12V Mini Cyclone Vacuum - Radial Fan

thingiverse

A modified design for a PC heatsink/fan unit is remixed to fit a radial fan. Two holes with a 100mm diameter between centers are added diagonally opposite each other. A shorter funnel connects the cyclone and dust collector, reducing the overall height of the vacuum unit. The fall angle of this funnel matches the original, so it shouldn't impact dust collection. **UPDATE 2017-12-30**: STLs fit the radial fan perfectly. Now, I need to adjust the flanges so they don't overhang where unnecessary and reduce support material needed. Also, change the dust collector funnel to use a standard hole saw size for the dust collector. Unfortunately, my vacuum cleaner assembly works fine but testing reveals that my 90mm radial fan from an Acer desktop PC has a "soft-start/blockage-detection" circuit. It reduces power as it detects increased fan load and dials down from 2.5A to 0.5A when assembled. In some cases, it turns off completely. If I can't bypass this inbuilt circuit, I'll need to remix the vac using powerful 120mm axial fans from an old Sun workstation.