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GT3

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Everything posted by GT3

  1. Truth is stranger than fiction Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. Why do we use it? It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here', making it look like readable English. Many desktop publishing packages and web page editors now use Lorem Ipsum as their default model text, and a search for 'lorem ipsum' will uncover many web sites still in their infancy. Various versions have evolved over the years, sometimes by accident, sometimes on purpose (injected humour and the like). Where does it come from? Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia, looked up one of the more obscure Latin words, consectetur, from a Lorem Ipsum passage, and going through the cites of the word in classical literature, discovered the undoubtable source. Lorem Ipsum comes from sections 1.10.32 and 1.10.33 of "de Finibus Bonorum et Malorum" (The Extremes of Good and Evil) by Cicero, written in 45 BC. This book is a treatise on the theory of ethics, very popular during the Renaissance. The first line of Lorem Ipsum, "Lorem ipsum dolor sit amet..", comes from a line in section 1.10.32. Another happy Insat customer here!
  2. Total mileage is now over 26.5K, but that's over 3 kits. The current Thorn with Q100 and bottle battery from BMS has been going for nearly four years, so 15K at least. I'm amazed at the (total) reliability I've enjoyed from cheap Chinese components. I've just given the battery the BGA treatment, wasn't essential, but I don't mind investing to maintain peak performance.
  3. I purchased a pair of 36V 10.4A batteries from BMS Battery nearly four years ago. One developed a fault early on, the other's still going. I cycle around 4,000 miles a year on a 16 mile each way commute. My journey is all hills and I maintain 16 mph average. I did there and back on a single charge when they were new, but this was marginal, so have charged both ends ever since. I'm pleased there's a UK receller and I will use his services in due course.
  4. There's a couple of aspects of GCI's scheme that don't make sense to me? Firstly, it is the employer who provides the credit. To utilise your licence, GCI must provide the credit, so presumably are doing so on an interest free basis? Secondly, you appear to claim there are no exit fees, so how do you deal with HMRC's market value guidance (especially as I recall that did not apply to bikes of over £1,000). I do know my way around this scheme, having set up my employer's and now being on my third bike. We also benefit from a CC licence.
  5. I swapped my Big Apples for Marathon Plus as I experienced about two punctures every 5,000 miles or so. I chose the biggest MP (2.25 I think, available on the continent), also in 26 inch. I expected a more harsh ride, but was still surprised by the decrease in comfort, even with reduced pressures. 200 miles later I had a screw enter the centre of the tread and exit through the sidewall.
  6. Hello, from the far side of the Daw End Branch. Never understood electrics on a tandem, I thought you shouted at her to pedal harder:D I think the point is that tandems are allowed 350W?
  7. EVs are like electric bikes - they're only effective in certain circumstances. If you a, have off road parking with access to the mains; b, your daily drive covers a regular distance well within the advertised range and c, you hardly ever have the need to travel further afield, they can work. I'm not sure they make economic sense, given the eye watering depreciation Flecc observes, unless you take advantage of that and buy second hand.
  8. Couple of thoughts; The £1,000 'limit' on cycle to work is the exemption from the Consume Credit Act granted by the OFT. Unless your employer's scheme uses this artificial limit, there's nothing to stop you spending more, but only £1,000 can be 'financed'. I agree with Rob F. Although my 11 ah would do the 32 mile round trip when new, its capacity deteriorated. It's now 27 months old and not far off half original capacity. Allways build in a big safety factor on range, one women's 'hilly' can be another's Everest. Then there are headwinds.....
  9. I was cycling out of the City after a Christmas party last year. Bobby was standing in the middle of the road directing all traffic into a car park to be breathalysed. 'Can I carry on?' I asked. 'You're not drunk are you' he replied and waved me on:)
  10. I'm on my third, numbers two and three being a pair of Bromptons. Need one for either end of the train journey - obviously:D So long as the employer doesn't mind, sky's the limit.
  11. Hi James. I cross the city east to west most days. See quite a few ebikes, but no conversions sadly.
  12. I'm not far from the Chase and fancy a look around. Would my suspension free commuter deal with the terrain you have in mind?
  13. Phil, I regret I don't have much more information, I bought them from Frank Field off here and his advert included; " I bought this as an alternative to Tongxin’s own ones and asked Keywin (aka eCrazyman) to build it up with robust mosfets to make it more resilient than Tongxin’s own ones." There's the remains of some information on the outside of one of them, where '18A' can be seen. I've no idea of wave output.
  14. All following are 36V. Motors; Tongxin 36v, 260RPM 36H narrow (80mm wide), ex Jerrysimon, as new, now built into 26" wheel £100 350W MAC , 10T (250rpm) from Cell Man. Well used but going well, built into 700c wheel, rim is worn out (split) - offers Bafang BPM code 12 Rear Motor (Sensorless only) This is a geared rated 350-750w rated rear motor. I bought this from here as a very secondhand motor and used it to fill a gap. I recently tried to resurrect it without success. Built into 700c rim. Free to good home Controllers; e-Crazyman sensorless, brushless 36v controller. Has pedelec sensor. Well used but going well. £15 ditto for sensored motor. Well used but going well. £15 Tongxin sensorless, brushless 36v controller. From a 2009 batch. I never got this one to work. Free to good home Desheng 36V 250W, I thinbk I used this during my brief use of jerrysimon's Tongxin above, less well used £20 Other; Torque arm, nicely made 12cm total length £5 Half Twist Throttle with LED Voltage Level Display. New from BMS £5 I joined pedelecs five and a half years ago, in which time I've been through three frames, nine motors and nearly 20,000 miles. Time has come to clear out the surplus gear I've acquired along the way. I need rid of this stuff, some will end up in the bin, but I'd rather offer it here first if anyone, like me, enjoys to play around. Everything is in Birmingham, can be collected from north or south of the city or posted at cost.
  15. Why do you think the battery is not sufficiently secured? My bottle battery has survived several thousand miles and shows no sign of detachment. I wouldn't worry about theft either. The scumbags have no idea what these things are. Slime is counterproductive as well. Buy some quality tyres, (Schwalbe Marathon Plus etc) and learn how repair punctures. Nine times out of ten, there's no need to remove the wheel.
  16. Trex is correct, there are numerous middlemen who will give the impression their involvement is required, but it is as simple as above. It is far better to administer the scheme yourself, as the employees have a free choice of bike and can negotiate discounts.
  17. My reading of the Chinese message is that the hub has the holes drilled to fit a disc, does not impede use of rim brakes in any way and he's not saying you need or require discs. I use throttle control only (so not pedelec) and don't bother with the brake cut offs. That saves you using their cheap brake levers.
  18. GT3 replied to sil4ps's topic in Introduce Yourself!
    Speed is determined by the motor speed (328 in my case) and the wheel circumference. Questions of battery spec are too technical for me, but providing the wheel size and motor speed match up, the available batteries are fine. You are possible asking about 'overvolting' but that is a subject for others. What I can say is that the concept of 'going faster' depends entirely upon the effort you put in. If you don't wish to contribute, then you do need bigger motors, but that's never been my desire and if you are a fit cyclist already, I doubt you will either.
  19. GT3 replied to sil4ps's topic in Introduce Yourself!
    Range is around 35 miles, I don't have much reserve for my journey. I don't bother with the complication of speedometers any more, but would guess I never fall beneath 14 or 15 on the steepest hills and it assists up to around 20 on the flat. I'd like to see a 14 on the scales but sadly see mid 15 stone. I've never had a water induced failure and I ride in all weathers. The problem of mounting a 20Ah battery with associated frequent carrier and spoke failures outweighs the failures of the ebike components themselves, many times. I will exceed 500 commutes before the year end and that will be 16K miles, although as I only count the work and back distance, I will have covered a fair few more.
  20. GT3 replied to sil4ps's topic in Introduce Yourself!
    OP, my commute is similar (16 hilly miles) but there was no way I was capable of making the trip on an ordinary bike. I started with a 1000W motor with lead acids. Big power and speed demands big batteries which result in a heavy bike and frequent breakages. I have been through numerous systems but am currently very pleased with a 250W Q100 motor and 36V 10.4 Ah bottle battery. The journey takes under an hour and I charge once a day at home. The battery is solidly mounted and the bike a pleasure to ride when the battery is dead. If you think about it, you only need the power up hill. Downhill you're going fast enough without power. On the flat you will manage a reasonable speed without power, it's the hills that kill. I've purchased from China three times now and never had problems at their end. The last order from BMS took some time to be posted, but once sent arrived within 48 hours.
  21. There's no reason not to name the seller and you should do so to avoid others suffering the same fate. When the Fire Brigade extinguished my sister's garage fire, they told her it was the second fire they had attended that day caused by charging batteries. That was a normal 12V lead acid battery used to power an electric fence.
  22. Surprised by the quality and quantity of content, even if i did think I was reading a design magazine for much of it. Some dubious statistics and insufficient component/kit and technology content mark it down for me, but a promising start.
  23. I'm no angel, but posting that on the internet is stupid and could lead to problems for him consequent increased scrutiny for all of us BBC NEWS | UK | Scotland | Edinburgh and East | Reckless biker caught on YouTube
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