I Created a New Type of Rotary Engine and It Achieved Two Combustion Events Before Destroying Itself
Bambulab: https://shareasale.com/r.cfm?b=2282157&u=4598976&m=138211&urllink=&afftrack=Try Onshape, the world's most capable in-browser CAD software for free for 6 months: https://Onshape.pro/d4a
3D files of the engine components: https://drive.google.com/drive/folders/1uF0L0v3NV2Q6sItS4-hzCawMUtoeEF0L?usp=sharing
I used 14x5x5 bearings inside the rotor and 42x20x12 in the housing and housing cover. The rubber seals were cut by hand so I got nothing there.
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I have not given up on making a weird novel type of engine run and in this video I come one little step closer to my goal. What I have given up on, for the time being, is the rotary vane engine. After my last attempt to make it run I have realized that sealing the rotary vane engine on the kind of DIY level that I'm working on will be nearly impossible. After realizing this I asked myself how can I make a rotary engine easy to seal and thus easy to build and hopefully get it to run on a DIY level? Ultimately I just took two half moons or two semi-elipses and stuck them in another elipse. When they are at the major axis the half moons create a larger displacement. When they move from the major to the minor axis this displacement decreases and so we get compression. Honestly, it's a lot easier to see this visually represented in the video than to explain it with text, I don't even know why I'm writing this. Overall, the video is a bit erratic as I got drawn into this novel engine development bug once again, but I really had a lot of fun and I want to make this into a little side project on the channel. For now, I really like the traveling chamber rotary because the rotor doesn't need to be sealed at all and the motion is pure rotation, unlike the more complex motion in the epitrochoid of a classical wankel rotary engine. The traveling chamber rotary still has the drawback of having large surface areas in the chamber, but I think this problem can be reduced and somewhat mitigated with a different chamber shape as this anatomy does allow for a different combustion chamber design.
The travelling chamber rotary I made managed to achieve two combustion events and some cool little flames from the exhaust port, so I guess it's ricer approved already. These two combustion did completely obliterate it and it could not spin much anymore. This is fine because I printed the engine from the cheapest and weakest possible filament which is PVA, and that is not suitable for any kind of sustained friction or increased temperature or really anything other than decoration. But I didn't want to waste time and money printing this in something better and more expensive unless the concept could prove itself at this basic stage, which it fortunately did. Something else that's great is the bambulab offers engineering filaments such as glass-reinforced PETG and carbon fiber PPS. So the next step will be further refining the design, getting better sealing materials and printing everything in much stronger materials with better temperature resistance to hopefully get this engine to run for 5 seconds. This is the next goal. After that I want to build a reliable version that can actually power something, like a one person go-kart or a similar, small lightweight vehicle. Beyond that I don't care. But make no mistake here. I'm not trying to prove anything here, there's no agenda, I don't care if this is truly a superior or inferior design, I don't care about the potential or the market or any of that. The only goal here is to see this run for the sake of the love of engines, of combustion and of mechanical engineering. The goal is to have fun and explore this side-quest route of the beautiful and endless world of physics.
A special thank you to my patrons:
Daniel
Zwoa Meda Beda
valqk
Toma Marini
Cole Philips
Allan Mackay
RePeteAndMe
Sam Lutfi
Cakeskull
#d4a #rotaryengine #bambulab Receive SMS online on sms24.me
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