<VV> Fans....!

[Seth Emerson]

The half-speed fan kit that LeVair (Michael LeVeque) sold changed all four contact points. A larger pulley on the fan, a smaller pulley on the crank, and a modified oil filter/idler adapter that changed the mounting planes for both the alternator and the idler pulley. The changes were intended to alter the "aim" of the alternator pulley and the idler pulley to properly mate with the changed drive and driven pulleys. The kit was a competition-only kit. It does not move enough air at low engine speeds.



-----Original Message-----
From: Eric Kirven via VirtualVairs <virtualvairs at corvair.org>
To: Hugo <Hugo at aruncoaches.co.uk>; wrokit <wrokit at hotmail.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Wed, Nov 15, 2017 3:30 pm
Subject: Re: <VV> Fans....!

If you put a bigger pulley on it what happens to the geometry of the belt?
Bigger vibration damper? How would you move the idler pulley and the alternator out?
Just wondering.


Eric



-----Original Message-----
From: Hugo Miller via VirtualVairs <virtualvairs at corvair.org>
To: kevin nash <wrokit at hotmail.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Wed, Nov 15, 2017 2:31 am
Subject: Re: <VV> Fans....!

### That's what I said - put a bigger pulley on it! ;)

-----Original Message----- 
From: kevin nash via VirtualVairs
Sent: Wednesday, November 15, 2017 4:07 AM
To: virtualvairs at corvair.org
Subject: Re:  Fans....!


I just wanted to point out that I designed my fan to hopefully solve the 
unique cooling challenges involved

with turbo corvairs, and as such, the expected output is considerably higher 
than most N/A corvairs, even the hopped up ones, really need. As such, the 
best way  to set this fan up for most street cars is to run it geared down, 
probably right around 1:25:1, and it will still have more cooling than the 
stock set-up, but use dramatically less power, because of the gearing and 
much improved efficiency. So, while the good idea

of a hydraulic drive does have some serious attractive features, especially 
if it had a nice feedback/temperature management system to keep the heads at 
a constant temperature irrespective of engine rpm and load, I'm pretty 
certain that most will find that the simple old stock mule drive is going

to work quite nicely with my fan. I cant wait to get this thing and my car 
and test it for real!!

Kevin Nash
63 Turbo, port injected EFI,

currently apart



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