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Popular Seiko Rotary Slide Rule Manual Pages
Manual - Page 1
ROTARY SLIDE RULE MANUAL
INSTRUCTIONS INSTRUCTIONS INSTRUCCIONES BEDIENUNGSANLEITUNG ISTRUZIONI INSTRUOES
5Vg1311
(P. 3) (P. 32) (P. 62) (S. 91) (P. 120) (P. 150) (180
Manual - Page 3
COMPUTATION FOR NAVIGATION 4. METHOD OF CONVERSION DESCRIPTION OF MARKINGS ON THE ROTARY SLIDE RULE
Page
4 5 7 8 12 21 22
3 SCALES EXTERNAL VIEW OF ROTARY SLIDE RULE HINT FOR CALCULATION OF THE NUMBER OF DIGITS 2. ORDINARY COMPUTATION 3. CONTENTS
1.
Manual - Page 4
... an interval of C-d) various essential flight data required by pilots. ROTARY SLIDE RULE MANUAL
_C
This watch is fitted with a rotary type slide rule for rapid calculations and conversion of 3 deg. The outer circumference of the dial ruler is marked with the same logarithmic scale (10 - 100) as the bezel ruler, and the inner circumference is provided with a logarithmic...
Manual - Page 5
EXTERNAL VIEW OF ROTARY SLIDE RULE
[Type II Bezel ruler (rotating)
Time index (reference point for tim • conversion)
Dial ruler (fixed)
0.ktkoz
7' 7
Conversion scale
0
Logarithmic scale on bezel ruler
5 Utility bearing compass scale Logarithmic scale on dial ruler
Time scale
rn 7 CTO EA.
Manual - Page 8
Multiplication
[Problem] 30 x 40 = ?
[Solution]
(1) Bring 30 on the bezel ruler and 10 on the dial ruler in "Hint for calculation of the number of -three calculation 7:7.0
A.
The number is 12 (= 1.2 x 10').
(3) Calculate the number of digits following the formula in line.
(2) Read the number on the bezel ruler scale corresponding to 40 on...
Manual - Page 10
Rule-of digits".
[Answer]
120
-o
A - (2) B - (1)C - (2)
to_
A-(1) B - (2) C-(1)
10 The number is 12 (= 1.2 x 10').
(3) Calculate the number of digits following the formula in "Hint for calculation of the number of -three calculation ._.c [Problem] 30/10 = ?/40
LcJ..i [Solution] (1) Bring 30 on the bezel ruler and10 on the dial ruler in line.
(2) Read the number on the...
Manual - Page 12
Calculation of digits, the same rule as for division (2-1(B)) applies. 3. Time calculation
[Problem]
Ground speed : Distance to fly : Time to fly
200 MPH 100 miles
[Solution]
(1) Bring 20 on the bezel ruler and the time index (60 MPH) on the dial ruler in line.
(2) Read the dial ruler scale at a position corresponding to 10...
Manual - Page 13
Thus, the answer is 20.
(3) For the purpose of determining the correct number of digits, the same rule as
Ground speed : ?
Distance calculation
[Problem]
Ground speed :
Distance to fly :
Time to the time index (60 MPH) on the bezel ruler scale corresponding to fly
:
200 MPH ? 30 minutes
13 Distance to fly : 100 miles...
Manual - Page 18
....
(3) For the purpose of determining the correct number of digits, the same rule as for division (2-1(B)) applies. Calculation of climbing altitude
[Problem]
Climbing rate : Climbing time : Altitude to reach :
430 FT/minute 18.6 minutes ?
[Solution]
(1) Bring 43 on the bezel ruler and 10 on the dial ruler in line.
(2) Find the value on...
Manual - Page 19
... value on the bezel ruler scale corresponding to reach :
430 FT/minute ? 8000 FT
19 Thus, the answer is 43.
(3) For the purpose of determining the correct number of digits, the same rule as for division (2-1(B)) applies. The number is 430.
[Answer] 430 FT/minute
C. Calculation of climbing rate
m
[Problem]
on the dial...
Manual - Page 21
4. The following are typical examples of units to another is important. 7,• SEIKO Rotary Slide Rule is equipped with convenient conversion scales to -weight conversion (D) -1 : Fuel pounds (FUEL LBS) US gallons (US GAL) Imperial gallons (IMP GAL) (D) -2 : Oil pounds (OIL LBS) ...
Manual - Page 22
DESCRIPTION OF MARKINGS ON THE ROTARY SLIDE RULE
_c
cc
Classification
Marking
Explanation
LLI
Distance
NAUT
Abbreviation of nautical mile 1 NAUT = 1.852 km
STAT
Abbreviation of statute mile 1 STAT. 1.609 km
KM
Abbreviation ...
Manual - Page 27
...rule for the division (2-1-(B)), the dial ruler scale value, 15.9, is interpreted as 159.
[Answer] 42 US gallons 159 liters
27 US gallons
-> ? Liters
[Solution]
(1) Bring the IMP GAL index of the bezel... ruler and 35 on the dial ruler in line.
(2) Find the value on the dial ruler scale corresponding to the LITERS index of the bezel...the bezel ruler scale. (4) According to the rule for...
Manual - Page 29
The reading is 21.8. (3) According to the rule for the division (2-1-(B)), the dial ruler scale value, 18.2, is
interpreted as 2.18. (4) Find the value on the dial ruler scale corresponding to the IMP GAL index of the
bezel ruler scale. Fuel pounds -4 US gallons/Imperial gallons
[Problem] 13.1 fuel pounds --> ? Imperial gallons [Solution] (1) Bring...
Manual - Page 30
...(3) According to the rule for the division (2-1-(B)), the dial ruler scale value, 18.2, is 18.2.
(5) According to the IMP GAL index of the bezel ruler scale. The ...reading is interpreted as 2.18.
(4) Find the value on the dial ruler scale corresponding to the US GAL index of the bezel ruler scale. US gallons ? Oil pounds -, US gallons/Imperial gallons
[Problem...
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