It happens that roger_millin formulated : > Colin wrote: >> >> Both my Marl 1 Zafira had and my Mark 2 Zafira has a fly by wire >> accelerator. > > Yes, they are very common these days but there have to be very stringent > hardware and software conditions placed upon the system to ensure there isn't > a runaway. From memory, the potentiometer on the throttle pedal tends to have > two tracks and the sytem constantly compares one track against the other to > ensure that if one track is lying the other acts as a check and prevents a > potential disaster........and that is only one piece of the hardware. Then > you have the software and cabling that stand between that and the motor that > drives the throttle plate. The whole engine management systems on cars is > very complex these days and, hence, the opportunity for errors and strange > results. Luckily the systems don't crash as often as PCs seem to do ;-))) > Roger The old cable is not fool proof. I use to have an Opal Manta with a twin choke carb, really hammer it and the cam on the second choke would go over the stop and stay wide open, made slowing down difficult.
-- Brian traveling on Harnser http://nbharnser.blogspot.com/ ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/canals-list/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/canals-list/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
