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petridish
Stranger
Registered: 01/15/10
Posts: 15
Last seen: 10 years, 9 months
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Light trap
#610688 - 02/26/12 03:44 PM (12 years, 1 month ago) |
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I need some advice as to how to let in air, but exclude light. I must not be searching right. Can anyone point me in the right direction?
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Stoneth
D.I.L.L.I.G.A.F.
Registered: 10/06/08
Posts: 24,971
Loc: No where ville, USA
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Re: Light trap [Re: petridish]
#610700 - 02/26/12 05:50 PM (12 years, 1 month ago) |
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So you're trying to built a dark room with ventilation and can't find anything?
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petridish
Stranger
Registered: 01/15/10
Posts: 15
Last seen: 10 years, 9 months
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Re: Light trap [Re: Stoneth]
#610701 - 02/26/12 06:23 PM (12 years, 1 month ago) |
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I want to pull air through a vent in a box and into a filter. I want to be able to turn on the lights in the room anytime I want and know that I'm not disturbing the light cycle in the box. I want the vent to let no light in and let air in.
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: Light trap [Re: petridish]
#610714 - 02/26/12 08:19 PM (12 years, 1 month ago) |
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Well you just put a couple of right angle bends in the tubing. Pretty simple. You must baffled.
-------------------- Dude she isn't as young as she use to be. -niteowl
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petridish
Stranger
Registered: 01/15/10
Posts: 15
Last seen: 10 years, 9 months
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I tried that by constructing something like a periscope without mirrors. While greatly reducing the light from a flashlight, 2, 90 degree turns didn't eliminate all light. Think I'll add another turn and try again.
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: Light trap [Re: petridish]
#610722 - 02/26/12 10:26 PM (12 years, 1 month ago) |
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Paint it black inside.
-------------------- Dude she isn't as young as she use to be. -niteowl
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