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NGB MicroBox Modifications

I2KanGrow

Active member
Hi!

Hi!

Well, it's been a while, for sure - hasn't it?

I've been collecting parts, and "noodling" my hood and box design, I've decided to pick-up where I left this.

I'll first be focusing on my hood (Please refer to pg. 1 of this thread to learn about the beginnings of my hood!).

Here's what I've modified since my last posting:



I FINALLY figured how I wanted to mount my socket, I decided on a piece of flat, springy steel, attached to the ventpipe far enough back not to interfere with the Bake-a-Round tube. As it turns-out, a hacksaw blade really does the trick. I cut the blade in half, and screwed the pieces onto the socket (there's threads on the socket for this purpose, and the 2 holes on either end of the blade were perfect). I then very carefully bent the blade to it's desired shape - kinda shaped like a hockey stick!. Once screwed together, I put my lamp on the socket and centered everything... lamp filament in the center of the hood, entire lamp in the center of the Bake-a-Round tube. I marked where the blade would be attached to the hood, drilled & used 2 pop-rivets/side to attach it all to the inside of the 4" pipe.

I plan on swapping between MH (for veg.) and HPS (for flowering), so I wanted an easy way to do this - it's just a matter of sliding the Bake-a-Round out of the hood to gain access to the lamp & socket (2nd pic.).

The wires come out of the pipe thru a rubber grommet - I intend to use a twist-lock connector to attach to the ballast - and I intend to have a 3rd wire as a hood ground... safety first!! I'll be using 2 different ballasts, for the 2 lamps - the HPS ballast I bought was very inexpensive ($34.), but won't allow conversion to a MH ballast :cuss: Still - $70. total for both MH/HPS ballasts isn't too shabby!




I had some extra 4" pipe from the hood ends, I cut a piece of that up to use as a reflector over top of the Bake-a-round. 2 screws, some nuts and washers - and a couple of dabs of locktite round-out this assembly. I'm hoping for opinions here: I plan on painting the inside of the hood white, but was considering covering this reflector with mylar - any thoughts on this idea??




Finally - I'm thinking of putting a 4" pipe flange on the very top of the hood, to exhaust into my yet-to-be-made carbon scrubber. I'm thinking that this will also aid in cooling, even though I'm going to be drawing air thru the bake-a-round, also. I wanted to get opinions before I hack-up the hood - what do you guys think - is this a good idea????

Thanks, folks - it's really great to be back, working on this project!!!!!!
 
G

Guest

I2KanGrow said:


Finally - I'm thinking of putting a 4" pipe flange on the very top of the hood, to exhaust into my yet-to-be-made carbon scrubber. I'm thinking that this will also aid in cooling, even though I'm going to be drawing air thru the bake-a-round, also. I wanted to get opinions before I hack-up the hood - what do you guys think - is this a good idea????

This is a good idea!!! This will rid of ANY resiual heat in the box and keep humidity down good and low, which will prevent mold. IMO as long as the fans are quiet to your liking, DOOOO it. DOOit.
 
G

Guest

Oooh I haven't seen this thread for a long time.

I2Kangrow - your hood design looks really good. I figure you'll get some extra cooling on the light from the scrubber too. Nice job on the tinwork too!
 

DiscoDuck

Member
hey I2, don't know if your still hangin' around this thread but your design and fabrication are awesome. I have the "glowing hole" syndrome and I'm interested in your light trap baffles. I read at the first of the thread you were working on intake holes. I have intake holes drilled through the floor of my cab and had to use scotchbrite to block light leaks. They're a pain to clean. After seeing your drawing I thought of this:




the broken diamonds are 3/4 to 1" thick scrap wood for a pedestal. The black dots are intake holes drilled in the bottom of the cabinet. The broken rectangles are 1/2" plywood panels cut 1" smaller (length x width) than the respective chambers. Air flows through the intakes and around the floor trap, into the chamber. Thanks for the idea!
would like to know if you've completed this cabinet and would love to see some pics! Peace.
 
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