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60 kg is feather weight! I'm about 80 kg at the moment (christmas, bad weather stopping me from getting out, other excuses...) A 250W motor can give 1 HP equivalent 746W at 48v x 15 A give or take an Amp and 36v x 20 A. My 15 A controller gives just over that, if you look at the sticker most are...

I put my hand into the fridge light socket to remove a blown bulb without unplugging the fridge. Someone had already removed it. Someone found me sitting on the floor on the other side of the kitchen... LiPo can be fun too :rolleyes:

Yep I turn on the bike, the lights are hardwired to the controller power wires. I ride with the lights on 24/24, 7/7, twelve months a year. Helps a lot with priority at stop signs and roundabouts I have discovered.

http://a.co/bDQqsaT Chainguards are often for 38 or 42 tooth chainwheels...

My PC is in the same case since about the year 2000... :)

The distinction concerning upgrades is between ready made and DIY. Much harder to upgrade the former. If I was buying a ready made e-bike I would want it to last 3 years at least - battery and motor bearings etc included. And I do 3600 km a year so the answer could be at least 10,000 km. Easy...

If it was a Li-Ion battery fire they tend to have flames that shoot out of the battery box through the vents sort of like a flame thrower. In the photo of the Tesla higher up you can see the flames aren't touching the rear of the car. I think the passengers may have left the doors open when they...

Look for "silicone wire" http://r.ebay.com/2Uz4J2

Well... A 30Q HL internal controller battery is much better than a 2016 26F bottle battery IMHO.

My new trike has a 5 year guarantee on the frame, steering and seat, I expect it to last 10 years at least, I will take care of it. I think I will most probably put a Rohloff in for convenience (I seem to be confronted with more and more hill starts these days), they tend to last a very long...

OK that will work with this then which is what I have on the AZUB http://www.sunrace.com/en/products/detail/csm680 Real pain in the neck to set up with a front triple 48-38-26, it should be easier with the 48-32 on the GSM. On the other hand I have climbed +15% gradients unpowerd :eek: and 7%...

I calculated that they are only 2€ more than the 30Q for more than a third more Ah so money wise they make sense.

https://www.nkon.nl/rechargeable/other/sanyo-ncr20700b-lithium-battery.html When I get a spot welder I will make a couple of 3P12S batteries from those and use either 1 on the upright or 2 in parallel on the trike so either 12.15 Ah or 24.3 Ah @ 44.4v. Equivalent to 70 to 143 km range locally...

https://www.micro-mobility.com/en/experience-micro/microlino

My first choice would be the 36v 201 rpm Q100CST with a 48v battery and 17-20 A controller. That gives you 270 rpm and loads of torque because you are in a 20" wheel. Just get the motor and have it laced into a Halo T2 20" rim with Sapim strong spokes by a local wheel builder. This will be a...

Samsung 26F is the keyword d8veh. Even in 5P those cells are incapable of giving 15 A constant without sagging badly.

I have gone to the dark side of the force - I use LiPo bricks :D

I did that on my GSM. I did have some problems with the left crank arm working loose, seems OK now.

What you can do is get a second battery and connect them in parallel, you can climb mountains in assistance level 5 then :)

Someone gave us one when we were students at design school. After checking we found someone had emptied a bag of sugar into the petrol tank (ah the days when filler caps weren't locked...) so it being a quiet sunday afternoon we cleaned the tank and rebuilt the carburetor. We towed it down to...