TM 11-6660-218-12
ML-305A/TM .. . . . . . .. . .. . . . . . . . . . . . . .Generates enough hydrogen to inflate a 100-gram balloon to produces free lift of 650 grams minimum.
ML-587/TM. . . . . . . . . . . . . . . . . . Generates enough hydrogen from calcium hydride to produce a total lift of 1,360 grams.
e. Head and Chest Set H-164/U.
Impedance.. . . . . . . . . . . . . . . . . . .. 900 ohms.
operating power. . . . . . . . . . . . . . . .Sound powered.
Operating range. . . . . . . . . . . . . . . . . .Approximately 3 miles.
f. Hydrogen Generator Set AN/TMQ-3.
Hose ML-81
Material . . . . . . . . . . . . . . . . . . . . Heavy gum tubing.
Dimensions . . . . . . . . . . . . . . . . 1/8-inch inside diameter. 3/4-inch outside diameter. S-10 feet long.
`Hydrogen Generator
ML-303/TM :
Chemical charge. . . . . . . . . . . . .Calcium hydride.
Type . . . . . . . . . . . . . . . . . . . . .. One-shot.
Manifold ML-344/TMQ-3:
Number of input tubes. . . . ...4.
Number of output tubes. . . . . . I.
g. Lighting Unit
I Power source . . . . . . . . . . . . . ML.-.608/oltM water-activaed Battery BA-253/U.
A
. . . . 6-v dc,
Bulb base . . . . . . . . . . . . . . . . . . . . . . Bayonet.
h. Nozzle ML-196.
Material . . . . . . . . . . . . . . . . . . . . . . .. Steel.
Weighing off range . . . . . . . . . . . . . . . 1,500 to 3,700 grams in 100-gram steps.
Separate weights. . . . . . . . . . . . . . ..100, 200, 400, 500, and 1,000 grams.
i. Parachute ML-132.
Material . . . . . . . . . . . . . . . . . . . . . . . . Paper.
Size . . . . . . . . . . . . . . . . . . . . . . . . ...6 feet in diameter.
j. Parachute ML-609/U
I
Material . . . . . . . . . . . . . . . . . . . Paper.
Size . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 inches in diameter.
k. Plotting Board ML-122.
Type.. . . . . . . . . . . . . . . . . . . . . . . .. Portable.
Material . . . . . . . . . . . . . . . . . . Plywood with phenolic surface.
lnscriptions.. . . . . . . . . . . . . . . . . ..3 horizontal Iines, 25 vertical lines, and a degree azimuth scale consisting of 360 circle marked in
1/5 divisions.
1. Psychrometer ML-224.
Type . . . . . . . . . . . . . . . . . . . . . . . . ..General observation.
Thermal element . . . . . . . . . . . . . . . . Mercury.
Temperature range:
General........ . . . . . . . . . . ..-37 C to +46 C.
Tropical.. . . . . . . . . . . . . . ..12 C to +63 C.
Tropical . . . . . . . . . . . . . . . . . . 1 intervals with every tenth degree numbered.
Accuracy :
Below 18 C . . . . . . . . . . . . . . 0.4 C.
From -18 to 0 C . . . . . . . . . . . 0.3 C.
Above 0 C . . . . . . . . . . . . . . . . . 0.2 C.
Mounting. . . . . . . . . . . . . . . . . . .. Metal frame.
Method of ventilation. . . . . . . . . . . . Hand sling.
m. Radiosonde Set AN/AMT--4(*).
Meteorological measurements:
Atmospheric pressure. . . . . ...5 to 1,060 millibars 4.
Temperature . . . . . . . . . . . .. +60 C to-90 C 1
Relative humidity. . . . . . . ...15 to 100 percent 10.
Distance range:
Altitude . . . . . . . . . . . . . . 100,000 feet maximum.
Horizontal . . . . . . . . ...125 miles maximum.
Power source . . . . . . . . . . . . . . . . . . . Battery Pack BA-259/AM.
Output power . . . . . . . . . . . ...3 watts (approximate).
n. Reel RL -39-( *).
('capacity . . . . . . . . . . . . . . . . . . . . . . mile of Wire W - 130-A, or its equivalent.
Change 8
1-5
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