Helitech load sensor is completely autonomous
A
Sensor Technology product story
Edited by the Engineeringtalk editorial team
Aug 14, 2009
A helicopter load sensor to be launched at Helitech combines GPS (global positioning system) track guidance with load sensing and a range of other functions.
The Helinav-Loadmaster sensor is completely autonomous with its own on-board display and computer.
It can automatically aid complex operations such as spraying and multiple random-load billing and can be swapped from one craft to another in seconds, allowing it to be shared around a fleet of aircraft.
Multiple load sensors can be used simultaneously using the same display.
The company said 'currently it is difficult to know the exact weight of each load and the total distance flown during the day.
'Helinav-Loadmaster keeps exact records, accurate to the kilogram and metre, so you just download the data and invoice the customer.' With multiple flights needed, Helinav Loadmaster can ensure that the second drop starts exactly where the first finished, guaranteeing even coverage and efficient use of sprays etc.
The sensor compensates for slowing flow as the bucket empties by gradually opening the release valve in proportion to the weight of remaining spray.
The GPS can be used, in conjunction with the standard Shape files, to avoid houses, streams, lakes roads, etc.
The sensor is available in ranges from 1.5 to 10 tonnes and communicates its information to the helicopter pilot via a radio link working on an unlicensed international frequency.
A full-colour touch screen is mounted in the cockpit and both Windows and Labview software embedded in the unit, operation is simple and familiar to pilots.
A remote monitor can be used by ground crew to check and double check loads.
Because the unit is slung under the aircraft, it is possible to have a single one for use with a fleet of three, four or more operational helicopters.
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