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Step 6Bearings
Im using the wheels from glass sliding doors (closet doors). I was able to find only at Menards, separate wheels. The ones at Depot were attached to something so thats why I say Menards. I got the 1-1/2 ones. The center hole of those is perfect for ¼ threaded rod. Thats the reason for the ¼ threaded rod too.
Now you need to figure out your base materials and sizes. I had to replace a disc brake rotor on my truck a while back and the old one was still sitting in the garage. Its nice and heavy and has nice predrilled mounting holes. It has a large hole in the center which you will understand later. Im sure your local auto parts place or tire place etc. will be fine parting with some used unturnable ones. Or you can use a block of wood or blah&blah&blah.
To this Ill be attaching a scrap piece of 2x10 pine from a bed frame I built. The depth of 2 inches is good for the bearing fitting and the weight helps too. The more stable your turbine is the less chance of it tipping over. Especially weight on the bottom. In that piece of 2x(whatever you use) drill a hole for the bearing outside diameter, in the case of my materials its a 1-1/2 hole. Drill it the depth of the bearing plus about a ½ to ¾ inch. Then drill a hole in the center all the way through so that the inside of the bearing, the bottom washer and nut and the threaded dont ride on the wood and so that the threaded rod can pass through below the wood unhindered. The outside of the bearing can be held in by a layer of Gorilla Glue or some well placed screws drilled through the outer edge of the wheel. If youre using another type of bearing without a wheel, you probably cant drill a hole through the outside without screwing up the bearing.
Now you need to figure out your base materials and sizes. I had to replace a disc brake rotor on my truck a while back and the old one was still sitting in the garage. Its nice and heavy and has nice predrilled mounting holes. It has a large hole in the center which you will understand later. Im sure your local auto parts place or tire place etc. will be fine parting with some used unturnable ones. Or you can use a block of wood or blah&blah&blah.
To this Ill be attaching a scrap piece of 2x10 pine from a bed frame I built. The depth of 2 inches is good for the bearing fitting and the weight helps too. The more stable your turbine is the less chance of it tipping over. Especially weight on the bottom. In that piece of 2x(whatever you use) drill a hole for the bearing outside diameter, in the case of my materials its a 1-1/2 hole. Drill it the depth of the bearing plus about a ½ to ¾ inch. Then drill a hole in the center all the way through so that the inside of the bearing, the bottom washer and nut and the threaded dont ride on the wood and so that the threaded rod can pass through below the wood unhindered. The outside of the bearing can be held in by a layer of Gorilla Glue or some well placed screws drilled through the outer edge of the wheel. If youre using another type of bearing without a wheel, you probably cant drill a hole through the outside without screwing up the bearing.
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