1716
8
The pilot in example 7 wishes to know how far he will have travelled when his
climb is finished. His average true air speed is 120 miles per hour and he is aided
by a tail wind of 20 miles per hour.
Solution:
Set 140 miles per hour (120 + 20) on mobile scale opposite «hour index»
on fixed scale. Opposite 14.8 minutes (computed from example 7) on fixed scale
read 34.5 miles on mobile scale.
NAUTICAL AND STATUE MILE CONVERSION
On the fixed scale both nautical (Naut) and statute (Stat) miles are shown, also
kilometers (KM) (red mark just to the right of MPH).
The conversion from statute to nautical or nautical to statute miles is read
directly on the mobile scale.
9
Known: 60 statute miles. Required: Nautical miles.
Solution:
Set 60 on mobile scale opposite «Stat» on fixed scale. Opposite «Naut» on
fixed scale, read 52 nautical miles on mobile scale.
10
Known: 60 statute miles. Required: Kilometers.
Solution:
Set 60 on mobile scale opposite «Stat». Opposite the «KM» mark (= the
red mark, just to the right of «MPH» on the fixed scale), read 96.5 kilometers on
mobile scale.
EXCHANGE RATES
11
To convert amounts expressed in Euros into U.S. Dollars at the rate of 1e = US$
1.20, simply place the figure 12 (= 1.20) on the outside mobile scale opposite the
“10” marking on the inside scale.
Amounts express in Euros can now be read on the inside scale and their
equivalents in U.S. Dollars on the outside scale: 40e = US$ 48.
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