The MINI-JET MJ 1600 was designed for congested urban areas with limited space. With its 60kN(6 tons) of pullback and thrust force and 1’600 Nm of torque you can drill up to 50 m and backream up to 300mm. The driving saddle is driven by a patented double cylinder drive with no loss of power. The special drill rods 0.5m are milled out of one piece of steel. A bending radius of 15m can be achieved. The MINI-JET can be adapted with rock drilling tools for hard ground conditions.
[restabs alignment=”osc-tabs-left” responsive=”false” tabcolor=”#fdfdfd”]
[restab title=”Mixing and pumping station” active=”active”]
- with separate 1’100 ltr-tank (290 gal) for Bentonite or Ejactomer
- with support plate for 2 bags of Bentonite each 25 kg (50 lbs)
- the Bentonite can be easily filled into the funnel mixing pump with 800 ltr/min (210 gpm)
- injector (venturi jet)
- 1’100 ltr (290 gal) of drilling fluid are mixed with Bentonite within 4 minutes high pressure drilling fluid pump of FMC
- maximum drilling fluid volume: 38 ltr/min (10 gpm)
- maximum drilling fluid pressure: 55 bar (800 psi)
[/restab]
[restab title=”Surface Launch equipment”]
- For surface launch
- Entry angle adjustable between 0°- 45°
- With two anchoring plates
- The anchoring plates are adjustable in every longitudinal position
- For TERRA MINI-JET MJ 1400 and MJ 1600
- Weight: 132 kg (290 lbs)
- Dimensions: L=1.25 m, W=1.18 m (L=50″, W=46.5″)
[/restab]
[restab title=”Excavator Frame “]
- optional for all TERRA MINI-JET MJ 1400 and MJ 1600
- can be connected to the arm of an excavator or an mini excavator
- allows very fast installation of the HDD machine in the pit
- the MINI-JET may be driven by the hydraulics of the excavator
- the excavator frame is slid onto the TERRA MINI-JET and connected easily
- rotates 360° by a hydraulic motor
- dimensions: L x W x H = 1.20 m x 0.71 m x 1.75 m (3.96 x 2.13 x 5.78 ft)
- weight: 240 kg (530 lbs)
[/restab]
[restab title=”Power pack”]
[/restab]
[restab title=”Technical Data”]
| Technical Data | |||
|---|---|---|---|
| * Depending on ground conditions ** Depending on drill rod size Technical specifications can be changed without previous notice. |
|||
| pullback force |
6 to (60 kN)
|
13’200 lbs (6.6 US tons)
|
|
| thrust force |
6 to (60 kN)
|
13’200 lbs (6.6 US tons)
|
|
| driving power |
24 kW (33 PS)
|
24 kW (33 HP)
|
|
| torque, 1st speed |
1600 Nm
|
1200 ft.lbs
|
|
| torque, 2nd speed |
–
|
–
|
|
| drill rod rotation speed, 1st speed |
110 U/min
|
110 r.p.m
|
|
| drill rod rotation speed, 2nd speed |
–
|
–
|
|
| drilling fluid volume |
38 l/min
|
10 gpm
|
|
| maximum drilling fluid pressure |
55 bar
|
800 psi
|
|
| noise emission in 7 m distance |
–
|
–
|
|
| noise emission at operators ear |
–
|
–
|
|
| pilot bore diameter |
Ø 60 – 100 mm
|
Ø 2.4″ – 4″
|
|
| maximum backream diameter* |
Ø 300 mm
|
Ø 12″
|
|
| maximum drilling length * |
50 m
|
165 ft
|
|
| drill rods, length |
0.5 m
|
1.65 ft
|
|
| drill rods, diameter |
Ø 30/40 mm
|
Ø 1.2″ / 1.6″
|
|
| minimum turning radius** |
15 m
|
50 ft
|
|
| Dimensions pit cradle LxWxH |
1.11 x 0.60 x 1.15 m
|
3.66 x 2.0 x 3.8 ft
|
|
| weight of the pit cradle |
ca. 280 kg
|
620 lbs
|
|
.[/restab][/restabs]