EXB-Masts
EXB-masts are designed for highly mobile operations (such as battlefield communications and electronic warfare) where minimal time and man-power for deployment is available. These masts are push-button, vehicle- mounted masts designed for rapid extension and operation without guy ropes. They are designed to extend to heights up to 12 m (payload height at 13 m above ground when vehicle-mounted) with maximum payloads of up to 110 kg. Depending on mast top maximum deflection requirements, EXB-masts utilize composite tube sections varying from pure glass fibre to pure carbon fibre.
EXB-masts are extended and retracted utilizing hoisting belts driven by a winch. This is an effective, well-proven technique which is more reliable under severe operating conditions (especially sand and dust). EXB-Masts have a double-belt system – one belt is used for mast extension, the second belt is used to provide positive retraction to assure proper operation under adverse conditions of wind and slope. EXB-masts are equipped with an automatic latch mechanism for controlling the order in which tube sections extend.
The winch is operated by an electric Winch Power Unit (WPU) with remote control, with WPU versions available for either AC or DC power supplies. A manual hand crank is provided as a back-up for power failure.
EXB-masts can be painted in customer specific colours.
Typical EXB-Masts
| MAST TYPE | EXB269/
6-1.2 | EXB269/
10-1.8 | EXB333/
10-1.7 | EXB333/
12-1.75 |
| Extended height (m) | 6 | 10 | 10 | 12 |
| Transportation length (m) | 1.2 | 1.8 | 1.7 | 1.75 |
| Max vertical top load (kg) | 55 | 45 | 110 | 50 |
| Max wind area c x A (m²) | 0.2 | 0.2 | 0.6 | 0.3 |
| Max wind speed (m/s) | 25 | 25 | 36 | 30 |
| Qty, sections | 7 | 7 | 8 | 9 |
| Mast weight (kg) | 111 | 120 | 127 | 150 |
Above listed masts are examples. Other lengths with different top load specifications are available at request.