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The Water Cooler
General Discussion
Welding hood with a fan
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<blockquote data-quote="NightShade" data-source="post: 3134013" data-attributes="member: 29706"><p>Even easier get a 40 cm fan and a 9v battery with one of the little clips to connect to it. Most pc fans will run just fine on 9v if just a little slower. If you want something that moves a ton of air get something like <a href="https://www.ebay.com/itm/Supermicro-FAN-0087L4-40x56-4-Pin-PWM-Fan-for-1U-Server-SC512F-SC811-MM2/352368249802?hash=item520ac8cbca:g:ycwAAOSwlzZbDvpp" target="_blank">https://www.ebay.com/itm/Supermicro-FAN-0087L4-40x56-4-Pin-PWM-Fan-for-1U-Server-SC512F-SC811-MM2/352368249802?hash=item520ac8cbca:g:ycwAAOSwlzZbDvpp</a> The fans are designed to spin up to around 12k RPM and there are two that are counter rotating. 7 of them fit in a 1U server and can move something like 16 cfm even with head pressure.</p></blockquote><p></p>
[QUOTE="NightShade, post: 3134013, member: 29706"] Even easier get a 40 cm fan and a 9v battery with one of the little clips to connect to it. Most pc fans will run just fine on 9v if just a little slower. If you want something that moves a ton of air get something like [URL]https://www.ebay.com/itm/Supermicro-FAN-0087L4-40x56-4-Pin-PWM-Fan-for-1U-Server-SC512F-SC811-MM2/352368249802?hash=item520ac8cbca:g:ycwAAOSwlzZbDvpp[/URL] The fans are designed to spin up to around 12k RPM and there are two that are counter rotating. 7 of them fit in a 1U server and can move something like 16 cfm even with head pressure. [/QUOTE]
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