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Benefits Of Double Declutching 149

Of course it did. If they were anything like the vehicles I drove, they had comparitively slow revving engines, especially diesels, coupled to heavy crash boxes. It helps if you read and understand a post before replying to it. If you had you would have realised by now that my argument is about making a fast d-change, when climbing a hill in a modern car.

Try dipping the clutch, without taking your foot off the accelerator, or just easing it slightly, as the car slows on a hill in say 5th gear. The engine revs rise very quickly. But, if you're fast enough, it is possible by double declutching, to engage 4th as the engine reaches the appropriate revs for that gear.

Benefits Of Double Declutching 150
off revs. Careful Conor, your ignorance is showing. For a start a synchromesh unit is not a gear, and gearbox oil like any other oil only reduces...
Steering wheel not straight after tracking "dead on" 152
the is or The reason is really very simple, and is one I'd have expected anyone reasonably knowledgeable...

I used to use the same uphill d-changing technique when driving a 50's 6x4 Scammell, with 2 Daimler armoured cars on tow. When the speed dropped to maybe 5 or 6 mph, any change down had to be made quickly otherwise you'd come to a complete standstill. Leaving ones foot on the accelerator whilst DD, enabled a fast change to be made. Relatively slow compared to doing the same thing in a car, but in the Scammell there was no way of making a quicker d-change without crashing the gears.

And before you say I should have changed down sooner. By 5 or 6 mph, I'd already have changed down from 6th to 2nd or 3rd. Scammells were not exactly powerful by todays standards. Mike.




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