Printed in Hong Kong
[ P r o b l e m ]
G r o u n d s p e e d
:
2 0 0 M P H
D i s t a n c e t o f l y :
?
Time to fly
:
30 minutes
[ S o l u t i o n ]
1 )
A d j u s t 2 0 o n t h e r o t a r y b e z e l t o t h e
time index
★
on the fixed scale.
2 )
The value on the rotary bezel that cor-
responds to 30 on the fixed scale is 10.
3 )
For the purpose of determining the number
o f d i g i t s , t h e s a m e r u l e a s w i t h t h e
d i v i s i o n a p p l i e s . T h u s , t h e a n s w e r i s
1 0 0 .
[ A n s w e r ]
1 0 0 m i l e s
[ C a l c u l a t i o n o f c l i m b i n g a l t i t u d e ,
c l i m b i n g r a t e , a n d c l i m b i n g t i m e ]
A
Calculation of climbing altitude
C
D i s t a n c e c a l c u l a t i o n
★
mark at the 12 o’clock position
[ P r o b l e m ]
C l i m b i n g r a t e
:
4 3 0 F T / m i n u t e
C l i m b i n g t i m e
:
1 8 . 6 m i n u t e s
A l t i t u d e t o r e a c h :
?
[ S o l u t i o n ]
1 )
A d j u s t 4 3 o n t h e r o t a r y b e z e l t o 1 0 o n
t h e f i x e d s c a l e .
2 )
Find the value on the rotary bezel cor-
responding to 18.6 on the fixed scale.
The reading is 80.
3 )
For the purpose of determining the number
o f d i g i t s , t h e s a m e r u l e a s w i t h t h e
d i v i s i o n a p p l i e s . T h u s , t h e a n s w e r i s
8 0 0 0 .
[ A n s w e r ]
8 0 0 0 F T
B
Calculation of climbing rate
[ P r o b l e m ]
C l i m b i n g r a t e
:
?
C l i m b i n g t i m e
:
1 8 . 6 m i n u t e s
A l t i t u d e t o r e a c h :
8 0 0 0 F T
[ S o l u t i o n ]
1 )
Adjust 80 on the rotary bezel to 18.6 on
t h e f i x e d s c a l e .
2 )
Find the value on the rotary bezel cor-
responding to 10 on the fixed scale.
The reading is 43.
3 )
For the purpose of determining the number
o f d i g i t s , t h e s a m e r u l e a s w i t h t h e
d i v i s i o n a p p l i e s . T h u s , t h e a n s w e r i s
4 3 0 .
[ A n s w e r ]
4 3 0 F T / m i n u t e
Distance unit can be converted among nauti-
c a l m i l e s , s t a t u t e m i l e s a n d k i l o m e t e r s .
■
U N I T C O N V E R S I O N
[ c o n v e r s i o n a m o n g n a u t i c a l m i l e s ,
s t a t u t e m i l e s a n d k i l o m e t e r s ]
A
N a u t i c a l m i l e s
→
S t a t u t e m i l e s
N a u t i c a l m i l e s
→
K i l o m e t e r s
C
Calculation of climbing time
[ P r o b l e m ]
C l i m b i n g r a t e
:
4 3 0 F T / m i n u t e
C l i m b i n g t i m e
:
?
A l t i t u d e t o r e a c h :
8 0 0 0 F T
[ S o l u t i o n ]
1)
Adjust 43 on the rotary bezel to 10 on
t h e f i x e d s c a l e .
2 )
Find the value on the fixed scale corre-
sponding to 80 on the rotary bezel.
T h e r e a d i n g i s 1 8 . 6 .
[ A n s w e r ]
1 8 . 6 m i n u t e s
[ P r o b l e m ]
3 5 n a u t i c a l m i l e s
→
? s t a t u t e m i l e s
→
? k i l o m e t e r s
[ S o l u t i o n ]
1 )
B r i n g t h e N A U T i n d e x o n t h e r o t a r y
bezel in line with 35 on the fixed scale.
2 )
Find the value on the fixed scale corre-
sponding to the STAT index of the rotary
bezel. The reading is 40.3.
3 )
Find the value on the fixed scale corre-
sponding to the KM index of the rotary
bezel. The reading is 64.8.
[ A n s w e r ]
4 0 . 3 s t a t u t e m i l e s
6 4 . 8 k i l o m e t e r s
B
S t a t u t e m i l e s
→
N a u t i c a l m i l e s
S t a t u t e m i l e s
→
K i l o m e t e r s
[ P r o b l e m ]
4 0 . 3 s t a t u t e m i l e s
→
? n a u t i c a l m i l e s
→
? k i l o m e t e r s
[ S o l u t i o n ]
1 )
B r i n g t h e S T A T i n d e x o n t h e r o t a r y
bezel to 40.3 on the fixed scale.
2 )
Find the value on the fixed scale corre-
sponding to the NAUT index of the rotary
bezel. The reading is 35.
3 )
Find the value on the fixed scale corre-
sponding to the KM index of the rotary
bezel. The reading is 64.8.
[ A n s w e r ]
3 5 n a u t i c a l m i l e s
6 4 . 8 k i l o m e t e r s
C
K i l o m e t e r s
→
S t a t u t e m i l e s
K i l o m e t e r s
→
N a u t i c a l m i l e s
[ P r o b l e m ]
6 4 . 8 k i l o m e t e r s
→
? s t a t u t e m i l e s
→
? n a u t i c a l m i l e s
[ S o l u t i o n ]
1 )
Adjust the KM index on the rotary bezel
to 64.8 on the fixed scale.
2 )
Find the value on the fixed scale corre-
sponding to the STAT index of the rotary
bezel. The reading is 40.3.
3 )
Find the value on the fixed scale corre-
sponding to the NAUT index of the ro-
tary bezel. The reading is 35.
[ A n s w e r ]
4 0 . 3 s t a t u t e m i l e s
3 5 n a u t i c a l m i l e s
A
-
2 )
B
-
1 )
C
-
2 )
A
-
1 )
B
-
2 )
C
-
1 )
A
-
1 )
B
-
2 )
C
-
1 )
A
-
2 )
B
-
1 )
C
-
2 )
A
-
1 )
B
-
2 )
C
-
3 )
A
-
2 )
B
-
1 )
C
-
2 )
A
-
3 )
B
-
3 )
C
-
1 )
M a r k i n g s o n t h e r o t a r y s l i d e r u l e
S T A T
C l a s s i f i -
c a t i o n
M a r k i n g
E x p l a n a t i o n
D i s t a n c e
A b b r e v i a t i o n o f
n a u t i c a l m i l e
1 NAUT = 1.852 km
N A U T
A b b r e v i a t i o n o f
s t a t u t e m i l e
1 STAT = 1.609 km
K M
A b b r e v i a t i o n o f
k i l o m e t e r
1 KM = 3,280 feet
F T
A b b r e v i a t i o n o f f e e t
M P H
S p e e d
A b b r e v i a t i o n o f m i l e s
p e r h o u r
1 MPH = 1.609 km/h
* 1 knot = 1 NAUT/h = 1.852 km/h