i believe this would create more issues. More moving parts = more maintenance + greater chance of breaking or malfunctioning. also this is way more heavy which would require more strength to move. it might be more efficient to crank or pedal, but it loses efficiency when you have to fix or adjust problems all the time, which is shown in the video when he broke the track somehow. then it loses efficiency some more with the added weight. fixed 1 issue and created several more.
Fun and entertaining video, some pretty flawed concepts here. Adding more methods of power transmission in between the human and the tire’s contact patch probably isn’t increasing efficiency. What’s probably happened is decreased efficiency and increased complexity (cost and maintenance) for no great reason. I still love seeing what RU-vidrs do with weird bike concepts, it’s always interesting to see a new take on an old idea
I'm pretty sure you're running into the law of diminishing returns pretty freaking hard here bro...... That bike looks like it weighs four times or maybe even six times the weight of a regular bicycle..... You still have to push all that mass.... I'm not even going to touch on how awkward it is to move your legs like that while riding. Looks like you found a great way to waste materials, time and energy though. Hopefully you actually learned something along the way like don't do crap like this.
I have immense respect for your engineering process but it would help if you put more focus on the human machine and how it interfaces with existing crank design. If human bodies are supplying the power, how and where is it the most efficient and powerful?
I think a professional biker can get a better torque curve out of normal pedals because legs aren't limited to only pushing straight down. They clip their feet to the petals so that they can apply force at any angle without slipping off.
I like the proof of concept. Perhaps you could redesign it so your legs are pushing more to the front of the tire? This way, you use a different muscle group that could result in more torque. A dove tail profile might help with your cam.
There was a bicycle transmission (Stringdrive) that used treadles pivoting on shafts placed where a conventional bike has its crankshaft. The treadles pulled cables that operated ratchet mechanisms in the rear hub. Mechanical advantage ratio was altered by moving the cable attachments along the treadle levers. It was a very light arrangement.
Question: people already get used to peddling in a circular manner, this bike requires straight vertical peddling. Did you find that an issue yourself?
From idea, to research, to design, consultation, implementation, testing, re testing ..re- everything, bro this project was a huge success in my opinion.. Great work
There is power in rubber bands. They are very light comparble to metal. System with Internal combustion engine would be very spectacular! And you can also use pressure from a punctured lithium-ion battery ! 🤣
Vaguely remembered a paper on the effects that high volume/Pressure CO2 have on PLA. Maybe you are experiencing plasticization, in which the CO2 at pressure and high flow is having the effect of delaminating the plastic, tearing tiny bits of it off, and depositing them on the aluminum. Googled this for confirmation and found several articles on it.
Brilliant and amazing work bro. That part at 4:48 is like seeing an offshoot of the Wright Brothers working on their plans in the field for the first time!
Hello! I'm a multinational bike making company. Thanks for the design, let me stea... take ownership of yo... THIS idea. :D Amazing thinking and design. Really impressive
If you want better cycling on a regular bike put toeclips on the pedals and wear better shoes? Then there's saddle height and reducing air resistance without squashing up lungs.
