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    Test case forced over vehicle regulations

    Here's an interesting story BBC News - 'Superlorry' grounded by police The story seems to be that the company studied the legislation and believed their new lorry complied. So they announced what they were doing and drove it out of the factory gates. It seems a very messy way to establish...
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    What to do with expired batteries?

    HazardEx - Battery disposal laws Send them back to the suppliers, apparently. Are you ready for this, dealers? Nick
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    Tour of Britain does Exmoor

    The Tour of Britain went over Exmoor today. Highlights on ITV4 at 10:30 tonight See where the heroic members of pedelecs went last week
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    Pedal Assist Electric Cycle

    I have twice in the last week cocked up the charging and ended up pedalling my Torq like an ordinary bike - and on the same 9 mile journey. The first time I thought I had a full battery because the green light on the charger came on to indicate it wasn't taking any more charge. It turned out...
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    eZee Battery Weight?

    I seem to remember someone, possibly Flecc, saying the latest eZee Lithium batteries are lighter than the previous ones. Is this so, and is it a general trend in Lithium batteries or just a one off peculiarity? For the record, I have two eZee lithium batteries and they weigh 4.6 kg and 4.5...
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    Copenhagen buddy for hire

    Hi Everyone, I'm in Copenhagen this week, and the hotel I'm staying in has a special offer whereby you can hire a buddy. They have had bicycles for hire for a long time, but they've just added this electric car... All I could find out is that its called a Buddy and costs more than a petrol...
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    Ideal Diodes for battery combining

    For Sale - Ideal Diodes For combining multiple batteries. These will handle 12 A continuous current as they stand. If the tab is connected to some heatsinking then continuous currents up to 40 A are possible. I have some of these available at £15 (+VAT) each. Either pm me or send an email...
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    24-7 National Slackers Day

    This country needs a new national holiday, and as a protest against management speak, I propose "Twenty-Four-Seven" as National Slackers Day. Everyone should relax, take it easy and not answer the phone. According to a recent thread this isn't new in the e-bike world, but we'll let that pass...
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    The 100 Mile Challenge

    The Ching Challenge 2009 Many of you here will remember the Tour of Britain ride that a group of us did last September. I am pleased to announce the details of the 2009 event. The challenge is to cover 100 miles on an electric bike. The event will be on Exmoor in the South West on...
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    Speed, Power and Lycra

    Mark Cavendish won the Tour de France stage yesterday with a time of 4.5 hours (give or take 3 seconds). The stage was 187 km. That works out as an average speed of 26 mph. Many of our bikes struggle to achieve that as peak speed. So, according my basic model of bicycle physics, either Mark is...
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    Fitting bike rack to motorhome

    I recently put a bike rack on my motorhome. While this is not exactly pushing the frontiers of science, I thought I'd write it up and post some pictures, because there seems to be very little on the web about this. I did a little research before starting and could not find any hard information...
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    Ideal Diodes

    Several times on here we have discussed the need to use diodes when combining battery packs in parallel. There are circumstances when this is not necessary, for instance if the packs are always connected and charged and discharged together, or if there is already the right circuitry built into...
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    Tour of Britain Exmoor Ride 2009

    The Ching Challenge Reloaded Last September a number of us from the forum attempted to ride Stage 3 of the Tour of Britain on our electric bikes. Stage 3 was nearly 120 miles and included a climb to the top of Exmoor. There has been a lot of interest in doing a similar thing this year...
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    Getting ready for Tour de Presteigne

    Less than a week to go, so thought I'd better start putting my bike together. Nick (I'm not joking; look out for a red bike with a welded battery case.)
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    Bottom Bracket B*****y

    I set out to replace the chainring on a bike. It turned out the easiest thing to do was to get a whole new crankset, and I thought I might as well replace the cup and cone bottom bracket with a new cartridge one. Ok, its another £7 but hang the expense - give the cat a goldfish, as my father...
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    Tour de Presteigne - Wessex Chapter

    I'm planning on going to the Tour de Presteigne this year . If anyone from this area (Somerset/Dorset) is going, please pm me. I will be taking my camper van and could give someone a lift. Also, it is looking like I may have two bikes ready for the races. If somebody round here wants to join me...
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    Sustainable Energy - recommended reading

    This topic fits naturally with electric bikes, and it comes up regularly on the forum. I've just read a very good book on the subject "Sustainable Energy - without the hot air" by David Mackay Not only does it have a good, impartial analysis of the science, but it is also packed with the...
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    Quick Release - Making it Slow

    My son is about to take delivery if a new bike, and its got a quick release front wheel, which we both agree is a bad thing since he's going to be using it at university. Is there a neat way of making this non quick release? A couple of ideas occur to me, but.... Replace the mechanism with...
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    A place where you can see lots of different bikes

    Hello everyone, My travels this week have taken me to Copenhagen and Cambridge. I have seen so many bikes, but I only ever saw one electric one. In Copenhagen there are many variations on bikes for carrying things - either children or cargo. Many of these are trikes - single wheel in front...
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    Bike Racks and Storage

    Hi Everyone, Ideas and advice sought. I have 4 bikes and I'm running out of room. Actually I have 4.5 bikes and another 6 or so wheels, that's what you get when you convert and/or break bikes. I'm not really running out of physical space, just organised space. They are always in the way...