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Little News From Tesla

RSchneider

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Wait a second... "Most cars today don't even have fuel filters"? Mine has 2. The 2003 BMW Z4 had an integrated fuel filter/regulator - part number 16-11-7-197-690. They call it "Fuel filter pressure regulator". You are correct that the Z4 didn't have a separate fuel filter. You probably wouldn't change that filter regulator very often but at $260, it wouldn't take very often for that to get old.
I bought a 2003 Z4 brand new and put 140k on it in 11 years. Only ICE problem was a faulty changeover valve covered under warranty. It took the dealer 5 minutes to change. Other than that, 10K oil changes, 50K spark plugs, 40K air filter (the long life one) and a drive belt at 100k. Never changed the fuel filter/regulator/pump. If you look at the unit, it’s a screen like every other German car I’ve seen. BMW uses a running losses system where there is no return line. Just a pressure.
 

johnsnownw

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View attachment 22575 View attachment 22576

Here’s a link with regard to the new Porsche EV... it’s getting very close to production status!

Can’t wait for the new Porsche EV... they’re going to compete with Tesla!

My first Porsche was a pre-owned 928 when I was 23 years old... it was two years old when I purchased it...and had less than 5k miles...

Porsche makes amazing machines!

https://blog.caranddriver.com/its-o...ission-e-electric-sedan-headed-to-production/

I'm glad to see it, but I'm not sure they'll necessarily compete. For one, the vehicle is more expensive similarly specced, and production will be considerably lower than Teslas.
 

RSchneider

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View attachment 22575 View attachment 22576

Here’s a link with regard to the new Porsche EV... it’s getting very close to production status!

Can’t wait for the new Porsche EV... they’re going to compete with Tesla!

My first Porsche was a pre-owned 928 when I was 23 years old... it was two years old when I purchased it...and had less than 5k miles...

Porsche makes amazing machines!

https://blog.caranddriver.com/its-o...ission-e-electric-sedan-headed-to-production/

Then to top it off, Porsche Flying Sportscar:
https://www.cnet.com/roadshow/news/porsche-flying-sports-car-strategy-2025/
 

Rob Croson

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Too bad about the supercapacitors, sounded so good
The problem with supercapacitors is that they don't retain charge very long. They can charge and discharge at super high rates, though. Various industries and companies are using supercapacitors now in applications that can generate surges of power. For example, cranes. When lowering loads they use regenerative braking during the descent to charge the capacitors, then use that stored energy first when the crane needs power. This energy is traditionally wasted through a series of load resistors as waste heat, anyway, so why not store and recover it? Also, various heavy truck companies are apparently using them during stop-and-go to store and recover some energy. A supercapacitor storage hybrid system can be used to greatly improve fuel economy.

Many companies out there are researching these things, and they will probably, eventually, make it more generally applicable. But just like miracle battery technology, never believe it until you can buy it. That's why many (most?) EV sites don't even report new miracle battery stories.
 

Samalross

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The problem with supercapacitors is that they don't retain charge very long. They can charge and discharge at super high rates, though. Various industries and companies are using supercapacitors now in applications that can generate surges of power. For example, cranes. When lowering loads they use regenerative braking during the descent to charge the capacitors, then use that stored energy first when the crane needs power. This energy is traditionally wasted through a series of load resistors as waste heat, anyway, so why not store and recover it? Also, various heavy truck companies are apparently using them during stop-and-go to store and recover some energy. A supercapacitor storage hybrid system can be used to greatly improve fuel economy.

Many companies out there are researching these things, and they will probably, eventually, make it more generally applicable. But just like miracle battery technology, never believe it until you can buy it. That's why many (most?) EV sites don't even report new miracle battery stories.
sounds like a great thing for lift trucks and subways. Possible for use in booster motors to increase car acceleration?
 

AriLea

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Guess I could say something about this with-out getting into too much trouble. My brother has a business plan on hold in the Fuel Cell area. Thiers is for a city-scooter. The super-caps even things out allowing them to get full operation in the city on a much smaller fuel cell. I don't know if this saves in weight(having been given no number to grind on), but it does save in total cost.
 

booboo

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Guess I could say something about this with-out getting into too much trouble. My brother has a business plan on hold in the Fuel Cell area. Thiers is for a city-scooter. The super-caps even things out allowing them to get full operation in the city on a much smaller fuel cell. I don't know if this saves in weight(having been given no number to grind on), but it does save in total cost.
A Hydrogen tank between my legs? Sounds lovely.
https://www.pragma-industries.com/
 

johnsnownw

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Found this today, it's a good comparison, especially the quip on price


Except that it's compared to a 3-row SUV that weighs nearly 1,000 lbs more. The i-Pace is comparable to the S75D, both in price and range...but the S75D has greater performance.

When you have to compare performance to what is essentially an electrified van, you may need to re-think your marketing strategy.
 
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