Air movement, How much air does a 911 fan move |
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Air movement, How much air does a 911 fan move |
914 Ranch |
Jan 4 2022, 09:25 AM
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#1
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Team Sharp where the 914 grow wings Group: Members Posts: 1,418 Joined: 29-January 16 From: TheNorth Shore Retreat. Deland Member No.: 19,611 Region Association: South East States |
There's got to be a number on that somewhere. I know that there are a few different fans but what I was thinking about is how many CFM do they move. I was just thinking about the air flow out of the back of a car. If the air exiting from the engine is so high that I can't remove it from the car that I will need to move it out through some sort of diffuser. I would like to have no air build up under the rear of the car. Speaking of exhaust I have no idea what I'm going to do for it. And all of this still will need a diffuser. The fans in the oil cooler move 3200 CFM, I am just hoping that that would be enough.
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Cracker |
Jan 15 2022, 10:04 AM
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#2
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Advanced Member Group: Members Posts: 2,148 Joined: 2-February 10 From: Atlanta (area) Member No.: 11,316 Region Association: South East States |
That car and set up would not have (or not for long) used a full diffuser under the engine. The two aluminum diffusers PMS built create a low pressure zone directly under the engine allowing the air to tumble down and behind the car.
This set-up is interesting but i do not see functional value of enclosing the lower trunk area - they created a hot-spot that wouldn't fully expel the heat. Those large aluminum units obviously replace the rubber diffusers that Porsche later added. It is always impressive to see PMS workmanship - even if it always doesn't make complete sense. PS: I thought this discussion was about the engine fan...? (IMG:style_emoticons/default/blink.gif) Cracker |
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