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  1. D

    Friction Drive comes of age

    If smooth rollar slip on wet wheels and abrasive rollars shred tyres , what about customised sleeves with the reverse pattern of the tyre embossed on them? Then knobby tyres could be used
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    Friction Drive comes of age

    .. I appreciate the link,
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    Brexit, for once some facts.

    ... I doubt whether there are any EU civil servants who want a hard brexit, their preference is no brexit. Any way it is not just the pensions that are in play what about the E111 Medical treatment card, the agreements which the UK made towards infrastructure, the joint projects, even something...
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    Friction Drive comes of age

    .. you are right , I had not picked that up at the time . I am puzzled about this as a product The design effort seems to be on a cable operated bracket. The motors are rated at up to 2000w and are high speed low torque.He is suggesting using a low capacity battery pack. There is no discussion...
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    Brexit, for once some facts.

    ... I believe that the EU has been more sensitive to regional cultures than national governments, perhaps because it is less threatened by them. If you define culture Inc terms of language, dance, music , habitats then the EU has a good record. On the other hand the EU has been good at...
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    Brexit, for once some facts.

    I still find there is sufficient diversity in the street furniture road signage , road markings and particularly the ways of constructing junctions that there is no difficulty. In particular I admire the way the French mark directions to villages .. using two signs at 45 degree on both...
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    Brexit, for once some facts.

    I am inclined to agree with Woosh on this one. There is a group driving closer integration and there is a rump who are not convinced of it value. This would have been one of the many reasons why I would have preferred the UK to remain. The accession of the ex Soviet states has slowed down the...
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    Hello from Essex

    ...... It is a case of charging what the market will bear (I might have said bare but don't want another of fleccs pictures). In this case the market is the local health authority with a bottomless(oh dear) budget.
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    E-bike with motors greater than 250w, speeds above 15mph and the UK police

    My Motus with the Bosch system gives full assist up to 25km and then tapers downwards so that there is no assist above 27.0km . These numbers are based on the speedometer on the intuvia display.The estimate of assist is the number of bars shown on the barometer.
  10. D

    Brexit, for once some facts.

    ... Actually I have had long practice of suffering fools gladly, but even I have limits
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    E-bike with motors greater than 250w, speeds above 15mph and the UK police

    .. No. The second figure you mentioned is the amp hr rating meaning that at a current of 17 amps it will supply that for about 1 hour., Or at 1 ampere- load will supply current for 17 hrs. A 1000w motor running at full and idealised efficiency will consume the contents of a 20amphr battery of...
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    Brexit, for once some facts.

    ... Is it like buses ? I am prepared to give a person the benefit of the doubt few times, but I will not be responding to any further comments from the person whose current title is OJ. I will just enjoy my pancakes and contemplate the foolishness of the human species.
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    Brexit, for once some facts.

    ........Come back Zatlan all is forgiven. If you are stating something as a fact then you should either provide the evidence from your own studies ... Called original research, or you should provide references to the work of others eg websites. To do neither is negligence, hearsay and gossip...
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    Friction Drive comes of age

    ... Flip flops are cool I wear sandals all year except in snow. . A lifetime of 5000km on a single tyre subject to 250w friction drive would be excellent, but is that what is being claimed.? The Kepler post you referred us to does not make that claim. The subsequent posting in italics does but...
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    Friction Drive comes of age

    ... You really like showing that picture!
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    Friction Drive comes of age

    .. the light and stealthy look ... Lovely .. efficiency and tyre wear ... Not so lovely. There is in any event friction drive on all bikes .... Between the tyre and the road.
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    Friction Drive comes of age

    ...... Damn I thought about using special rims when I was writing my previous post. Now is that two motors or one and will that be illegal under the EPAC rule? ( Just being arguementive and reprising a previous set of postings)
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    Brexit, for once some facts.

    Actually Mrs May referred to it in her major February speech, after Mr Hammond had introduced it earlier. She also flagged it up as a weapon, ...unless she got a good deal, Ireland has had a long and involved fight to retain its current tax regime within the EU. To suggest " little fuss "...
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    Friction Drive comes of age

    One can admire and respect the engineering and design effort involved while being critical of the fundamental science driving it. I look at the current revival of vinyl records and the engineering effort involved in trying to get over the fundamental limitations of that medium in the same...
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    Brexit, for once some facts.

    In respect of point 1 listed above,I can accept that some MP may have genuinely changed their minds or were originally commited to the brexit concept, and now believe that Brexit is in the long term interests of the UK, Europe and the EU, to lesser or greater extents and I am prepared to...