.....stunning styled Lightning with inwheel motors
Oh boy. A car for about a quarter million dollars that will handle like a truck with its in-wheel motors. I can hardly wait.
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.....stunning styled Lightning with inwheel motors
High unsprung weight?
The unsprung weight has increased by less than 2 kg over the original standard Mini. This has been achieved in the first part by removal of the disc, brake caliper, half shafts and cv joints. Secondly we have designed a very light motor and electronics system. As a comparison the power electronics (included inside the wheel) is around 20 times lighter than the lightest currently available alternative! The motor is around 5 times lighter than the closest rival. So we have a 350v 400A continuously rated (0ver 600A peak rating for a few seconds, although this has so far not been used!) system which weighs less than 24kg total.
Relying completely on regen braking doesn't work; the vehicle will move on a sloped surface.
Ah, so those are new-fashioned, innovative bricks acting as chocks to keep the PML Flightlink Mini from rolling? I'm all for innovative solutions, but they have be complete solutions when it comes to life-safety issues like not rolling into oncoming traffic. Relying completely on regen braking doesn't work; the vehicle will move on a sloped surface.
Key features:
- Full regenerative braking down to very low speed
- Full holding torque at zero speed
- Wide speed range
- Built in brake resistor (for full charge regeneration situations)
- Hand / parking brake option available
- Heavy duty bearing system
Safety concerns?
The braking system is fully dual circuit and each wheel is independently connected to the brake system. Each wheel has several levels of redundancy so any single failure will never prevent the vehicle from operating safely.
Someone said, "Ah but there is only one battery and if this fails or if a main fuse blows the vehicle cannot stop!” In fact when the vehicle is moving, the battery is no longer needed for braking power since the wheels themselves generate all the power needed to stop. This is the basis of regenerative braking and PML system can regenerate down to stop.
A conservative approach is to stick with what you know.
Regardless of available technology Martin has pointed out that the regulating powers that be simply will not allow a car on US roads without mechanical brakes.
Nothing a couple of million dolllars of lobbying would not cure over time.
the revolutionary Telsas achievements mentioned are relative relative.
The Bakers Edison batteries are over 100 years old and are still working today!
You cannot buy any product today (besides original swiss watches) which will guaranteed still work in 100 years.
Two points: I think the manufacturers of mobile products would disagree with you there. Secondly, if you fitted that old car with newer batteries it would obviously benefit from their improved energy density and power density. In short it would go further and faster. Sure the batteries wouldn't last 100 years, but we'll be on super-caps by then.And battery technologies developments since then remains (given the timeframe of 100 years) basically invisible