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 the massive 8 pages of unrelated talk on deans connectors

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Alan Dreher
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Location : Sarasota, Florida

PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:02 am

Cody Harris wrote:
We top that lol

Our first bots frame was cut with a radial arm saw and slots were done with a CNC router with a metal bit in it, we do have a drill press for the holes we could get to with it, the rest were with a hand drill, and luckly we do have a hand lathe from like 1972
It ended up being crazy over wieght so we ended up drilling like 3/4" holes everywhere, then trying to save more weigh someone, who wont be mentioned, drilled out the leads in our switch, so it no longer worked, in a rush we decided to cut a hole in our top plate to just connect battery leads but were told we couldnt do that and we found a switch somewhere
All of our outer frame pieces last year along with out axles were cut with a saw zaw and trimmed to length on a bench grinder.
Most of the stuff done on our bots is done this way, we try to be creative Smile
Dan should tell some stories(I have heard the Garage Bot stories)...


Last edited by Alan Dreher on Tue Apr 07, 2009 12:08 am; edited 2 times in total
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rjw
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:05 am

There you go,,,bot building 101
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Jeff L
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:09 am

Yeah. I left the year before RE Robotics got a non-CNC mill, so I'm actually a little jealous of the capability the team has right now to practically make anything. Although if they don't continue to innovate and use the machining capability as a crutch to exclusively make hyper-drums from this point on, they won't stay competitive. Fortunatelly it doesn't seem like that's the case (although I personally favor non-spinning active weapons).

My MacGyver experience was on X-Contamination. Mark-1 had a Masonite baseplate, 1/16" aluminum plate from shell lumber as the armor and 1/2" sqare tube for the arm pieces. It has two drill motors mounted in particle board pillow blocks for he drive, two old FIRST globe motors for the weapon, and ran off of a single 14.4 volt drill battery pack with something like 2000 mAh if we were lucky. The whole thing was made with a reciprocating saw, a dremel, an ancient drill press, and one standard back & decker corded drill.
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Dan Curhan
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:13 am

haha stories...
um.

let's see. Copperheads I and II. Garage bots to the max.

We had:

-drill press (doubled as a lathe)
-chop saw
-jigjaw
-circular saw
-hand drill
-angle grinder
-welder
-scissors
-screwdrivers, a socket set + allen keys
-more STUFF than you've ever seen in a garage including buckets of assorted fasteners (if you could find a screw and a nut that went together, you used them...), old burned out motors and speed controllers (actually some still worked), and a big steel-topped table in the middle. We welded on a homemade table with an expanded steel top...


I think we win. I welded the 1" tube steel frame together (cut from chalk outlines on the garage floor and a measuring tape... what's CAD???) with crappy right angle clamps and a non-autodarkening mask. We needed to be able to tension the belt running from our long mag to the drum, so we put slots in the frame to move the motor back with a crowbar, but we made the slots with an ANGLE GRINDER. Talk about ghetto lol. We definitely win the award for most primitive bot-birthplace. monkey

...at least for a 120. yes. this was a 120. and copperhead 1 placed FIFTH!!



i think the particle board and drill battery do kind of win in the 15 lb category though lol
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Cody
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:17 am

our switch in our first bot was mounted to balsa wood lol, and it took 5th at nationals to haha
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Jeff L
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:33 am

Well, our Mark-2 had some slight improvements to the chassis & batteries (and an enormous geometry shift in the arm), but otherwise went unchanged. It took 4th at its first Nationals Very Happy
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rjw
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:38 am

Jeff L wrote:
Well, our Mark-2 had some slight improvements to the chassis & batteries (and an enormous geometry shift in the arm), but otherwise went unchanged. It took 4th at its first Nationals Very Happy

Just curious...are you in Miami or GA or both?
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rjw
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:41 am

Cody Harris wrote:
our switch in our first bot was mounted to balsa wood lol, and it took 5th at nationals to haha

The switch took 5th? or was it the balsa wood? you must have had in mounted in compression, yes?
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Cody
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:43 am

The switch was "shock" mounted to the frame with balsa wood, atleast i think that was the reasoning behind it haha, the bot won our local comp. and took 5th at nationals
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rjw
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:45 am

Anyone think that this thread has gone off topic?

Who's Dean anyhow"
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Jeff L
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:46 am

rjw wrote:
Jeff L wrote:
Well, our Mark-2 had some slight improvements to the chassis & batteries (and an enormous geometry shift in the arm), but otherwise went unchanged. It took 4th at its first Nationals Very Happy

Just curious...are you in Miami or GA or both?

Georgia Tech for college, Miami for breaks/work (so far).
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rjw
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:47 am

Jeff L wrote:
rjw wrote:
Jeff L wrote:
Well, our Mark-2 had some slight improvements to the chassis & batteries (and an enormous geometry shift in the arm), but otherwise went unchanged. It took 4th at its first Nationals Very Happy

Just curious...are you in Miami or GA or both?

Georgia Tech for college, Miami for breaks/work (so far).

What are you studying?
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Jeff L
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:53 am

rjw wrote:
Jeff L wrote:
rjw wrote:
Jeff L wrote:
Well, our Mark-2 had some slight improvements to the chassis & batteries (and an enormous geometry shift in the arm), but otherwise went unchanged. It took 4th at its first Nationals Very Happy

Just curious...are you in Miami or GA or both?

Georgia Tech for college, Miami for breaks/work (so far).

What are you studying?

Mechanical Engineering, and maybe a minor in Biomedical Engineering and/or Nanotechnology.
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rjw
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 12:55 am

Jeff L wrote:
rjw wrote:
Jeff L wrote:
rjw wrote:
Jeff L wrote:
Well, our Mark-2 had some slight improvements to the chassis & batteries (and an enormous geometry shift in the arm), but otherwise went unchanged. It took 4th at its first Nationals Very Happy

Just curious...are you in Miami or GA or both?

Georgia Tech for college, Miami for breaks/work (so far).

What are you studying?

Mechanical Engineering, and maybe a minor in Biomedical Engineering and/or Nanotechnology.

Good luck with it..the nanotech looks interesting...
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Jeff L
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Tue Apr 07, 2009 1:07 am

Thanks. Yeah, I would like to do a lot of stuff centered around humanoid robotics (hence the biomed) - anything from prosthetic limbs to full-blown ASIMO style robots - and potentially some interface design (ergonomics). I'm also very interested in direct neural controls, like what's being developed for next-gen prosthetics. Hence my plan to eventually jury-rig a neural interface headset with the help of some people I know for use as a battlebot control system.
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Cody
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PostSubject: Re: the massive 8 pages of unrelated talk on deans connectors   Fri Apr 10, 2009 1:03 am

Alex Udanis wrote:
wow this is quite an epic thread.....so how about those deans connectors?

plug and play dude
Well those are actually bullet style connectors but.... lol
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