<VV> A Tale of Two Fans - and more

[Ron]

That;s not exactly a technically acceptable report.
RonH

----- Original Message ----- 
From: "Matt Nall" <nalllm at verizon.net>
To: <virtualvairs at corvair.org>; <jld at wk.net>
Sent: Sunday, August 05, 2007 12:05 PM
Subject: Re: <VV> A Tale of Two Fans


>I may be wrong on what FAN  I have from my Wayne 100  marine 
>conversion.....IF I ever get home I'll check and take a picture....the 
>vanes are angled?
>
> With THIS  fan  and a custom by Horning  Fiberglass shroud [ see pics at 
> the Corvair  Boat Center]  versu a Mag fan with vantes trimmed to clear 
> this shroud...
>
> AT IDLE....the difference is tremendous....
>
> The Wayne 100 engine / carbs, etc are ALL withing a compartement...ALL 
> air goes thru the fan.....
>
> The original fan makes so much PRESSURE / flow that the carbs would 
> leanout above 4000 rpm....and temps [ 2 thermisters ] would climb 
> rapidly..
>
> With the Mag fan....no problem...
>
> In comparison.... the original fan at 5500 rpm has enough force to knock 
> me back when opening the engine  cover!
>
> The Mag...just slight pressure...
>
> Note:  How did I determine the fan was causing the high head temps?
>
> When I opened the cover my ladyfriend was watching the head temps ...as I 
> picked myself off the floor next to her [ she was driving / piloting]
>
> She told me " at least the temps are going down!!"
>
> Matt Nall
> All Vairs!
> http://members.aol.com/patiomatt
> Lots of Corvair Technical info!
>
> ----- Original Message ----- 
> From: "Ron" <ronh at owt.com>
>
>> And the results you noted below agree reasonably well with the GM results 
>> on mass air flow quoted in your book, The Classic Corvair, so there 
>> really isn't much to dispute.  There also isn't enough difference between 
>> the three impellers to get excited about.
>
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