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Lets build a SCROG !


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#1 Dan Dare

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Posted 16 January 2010 - 11:35 AM

I'm piecing together SCROG module #3, and this time I'll detail how I put it all together, all dimensions included. This SCROG has yielded over 35 oz and less than 30 oz is rare for a well managed grow.

My earlier SCROG thread is here:
http://mycotopia.net...rog-thread.html

The wood used is 3.8 cm by 1.9 cm, which is used for building the tent platform, the header tank platform and the SCROG screen frame.

The final product will look something like this:
completed scrog.JPG

The grow tent used is 165 cm width, 160 cm height, and 65 cm depth. Ideal for an easy to manage SCROG.
The tent platform:
plant images 004.jpg

The center point on the 6 cross sections are marked (on the 168 cm lengths at approx 33.6 cm increments) at 0.9 cm, 33.6 cm, 67.5 cm, 101.5 cm, 134.5 cm & 167.5.
Alternatively, from left to right, the first edge of the cross sections are:
0, 33.2, 66.4, 99.6, 132.8 and 166.1.

The vertical supports (6) are comprised of a centered 22.4 cm length screwed onto a 30 cm length (3.8 cm free at each end). All holes are predrilled, and then wood screws are screwed in place.

Base dimensions are 168 cm by 67.8 cm.
Comprised of:
12 * 30 cm
6 * 22.4 cm
12 * 64 cm
4 * 168 cm

The header tank platform:
plant images 006.jpg

Comprised of:
6 * 32 cm
7 * 48 cm
1 * 40.4 cm
4 * 68 cm

Each platform is covered with panel board (used for wardrobes, drawers, etc), available from any decent hardware outlet.

I'll update this thread as the assembly continues.

Attached Thumbnails

  • plant images 006.jpg
  • plant images 005.jpg
  • plant images 004.jpg
  • plant images 003.jpg
  • completed scrog.JPG
  • plant images 001.jpg
  • plant images 002.jpg
  • plant images 005.jpg
  • plant images 003.jpg
  • plant images 002.jpg
  • plant images 001.jpg

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#2 Dan Dare

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Posted 16 January 2010 - 11:52 AM

Screen:
screen and blower 006.jpg

Dimensions are:
3 * 61 cm
2 * 160 cm
8 * (3.8 * 3.8 squares)

The 1.9 cm * 1.9 cm gap in the corners will exactly match the vertical tubular supports on the grow tent, maximizing the available screen area.

The U-tacks (for the screen twine) are spaced 6 cm apart.

Blower:
screen and blower 003.jpg

Attached Thumbnails

  • screen and blower 005.jpg
  • screen and blower 006.jpg
  • screen and blower 004.jpg
  • screen and blower 003.jpg
  • screen and blower 001.jpg
  • screen and blower 004.jpg
  • screen and blower 005.jpg
  • screen and blower 001.jpg


#3 Deus Irae

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Posted 16 January 2010 - 11:53 AM

That's a very nice set up. Good write up too.

#4 prism

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Posted 16 January 2010 - 12:10 PM

Badass!! thanks for the great writeup too!!:bow:

#5 tenjin

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Posted 16 January 2010 - 12:16 PM

This is awesome DD! :bow: like how the outside tent looks and nice write up on the construction of what goes in it.

#6 WarezHaxor

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Posted 16 January 2010 - 12:40 PM

Those tents are definitely a savior if you dont have the right size space, personally, I remodeled a closet, doubling the space, giving me enough room for 50 5 gallon buckets on the floor with space enough for me and another person to walk into and in between each bucket and such. But I used to have one of those tents before I moved into the remodeled closet. Nice writeup though, definitely useful to those who dont have a good understanding of SCroGs.

#7 Dan Dare

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Posted 16 January 2010 - 01:01 PM

Thanks for the comments fellas !

It'll take a little while to get everything uploaded, but the sections to follow are (in no particular order):
plumbing
screen fitting
lighting, wiring
DWC bubblers, air pumps
exhaust ventilation

and finally, sensi star clones !

The tubing is 15mm OD.
Plumbing:
screen and blower 002.jpg

screen and blower 003.jpg

From left to right,
12.6 cm, valve, 6.6 cm, elbow, 12.6 cm, elbow, 19.6 cm, t-piece, 7.6 cm, 38.6 cm, 25.1 cm (vertical tube, w/hose attached), 38.6 cm, elbow and 7.6 cm.

These dimensions exclude the 2 mm extension from the end inserts (4 mm per tube). By measuring and cutting each tube precisely as detailed above, the dimensions will fit exactly.

insert.jpg

To be continued..

Attached Thumbnails

  • insert.jpg
  • screen and blower 002.jpg
  • screen and blower 003.jpg
  • screen and blower 001.jpg
  • screen and blower 001.jpg

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#8 roc

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Posted 16 January 2010 - 01:13 PM

Pulling up a chair...

#9 demetrius shardson

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Posted 16 January 2010 - 02:06 PM

i was hoping you would write this up. thank you DD loooove your grows bro
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#10 kcmoxtractor

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Posted 16 January 2010 - 02:42 PM

Very nice man, I'm getting ready to build a screen for my russian, and this helps immensely!

#11 Dan Dare

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Posted 16 January 2010 - 03:59 PM

Very nice man, I'm getting ready to build a screen for my russian, and this helps immensely!


Good to see you again bro !
As for the screen, a good way I've found to assemble it is to hammer the U-tacks in just enough to hold some tension in the twine. Feed through the twine, and once the screen has been assembled, pull it tight as you can, and tie it off tight as you can. Then, hammer the U-tacks flush with the wood, this then stretches and tightens the twine to a threshold close to that of a tennis racket.

#12 Manofmanyhats

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Posted 18 January 2010 - 01:27 AM

The tricks of a SCROG jedi, very sweet thread.:headbang:
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#13 Jaspmf

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Posted 18 January 2010 - 02:47 AM

Hellls yeah dan, way cool of you to share!

I'ma be movin next month, and a tent setup is in the works..so this should be mighty helpful.

Whadda you do for ventilation? I understand that you use an inline, but does it just vent to the room? Or you go out a window err what?

Guess that's my biggest snag (that I foresee anyways)

Cheers fella!

#14 Dan Dare

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Posted 18 January 2010 - 01:08 PM

Thanks for stopping by guys !!


I'ma be movin next month, and a tent setup is in the works..so this should be mighty helpful.

Whadda you do for ventilation? I understand that you use an inline, but does it just vent to the room? Or you go out a window err what?

Hey man !
the airflow discharges out the top of the tent and into the room, but no photos of the outlet yet.
HYDRO%20SCROG%20002.jpg
The image on the left is somewhat dated, as all my tents now use 2 lamps instead of 1.
No odours, and helps keep the room nice and warm at this time of year !
I should get some time soon to continue with the install (and take more photos!), but it might be a few days yet.

Attached Thumbnails

  • grow_images_008.JPG


#15 Jaspmf

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Posted 18 January 2010 - 05:18 PM

Right on DD.

Don't you find that the room gets pretty hot?
My 270 watter will bring the temp up to near 80 in my wee lil bedroom.
Guess that's why they invented windows :D
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#16 zodd

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Posted 18 January 2010 - 05:29 PM

a scrog aye. i clicked on the link and am very impressed with with design idea. hope you dont mind me siting in on this as some day in the depressingly distant future i hope to try my hand to bud cultivation.

awesome write up btw.

#17 Dan Dare

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Posted 19 January 2010 - 12:36 PM

Assembling the DWC bubblers (with 5" net pots):
pics 002.jpg
The air lines are connected to a 12" air hose inside each tank.

Header tank:
pics 003.jpg

Assembling the top rod supports:
pics 006.jpg

Suspending the screen:
The knot used here is the "hangman's noose" knot with at least 6 loops, its excellent for adjusting the height of the screen as required. It can be pulled very tight, and will easily hold the weight of the screen without slipping. Only the bottom "noose" is used to adjust the height of the screen, the other end (not shown) is simply tied to the tubular frame at the top.
From this link, scroll down to the "hangman's knot"
http://www.realknots...knots/noose.htm

pics 007.jpg
Tightened knot
pics 008.jpg

Screen in place
pics 010.jpg

20 min to attach the twine, tie the knots and suspend the screen.

Attached Thumbnails

  • pics 009.jpg
  • pics 004.jpg
  • pics 005.jpg
  • pics 001.jpg


#18 Dan Dare

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Posted 19 January 2010 - 01:17 PM

Don't you find that the room gets pretty hot?
My 270 watter will bring the temp up to near 80 in my wee lil bedroom.
Guess that's why they invented windows :D


Hey mate,
I wish it would, this house is freezing at this time of year over here in *cough* sunny *cough* England. I can't wait for the 3rd tent to be commissioned and operational to heat this place up. Summer can be a bit of an issue with more than 3 tents, but as you say - open windows work like a charm !
Room doors must be ajar though, otherwise the rooms will get quite warm.

#19 Jaspmf

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Posted 22 January 2010 - 01:20 PM

Righton DD, I hear ya bro.

Yeah, I'm in "England" too. It's great over here innit :amazed:

I kinda feel like venting to room is actually safer as far as bustrisk goes anyways...from what I've read/seen video about the FLIR chopperbastards, they almost always find grow houses based on the exhaust.

:rasta:

#20 Dan Dare

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Posted 25 January 2010 - 10:53 AM

Continuing with the assembly..
pics 003.jpg
pics 005.jpg

Lighting is 400W & 600W.

Not far to go before its finished.

Attached Thumbnails

  • pics 002.jpg
  • pics 004.jpg
  • pics 001.jpg





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