<VV> fanz

Jim Burkhard burkhard at rochester.rr.com
Wed Aug 3 23:30:38 EDT 2005


Jim's possibility tree with respect to this thing:

 Which of the following are true?
A. Does it supply enough airflow at idle in a hot climate to keep the engine
properly cooled?  Does the alternator supply enough power at low engine
speed to keep up with the draw?
B. Does it require a monster (heavy!) alternator which requires a lot more
hp to run than it saves from the mechanical fan?  If not, why not?  Somebody
do the math here and prove it.
C. 55A alternator?  Then it must deplete the battery during every drive.
Does voltage drop throughout a long drive?

There's NO way it provides the same (or better) airflow than the stock fan
without enormous electrical requirements. Lets see some real numbers.

Come on guys, did this come from an April issue of the Communique?  Schemes
such as these are only practical on a car that only needs to run for a short
time (think autocross or drag car).

Jim Burkhard



> -----Original Message-----
> From: virtualvairs-bounces at corvair.org 
> [mailto:virtualvairs-bounces at corvair.org] On Behalf Of 
> UltraMonzaWest at aol.com
> Sent: Monday, August 01, 2005 8:39 AM
> To: virtualvairs at corvair.org
> Subject: Re: <VV> fanz
> 
> 
> In a message dated 8/1/2005 6:15:31 AM Pacific Daylight Time, 
> pp2 at 6007.us 
> writes:
> 
> > Picture looks like a 12 or 14 blade 18" fan and and *might* 
> be able to 
> > flow
> > 
> > enough air. Cannot tell precisely which but the alternator has 
> > evidently been upgraded, possibly to a modern 105 or 120 amp unit.
> **************************************************************
> ****************
> ***
> 
> The Alt. is just a 55 amp unit!   The Fan is the "heart"...and very 
> expensive......not the normal "radiator  blower"





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