Tesla / Conventional Hybrid Turbine

thingiverse

I was inspired by this YouTube video: https://www.youtube.com/watch?v=j7YFd4_woxI. However, $500 and 1000 stepper motors aren't that abundant around where I am to just tear apart and rape, especially since I bet that one worked. Brain power and 3D print plastic are common place items in my home. Looking at a few paused places in the movie, I extrapolated the number of holes in the center were 48, minus the ones he pegged up. Initially, I had designed this just as I seen in the video with a center hub that would need the outer wings pinned on it. I don't try and run all that much huge stuff on my printer, however after looking at all I would have to assemble when it was done and not being sure of a design that could possibly (according to other vids) take the centrifugal force associated with 80,000rpm (I highly doubt this does 80Krpm). After I decided to abandon the rest of the concepts to do with the hub and independent laminated disc junk, I came up with a design that incorporates Mr. Teslonian's key feature points which are: 1. More/Smaller slots in the center (does something probably to do with surface area for the tornado to catch) 2. Internal Spiral blade system (works like a pseudo rotor-ed turbine) 3. Spiral on outer discs (functional value? I just thought it looked cool) It looks to take roughly 4 days to print in fine quality, I personally don't think it will function in less than fine quality either. To print and assemble you need 2 of each of the rotors. Use a Marker to number them trust me it will save you some time. From the bottom up on a 100mm M10 carriage head bolt place a bearing then the lid then a spacer then rotor 1, repeat spacer rotor until you get to the spacer on top of rotor 12 then place your second rotor 1 then washer and so on until you are finished, then take M3 all-thread rod and thread it into the hub holes. Your printer may make the holes loose in which case you will need m3 nuts, 4 rods work but all 8 gives you some added centrifugal weight. Zoro Tools on eBay sells this rod the nuts and the washers for pennies on the dollar. I bought 100 sticks for like $10 USD. After the rotors are assembled place the case over it then the top lid then line up the holes and again thread all thread all the way through the holes. DO NOT SKIP THIS STEP. AND DO NOT REPLACE WITH 3MM SCREWS, because while I highly doubt anyone will ever build this (I actually hope they don't) the possibility of fracturing a rotor is REAL, if it works even near as good as the YouTube video suggests we are talking LETHAL SHRAPNEL. Therefore, while I realize it's a poor excuse for safety the all thread creates a cheap little explosion cage to at least get away if you notice something going bad. All that said, you've been warned, I'm not your mom so I'm so not responsible for you impaling, maiming or otherwise messing yourself off. While conceptionally this design may function in a manner similar to the one in the YouTube video all of the included files are original and my personal work, don't be a jerk and steal my work. By all means print it use it educate what works and don't but don't get rich off of me, lol, I've been seeing alot of this going around. I'm pretty sure if you scale it at all you will mess it up, none of the bolt holes will line up nor will they fit the specified bolts or bearings. The bearing is a 10x22x7mm 100 if them on eBay is like $9 USD. I'm printing my first one right now in PLA, but later if it works well at low pressures I will print one in ABS, as ABS is a high impact plastic and should be able to take more of the stress and warp less. One final note DO NOT PRINT 24 OF THE SAME ROTOR!!! They look the same but they are different in the timing of the bolt holes and air escape holes.