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A Jones has written a cool article about electric cars.

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The author is a physicist and engineer with additional degree equivalent qualifications in accountancy, economics and management. He worked for the UK government (HMG) and in 1974 was transferred to a newly formed division considering how to mitigate the effects of the oil price shock which included examining all possible alternative sources of energy as to cost and effectiveness. In 1976 he became increasingly involved in the electric car team and was formally seconded to it in 1977 when it became the Electric Car Group, (ECG) which had a brief from HMG to develop and report on the technology of a practical small electric city car and provide technical support to British manufacturers. He retired some years ago. The views expressed below are entirely his own as are any errors.

Today, once again, there is much excitement about electric vehicles which were popular in the early days of the horseless carriage and still found niche applications in the UK in the 1970’s: such as the electric milk float. After the oil crisis of 1973/4 it was thought that a practical electric city runabout for UK use could be developed which would reduce dependency on imported oil since almost all electricity was generated by home mined coal or nuclear: and a new generation of nuclear stations, the AGRs, were coming on line.

It is important to appreciate that overall efficiency was not a priority, the aim was to utilise a then abundant resource, off peak electricity, with the bonus of reducing inner city pollution from car fumes. Studies showed the overall efficiency of an electric vehicle, whilst not good, was within limits, rather better than the internal combustion engine. This has an optimal efficiency of about 25% for a petrol [gasoline] Spark Ignition [SI] engine and 35% for a medium speed diesel, Compression Ignition [CI] one. In practice however because of the range of speed over which the engine must work, and depending on driving conditions, the overall efficiency is much less.

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Ford Fiesta (UK Question) 1998 reg (S) Brakes problem?

Hello,

I bought my first car 2 weeks ago and have only been able to drive it a handful of times. The first day i got it, it wouldn't accelerate (Felt as if i was in the wrong gear - which i wasn't) and wouldn't shift. however, when i got it home the brakes were smoking.
I spoke to a friend who is a mechanic, and he thought it would be the brake pads/disc's as when we bought it, the guy said it had been sat on his drive doing nothing for 2-3 months. so he replaced these for me. The car was fine again however, after trying to accelerate (say if i come off a roundabout and try to go from 2nd - 3rd gear) the brakes felt locked. He then replaced the calipers because it was clearly smoking after running for a while.
I am still having the same problems, even though these parts have been replaced - and its really getting me down. I bought a haynes manual, it says something about the master cylinder, do you think this could be the cause of these problems? Has anyone else experienced anything similiar? I know its an oldish car but i didnt expect this much hassle from my first car and it feels like i am throwing money at a lost cause! My fella and I nipped to the supermarket in it, and ended up having to pull up for an hour and a half, because the brakes were that tight, it couldn't move. Even if we had the handbrake off , it wouldnt budge - Does anyone have any ideas - I am taking it to the garage but wanted to know what to expect!
Thank you xx


master cylinder no not if matser bad you have not brakes or you have to keep pumpingh to stop ..if you replace the brake caliber should have fix it so is it same wheel or wheels then theres a blockage or a inline control block stopped up its where all your brake lines run into that controls flow to each wheel so done get more brake pressure than the other really sounds like you need a better shop

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