xponents
Active Member
Fahrenheit...He's European. They use commas instead of periods, which is common around the world. We Americans continue to be heathens using a different system than anyone else.
Fahrenheit...He's European. They use commas instead of periods, which is common around the world. We Americans continue to be heathens using a different system than anyone else.
Looks sweet!View attachment 9429
It works great! What do you think?
Same tires on the aero wheels as your original stock 21's?Here's my observation, I doubt it's my driving changes or traffic but I went from 2.8-2.9 to a constant 3.1-3.2 recently even doing a 3.4. I recently did a 175mile day trip and still had 130 miles left. Usually it would be less than a 100 miles. That's with the Aero Wheels. 175 miles was 60/40 highway and backroads
I think you're spot on, the Rolling Resistance of a tire is the biggest effect, at least according to this seemingly insightful article. Often the difference is due to the big wheels having stickier tires than the small wheels.I'm not 100% sure that it is the diameter of the wheel that affects EV range as much as it is the type of tire, including its contact patch size and "stickiness."
"The difference in range due to tires is evident at Tesla as well. The base Model S with 19″ tires has an EPA range of 405 miles while the range with the larger 21″ wheels is 375 miles. The difference is that the 19″ tires are all-season low RR tires while the 21″ers are high performance summer tires with more rolling resistance."
Yes he swapped them. So the rim is the only difference. The upper part of the wheel has twice the speed through the air as the body of the car has, that is the reason the rim design has a big impact. Twice the speed is 4x drag. Reason why Tesla, Lucid and practically every car manufacturer started with more covered wheels (especially the part closer to the tire) when they launch EVs and plugins. Even though they are heavier they are better in efficiency.Same tires on the aero wheels as your original stock 21's?
Makes sense. Smart to keep the tires constant. Per prev post I don't think EV is disadvantaged by heavy wheels as much as ICE since we tend to recover the extra kinetic energy back into the battery rather than losing it to brake heat.Yes he swapped them. So the rim is the only difference. The upper part of the wheel has twice the speed through the air as the body of the car has, that is the reason the rim design has a big impact. Twice the speed is 4x drag. Reason why Tesla, Lucid and practically every car manufacturer started with more covered wheels (especially the part closer to the tire) when they launch EVs and plugins. Even though they are heavier they are better in efficiency.