Orac³

Previous instalments:
Orac³ Part 1
Orac³ Part 2
Orac³ Part 3


Part 4 - From Hard-Drive Rack to Pump Mods

Welcome to Part 4 in the series of articles covering the ORAC³ project. Here you will see me beginning what I would call the final stages of the project. This is where the modding of practically every part becomes dependent on the modding of another part, as they all have to fit together like a big 3D Jigsaw Puzzle with space fast running out.

In this article I'll only be covering the parts of this '3D Jigsaw' I have completely finished at the time of writing. There are more, but they will have to wait until a later article. What you are seeing here is just the tip of the iceberg...

Anyway, some of what I managed to achieve since the work done in Orac³ Part 3 ...

Orac³ Part 4 Introduction
Hard-drive rack, installed with 4 SATA Drives for some RAID 0+1 goodness. It's mounted behind the radiator fan for nice cooling airflow over the drives. Note the shower hose fittings when plugged in. Say goodbye to boring plugs...

Orac³ Part 4 Introduction Orac³ Part 4 Introduction
The rack slides sideways off the base when the green acrylic locking piece is removed. The close-up of the base shows the stainless steel bolts holding the rack to the 1" Lexan blocks. The bolts run through anti-vibration rubber grommets and are secured with recessed nyloc nuts.

Orac³ Part 4 Introduction
The locking piece bolts on with stainless steel dome nuts and washers and rests against a rubber moulding strip. The whole hard drive assembly is completely insulated from the rest of the case with the only points of contact being the rubber grommets.

Orac³ Part 4 Introduction Orac³ Part 4 Introduction
This is an Eheim 1250 pump modded to fit into a housing for an Eheim 1048. A bit like shoving a V8 into the wife's little Toyota. The pump has been vinyl dyed, stripped, cut, filed and padded with rubber. The housing has been ground, drilled, chromed and tapped, the brass ½" barbs have been chromed along with stainless steel round-head socket screws added along with re-wiring the power cable into another shower hose and fitting.

Orac³ Part 4 Introduction

A HUGE thank you has to go out at this point to Pug from Wizard Designs for donating the 1048 housing for this project and taking the time and trouble to send me photos and information on it. These, and his truly excellent feedback and advice, were a great help. More on that later...

Orac³ Part 4 Introduction
The pump mounted in the case. To allow clearance for the PCI Cards, I mounted the pump so it overhangs the floor of the case by 6mm. I will be cutting a hole in the side-panel of the case to accommodate it and the end result will have the chrome side of the pump sitting flush with the side-panel. Should look fairly cool.

Orac³ Part 4 Introduction
To add a little more interest to the right-hand side of the case I installed a neon green acrylic panel fixed to the inside with stainless steel screws.

Orac³ Part 4 Introduction
I was happiest with the HDD rack though - stolen originally from my Lian Li PC65. I'm now eyeing off other parts of it...

As usual there was a lot of work in even the simple-seeming parts. So, just what was actually involved in modding these? Let's find out...
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