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Air-cooled hoods, push or pull bulb heat?
... hoods, push or pull bulb heat? - Page 2 My test showed MY fans to be about 12-15% more efficient at pulling. ... outside the room at floor level. It goes through the light, past the bulb and then through the fan which is 6" away from the exhaust which is at ...
http://www.rollitup.org/grow-room-design-setup/150063-air-cooled-hoods-push-pull-2.html
Air-cooled hoods, push or pull bulb heat?
... fan. depends on situation and fan...doesnt really matter But if they had the same cfm SP push and push would be better because you would have more air molecules around the light ... quot; the air thru all the duct and hoods the air is more prone to getting & ...
http://www.rollitup.org/grow-room-design-setup/150063-air-cooled-hoods-push-pull.html
wind powered, rotating, dual HID lights, DIY
... safer ways to accomplish light movement,take 2 peices of pvc pipe & connect them loosely with a nut & bolt making a pivot joint,then connect one end to an oscalating fan & the other to the light hood,all movement would be ... idea man. My 400w has an open hood which catches the wind from the fan and swings it back and forth eliminating the need for a light rack haha that's kewl. in truth, the light only needs to move a few degrees to ...
http://www.rollitup.org/grow-room-design-setup/155955-wind-powered-rotating-dual-hid-4.html
air vented hood?
... hood? Hi there thank you for reading! Well i have a 250w hydrofarm light system. This light was getting to hot for my ... from my 250 watt HPS with no cooling whatsoever, just a fan blowing on the canopy/bulb. Yeah going with an air cooled ...
http://www.rollitup.org/grow-room-design-setup/175188-air-vented-hood.html
Question about my light.
... lights are gerneral purpose lights. They will work but for the best results you should use bulbs that are built for growing plants. 2.) If your asking how to vent your hood ...
http://www.rollitup.org/grow-room-design-setup/177671-question-about-my-light.html
one fan two tents and a carbon filter can it work?? ++rep for help
... lights with cooling air passing through them and the system you are talking about is only for fresh air it should work at least fairly well the way you are talking about doing it. Here is an option. Mount the fan in a box. Hood up the exit fan so ...
http://www.rollitup.org/grow-room-design-setup/187076-one-fan-two-tents-carbon.html
How to hook up fan to cool reflector *pics*
... I think you should hang the fan as close to the light as possible and ... fan. Get a good inline fan and an air cooled reflector and you will be able to achieve what you are looking to do. Right now, there is no way to "air cool" your hood ...
http://www.rollitup.org/grow-room-design-setup/191151-how-hook-up-fan-cool.html
Quick Exhaust Fan Question
... hood but no fan for exhausting the heat buildup. I've been going back and forth between a 6' Can Fan with 270 cfm or a 6' GrowBright fan with 424 cfm The Can Fan costs $200 while the GrowBright fan ... 50 bucks. nice man. thats a growbright fan right? what light do you have in the tent? Did ...
http://www.rollitup.org/grow-room-design-setup/198820-quick-exhaust-fan-question.html
Inline fans, push or pull air?
... or with carbon scrubber attatched always had Filter->>Fan->>Tube/Hood->>out the room, i run my carbon filter seperate from the colling system, and i run several lights inline, i always prefer fresh air>>hood>>exhaust out....in these setups we arent totally ... or with carbon scrubber attatched always had Filter->>Fan->>Tube/Hood->>out the room, i run my carbon filter seperate from the colling system, and i run several lights inline, i always prefer fresh air>>hood>>exhaust out....in these setups we arent totally ...
http://www.rollitup.org/grow-room-design-setup/199672-inline-fans-push-pull-air-3.html
Inline fans, push or pull air?
... is inside the hood and your goal is to get that heat out of the room. If you have a duct that starts outside the room pref in a cool area and then run to your fan and through your lights and then ... cool air to the lights) and the other way around the "strong" flow would be better at pulling the heat out with the flow of cool air directly to the hood being somewhat reduced seeing how the fan is farther away ...
http://www.rollitup.org/grow-room-design-setup/199672-inline-fans-push-pull-air.html

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