You guys are way overthinking this! As Kas stated, Mercedes has a motor
hooked up to the turbo that produces energy when not boosting the engine and
then pulls the energy from the battery to spool up the turbo when
accelerating, then eliminating the lag.
Charly Mitchel
----- Original Message -----
From: "Randall" <TR3driver@ca.rr.com>
To: "'FOT'" <fot@autox.team.net>
Sent: Monday, June 30, 2014 9:11 PM
Subject: Re: [Fot] Turbocharger
>> Why can't someone design a system whereby the turbo unit is
>> used to charge a
>> reservoir that would in turn send pressurized air to the fuel
>> system on
>> demand?
>
> In addition to the objections already raised, you'd need a huge reservoir,
> and you'd have to have an oversized turbo to fill it,
> which would cut into engine power.
>
>> That way, there is no turbo lag. The waste gate on
>> the turbo would
>> still be used to keep the thing from over-charging the reservoir.
>
> The "hot setup" would be a variable nozzle turbo, with a microprocessor to
> adjust the nozzle size according to conditions. For good
> off-the-line performance, a small nozzle will accelerate the turbo spool
> much faster; while a larger nozzle reduces backpressure for
> better performance at high rpm. Such things do exist, but tend to be
> expensive and trouble-prone. ISTR that Porsche 911 used them
> for a few years, as well as others.
>
> Here's some advertising material on the concept:
> http://www.blaylock-turbo.com/switchbladeturbo.asp
>
> Randall
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