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The petrol power plant in the REx is the same 647cc two-cylinder engine used in the BMW C650 GT maxi-scooter where it produces 44 kW (60 bhp) at a dizzy 7,500 rpm but would be too powerful and unbearably noisy in that guise. I expect BMW have de-tuned it for maximum possible "efficiency" (a...

Cheeky Fool

psquare, if that's not an advert for petrol driven lawnmowers then i don't know what is. Try watching it more intently (in the nicest possible way). I know which one i'd prefer to use if i was a professional gardener. Using my 700 Watt, corded electric hedge trimmer, i can complete my...

I've learned a lot lately, so hear this anyone who's interested. If the predictions of future power (electricity) cuts here come true, according to whats shown below, it is technically possible to stay mobile using petrol alone in the REx. i.e. No additional electricity, so no plug-in...

I think you may be missing something quite unique to the UK and your figures confuse me (not difficult). I'm led to believe the UK’s existing nuclear power stations will close over the next decade "all but one expected to stop operating by 2025" and the first new plant not expected to come...

jadnashuan, i really only wondered if using the REx as a generator (software permitting) would be more "efficient" than charging using electricity from our National Grid. Who can say for certain? I suppose the answer would depend on which way can be made most profitable. As an alternative to...

Anyway, now my head is back out the sand, to return to the original question which remains unanswered. Until science achieves what now seems impossible, my best bet and the most ecologically friendly, is to collect water in many large bags from the stream passing under the road near the hilltop...

psquare , my figure of up to 70% cheekily guesstimated an additional amount to take into account the horrific electrical losses incurred in its distribution. If you check the site you mentioned around 6pm on a cold calm day, you may be surprised. Most renewables cannot be relied upon regardless...

The home charging problem COULD be circumvented in the future. In the meantime there must be, or soon will be, a software tweak available to allow the battery pack to be fully charged using the petrol engine alone while stationary (don't mind keep topping it up with petrol or storing a spare can...

Oh dear........ Thanks for the replies guys. Currently, plugging in at home would require the cable to cross a public pavement which wouldn't be allowed. The nearest "fast" charge station would be the BMW dealership (9 very slow/ heavily congested miles away). I do live opposite a petrol...

BMW i3 question Hi all, new UK member here but have perused the site often as a guest. My daily travel (5 days) consists of a relatively flat 5 miles averaging about 40mph* then a steep climb up over the Campsie fells which is a rise of approx 500m in 2.5 miles to the top and the same down the...