>Similar systems have been built into some commercial vehicles security >systems. Don't know exactly how they are implemented but have seen some >operating. They worked with proximity switching. A box on the operators >belt must be within a certain distance of the vehicle. Too far away and >vehicle/equipment shuts down. There was remote start and shutdown on the >box as well as an ignition style switch. >Personally I think a remote like this transmitting to a solenoid valve on >the input side of the fuel pump would be a nice touch. Within range and >engine gets fuel, step off too far and the fuel pump gets no fuel. Or >possibly same idea but to a control relay supplying power to the fuel pump. It'd have to actually turn the fuelpump off; if it's running but starved of fuel, that will damage it rapidly, as fuel is the pump's only lubricant and coolant. -- Andrew Grebneff Dunedin New Zealand Fossil preparator <andrew.grebneff@stonebow.otago.ac.nz> Seashell, Macintosh, VW/Toyota van nut HUMANITY: THE ULTIMATE VON NEUMANN MACHINE DEMOCRACY: RULE BY THE LOWEST COMMON DENOMINATOR |
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