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Old 6th November 2011, 00:41   #46
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Default Re: The Turbonator - is this thing for real?

Originally Posted by vikram_d View Post
You revived a three year old thread for nothing. It does not work.
For an electric supercharger to work effectively even for moderate boost, it would need between 150 and 300 amps of current depending on the engine capacity.

A typical starter motor takes about 100 to 150 amps of current. So an electric supercharger would be like 2 starter motors running all the time.

To provide the current for such a charger and charge the battery and power other electric equipment, the alternator should be not less than 250 to 350 amps capacity.

Well some simple math will tell you that this actually translates into 30kW to 42 kW. That's one HUGE alternator to have in a car - probable bigger than the engine itself !

There have been some technically succesful implementations, but these are typically used to prevent the lag of a regular turbocharger and will typically be on for a few seconds before handing over the job of boosting to a regular turbocharger.

In an electric supercharger, you actually end up doing the following:

Crank power --> alternator --> electric power --> charge battery --> run supercharger motor --> power a fan forcing air into the engine.

In a mechanically coupled supercharger, you do the following:

Crank power --> run a fan forcing air into the engine.

In a turbocharger system you end up with:

Waste energy in exhaust --> spin turbine --> run a fan forcing air into the engine.

It does not require rocket science to tell you what will work and what will not (and also tell you which is an efficient way to fo it) !

The supercharger will give power from lower rpms and is free of the turbo lag.

However, there are examples of technically succesful electric superchargers which give boost until the turbo kicks in (a few seconds). These installations always will have a regular turbocharger in addition to an electric supercharger.

Regds !
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Old 7th November 2011, 12:24   #47
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Default Re: The Turbonator - is this thing for real?

Originally Posted by drifter View Post
hehe my thoughts not exact but similar

hehe.. maybe can give us the 'dosra' edge , else it can be just a 'googly'

But it's a good marketing job , definitely agree.
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