<VV> testing Tom's cooling system

[Ron]

Why not just install a new Honda Civic engine in it?
RonH

----- Original Message ----- 
From: "Padgett" <pp2 at 6007.us>
To: <virtualvairs at corvair.org>
Sent: Wednesday, August 10, 2005 6:18 PM
Subject: <VV> testing Tom's cooling system


>
>>The casual Corvair user is led to believe that the stock system is somehow 
>>defective while it is not, that an electric fan would be superior, etc., 
>>and, in my opinion, the magnesium fan is very sufficient for street and 
>>highway use.
>
> Not at all, just if it is using 6 hp to go 70 mph just to drive the fan, I 
> sense an opportunity. I have a passion for competition automotive in any 
> shape or form so long as there is a sporting chance at winning. Before I 
> was old enough for an SCCA competition license, this took the form of 
> rallys, autocrosses, and economy runs. This last could bear a bit of 
> expansion in two vingettes:
> 1) Did you know that if an economy run is measured in ton-miles per 
> gallon, little can beat a cement truck
> 2) Have a first place trophy from one of the Federal Energy Authority 
> (forerunner of DOE) "Fuel Economy Challenge" event that the film version 
> showed being won by a family in a station wagon because they did not feel 
> that my wife and I in a Buick Electra 225 gave the proper image.
>
> Consequently when I hear things like "under 20 mpg typical" , 3500 rpm at 
> 70, premium gas required, and 6 hp for the fan alone from a 164 cid engine 
> when our 231 CID *van* gets almost 25 on a 1,000 mile interstate run in 
> the left lane (and not holding anyone up) and not driving for economy on 
> 87, I think wellll.
>
> The issue is that my itch says that a Corvair should get 30+ mpg on 
> regular gas and one of the first issues is that to move the necessary air 
> should require less than 2 hp, 2.5 with losses. So when I hear that an 
> electric fan pulling 20 amps at 12v is working, that sounds about right.
>
> Next issue is that 3500 rpm at 70 which is at least 1,000 rpm too high is 
> another so I am going to do some playing there, with tires initially, once 
> I have a car. Reinforcing that is the note that the 3.08 ratio was 
> developed for the Pure Oil trials. For this, after studying the torque 
> curves in Bob's book (yes, I do buy books - has nothing to do with my 
> posting on the web) it appears that the 110 hp engine is best suited for 
> this.
>
> Not at all sure where this is going to wind up but will note that the 
> 2.8/3.1 Chev 6 cyl used in cars in the 80s (just got out of Fieros) 
> produces almost identical torque (170 lb-ft ) and gave 30 mpg. True carbs 
> are "poorly controlled leaks" but with the right tools can do quite a bit 
> there also.
>
> With gas passing $2.50/gallon, I suspect a few might be interested. Did 
> IECO make a single carb manifold for the dual carb engines ? Anyone have 
> one they could spare ?
>
> Padgett
>
>
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