ----------- 0
a70 - 80 3.2 -10.3 3-7 -- 83 --- 4
80 - 90 9,500 17.6 -9.7 ---- ----- --- --- 6
90 - 100 10,000 20.4 -17. -------- ----- 7
100 - 110 6.1 -3.1 ---- ----- --- --- 2
10 - 120 10,500 11.0 -20.0 --------- -- --- 5
120 - 130 10,000 8.8 -10.7 - --- ------- --- --- 2
130 - 140 ------ - ---- ----- ---- ----
140 - 150 7.8 -9.7 .---- ----- --- --- 7
150 - 160 4.9 -4.0 7.2 ----- 28 --- 4NAC
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Funk, Jack. Evaluation of Gust and Draft Velocities from Flights of P-61C Airplanes within Thunderstorms August 16, 1947 to August 20, 1947 at Clinton County Army Air Field, Ohio, report, March 5, 1948; (https://digital.library.unt.edu/ark:/67531/metadc64080/m1/30/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.