摘要 |
A terrain disruption device is provided comprising an air or gas flow generation device (3) 5 mounted on a remote operated vehicle (1) having an extendable arm (2), wherein the air or gas flow generation device (3) comprises an elongate (optionally detachable) ducting arrangement (4) to direct the air or gas flow and an optional nozzle (5). The air or gas flow generation device (3) and/or the elongate ducting arrangement (4) may be mounted on the extendable arm (2). Preferably, the air or gas flow generation device (3) is a powered 10 fan, more preferably an electric ducted fan. WO 2011/148134 PCT/GB2011/000798 Fig. 1 Fig. 2 |