<VV> Electric cooling fan results

[Tony Underwood]

At 01:06 PM 7/31/2007, J R Read_HML wrote:
>No again...
>
>The mag fan was introduced because of too many thrown belt complaints.


Uh...  I mentioned that.


>Later, JR
>>
>>
>>No, the mag fan was introduced because it was cheaper.   I'd wager 
>>the '62-63 fan is better at moving air than the mag fan although it 
>>remains much heavier and more expensive to produce.
>>
>>
>>That mag fan is a simple casting that has NO attention paid to 
>>aerodynamics or efficient air flow.  The only thing it does is beat 
>>out a more efficient fan in manufacturing costs and less weight, 
>>which means belts will stay on better, both factors more important 
>>to GM...  efficient cooling is a lesser matter when money is 
>>concerned, when the mag fan would be "good enough".


And I still say it was also cheaper and simpler to make.   THIS was 
as much a factor as the light weight that helped keep belts on the pulleys.



tony..