My name is Dylan Edmiston and this channel was created for one reason. To document my quest to become Iron Man and be the first person in a manned personal flight suit to break the speed of sound. I am also attempting to commercialize the technologies I am developing. So if you have a use for high strength hydraulic actuators or a novel idea for my exoskeleton tech feel free to reach out.
The main focus of this channel will be on actuation, exoskeleton prototyping and development, machine learning and AI, and rocket and jet propulsion. There is also a podcast where I sit down with whomever interests me.
Things that you will see me use a lot of are 3D printers, my lathe, Fusion 360 (a lot), and hopefully my nvidia computer for AI.
Let me suggest another video experiment. The jet is great, but it’s highly inefficient with respect to propulsion. I’ll bet that if you used the same gas cylinders to drive an air motor, and then have that drive a propeller (think light sport hang glider type), I’ll bet you could both beat your speed and it would last longer too..thanks!
Your low Gs is likely due to road friction and air drag. Consider a normal biking scenario, you are potentially putting your whole weight onto the petals, and at a higher gear ratio it’s probably closer to 1:1. So a 1 of your weight gets you to about 20 mph +/-. You can’t go faster without a hill because of road friction and drag. Your rocket was producing thrust of about a couple hundred pounds, same ballpark as your pedaling. So, all considered a half G is likely about right (1 G of force to counter Friction and drag, and the half is what’s left over to actually accelerate you in the drone video shots. Great experiment!
Hi Dylan, LOVE your video, thanks! Question. Usually high pressure parts are of brass/bronze or steel. Why did you choose AL for the pressure fittings and is it adequate, and how did you determine that? Also, what AL alloy did you use for the structure? Looks like 4000 series? Thanks!
I understand this stuff is way more precise, but for threading the outside wouldn't a power pony make life easier? I don't mind threading studs or pipe. My fear comes from tapping holes. I have a problem with binding.
Machinist by trade here. Wanted to comment several times. But im gonna just stick with two points that i agree with you on. 1 parting sucks 2 threadmillling rules
I'm not sure what your calculations look like but I have to ask did you figure in drag coefficient and the other friction losses like traction and rolling resistance from the tires? The bike is wobbling because its being pushed from behind the pivoting axis of the handle bars (like trying to push a wet noodle forward from the tail end), which is also reducing some of the G's and increasing friction. I haven't done the math but I would guess those probably cut about half to a full G.
I'm thinking of building a 3 axis machine with similar xyz dimensions. I'm on a budget so I'm wondering how you like the aluminum chassis vs steel? Are there any good example projects that you know of on the web?
I'm asking myself, why do you think you need a 5 axis CNC? I get the 4th if you're really into milling on the OD of round parts, but the 5th axis on the head seems kinda overkill for almost anything hobbyists do.. With one or two more clamping positions usually almost everything can be done with only 3 axis 5 axis is used in big industrial settings where time is money, and still have the problem of lacking rigidity in comparison with classic 3 axis machines. The machine kinematics are hard to figure out, as you've found out yourself.. so i just don't understand why it's necessary, or do you just like it? Then I get it, otherwise you'd definitely be better off just doing 3 or 4 axis
@@DylanEdmiston I doubt many even do more than fixed axis milling, and if you're working with fixed axis you could as well do it in a separate clamping (I hope i use the right words here :D) I think the problem is really the rigidity you sacrifice for the fifth axis isn't really worth the benefits... I've worked with 40 ton parts on huge portal mills (both on fixed heads and 5axis), and very rarely I used the 4th And 5th axis, in fact even on those huge machines the lacking rigidity limited the precision and cutting ability quite a bit... Yes doing an angled surface with a big mill in one go is neat, but that's again just time saving and can be done on a 3 axis as well with the right tools.. and time saving usually isn't a really big factor for home gamer mills right? Don't get me wrong, I love the project you did, it's really cool, and if you get the kinematics figured out I'd love to see it do simultaneous milling, I just think it's not the appropriate choice for 99% of home gamers, and hence the lack of projects using that approach to 5 axis..
Great video. But I do have one question. One step that I think was left out was after you flatten the component, then what do you do to move them into a new component? I have each one flattened and I can open them, but I haven't found how to move them onto one page.
Who is here watching this after Adam Savage got his? Brilliant idea and such a great detail for another maker who can appreciate the work behind. Well done sir!
I don't really subscribe to many channels, but i dropped my tools and walked over to the PC to give you a sub and a comment, I hope you get that Tormach.
I broke the clipper lacing out of my belt just now and thanks to your video I am on my way to the auto parts store to buy a serpentine belt. Thanks for the tutorial. It was really helpful.
The rails are crappie, mate. That's at least one of the big problems, in my opinion. Go with 100mm granite block and 50mm the rest and 35 to 50mm rails to stop the twisting.
