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-   -   the firefly effect (http://www.chiefdelphi.com/forums/showthread.php?t=44420)

Rickertsen2 21-02-2006 16:39

Re: the firefly effect
 
These past few days the robot has been moved several times to various indivudual's houses. Each time, we lost a little weight. Our first year, a nutdriver was dropped into a piece of square aluminum tubing. It stayed there all through competition until sometime the next year.

Wolf103FM 21-02-2006 20:34

Re: the firefly effect
 
only thing that i know of that we have dropped off were lots and lots of metal shavings, we did drop the frame off of the table while we were working a few times but everyone always caught it before it went completely off

atomikitten 22-02-2006 19:43

Re: the firefly effect
 
Quote:

Originally Posted by DHarris
Everytime we drove our 'bot, nuts, bolts and screws would just drop off then disappear. I ahem...accidentally rammed it full-speed into a row of our already crappy-looking red lockers and knocked about half a dozen bolts and nuts off. We never found most of them :D

Imagine what people would find after your school was renovated.

We don't have any quarter-inch nuts left at school--not because they kept falling off during crashes but because we actually used them up!

KTorak 22-02-2006 20:03

Re: the firefly effect
 
We *always* end up with random T-nuts falling off of our robot.

dutta 22-02-2006 20:13

Re: the firefly effect
 
our robot took a beating every time it came down the ramp. we had a few bolts come loose, not to mention part of the camera flew off. afterwards, we had to tighten just about every bolt on the frame (nice and tight this time).

Chriszuma 22-02-2006 20:38

Re: the firefly effect
 
This is where nylock nuts prove their usefulness. If you can deal with the hassle of putting them on, you never have to worry about losing them.

Koko Ed 22-02-2006 20:45

Re: the firefly effect
 
Oh.
ANd here I thought the Firefly effect was more like creating something fresh and original that will be unjustly ignored by the general public and eventually cancelled.
Silly me. :rolleyes:

Stuart 22-02-2006 21:03

Re: the firefly effect
 
well that too . .

Chriszuma 22-02-2006 21:10

Re: the firefly effect
 
Quote:

Originally Posted by Koko Ed
Oh.
ANd here I thought the Firefly effect was more like creating something fresh and original that will be unjustly ignored by the general public and eventually cancelled.
Silly me. :rolleyes:

No, the Firefly effect is when you get screwed over by Fox.

Eldarion 22-02-2006 21:56

Re: the firefly effect
 
So far, the only resemblence our robot had to the Serenity was the camera module puking off the CMUCam board when our shooters were turned on for the first time. (And the second, and the third, until we finally made a custom mount and screwed it in place :) )

Koko Ed 22-02-2006 22:01

Re: the firefly effect
 
Quote:

Originally Posted by Chriszuma
No, the Firefly effect is when you get screwed over by Fox.

Oh you mean where the judges like the good solid working robots but the public, who's voting carries all the weight, pick the "cute" robots to go on in the competition ala American Idol. :p

artdutra04 23-02-2006 00:31

Re: the firefly effect
 
We didn't have a lot of random nuts and bolts falling off our robot this year. This year we've used a ton of pop rivots instead of zip ties or bolts, so that has been a real weight saver. Careful inspection of the robot as it is being asembled, coupled with precise fabrication of high quality parts can usually help solve the issue of lots of random pieces of hardware coming off your robot.

Loctite and ny-lock nuts are your friends. :)

Mme.Miscellania 23-02-2006 01:59

Re: the firefly effect
 
We were testing our camera/shooter mechanism, and our motors were slightly out of sync...leading to some vibration...leading to the camera wiggling loose, falling onto the shooter, and flying off the robot at 14 m/s, only to bounce off of a table and land in someone's pocket.
That was when we decided zip ties were our friends.

dude__hi 23-02-2006 15:11

Re: the firefly effect
 
Our camera shot off it's position due to the vibation of the large rotating wheel of our shooter. It flew across the room crashed into the ground and fortunately it was undamaged.

Joe J. 23-02-2006 15:40

Re: the firefly effect
 
This year we've had the basic nuts and bolts fall off our robot.

Last year we had our robot's arm fall off during practice, we were doing some driving practice the day after we got it working for the first time. We pick up a tetra and drive over to the goal, raise the arm and just as we're about to move into capping position the arm just falls clean off. As it turned out the bolts that held the arm to the rotating block were just threaded into 1/4 aluminum which just tore out, we later fixed it by bolting it through... it seem to work better go figure :rolleyes:


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