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  1. Benjahmin

    Return to the bent!

    Order has been actioned, but here is the reply from TBK 'We has received your payment and will help you arrange goods to send out as soon as possible. BTW, you use T09S controller to fit the 800W RPM328 motor may not have enough power. If you use it on an uphill, we suggest that you replace...
  2. Benjahmin

    Return to the bent!

    Turns out I have got a Paypal account after all. Who knew? I didn't, must have opened it years ago, never saw the need for it and forgot all about it. It's allowed as I'm officially an old git.
  3. Benjahmin

    Return to the bent!

    I've had a mail back from topbikekit telling me that I can pay their paypal with a link: topbikekit@outlook.com But this is an e-mail address. Anyone know how the hell I use a credit or debit card to pay this? I don't have a paypal account.
  4. Benjahmin

    Return to the bent!

    Having spent a long time carefully formulating the order to contain exactly what I wanted, I somehow selected the wrong payment method. Topbikekit are now waiting for a payment from Wells Fargo which I can't make. AAARRRRGH!:mad: Colour me stoopid. I've sent customer support a message and...
  5. Benjahmin

    Return to the bent!

    Thanks guys, think I'll go for the 3 as I've seen it mentioned a lot in posts so there'll be plenty of help with any programming issues.
  6. Benjahmin

    Return to the bent!

    Just putting the shopping basket together. I need a display with seperate buttons, was looking at LCD3 - is this going to give me the best functionality bearing in mind I'm going to need to set cut off speed? The shape of the LCD8s would suit the fitting location better (at greater cost) but...
  7. Benjahmin

    Return to the bent!

    I was just going to press the order button and found myself hesitating. Sorry to labour this but I want to be sure before spending my hard earned. So, I'm going to order a 48v 328rpm motor and run it at 36v to get 250rpm. I'm assuming that running at the lower voltage it will need more current...
  8. Benjahmin

    Return to the bent!

    Well then that's good enough for me and if I ever run it at 48v the speed limiter in the display had better work and I'll carry an anchor just in case. So, just to be clear 'cos it's 10:15 and I'm on my second single malt, it's this...
  9. Benjahmin

    Return to the bent!

    OK, gotcha. But will it develop the torque for west Wales hills?
  10. Benjahmin

    Return to the bent!

    Thanks guys. I live in hilly west wales. I'm new to recumbent riding and I'm currently finding the hills painful, yet to build the different muscle set in my 70 year old legs. So, we'd previously landed on the 800w freewheel as being more able to take the grunt to get me up the hills. The bike...
  11. Benjahmin

    Return to the bent!

    What road speed would 201rpm give in a 26" wheel? (I don't have the maths skills) I'll use the 36v batteries 'till they're spent, then I may go to 48v.
  12. Benjahmin

    Return to the bent!

    I had to put the conversion of my Velotechnic street machine on hold for a while, but now I'm back. I bought the bike with an existing 48v Dillinger kit that has got to go. The motor does not like hills and the battery is getting hammered, it may be past it's best anyway. I have two 36v...
  13. Benjahmin

    Petrol engine for bicycle

    Nowhere in the blurb does it mention legality or otherwise. It also keeps saying that it's a way to covert your bike to an electric bike?!!!o_O At that price I can see there being a few around. 45-50kph on a bike with dodgy rim brakes.....yeh, lets all have some. Hopefully they make so much...
  14. Benjahmin

    E-Bikes: The phenomenon, The Problem.

    If they are confiscating bikes on a truck how come they aren't waiting outside every Halfords for deliveries of scooters?
  15. Benjahmin

    Build spec by committee, might that include you?

    Yes ! A 48v controller in the max assist setting (let's call it 17A) will give a notional 816w. Lets allow a massive 20% for various inefficiencies. That still leaves you at 652w. Having watched the Tour de France, they sometimes show a riders power output and this is the sort of wattage a...
  16. Benjahmin

    Pendleton Charge

    How old is the bike? Are you reading the state of charge from the display unit? Do you have a volt meter?
  17. Benjahmin

    Build spec by committee, might that include you?

    So you pick a motor with the rpm to get you that speed (+ about 10%), in your sized wheel, under no load conditions. That way, when loaded, it should give the legal requirement but still give enough torque to climb. If you can maintain 50%+ of top rpm when climbing then the motor remains...
  18. Benjahmin

    Build spec by committee, might that include you?

    If the settings are for walk assist then the throttle will give 'push' start but only up to 6kh IIRC. if set to full throttle then you would have to pedal first. As Tony says, because kits are not specifically mentioned in the legislation, there is a loop hole that means builders kit bikes can...
  19. Benjahmin

    Build spec by committee, might that include you?

    If you were to choose that controller, then yes. The priniciple is that the maximum amperage of the battery is equal to, or preferably exceeds, the maximum rating of the controller. This way you avoid battery strain and degradation. Of course you may never use the maximum assist setting so...
  20. Benjahmin

    Build spec by committee, might that include you?

    This is tricky, you're still not getting it. A motor marked as 250w does not consume or output 250w. It consumes what the controller gives it. As Saneagle explained, the 250w rating is merely a statement by the manufacturer that the motor will not overheat if fed that power continuously. So a...