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  #91   Spotlight this post!  
Unread 26-11-2012, 00:15
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Re: Be afraid... Be VERY Afraid

I believe this post was intended to generate hype...but the response being generated isn't exactly what I'd call hype. It's just not the nature of CD. "Be afraid" -- really? This isn't really how folks share ideas in this community, but it's interesting. Good luck with the design, and I hope you're well into the fabrication and testing phase for your prototype if you have any plans of using this in 2013.
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Unread 26-11-2012, 00:16
James Tonthat James Tonthat is offline
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Re: Be afraid... Be VERY Afraid

Quote:
Originally Posted by Cory View Post
"Hey guys, check out this super awesome thing I made, which is exactly what multiple teams made 8-9 years ago, with some revolutionary component missing. You have no possible way of guessing what is missing because I've given you absolutely no details, but I will string this thread along for the next month because it's fun to have lots of people wondering what my (not so) revolutionary design will be"

Does that about cover it?
Does anyone remember this thread?

The solid 7071 billet frame, direct drive CIMs.
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  #93   Spotlight this post!  
Unread 26-11-2012, 00:19
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Re: Be afraid... Be VERY Afraid

This is silly, either show it or don't.

I"m afraid you'll be the partner that's not moving on our alliance...

-RC
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Unread 26-11-2012, 00:20
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Re: Be afraid... Be VERY Afraid

Quote:
Originally Posted by James Tonthat View Post
Does anyone remember this thread?

The solid 7071 billet frame, direct drive CIMs.
I spent the last 20 minutes trying to find this thread to post here. You beat me to it
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  #95   Spotlight this post!  
Unread 26-11-2012, 00:24
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Re: Be afraid... Be VERY Afraid

Quote:
Originally Posted by James Tonthat View Post
Does anyone remember this thread?

The solid 7071 billet frame, direct drive CIMs.
Now this is a gem-filled read.

Edit: so this is where negative reputation on CD comes from
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Last edited by dcarr : 26-11-2012 at 00:28.
  #96   Spotlight this post!  
Unread 26-11-2012, 00:24
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Re: Be afraid... Be VERY Afraid

Ok, because you said yes to JVN's automatic shifter idea, this is another guess.

There is some kind of mechanism that automatically pushes the wheel with more speed down. This causes you to have normal(high speed) operation most of the time. However when you reach an object that is either immovable or hard to move, the wheel will automatically pivot forward(overcoming the spring mechanism). This is because the wheel still wants to travel forward and it can by overcoming the spring. Eventually it pivots enough that the lower speed, high torque wheel touches the ground. Therefor you get the automatic shift into high torque. When you overcome the immovable/hard to move object the spring pushes the module back to "normal" and high speed mode ensues.
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  #97   Spotlight this post!  
Unread 26-11-2012, 00:26
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Re: Be afraid... Be VERY Afraid

Am I the only one that realizes this won't work because there is not enough belt wrap on the 2nd stage pulley before the drive wheels? This needs to be fixed before implementation otherwise it will sit there spinning without actually transferring power to the drive wheels...
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Unread 26-11-2012, 00:27
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Re: Be afraid... Be VERY Afraid

Chief Delphi is a place to showcase your ideas / designs and get feedback on them. Baiting people into trying to guess the function of your partially revealed design won't go over too well here.

Based on your previous season's robot's performance, I would recommend focusing your efforts on implementing simple functioning mechanisms that can effectively score points in the shortest amount of time. If this is a drive module, I don't see how this will make your robot score more points, unless the 2013 game challenge is drive on something really complicated - and it won't be.
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  #99   Spotlight this post!  
Unread 26-11-2012, 00:28
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Re: Be afraid... Be VERY Afraid

So I spoke to this student (I know others on 714), and he actually does legitimately have an idea he thinks is genuine and new.

So, this is not a troll thread. He is just now regretting posting this because he might not want to reveal what his idea actually is.

So....yeah.

Ease up on the kid though, he is not trying to troll. Not defending the way he presented this though.

Either you post your full design/idea, or you just leave it off the internet if you think it is that great. This is not how Chief Delphi works.
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  #100   Spotlight this post!  
Unread 26-11-2012, 00:29
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Re: Be afraid... Be VERY Afraid

Sorry, but i'm not afraid. I would be afraid if it was a robot, driving around, that you've gone through a competition season with and it showed to give you a distinct advantage. Right now, all I see is a CAD model with 1 CIM that was probably done pre-season which means you'll be going into 2013 with an untested drive. That's something that should scare you, not me
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  #101   Spotlight this post!  
Unread 26-11-2012, 00:32
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Re: Be afraid... Be VERY Afraid

Quote:
Originally Posted by James Tonthat View Post
Does anyone remember this thread?

The solid 7071 billet frame, direct drive CIMs.
Oh my god, this is great.
  #102   Spotlight this post!  
Unread 26-11-2012, 00:34
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Re: Be afraid... Be VERY Afraid

I'm quite ticked off by the OP. I hate to criticize a first day poster, but this is clearly a post designed only to call attention to his brilliance.

OP, here's my advice for you. Take a large helping of humble pie. There are lots of brilliant engineers and students who have been plugging away at the problem of drivetrains for over twenty years. If your "revolutionary" device is truly significant outside of FRC, that takes into account hundreds of times as many engineers for scores of times as long. I hate to break it to you, but someone has almost certainly come up with something very similar if not the same as your design.

In any case, showing us only 30% of the mechanism is no way to display your innovation, real or not. Call it a teaser if you want, but do not use it to parade your supposed superiority when we really do not have any chance to guess at whatever you have CADed.

Finally, in the unlikely event that you actually have come up with something brilliant, you should take heed to RC's comment. Unless you truly believe that you can pull this off during the season, don't. It sucks to have a stationary robot on the field, and this could well cause just that.

I know that I'm going to get some flack (read: negrep) for this post, but I feel like it is spot on. A good designer is not arrogant. In winning designs, egos take a back seat.
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Unread 26-11-2012, 00:36
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Re: Be afraid... Be VERY Afraid

What are the wheels contacting when they're not contacting the floor?
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Unread 26-11-2012, 00:39
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Re: Be afraid... Be VERY Afraid

Take a step back and relax folks. I've gotten the OP to post what he has been working on.

I have not seen what it is, so I am just as hopeful that he won't have his foot in his mouth as you are.

Should be up soon. Again, ease up on the kid, he did not mean to troll, he is just new to CD.
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  #105   Spotlight this post!  
Unread 26-11-2012, 00:51
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Re: Be afraid... Be VERY Afraid

The central pivoting shaft is coaxial with the second stage idler pulley, and based on the bearing locations it looks like that shaft rotates with the pulleys. It's a self-destructing mechanism!

I'll be interested to see what the rest of the mechanism looks like, but from the renders we can only really tell that there are two wheels that go different speeds. Keep in mind that if these are indeed wheels for driving the robot, then the mechanism will have to be supporting a lot of weight. Make sure your parts are sized appropriately!
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