Sanding STS-750RC Series, Руководство пользователя

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148
–1.7(1 / tan 111°55′47″) +31.891
=148.06015 + 1.8326 + 0.6844 +31.891
=182.468
D D
2 1

7) Calculation of the coordinate KA1

1 1 1 1
cos
  
D N N
IP KA

1 1 1 1
sin
  
D E E
IP KA
Bearing from BP to IP1
 

1
74°03
′16.6″

N
KA 1
1300
–182.468 * cos 74°03′16.6″=1249.872 m

E
KA 1
1750
–182.468 * sin 74°03′16.6″=1574.553 m
8) Calculation of Arc Length
) (
2 1
 
  
LA R L
= R (111°55
′47″-2 * 18°20′06″)
=100(75°15′35″
180


)
=131.353 m
9) Calculation of the coordinate KA2

2 2 1 2
cos
  
D
N N
IP KA

2
2 1 2
sin
  
D E E
IP KA
Bearing from IP1 to IP2



2
322°07
′30.1″

N
KA 2
1300
–(-182.468) * cos 322°07′30.1″= 1444.032 m

E
KA 2
1750
–(-182.468) * sin 322°07′30.1″= 1637.976 m
10) Calculation of coordinates BC
，
EC which is ARC (IP1,IP2,EP)
Arc length
IA R CL
 
IA= 95°52
′11″
CL
=200 * 95°52′11″*
180


=334.648 m
  
)
2
tan(
IA
R TL 200 *
tan(95°52′11″/ 2) =221.615 m
Each coordinates are computed
：

2 2
cos
  
TL
N N
IP BC

2 2
sin
  
TL
E E
IP BC