| Biodiesel is a fuel that is friendly to the environment | | | | mixer. You can do this by attaching one pulley to the |
| and can easily be made in your own home using | | | | rolled steel rod, and then attach the other pulley to |
| everyday things like waste vegetable oil as your main | | | | the spindle of the electric motor. A propeller has to |
| ingredient. The great thing about biodiesel is that you | | | | be welded to the other end of the rolled steel rod. |
| only need three simple ingredients to make it. All you | | | | Cheap shelf brackets can be used as propellers. |
| really need is methanol, new or used oil, and lye. | | | | Attach the rod, pulley and propeller assembly to one |
| This is how to build your processor. First of all, you | | | | side of the hinge. This will allow you to be able to |
| have to set up the drum by cutting a large hole in | | | | move the mixer in future when necessary. Ok, |
| the top of a steel drum. You then drill a hole about | | | | across the top of the drum, weld a piece of angle |
| 1.5 inches into the bottom of this drum. Be prepared | | | | iron. This angle iron will be there to offer support for |
| to attach a pipe to it. Simply weld a pipe the same | | | | the mixing apparatus. The unattached side of the |
| diameter as the hole to the bottom of the drum. | | | | hinge should then be attached to the angle iron so |
| You will need to attach a brass ball valve to this pipe. | | | | the propeller and rod assembly sits in the middle of |
| This will be your drain valve. Just so you know it | | | | the drum. |
| does not have to be brass, but using brass makes | | | | With your hinge now fixed it should swing the |
| the valve more durable. Drill another hole into the side | | | | propeller and rod back and forth. The next step |
| of the drum but this time in the bottom, make it the | | | | involves you finally mounting the electric motor onto |
| same size as your heater element. Heater elements | | | | the side of the drum. You should be able to mount |
| can be found in old hot water heaters or can be | | | | the motor directly to the drum without it tipping the |
| purchased from your local hardware store. | | | | drum. Fit a belt to the pulleys and tighten it to |
| Alright, now go ahead and fit your heater element | | | | desired length by wedging a block of wood into the |
| properly, making sure it is not touching the either side | | | | hinge. A tight belt is necessary to help you to mix |
| of the drum. The heater element will need to be | | | | the biodiesel in the drum. The last thing you need is a |
| wired so that it is connected to your power source. | | | | simple measuring stick and you are done. |
| The next thing to do is to assemble the chemical | | | | |