<VV> Alternate Fans?

Thu Mar 14 19:25:44 EDT 2013

 Who said I pretended it didn't exist? I thought it was a remarkable effort. With a remarkable result!

John Roberts

-----Original Message-----
From: chsadek <chsadek at comcast.net>
To: jvhroberts <jvhroberts at aol.com>
Cc: hallgrenn <hallgrenn at aol.com>; patiomatt <patiomatt at aol.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Thu, Mar 14, 2013 6:56 pm
Subject: Re: <VV> Alternate Fans?

Perhaps the Tom Knoblauch fan applies? Vertical fan. Aluminum. Similar to a Porch fan with stators... Or, since it exists and has been used successfully, why do you pretend it doesn't exist, John? Well-designed. No mule drive. 

Chuck

-----Original Message-----
From: hallgrenn <hallgrenn at aol.com>
To: jvhroberts <jvhroberts at aol.com>; patiomatt <patiomatt at aol.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Wed, Mar 13, 2013 1:17 pm
Subject: Re: <VV> Alternate Fans?

John,

All of my LMs came with one.  Even had irregular blade spacing for quieter operation.  And if they took a bit too much HP at higher than legal speeds, why I was going too fast anyway.:)

Bob

 Just a plain, really well designed fan is the answer here. Preferably without 
the mule drive...

John Roberts

-----Original Message-----
From: jvhroberts <jvhroberts at aol.com>
To: patiomatt <patiomatt at aol.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Wed, Mar 13, 2013 9:06 am
Subject: Re: <VV> Alternate Fans?

 Just a plain, really well designed fan is the answer here. Preferably without 
the mule drive...

John Roberts

-----Original Message-----
From: Matt Nall <patiomatt at aol.com>
To: virtualvairs <virtualvairs at corvair.org>
Sent: Tue, Mar 12, 2013 9:18 pm
Subject: Re: <VV> Alternate Fans?

Wouldn't a clutch fan work better ?
It would only catch when the fan speed is less than the belt speed and 
would free wheel on deceleration...

Just a thought
Rodney Sampson
HACOA

=============================================================================

 Rodney....  common "clutch fans" do not work that way....  three common types

1  Cheap...centrifugal...  clutch releases at higher  rpm...  as when car is 
going 20 mph  or more....  not good for trucks / large cars....  they will allow 

overheating on hills.

2  Thermo  ... these are the normal....  only engage when the AIR going thru 
them reaches a set temp..IE  180f   Our fans PUSH COOL AIR

3  Electro-mechanical      Too big and bulky...

  Several years ago...  We tested an "Over-running clutch"  allowing the fan to 
freewheel  during downshifts /engine decel...

Sadly way too expensive... but worked fine..

Matt Nall
Charleston, Oregon
http://tinyurl.com/The-Corvair-Patio

http://tinyurl.com/Matts-Tech-Pages

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