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post #349 of (permalink) Old 07-22-2018, 05:25 PM - Thread Starter
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Back Side Tubing Complete – Again

I finished up the tubing for the back side again. Last time was with fittings, this time with bends. I saved the hardest tube for last!
Here’s looking back when I was using all fittings. The tube I’ll be bending here is the feed tube from the reservoirs to the pumps.

It needs two 90° bends close to the pump that are too close together to make as separate bends, so I made a jig out of a block of pine I had laying around. I cut two 5/8” rabbit cuts on each end, then used a file to round the corners.

The block was not quite thick enough, so I added a stack of index cards to one side and spread them out to match the curve, and then taped them to the block.

This was a practice piece. I need to heat the tube, bend it around the first 90° bend and down over the block to make the second bend all at one time.

Here you can see I have that double bend finished on the right. Now for the second tricky part, getting this 90° bend just the right distance from the other end. I used the pencil lines on the right to line up the right side. Also notice I use the other mandrels in the kit to hold the tubing in place while it cools. This keeps your fingers and thumbs from leaving any marks or indentations in the tubing.

Before I did this tube, I redid the return line tubing going from the flow meter to the reservoirs. It had a very slight slope downwards on the horizontal area before the bend. You could hardly notice it, but I had to redo it. I got a perfect 90° bend this time, and I also made it about 2mm longer on the vertical length. It’s really good now!

Here’s a closer look at the tube I just bent up. It took awhile to get the lengths just right, but I am happy with how it came out

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(14 items)
Secondary Rig
(13 items)
Asus Rampage Extreme VI
2x EVGA 2080Ti XC Gaming
G.Skill TridentZ Royal 32GB 3600 16-16-16-36
Hard Drive
Intel Optane SSD 480GB
Hard Drive
Samsung 850 EVO 2TB
Hard Drive
2x Seagate Iron Wolf Pro 12TB
Power Supply
EVGA SuperNOVA 1600 T2
Hardware Labs Black Ice SR2 Radiators 4x 560mm + 2x 280mm
Aquacomputer Aquaero XT + Aquaero LT
2x Aquacomputer D5s with custom chrome plated Bitspower mod kits
2x Aquacomputer Aqualis 880ml Reservoirs with Nano Coating & Aquabus Interface
CaseLabs THW10 with Custom Powder Coating
Operating System
Windows 10 Pro
Intel Core i7-4790K
Asus Maximus Extreme VI
EVGA GTX 980 ti Classified
G.SKILL Trident X Series 32GB (4 x 8GB) DDR3 2400
Hard Drive
Samsung 850 Pro 500GB
Hard Drive
Seagate Desktop HDD 4TB
Power Supply
EVGA SuperNOVA 1300 G2
EK 420 Rad + EK 280 Rad
Corsair 750D
Operating System
Microsoft Windows 10 Pro 64-bit
Acer XB271HU
Microsofte Natural Ergonomic 4000
Logitech G502
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