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  1. C

    Magic Pie 4 regen not working, tried new controller already

    I have no direct experience of the MP4 controller but if it is similar to their earlier versions then it is capable of 24v 36v and 48v operation. If it is programmed to 24v and you are running at a higher voltage then regen won't work. If you haven't already done so it might be worth downloading...
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    DIY Front Hub Battery - Possible?

    These are available, at least for rear wheels. This example is part of a complete bike but if you hunt around on aliexpress you can find just the wheel. I would expect the battery capacity would be quite limited but in makes for a very clean installation. See here...
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    Magic Pie 3... diagnosis time. Lil assistance

    Are you using brakes with a cut out? If so worth checking for a short.
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    Ping battery size info required.

    I have three 48v 20Ahr Ping packs, all well used and varying between 1 and 2.5 years old. My measurements are much the same as those given by upward. 103mm at the ends, 105mm in the middle. Generally consistent across all the packs, nothing over Ping's stated dimensions. Even though these...
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    Filling up with gas instead of diesel

    My wife once managed to fill our diesel car with petrol so it must be possible (for the mechanically challenged). I remember that losing a tank of gas was expensive but the environmental surcharge for disposing of 10 gallons of contaminated fuel was extortionate! On the other hand I used to ride...
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    Pacemaker Questions?

    No helpfully suggestions I'm afraid. In my experience if they can walk and talk most medical or psychiatric authorities would deem them competent and until a person is clinically declared incompetent then POA is worthless. The same authorities will probably be reluctant to act even if they...
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    Recommendations for battery and phase wire plug/socket?

    I did once consider using a DB13W3 to integrate high current and signal lines. The power pins can be rated at 40A so it is feasible but I'm not sure I would really recommend it.
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    magic pie 2 beeping

    Two beeps means the controller has sensed a hall sensor failure and has reverted to running in a sensor-less mode. Full details of all the controller failure modes are given on the manufacturers web site - http://www.goldenmotor.com - look for the cruise controller user guide.
  9. C

    48 mpg in the 2013 Kia Forte!

    Honda Civic 2.2 turbo diesel. I treat it reasonably gently, drive according to best practice etc and can get just over 50 mpg (uk gallons). My wife likes to drive it like she stole it, always either on the throttle or the brakes, prefers 4th gear to 6th (better throttle response she says). Speed...
  10. C

    2013 Electrical Systems-Close Call & Lessons Learned Thread

    Not so ebike related but..... A long time ago I asked one of the techs to tidy up the cabling that festooned the lab. 5 mins later he was done but had also managed to cut the lines to the phones, faxes and modems! So, I'm up a ladder trying to sort out the mess, I've found where the phone line...
  11. C

    CARGO BIKE - Kid friendly - riese and muller , larry v harry

    I'm thinking on similar lines. Major motivation for the bike is the ability to ride with my daughter on the back. Now that she is four she has just about outgrown the traditional "baby seat". The only options seem to be; upgrading to a bigger child seat like these...
  12. C

    Anyone used Golden Motor's Controller?

    I'm surprised that no one has bought one of these. I was tempted but can't really justify it. GM's smaller version of this controller is feature rich and very consumer orientated. It's only real drawback is that it has a very sloooow start and the controller logic winds down the amps as motor...
  13. C

    Noob question: How do I turn my ebike on?

    I wouldn't be tempted to use the supplied battery connection - the short portion with the inline fuse - this is significantly underrated for even the average current draw and will just melt - probably at the most inconvenient moment/place!
  14. C

    Turnigy Wattmeter clock does not work with less than 1 amp

    Well, mine has the same behaviour/problem!
  15. C

    Turnigy Wattmeter clock does not work with less than 1 amp

    Is this not a design feature? Where the intent is just to clock the time when current is being drawn? Mine didn't come with ant documentation either!
  16. C

    Looking for a brushless controller with PWM

    The goldenmotor BLDC controller will provide a claimed 100amp peak at 48v and if you look at the programming screen it would suggest that it has the ability to select reverse on the fly. (immediate as opposed to unimmediate, as they put it) I've not tried this functionality so YMMV)...
  17. C

    how many a123 20ah will fit in a PELICASE 1300

    You might also want to look at the Explorer range of case. Same as Pelican but different choice of sizes. http://www.explorercases.com
  18. C

    e-bike battery for hookah dive system

    I use a 48v 20Ahr Ping lifepo4 battery mounted in an explorer case. http://www.trifibre.co.uk/index.php?route=product/product&path=35_37&product_id=77 This is incredibly robust and guaranteed waterproof so I guess it would suit your application. My 48v battery is a tight ft in the case shown in...
  19. C

    Good mini angle grinder for cutting 3mm aluminium and small

    The clones can be excellent value at a tenth of the price of a Dremel. I think you are local to me so check out Maplins and Aldi. I bought the one from Aldi which is mains powered (200w) and has withstood a years abuse. The Anniesland branch still has some today reduced to £10. It's been...
  20. C

    help!! choosing an ebike kit?

    The 9C is one of a number of similar hubs, other possibilities are available from goldenmotor or conhismotor. (and probably other manufacturers) If you are looking for a more local than China supplier you could try...
  21. C

    Final shopping list. With pictures.

    If you buy their disk brake mount you should also buy their disk rotor as their hole spacing is different from the more common ISO standard - at least this is my experience.
  22. C

    Need help with goldenmotor.ca throttle connection

    Red 5v = feed, black = ground, white = signal, Green = pack voltage The other two are for whatever you want the red push button to switch See http://goldenmotor.com/e-Bike-DIY/Cruise%20Controller%20Wiring%20Diagram.pdf
  23. C

    Newbie to this forum (today) but I wanted to put my 2-cents

    Maybe it's the steering geometry, in which case you are stuck with it, but it could also be down to over tight headset bearings. Worth checking it out.
  24. C

    Golden motor controller programming cable

    A pity it didn't have any effect but I suppose that controller is such a dinky piece of consumer orientated tech that it would be asking a bit much for anything very exciting. I was always amazed that something so small was so efficient and (relatively) powerful. I see from the GM site that they...
  25. C

    Golden motor controller programming cable

    I could never work out if changing any of the parameters actually had any effect. I know that someone posted hex edited data files on the GM forum that allowed you to exceed the standard constraints, but I never saw anyone claiming success. If you take a look at...
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