Cannabis Fact Contributed by:
Black Velvet
Cannabis Tip:September 16th, 2011
I used a Comair MX2A4 115cfm A/C fan for this project.
I bought it at Grainger (was about $30).
נI took a few sdungs of 1/4 sheeting I
had laying around and popped a 4" hole in each with a
hole saw. Most any piece of sdung wood works for this -
it doesn't have to be 1/4 inch.
נGet two 4" tab collars. Tab collars are intended to be
used on material ~3/4" in thickness - use a pair of tin
snips to extend the tab cuts. See tab1.jpg and tab2.jpg
for before/after shots. Note that the tab collar in the
photos is a 6" version - I didn't have another 4" laying
around.
נPlace the tab
collar in the 4" hole you drilled in step 1 and fold the
tabs back. Repeat for second tab collar. Use a pair of
leather work gloves when folding those tabs back - once
you cut those tabs with the snips, they become *real*
sharp.
נStack the two tab collars and the fan in the final
position, then using your drill and 3" sheet rock screws
tighten things up. The sheet rock screws will go through
that tab collar like butter, so make sure your finger
isn't lined up with that screw when you put it in!.
נAttach the inline
fan assembly to your light and exhaust ports. Note:I had
previously modified that light hood as outlined in my
sig.
All of these fans require you to buy a "pigtail". See
"Optional Accessories" below item on each page. Avail in
diff lengths and 45 or 90 degree heads, but they really
aren't optional. They avg about $1.50.
