Chief Delphi - What kind of material will you be using for your arm/forklift?

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- Technical Discussion (http://www.chiefdelphi.com/forums/forumdisplay.php?f=22)

- - What kind of material will you be using for your arm/forklift? (http://www.chiefdelphi.com/forums/showthread.php?t=32967)

OneAngryDaisy

25-01-2005 07:12

Re: What kind of material will you be using for your arm/forklift?

Quote:

Originally Posted by Atman

Alright, you have your designs drawn and a some type of base built. Your ready to start constructing that beefy arm you've been dreaming up all week. My question to you is this what kind of material will you be using to get the strength you need with conserving as much weight as possible.

beefy? i dont understand? there's something that starts with center and ends with gravity, which is why those purdue guys are cuttin' the fat.

Atman

25-01-2005 15:48

Re: What kind of material will you be using for your arm/forklift?

Quote:

Originally Posted by OneAngryDaisy

beefy? i dont understand? there's something that starts with center and ends with gravity, which is why those purdue guys are cuttin' the fat.

c'mon you know with that first week of dreaming some of the outrageous concepts you come up with. you know the ones that weigh 1/2 ton and can move in any direction 40 ft. thats wat i meant by beefy but some arms do tend to be a little large. Aluminum does seem to be the favorite. This, I would guess, is because its fairly abundant, very strong, light compared to steel, and easy to fabricate. Therefore making it the logical choice. This is FIRST, logic is out the window.

Rick TYler

29-01-2005 23:43

Re: What kind of material will you be using for your arm/forklift?

Quote:

Originally Posted by Andy Baker

You sly dogs... you have us thinking that you are using this Aerogel stuff, but all the while you are using nanotubes. I mean, heck, all you have to do is walk across campus and grab a wheelbarrow full of the stuff. Sheesh.

Most of you think you can't make a good arm out of raw superstrings, but we've figured out a way to hold them in place with resublimated thiotimoline. We looked into using scrith, but it was too expensive.

And, believe or not, we buy superstrings by the pound at Harbor Freight! We know the best superstrings come from California, but we've been successful with Guamian imports.

Daniel Brim

30-01-2005 01:46

Re: What kind of material will you be using for your arm/forklift?

We were thinking about using a helicoptor rotor drive shaft. That is awesome stuff, really strong and insanely light (a 10 foot tube weighed about 5 pounds to my guestimate). One of our sponsors is American Aircraft Products. We ditched the idea because we weren't 100% sure if it was legal and 2 inch square tubing that's hollowed out would work just fine.

Also used:
Spring Steel
3/4" diameter 1/8" wall circular tubing
1/4 and 1/2 inch plates
1x2 and 2x2 square tubing
1/16" sheet metal

And finally, nanotubes :D

Alaina

31-01-2005 15:21

Re: What kind of material will you be using for your arm/forklift?

Team 814's arm will be made out of both angle and box alluminum, and a team Dad has donated a 4'10" rod of carbon fiber! It's teh awesome.

Jaine Perotti

31-01-2005 15:28

Re: What kind of material will you be using for your arm/forklift?

Team 716's arm will consist primarily of U channel aluminum, and some UHMW polyethylene.
Slides nicely. :)

We have also grabbed a few pieces off of a snowblower...
...but what they are and what their purpose is has yet to be revealed. ;)

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