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It's complicated. the main characteristic that affects the controller is the motor's maximum speed in the air. A faster motor will draw maximum current for more of the time. If you got one of those large 500w direct drive motors, they're very inefficient at low power or low speed.

Yes, but you won't experience any more power. It would be a complete waste of time and money to replace your motor. The power comes from the controller. The motor can't increase it. All it does is change the electrical power that the controller sends into motive power. If you're not happy how...

I tried a strap-on. There's no way you could get two bikes on it. It was really arkward to use and it held the bike too high. On a 200 mile trip, it knocked my normal 60 mpg down to about 35 mph. For the return trip, I took the front wheel off and carried the bike inside the car and never used...

That's how it should work.

As long as they're willing to learn, I'm happy to pass on my wisdom. Its the ones that already know the answers that make me switch off.

The battery might be switching on. How would you know it is or isn't. We always check that with a meter, which is essential equipment even if you buy a plug-and-play kit. These are the things you're going to need to complete the installation: Digital multimeter 60w soldering iron 40/60 tin...

I've had that happen loads of times.

Anywhere you like. It makes no difference. The only important thing is how much of the length has been soldered.

No need to panic. Everything will turn out fine. The government is doing a fine job, considering the expert advice that changes on a daily basis. I've met three guys in the last couple of days who all have terminal cancer and only weeks or days to live. One was worried about not getting a...

If the throttle doesn't light up when you switch on the battery with the key, the battery is most likely knackered. you can buy them form Ebay or Aliexpress with a charger for not too much...

My guess is that a couple of the main motor wires touched. The speedo gets it's signal from the white wire in the white one in the 6-way connector. have a close look at that to see where it's broken. If it's not broken, maybe one of the main motor wires touched it and wiped out the sensor, in...

Error 03 is motor hall signal. Causes: 1. Motor connector not all the way in or corroded; 2. Motor cable damaged; 3. Blown hall sensor; 4. Wire rubbed through inside motor. You can check the hall signals at the white block connector on the controller. Measure between ground and each of blue...

Yes, definitely a code 8 398rpm 30 mph. It won't be very efficient when hill-climbing and it'll take max current more of the time, so keep an eye on your controller temperature. It's going to give your battery a harder time too. For ultimate climbing a code 15 is most efficient, but you only get...

Then it wouldn't work as a shunt for the wattmeter, but it does.

The only one that affects PAS power is C14, which you have set to medium. I'm not sure if that setting affects the ramping up of the power or the total power. Either way, try turning it up to maximum (4?) and see if it makes a difference. Please let us Know. Your only unusual setting is P5=0...

I was wearing a mask in hospital and still managed to score 98% on my Oxygen sats test even though my lungs are full of blood clots and are working at about 25% of normal efficiency.

The controller only sees the voltage difference. It doesn't care what changes it. If the question was, "Sometimes I get a max current of 15.01 amps and another time, it's 15.02 amps, and now that I put a copper wire shunt in of the same value, it varies from 14.99 to 15.06 amps", what you...

Say you have a .05 wire shunt, unsolder it and solder in a 10cm length of 14g braided wire that also has 0.05 resistance. The controller doesn't work. The original idea was to get a more accurate way of adjusting your current with the length of the wire. I've used 10cm of 14g wire as a shunt for...

These sites are selling components for hobbyists. If you don't know about the stuff and how it goes together, you should be buying a ready-made plug and play kit from Woosh, YSPower, Dillenger or somewhere like that, whose kits have instructions and backup. Your controller is not going to fit...

I started a new thread for you: https://www.pedelecs.co.uk/forum/threads/oxygen-or-battribike-mtb-x-error-code-30.38463/