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Recent content by inchman254

  1. Extreme over predicted range!

    While the overall premise of this article makes sense... go fast and charge more times vs go slow and charge less, I have some disagreements regarding methodology with the author. It makes me think he's just another ICEman who didn't really understand EVs and how they are normally used...
  2. Extreme over predicted range!

    So the overall elevation drop would have helped bring your results closer to my prediction by just under a kWh/100 but the hills would have hurt... and it doesn't have to be "windy". A light breeze can have an effect. At 70 km/hr (40) a 5 km/hr (3 mph) (most people would say calm) tailwind...
  3. Extreme over predicted range!

    Interesting... my model would have predicted 19 kWh/100 at 70 so I probably need to tweak a bit. ... assuming you kept your speed constant, the variable factors are wind, hilly-ness and start-to-end elevation change. If you had a 20 km/hr tailwind, that would directly explain the difference but...
  4. Extreme over predicted range!

    Air resistance is the biggest factor in range difference between the GOM at the beginning of a trip and actual usage enroute. The GOM seems to adjust range for temperature, but seems to revert to spec for other factors. That's how it can guess the ~400 km range in the winter even if you park in...
  5. Edmunds 3 year Lightning review

    I always find the complaints about depreciation in EV's a bit like EV fires. Journalists just pick up on EV stuff because EVs are still a bit of an enigma to most people. All new cars depreciate terribly. I just did a quick comparison between a 2025 and 2022 Audi A6 (my last sedan) and a...
  6. Range not close to as advertised

    Carscanner would tell me the total kWh used but that would include the kWh used to travel the horizontal distance, too. My calc was just for the kWh cost for the elevation change.
  7. Range not close to as advertised

    I just happened to do a test this morning. In a continuous climb (no ups and downs on the way) I lost 18 km (11 miles) per 1000 ft of elevation. [Range at bottom minus range at top minus distance travelled]. That works out to about 4. 5kWh or 3.5% in an ER. To keep it simple, since we all drive...
  8. Sigenergy (PointGuard) bi-directional system

    There's a few things that make Point Guard different from the ones mentioned. One difference is that the Point Guard system can charge and discharge the vehicle at 25kW DC. The dcBel appears to be 15 and the Wallbox is 11. Point Guard combines available solar, grid and battery energy to...
  9. Is there really a need to rotate tires if tread wear is symmetrical?

    Unless you were driving in a straight line for 15,000 miles, there would be more sidewall stress and wear on front tires simply due to going around corners and maneuvering in parking lots. Wear and tear is not always visible on the treads. In addition, you have indicated that the tires may have...
  10. Tire pressure adjustments for outside temps.

    I use 1 PSI per 10F difference between garage and outside. The actual temp of your garage doesn't matter... Only the difference. "Cold" tire pressure means in the driving environment.
  11. Feature Request: Speed Sign Recognition Offset Percentage

    I can see your point, but I'm talking about driving along a 50 mph road and entering a town with a 30 mph speed limit. On the country road, I don't mind doing 10 over, but in the town, 6 would be better. The point of a system that reacts to speed limit signs is not to require the driver to...
  12. Feature Request: Speed Sign Recognition Offset Percentage

    Yes, of course. This isn't about fines. I don't think it's right/fair to be going 65 in a 50 in a town (40 mph in a 30) but I don't mind doing 15 (10mph) over in the country or on a freeway (as a matter of fact, it's almost mandatory on Ontario highways :)). I might get pulled over doing 10...
  13. Feature Request: Speed Sign Recognition Offset Percentage

    For the cruise control speed sign recognition feature I would like to be able to set a percentage over the posted speed rather than a fixed number. I normally drive between 15% and 20% over the speed limit. This works out to about 58 in a 50 and 95 in an 80 (these are kms, so ~35 in a 30 and ~60...
  14. Tips to Maximize Your F-150 Lightning Electric Range (Preconditioning, Hauling/Towing, Driving Tools)

    One Pedal Drive does not save anything over Standard Drive. In fact, it may be slightly worse.... I'm going to use "OPD" for One Pedal Drive and "SD" for standard drive. @HOTAS In the first paragraph, you say that friction brakes don't kick in until the vehicle is stopped and in the...
  15. Check and verify your tire pressure.

    You're right... it still fluctuates. The reason for the nitrogen in aircraft tires is not due to pressure changes caused by temperature. That's going to happen anyway. One reason is for dryness. The constant condensation due to the humidity along with the oxygen in air can cause wheel...




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