PROCEDURE OF DAC DRAW
450 Angle Probe (19mm Block)
Sound Path
Depth
Hole
1
T/4
4.75
6.69
4.75
2
T/2
9.5
13.39
9.5
3
T3/4
14.25
20.09
14.25
4
T+T/4
23.75
33.48
23.75
5
T+T/2
28.5
40.18
28.5
6
T+T3/4
33.25
46.88
33.25
Required
Actual
Required
Formula
Skip Distance
Sl.
No.
Actual
Required Actual
Value
S. Path
Skip Di.
Sec45
Tan45
D x Sec 45
D x tan 45
1.41
1.0
600 Angle Probe (19mm Block)
Depth
Sound Path
Skip Distance
Required Actual
Required Actual
Sl.
No.
Hole
1
T/4
4.75
9.5
8.21
2
T/2
9.5
19.0
16.43
3
T3/4
14.25
28.5
24.65
4
T+T/4
23.75
47.5
41.08
5
T+T/2
28.5
57.0
49.30
6
T+T3/4
33.25
66.5
57.52
Sound Path
Skip Distance
Required Actual
Required Actual
Actual
Required
Formula
Value
S. Path
Skip Di.
Sec60 Tan60
D x Sec 60
D x tan 60
2.0
1.73
700 Angle Probe (19mm Block)
Depth
Sl.
No.
Hole
1
T/4
4.75
13.87
13.06
2
T/2
9.5
26.86
26.12
3
T3/4
14.25
41.61
39.18
4
T+T/4
23.75
69.35
65.31
5
T+T/2
28.5
83.22
78.73
6
T+T3/4
33.25
97.09
91.43
Required
Actual
1
3
4
5
6
Formula
Value
S. Path
Skip Di.
Sec70 Tan70
D x Sec 70
D x tan 70
2.92
2
2.75
DAC PROJECTION CHART
450 Angle Probe (38mm Block)
Sound Path
Depth
Sl.
No.
Hole
1
T/4
9.5
13.39
2
T/2
19
26.79
3
T3/4
28.5
40.18
4
T+T/4
47.5
5
T+T/2
57
6
T+T3/4
66.5
Required
Actual
Required
Formula
Skip Distance
Actual
Required Actual
Value
S. Path
Skip Di.
Sec45
Tan45
D x Sec 45
D x tan 45
1.41
1.0
600 Angle Probe (38 mm Block)
Sl.
No.
Hole
1
T/4
2
T/2
3
T3/4
4
T+T/4
5
T+T/2
6
T+T3/4
Depth
Required
Actual
1
Sound Path
Skip Distance
Required Actual
Required Actual
3
4
5
6
Formula
Value
S. Path
Skip Di.
Sec60 Tan60
D x Sec 60
D x tan 60
2.0
2
1.73
0