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Bathroom scales do it for me... Under 25 kg is fine, 28 kg is on the heavy end of the pedelec scale.

Water temperature 15°C, air temperature about 14°C, the 31st of December 2016, bay of Saint Jean de Luz. OK, yes, it is freezing now...

The meter on your bike should give you voltage. In an ideal world storage voltage is 3.85 V per cell or 46.2 V in the case of a 12S 48 V battery.

http://batteryuniversity.com/learn/archive/pouch_cell_small_but_not_trouble_free http://www.epectec.com/batteries/prismatic-pouch-packs.html

If you want to do LiPo I have a spare 80 W charger for sale for 15 € (27 € new) + postage. You will need an 80-100 W power supply, the same as the ones used with laptop computers. I will add an XT60 to solder on to your power supply lead. Looks like this one...

I just carry it in the pannier. Unplug XT60, replug XT60 no need for a switch.

I believe you can see the cell warming at the beginning of the curve where the voltage increases from below 3 to just under 3.5 V

How did you keep the battery at -18°C during your test? Panasonic seem to agree with us... We aren't talking about damage but about the lower quantity of energy available at say -10°C. With wind chill factor and an aluminium bottle battery there is a significant loss - from last winters...

I set up an off topic chat area visible only to signed in members on a forum of which I was administrator. It was much, MUCH worse than the brexit thread. Guess what? I never read that part of the forum! hint... :rolleyes:

I don't know, that is for those using sub-standard infrastructure to decide. I was under the impression that your infrastructure was starting to show its age?

A Question for Ms. Moody of Hull: What were the chances that the Hull City Council would have received funds from London to finance the projects that the EU financed? Maybe some reading of https://www.gov.uk/government/publications/european-structural-and-investment-funds-outputs-and-results...

Did the video say how many km they had been riding and what the air temperature was - I have been out in snow in my shirtsleeves because the air temperature was 20°C? You could ask the guys from Finland if they use battery covers by -10°C. I think they may be of some use commuting in constant...

A New Year Question: How much could the EU have invested in infrastructure in the UK with the UK rebate?... o_O

We had another teacher for the lab... :oops: I use a fixed lens camera (sometimes with a wide angle adaptor). Nikon called it the professional photographers pocket camera.I try and take all of my photos using natural light and even iPhones and high end Samsungs fall down in natural low light...

Everything that my photography teacher taught me about optics is wrong then? Smartphones don't use optics? Larger diameter lens don't let in more light? Photography is no longer about light? ad nauseam...

But from 0 to 25 km/h I am only in one gear - usually 3rd or 4th it is when the motor cuts out that I change up a gear. That is because I am pedalling and adding about another 120 W to the mix. I find I can easily keep up with most cars being driven normally away from the lights up till about...

In NZ we used to say "a man is only as good as his word" I've "been away" for over 40 years so things may have changed a bit but here it is Billy: This one is for you!

You are supposed to be on holiday until the 2nd! Careful or you will be suspected of giving over the top customer service!

I'm already drinking a whisky and will light a sparkler in a minute or two after deciding if a second whisky is needed to get over the shock!

I have been lost to the Dark Side of the Force - LiPo... :eek: I use the knackered one on the flat around town and a 20 Ah LiPo battery that cost a little less than that 10.4 Ah Li-ion for further afield.