TM 11-6660-218-12
chart given in (4) above and proceed as
required (nozzle lift). The computation
follows :
of weights required to obtain this lift is
as follows::
(a) Prepare the inflation area by ground-
ing the hydrogen generator set and
3,000 grams
Nozzle lift required
personnel as described in paragraph
Minus weight of nozzle. 1,500 grams
1,500 grams
Additional weight
(b) Clamp the bracket assembly to the out-
required
let tube of the hydrogen generator set
sembly on the water can.
TMQ-3 is used to inflate the sounding
(c) Generate hydrogen until charges are
balloon, attach charges as listed in the
balloon neck with twine and place it out-
expended; then remove the hydrogen
side the inflation area.
generator set from the water can.
(d) Remove the sounding balloon from the
i. Preparation for Inflating Sounding Balloons
hydrogen generator set and weight of
with Gas Cylinders.
the sounding balloon to the desired free
(1) Move the gas cylinder to the place where
lift, as described in the chart given in
the sounding balloon is to be inflated
(4) above.
several hours before inflation. The gas
inside the sounding balloon must be at
(9) After the inflation is complete, tie the
Change 8
3-5
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