Sunday, June 16, 2013

Amos Winter: The cheap all-terrain wheelchair






How do you build a wheelchair ready to blaze through mud and sand, all for under 0? MIT engineer Amos Winter guides us through the mechanics of an all-ter...
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25 comments:

  1. it upsets me that we cannot get a chair like that in the u.s. Not everyone has access to those 5000.00 wheelchairs, and they don't do dirt very well. not every person in the u.s. lives in a city with paved roads. not every person in the U.S A has medical insurance, and if they do it is really hard to get a decent chair that won't fall appart before you are allowed another. we do need that here. I resent that we can not have that without the price being jacked to unaffordable.
    s

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  2. Anyone with welding skills and a tubing bender can build an inexpensive wheelchair that would rival anything TIlite, Quickie or any other manufacturer can make--for hundreds and even thousands less. The only items that would need to be sourced are the critical (to avoid pressure sores) seating material, high strength tubing--and the wheels.

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  3. impressive, but how would it get up curbs? 

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  4. Sujith Kumar ReddyJune 16, 2013 at 1:49 PM

    I want to be involved in this project! Someone please get Amos in touch with me!

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  5. Wow! What a great contribution!

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  6. Would be nice to have the cheap version available in the U.S., too. Doesn't have to look all cool like the U.S. version he shows, but there are people who could greatly benefit from the mobility this provides right here.

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  7. SpaceisprettybigJune 16, 2013 at 3:28 PM

    The internet has ruined me, all I could think when seeing them use the chair was "Fap Fap Fap."

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  8. Using levers to self-propel wheel chairs have been around for decades?
    Innovation = A new method, idea or product. You don't have to recreate the wheel to be innovative.

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  9. Make it open-source, then I'll cheer.

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  10. chanderbhattacharyaJune 16, 2013 at 5:47 PM

    I know>>what the hell was that about?

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  11. Wirlwind wheelchairs, this idea has already been done.

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  12. so what your saying is. a day only has 59 minutes?

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  14. 5km a day? He probably meant 5km per hour.

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  15. JUST THE TIP.

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  16. And people like me, a mechanical engineer.....I'm a mechanical engineer......You can take a guy like me, an academic....Oh by the way, did I mention I was a mechanical engineer???

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  18. This 'invention' has been around for decades.
    Where is the innovation?...

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  19. Wow. Are you serious? He's just giving an example about where levers are used for movement.. not trying to suggest that disabled people should switch to rowing as a main form of transport...

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  20. It's just my opinion, people need to chill out.

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  21. You think this is doomed to fail? Go take a normal wheelchair and then go to India and try and spin your way over all the rough terrain. Reply to this comment when you're done.

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  22. It wouldn't be easy for a handicapped to get in a boat tho.

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  23. Same principle as a recumbent bike; you can push against the seat and get more power than pulling against nothing. Some disabilities might require a the opposite, which would be a simple matter of swapping the wheels over.

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  24. It's probably a more difficult contruction. I can see how you can build this with just a freewheel clutch, but if you invert the movement you probably need to add something in the system to invert the output, and then adding costs and construction space. That's just my guess, when you become an engineer you are thought to look after all possible solutions, I really don't think they just didn't think about that one.

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