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The Terminator
Interior and Exterior Body & Chassis
Powered Hood Vent Mod - Prototype #1
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<blockquote data-quote="BLK03SVT10TH" data-source="post: 1333326" data-attributes="member: 13915"><p>Just to clarify a few things.</p><p></p><p>1. The fans are not CPU Fans, I don't know if you computer nerds know that 80mm Axial Cooling fans are used in a lot of other devices other than computers. </p><p></p><p>2. The fans I'm currently using are Standard 80mm Axial Fans, if I decide to keep this setup there are Water Proof Fans that are available, but expensive. I didn't want to invest a hugh amount of money in an experiment. Those fans can run after being in a submerged condition in up to 3 feet of water, more that enough waterproofing to survive a rain shower or car washing. </p><p></p><p>3. The fans are currently configured to blow air out from under the hood, even I had enough common sense to know I'd be fighting air pressure if I was trying to force cool are down into the hood.</p><p></p><p>4. There is nothing stopping the fans from spinning faster if the air pressure is lower outside the hood vent than under the hood. Based on your own quoted principals the fan would automatically spin faster, those are the same principals that drive the vortex of a hurricane or a tornado. The greater the air pressure difference between the high and low pressure regions the higher the air speed. Higher air speed through the vents equals higher rpm, just try spraying dust remover into your computer fan and see how fast it can really spin.</p><p></p><p>I took a little ride out to the beach and back today in 90+ Degree heat and just for the heck of it I placed a thermometer in the hood vent with the fans running. The thermometer shot up like a rocket to almost 170 Degrees. </p><p></p><p>There is definately a difference in the volume of hot air being evacuated from under the hood with the fans in place.</p></blockquote><p></p>
[QUOTE="BLK03SVT10TH, post: 1333326, member: 13915"] Just to clarify a few things. 1. The fans are not CPU Fans, I don't know if you computer nerds know that 80mm Axial Cooling fans are used in a lot of other devices other than computers. 2. The fans I'm currently using are Standard 80mm Axial Fans, if I decide to keep this setup there are Water Proof Fans that are available, but expensive. I didn't want to invest a hugh amount of money in an experiment. Those fans can run after being in a submerged condition in up to 3 feet of water, more that enough waterproofing to survive a rain shower or car washing. 3. The fans are currently configured to blow air out from under the hood, even I had enough common sense to know I'd be fighting air pressure if I was trying to force cool are down into the hood. 4. There is nothing stopping the fans from spinning faster if the air pressure is lower outside the hood vent than under the hood. Based on your own quoted principals the fan would automatically spin faster, those are the same principals that drive the vortex of a hurricane or a tornado. The greater the air pressure difference between the high and low pressure regions the higher the air speed. Higher air speed through the vents equals higher rpm, just try spraying dust remover into your computer fan and see how fast it can really spin. I took a little ride out to the beach and back today in 90+ Degree heat and just for the heck of it I placed a thermometer in the hood vent with the fans running. The thermometer shot up like a rocket to almost 170 Degrees. There is definately a difference in the volume of hot air being evacuated from under the hood with the fans in place. [/QUOTE]
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Powered Hood Vent Mod - Prototype #1
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