Simple Centrifuge
Clean waste vegetable oil (WVO), bio diesel, lube oils, and even hydraulic oil in your garage
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Photo Gallery - This gallery represents the work over several years. Some designs have been replaced and/or updated as time progressed. Most images contain a date stamp visable on the large version. Please note the date when viewing. We are always experimenting with new concepts and designs. If you have any questions about any photo please contact us.
Total photos in gallery 1081 - Latest photo update 2013/05/10 10:19:28
Asterisk(*) indicates new photos in the past 30 days
Adapter 56C to 56J ( 15 )
Algae Recovery ( 42 * )
Bacterial fermentation ( 1 )
Balancer Mandrels ( 8 * )
Bearing replacement ( 23 )
Botry Culture ( 2 )
Building a gantry ( 16 )
Chestnut Extract ( 9 )
Coconut Oil ( 8 )
Construction ( 43 )
Contaminated diesel ( 2 )
Craig's Machine ( 31 )
Custom motor shaft ( 23 )
Experimental Motor ( 19 )
Explosion proof motor ( 3 )
Feed Cone ( 29 )
Foundry ( 5 )
Foundry 2 ( 18 )
Gear pump ( 2 )
Grinding fluid ( 19 )
Grinding fluid 2 ( 14 )
Heaters ( 9 )
History ( 11 )
Homemade Diesel ( 7 )
Homemade diesel 2 ( 41 )
Homemade Diesel 3 ( 15 )
How it works ( 3 )
Keyless Bushing ( 11 )
Lab Centrifuge ( 16 )
Lab Centrifuge 2 ( 18 )
Lock motor shaft ( 6 )
Magnesol removal ( 6 )
Microwave heater ( 7 )
Misc. Mods ( 4 )
Mitsubishi 4x4 on WMO ( 10 )
New Feed Tube ( 7 )
New Rotor 2013 ( 24 * )
New rotor design ( 16 )
Oil and Contaminants ( 37 )
Oil Skimmer ( 8 )
Our Shop ( 37 )
Peristaltic Pump ( 29 )
Renderings ( 8 )
Retrofit rotor for WVOD ( 17 )
Rework Mount ( 10 )
Rotor fins ( 22 )
Seal ( 5 )
Sea Weed ( 4 * )
Sediment removal ( 16 )
See thru lid - Building ( 16 )
See thru lid - Testing ( 28 )
Tanks ( 9 )
Tanks - Complete System ( 13 )
Tap drain ( 10 )
Tests by fuelfarmer ( 22 )
Turn key machine ( 38 )
Two part rotor ( 30 )
Ultrasonic filter cleaning ( 8 )
Updates ( 26 )
Users Machines ( 34 )
Vacuum pickup ( 3 )
VW on WMO ( 7 )
Water trap ( 5 )
Wine Clarification ( 4 )
WVO Heat Tests ( 7 )
WVO Tests ( 14 )
 Rotor fins
I have wanted to make some fins to put in the centrifuge for a long time. With this experimental clear lid, I REALLY wanted to see the action. I spent the day building this prototype.
I used this prototype while collecting algae in an attempt to boost it's performance.
It is really cold in the shop. The liquid shortening is super thick. I started by whacking out the basic shape on the plasma cutter. I trued up the hole with a chucking reamer.
It is really cold in the shop. The liquid shortening is super thick. I started by whacking out the basic shape on the plasma cutter. I trued up the hole with a chucking reamer.
I put the disk in a slitting saw holder. Not ideal but it was quick. Truing up the outside diameter. This is the finished od. I used the electric sander to quickly bevel the od to match the radius of the rotor.
I put the disk in a slitting saw holder. Not ideal but it was quick. Truing up the outside diameter. This is the finished od. I used the electric sander to quickly bevel the od to match the radius of the rotor.
Bored the id to size. I folded some fins on the vise. I still had the mdf setup from the other day. I pre-drilled it for the wood screws.
Bored the id to size. I folded some fins on the vise. I still had the mdf setup from the other day. I pre-drilled it for the wood screws.
I screwed the disc down and counter sunk the holes for the fins. Tapping for the machine screws. This is the first fin installed. Five more to go.
I screwed the disc down and counter sunk the holes for the fins. Tapping for the machine screws. This is the first fin installed. Five more to go.
From the underside. All the fins installed. These are the fins installed in the rotor.
From the underside. All the fins installed. These are the fins installed in the rotor.
The fins appear to be separating the hydrogenated portion of the oil. Normally you have to go real slow for this but not now. I'm feeding fast and the oil clears right up. This is after adding a 50% colored water and oil sample quickly. The oil didn't cloud much and quickly cleared. You can see how clear the oil is. Nothing like the thick mess I fed in. Note the thing colored water layer.
The fins appear to be separating the hydrogenated portion of the oil. Normally you have to go real slow for this but not now. I'm feeding fast and the oil clears right up. This is after adding a 50% colored water and oil sample quickly. The oil didn't cloud much and quickly cleared. You can see how clear the oil is. Nothing like the thick mess I fed in. Note the thing colored water layer.
I decided to add this creamy oil as fast as the funnel could feed it. This is after adding about a quart. About 30 seconds later.
I decided to add this creamy oil as fast as the funnel could feed it. This is after adding about a quart. About 30 seconds later.
About a minute later.    
About a minute later.    
Numeric Control, LLC
PO Box 916
Morton, WA 98356