Prepare - 94
JT100/JT100 All Terrain Operator’s Manual
Plan Bore Path
Bore Path Calculator - Power Pipe
®
HD
Entry pitch, setback, and minimum depth work together with bend limits to determine the bore path. To find
the setback (B) and entry pitch (A) that will take you to the desired minimum depth (D), use the chart
below.
Minimum depth (D)
Entry pitch (A)
Setback (B)
Depth to begin steering (S)
6 ft 10 in (2.08 m)
11.3° / -20%
54 ft 6 in (16.61 m)
2 ft 10 in (0.86 m)
7 ft 11 in (2.41 m)
12.4° / -22%
58 ft 3 in (17.75 m)
3 ft 2 in (0.97 m)
9 ft 1 in (2.77 m)
13.5° / -24%
62 ft 0 in (18.90 m)
3 ft 5 in (1.04 m)
10 ft 3 in (3.12 m)
14.6° / -26%
65 ft 8 in (20.02 m)
3 ft 8 in (1.12 m)
11 ft 6 in (3.51 m)
15.6° / -28%
69 ft 4 in (21.13 m)
3 ft 11 in (1.19 m)
12 ft 10 in (3.91 m)
16.7° / -30%
72 ft 10 in (22.20 m)
4 ft 2 in (1.27 m)
14 ft 2 in (4.32 m)
17.7° / -32%
76 ft 4 in (23.27 m)
4 ft 5 in (1.35 m)
IMPORTANT:
Numbers in table based on
205’ (62.5 m) minimum bend radius
, and beacon housing,
EZ-Connect, transition sub, and half of first drill pipe (L, totaling 14’ 7” [4.45 m]) in the ground before
steering.
Summary of Contents for JT100
Page 1: ...JT100 JT100 All Terrain Tier 4 Issue 2 1 Original Instruction Operator s Manual 053 2814...
Page 105: ...Prepare 104 JT100 JT100 All Terrain Operator s Manual...
Page 247: ...Service 246 JT100 JT100 All Terrain Operator s Manual As Needed...
Page 255: ...Service Record 254 JT100 JT100 All Terrain Operator s Manual Service Performed Date Hours...
Page 258: ......
Page 259: ......
