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This is a pretty cool hack. Turns a standard kill-a-watt into a wireless power monitor :) Tweet-a-Watt! A safe and simple wireless power monitor
Great data turtle, thanks! As you say, I think that fills in the missing piece of the puzzle.
Interesting also is to compare the UDDS data for the 120kg/5.14 kWh NimH pack to the 60kg LFP pack. CD Wh efficiency is still lower on the Li...
Its certainly not unreasonable to believe that the Li pack does improve HV efficiency. The key does seem to be significantly lower internal...
Just an observation that we are wandering pretty far OT, and cluttering up jdh's excellent thread documenting his effort :)
I don't disagree that driving faster out west is very appealing given the vast distances involved. I do think its worth asking why we think we're...
FWIW I agree the revenue projection was used too much to help sell it, but I'm not convinced that was the actual purpose though. Its also worth...
I think that's more or less our state motto, isn't it ;) Rob
Wasn't particularly trying to start a debate on speed cameras. Just citing an interesting study that provided a rare opportunity to compare...
Best study I have seen for a direct comparison of accident rates vs. speed was the speed camera demonstration study done in Scottsdale, AZ in...
FWIW here's the Consumer Reports data for maintenance/repair cost: Year 1: $150 Year 2-3: $550 Year 4-5: $800 Year 6-8: $1500 Bear in mind...
Two thoughts on ROFLs comments: 1) As jdh's project represents what is in essence the first diy/open project to attempt to replace the stock...
That's a good question. I believe carpooling benefits are tax exempt, would be interesting to know if charging benefits are covered anywhere. Rob
Reedja, you seem to be venturing into straw man territory here. I disagree with many of the comments above about employees being "entitled" to...
If your company doesn't have a policy on charging EVs, I would also investigate what policies they have for carpooling, biking to work, public...
BTW, more details on the testing used to generate the contours is available here starting on page 62:...
I think I did qualify the analysis as assuming a linear relation between throttle and torque, and rpm and speed, so you're quite right that's a...
I could be wrong, but my understanding is the Enginer pack is best suited to long commutes. This is because the energy stored in the battery is...
Keep in mind that its not just the increasing drag that increases the energy used to drive faster. Its also that it simply takes more energy to...
There are more detailed reports from ORNL about the test conditions for this graph, but I'd need to go back and look at them. I believe this is a...
