Now it is time to put it all down the well. Put a stainless steel clamp on the ½” pipe on top of the well cap and then hook up a connector to connect to your compressor. Continue building the ½” line up to the top, through the well cap plus 4 inches. Tape the two pipes together every 10 feet. Starting at the bottom, put on two 90 degree elbows and a 30” piece of pipe and insert it up into the 1-1-4” pipe and clamp both pipes together (Illustration 3). This will eventually keep the pump from dropping down the well, so make it tight and be sure it won’t slip down the hole in the well cap. Now put the 1-1/4” clamp on top of the well cap. Compressed air is forced into the well through the 1/2″ pipe, pushing water up the 1-1/4″ pipe and out of the ground in a continuous flow. Put the end furthest from the well through the hole you made in the well cap and have it protrude out past the well cap enough to reach over your barrel top. Make the 1-1/4” pipe the same length as the well depth. Use adhesive and two small stainless steel screws at each connection. The discharge pipe is 1 1/4” diameter, the air pipe is 1/2“ diameter.
I used wire ties from the grocery store. Continue dropping the line to measure how deep the well is, and put a wire tie on the line for a marker. Now remove the nylon line and lay it straight out from the well, to measure how long to make the pipes. Next, tie a weight, like a large nut, on one end of the 1/8” nylon line and let it down the well to measure the depth to the water standing in the well. (Illustration 1.) Two holes for vents, one for the 1 ¼” discharge pipe, and one for the ½ air pipe. To start, you will need to remove the well cap. DIY Airlift Pump Design Using Plastic Pipe and Air Compressor
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