On further reading, I don’t think it’s transferring 23,5 kW in 30 minutes, the output is 23 kW/h or 11,75 kW in 30 minutes.
On 07 Jun 2014, at 12:30, Martin Vlietstra <vliets...@btinternet.com> wrote: > Transferring 23,5 kWh in 30 minutes represents an energy transfer of 47 kJ/s > (or 47 kW). > A domestic plug in the UK can deliver 2.86 kW (and I suspect that a domestic > circuit in the US would have similar limitation) and they would take 8.2 > hours to fully charge the battery. > > If the car only had one plug which was designed to accept 47 kW, then it > would overload a domestic circuit which is why there are two plugs. > > In the UK, we pay about £0.12 per unit (kWh) for electricity (plus a standing > charge), so it would cost £5.64 to recharge the battery fully. > > From: owner-u...@colostate.edu [mailto:owner-u...@colostate.edu] On Behalf Of > Mark Henschel > Sent: 07 June 2014 03:15 > To: U.S. Metric Association > Cc: U.S. Metric Association > Subject: [USMA:53920] Re: Odometer at 2 Mm > > I note the electric vehicle charging station at my college, Madison Area > Technical College has two types of plugs installed by the local electric > utility and the cheapskates expect you to put in a credit card to pay for the > electricity that they supply to charge your car. Do you see industry as > standardizing around one basic electric plug or is there still some > uncertainty as to what the eventual standard will be? I see Ford also has a > plug in energ-C available on special order here. > > > On Thu, Jun 5, 2014 at 9:48 AM, Michael Payne <metricmik...@gmail.com> wrote: > I’m sure Tesla is designed in millimetres, I’ve been very interested in this > car, it is too expensive for me as well, hard to justify. I’ve had a look at > the literature for Tesla in Europe and find that it’s mostly written from a > US centric point of view, many of the examples use miles and other non metric > units. Not the brightest marketing people. > > I just ordered a Renault Zoe which I believe is the Nissan leaf in the USA. > I’m very impressed with the car, the range is rather short at 150 km but > there are a number of places to recharge at the dealer’s 23,5 kWh charge > station while you have a coffee for 30 minutes. The normal in home charger > puts out 7,5 kWh on 220 Volts. > > Mike Payne > > > On 05 Jun 2014, at 08:52, Mark Henschel <mwhensch...@gmail.com> wrote: > > > I see there might be some of you out there that have an open mind concerning > solar energy. If so, you might be interested in the raffle of the Tesla > coming up in Illinois by the Illinois Solar Energy Association in a few > months. > I found it interesting that my accountant was interested in a Tesla. She is > heavily invested in coal, natural gas and oil, so for her to come out in > support of electric cars that can be powered by the Sun is something > significant. > > I'm not sure if the Tesla is metric or has metric speedometers or > temperature measurements, but this might be a way to find out. I am not a > $60,000 car guy, I am more of a $20,000.00 car guy (if I can get a loan) or > maybe even $3,500.00 if I have to pay cash. > > Anyway, tickets for the raffle are $100.00 and you can get four tickets for > $300.00. Just check out the Illinois Solar Energy Site at > www.illinoissolar.org for details on buying raffle tickets. Years ago there > was a strong metric proponent (besides me) in the Illinois Solar Energy > Association, but I think Ken Woods might have died or retired by this time. > > Mark > > > On Tue, Jun 3, 2014 at 10:40 AM, Mark Henschel <mwhensch...@gmail.com> wrote: > Speaking of the planet Earth, there are some very quick solar energy > calculations that can be made using the fact that 10,000 km is the distance > from the North Pole to the Equator. > > Let's suppose the Solar Constant is 1 kilowatt per square meter. Thus for > every square meter of the planet Earth, we get 1,000 watts of energy. I know > it is actually a bigger number than that, but I want to make the math simple. > > So let's look at a square kilometer. That is 1,000 meters by 1,000 meters or > 1,000,000 square meters. Thus, for every square kilometer of Earth, we get > 1,000,000,000 watts of energy from the Sun. All the time. For free. Except > at night, but that problem can be solved using pumped water storage > facilities such as are in place in Ludington, Michigan. But I digress. > > Now, if every square kilometer of the USA gets 1 billion watts of energy from > the sun whenever the Sun shines, (about five city blocks squared or in > Chicago, 25 square city blocks of area), how much does the USA get, and can > we be energy self-sufficient from solar energy alone? > > Well, suppose the USA is 4,000 kilometers from the Atlantic Ocean to the > Pacific Ocean. Then 2,000 kilometers from Canada to Mexico. This gives us > 2,000 times 4,000 or 8,000,000 square kilometers,. Multiply 8,000,000 square > kilometers times 1 billion watts per square kilometer and we get, wow, 8 > followed by 15 zeros, or 8,000,000,000,000,000 watts, certainly more energy > than the USA uses in an entire year. > > Mark > > > > On Fri, May 30, 2014 at 10:09 AM, <cont...@metricpioneer.com> wrote: > I reached 2 Mm upon arriving to work this morning (see photo of odometer). > Two megameters is 5% of the circumfrence of Earth (see other photo). Just for > fun, have a look at this survey https://www.surveymonkey.com/s/G9YG2VX and > see if you can correctly answer quetsions 8 and 9 about riding a bike at 20 > km/h (you can find other surveys at Metric Pioneer). > > ----- Message from cont...@metricpioneer.com --------- > Date: Tue, 17 Dec 2013 21:28:31 -0800 > From: cont...@metricpioneer.com > Subject: Odometer > To: "U.S. Metric Association" <usma@colostate.edu> > Cc: Metric Pioneer <metricpion...@gmail.com> > > Greetings all. I installed a CatEye Velo 5 Bicycle Computer at end of July > 2013 CE and Friday the odometer turned a thousand kilometers. I was inspired > to take a photo, which is kind of blurry, but it reads 1000.0 on odometer. I > peddle a little over five kilometers each way to work and back, so my daily > commute is about the same distance (almost 11 km) from surface of ocean to > bottom of Mariana Trench, which is currently deepest part of any Earth ocean. > My weight was over 100 kg but since I switched from bus to bike and started > eating less, I have brought my weight down to around 90 kg and hope to lose > even more. I attach photo of blurry odometer reading and bike (that my son > bought for me on Fathers Day) with Metric Pioneer bumper sticker proudly > displayed. I would be happy to send any recipient of this email a free Metric > Pioneer bumper sticker; just reply and let me know where to send it. Thanks. > David Pearl MetricPioneer.com 503-428-4917 > > > > > ----- End message from cont...@metricpioneer.com ----- > > David Pearl www.MetricPioneer.com 503-428-4917 > > > >
