At 01:22 PM 7/1/97 -0400, Isensee@aol.com wrote:
>John, I am not sure I follow your logic that a front mounted fan would
>block air flow more than a rear mounted one. It seems to me that all the
>air which goes in one side must come out the other so blockage on either
>face has the same effect.
>
Scott, I really don't have any proof. But as you point out "I notice most
cars use pulling fans" there must be a reason.
Greg Momfort makes a good point about having the fan in front to cool its
motor. However, The electric fans in my 84 Accord are original and still
going strong.
This would indeed be and interesting subject for some testing and an
article. Any takers?
John
>It is an interesting question whether an electric fan will block a
>significant amount of air. The fan blades should just spin in the breeze when
>the car is moving, but probably still block some air flow, the motor and
>shroud will definitely block some air, and any brackets I make to hold it
>will too. When the electric fan comes on, it should make up for all that, but
>it will make the standard fan less efficient before that.
>
>Air flow under the hood can be complex. I have an Avanti and just putting a
>front license plate on it raises the temperature several degrees.
>
>Pugs, It seems to me that pushing and pulling fans should be equivalent, but
>I don't have any real knowledge of this area. I notice most cars use pulling
>fans.
>
>Scott
>
>
John T. Blair WA4OHZ email: jblair@exis.net
Va. Beach, Va Phone: (757) 495-8229
48 TR1800 48 #4 Midget 65 Morgan 4/4 Series V
75 Bricklin SV1 77 Spitfire
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