Electric turbos - why so long?
Electric turbos - why so long?
27-11-2018, 09:43 AM
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
Given that a turbo is essentially just a turbine, why has the idea of electrical assistance taken so long? Is it horrendously complicated to actually make it work?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
27-11-2018, 09:50 AM
http://www.f30post.com/forums/showthread.php?t=597327
The Ebay ones are fans and are incapably of COMPRESSING air at anywhere near the pressure to make a difference.
Edited 08-01-2012, 07:26 PM by FirebirdPhil.
"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
FirebirdPhil
27-11-2018, 09:50 AM #3BMW own the patent on the electric turbo...........
http://www.f30post.com/forums/showthread.php?t=597327
The Ebay ones are fans and are incapably of COMPRESSING air at anywhere near the pressure to make a difference.
"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
27-11-2018, 10:08 AM
BMWs version looks horrendously complicated but that's because it looks to be doing some extra clever stuff to make it really fuel efficient - but still begs the question of why no one has bothered with the basic concept before?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
Yep not talking about the lame electric superchargers, more to do with this one that BMW is working on which will apparently be on the mental diesel soon to be released and also potentially the next M3.
BMWs version looks horrendously complicated but that's because it looks to be doing some extra clever stuff to make it really fuel efficient - but still begs the question of why no one has bothered with the basic concept before?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
27-11-2018, 10:51 AM
Marsdendean Unsure. How would it work, just go from a preset rev range and force a load of air in like a charger??
If you read the link Phil provided, they use a motor to pre-spin the turbo when the engine's not under load, so it's always spun up ready to function as a turbo, thus eliminating lag. A bit like anti-lag but using a motor instead of heavily retarding the ignition. The turbo is still a turbo, i.e. still powered by exhaust gas, it just won't slow down between gear changes etc.
Marsdendean And i doubt the M3 will be a diesel, because if it is, its the end of "propper" motoring. I like oil burners but not in sport cars, softtops or hardtops or high preformance cars . . .
Where does it say that it will be? They are making a new performance diesel as well as the new M3.
Marsdendean Unsure. How would it work, just go from a preset rev range and force a load of air in like a charger??
If you read the link Phil provided, they use a motor to pre-spin the turbo when the engine's not under load, so it's always spun up ready to function as a turbo, thus eliminating lag. A bit like anti-lag but using a motor instead of heavily retarding the ignition. The turbo is still a turbo, i.e. still powered by exhaust gas, it just won't slow down between gear changes etc.
Marsdendean And i doubt the M3 will be a diesel, because if it is, its the end of "propper" motoring. I like oil burners but not in sport cars, softtops or hardtops or high preformance cars . . .
Where does it say that it will be? They are making a new performance diesel as well as the new M3.
27-11-2018, 10:54 AM
Marsdendean ^^ Sorry didnt read the link. Won't that cause the turbo to give up quicker, and is it just the retarded engine timing that kills turbo when using anti lag ?
Antilag kills turbos because the retarded ignition timing means fuel doesn't ignite in the combustion chamber, instead it makes its way through onto the exhaust turbine of the turbo and ignites there due to heat. So basically the turbo gets set on fire, which is what shortens its lifespan.
Marsdendean ^^ Sorry didnt read the link. Won't that cause the turbo to give up quicker, and is it just the retarded engine timing that kills turbo when using anti lag ?
Antilag kills turbos because the retarded ignition timing means fuel doesn't ignite in the combustion chamber, instead it makes its way through onto the exhaust turbine of the turbo and ignites there due to heat. So basically the turbo gets set on fire, which is what shortens its lifespan.
27-11-2018, 12:59 PM
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ad: It was a tough call to make, but the Supercharged IS200 is being retired. ad:I have read about the BMW electric anti lag system, but as others have said that is only to prepare the turbo and not to generate any boost. If a motor does somehow generate boost and not the exhaust gas flow, then it would be an electric supercharger!
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ad: It was a tough call to make, but the Supercharged IS200 is being retired. ad:
27-11-2018, 10:58 PM
el_bandido
27-11-2018, 10:58 PM #9Wouldn't it be easier to have a gas compressor attached to the engine somewhere that can just periodically jet out a chunk of air and get the turbine spinning sooner? Could just refill once its on full boost then.
27-11-2018, 11:58 PM
Edited 09-01-2012, 09:33 AM by FirebirdPhil.
"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
FirebirdPhil
27-11-2018, 11:58 PM #10No because the turbo needs the heat from the exhaust and the gas to spin at the speeds required to compress the air. The heat is just as important as the exhaust flow.
"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
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