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Unread 09-04-2008, 23:32
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Leaked Footage...

Here are some leaked pictures of something new in store... Enjoy!





So what do you think?








.
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Last edited by Pavan Dave : 09-04-2008 at 23:43.
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Unread 09-04-2008, 23:34
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Re: Leaked Footage...

Where are the pics...O i get it it's super secret
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Unread 09-04-2008, 23:46
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Re: Leaked Footage...

what motors will you have setup turning this beast?
i love the nice wide tires, and the gearboxes look great
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Unread 09-04-2008, 23:49
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Re: Leaked Footage...

So is there an estimated cost for this top secret item? I need to know how much cash to bring with me!
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Unread 09-04-2008, 23:51
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Re: Leaked Footage...

Looks good! - The only concerning part of the design is the cantilevered mounts. They will be taking the entire load of the weight and the twisting forces from direction change.

Nice renderings - I prefer this style because the details are clean and the design easy to recognize.

-Alex
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Unread 09-04-2008, 23:52
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Re: Leaked Footage...

frame looks sleek, dig the trapezoid
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Unread 10-04-2008, 00:59
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Re: Leaked Footage...

Looks like something Craig designed. Which looks like James's original design. Which always reminded me of Bill Gold's swerve.
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Unread 10-04-2008, 01:28
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Re: Leaked Footage...

254/968 gave us pictures like this also...

I have to say though it looks REALLY nice
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Unread 10-04-2008, 01:34
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Re: Leaked Footage...

Quote:
Originally Posted by Hachiban VIII View Post
Looks like something Craig designed. Which looks like James's original design. Which always reminded me of Bill Gold's swerve.
The latter is because Bill helped James design 114's swerve.
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Unread 10-04-2008, 02:01
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Re: Leaked Footage...

nice, the frame is like something I want to design next year for robotics class. its a miniature version of a rover Mike Nawrot is working on. It won't be as cool as his design but I can try and I deff. want to try out a swerve next year for a small vex robot. Actually, anyone know if that's been done and how to make a vex swerve?
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Unread 10-04-2008, 10:41
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Re: Leaked Footage...

Pretty sic. Looks like something that should be traversing the surface of Mars. I guess we will get to see it upclose next year at LSR. Nice design job. Very clean and efficient
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Unread 10-04-2008, 11:54
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Re: Leaked Footage...

What happens if you need to climb something?
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Unread 10-04-2008, 21:41
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Re: Leaked Footage...

It looks very slick! The frame resembles the one we used last year, and it held up well. If you use bumpers wisely, it would even be possible to cut some of your 1/8" pieces down to 1/16".

My only concern is the way you're mounting your modules. If you get a sold hit from the side, while your wheels are pointed forwards, the load on the shafts are INSANE (you have done crab for 4+ years, you know this =P). If that is a solid block of aluminum (eek! heavy) I'm sure it would be able to hold up. However, no matter how you attach that block to your frame, that will be the weak point. The 1/8" wall of the 2" x 1" box it's attached to does not seem like it would be able to withstand such loads (especially at the points where it's connected). If you use rivets, it's very likely (guaranteed) that they will fail. Maybe consider trying to add support on both sides of your mounting block.

Overall, it's very scary. I know you guys have plenty of crab experience, so I know you'll be able to pull this off exceptionally well. Good luck!
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Unread 11-04-2008, 20:37
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Re: Leaked Footage...

Quote:
Originally Posted by Lostmage333 View Post
My only concern is the way you're mounting your modules. If you get a sold hit from the side, while your wheels are pointed forwards, the load on the shafts are INSANE (you have done crab for 4+ years, you know this =P). If that is a solid block of aluminum (eek! heavy) I'm sure it would be able to hold up. However, no matter how you attach that block to your frame, that will be the weak point. The 1/8" wall of the 2" x 1" box it's attached to does not seem like it would be able to withstand such loads (especially at the points where it's connected). If you use rivets, it's very likely (guaranteed) that they will fail. Maybe consider trying to add support on both sides of your mounting block.
I've done this very method of support on a heavier crab, and it held up fine. So the upper pivot block style mounting ought to be the least of the issues. The pivot block is a solid block (1 inch tall, actually...), and really isn't that heavy. I believe it's approx. .8lbs for each mounting block, which brings the weight of each module up to a whopping 4 pounds. Woo.

Quote:
Originally Posted by sdcantrell56 View Post
What happens if you need to climb something?
Then the outer chassis would be modified, probably to something akin to the robotnauts frame style, with open(ish) corners.

Quote:
Originally Posted by Hachiban VIII View Post
Looks like something Craig designed. Which looks like James's original design. Which always reminded me of Bill Gold's swerve.
Wow, you're good. Except my designs aren't influenced by James' designs, only the pink bearings are artifacts of his (and they've sort of become my trademark...).

Quote:
Originally Posted by Alex469 View Post
Looks good! - The only concerning part of the design is the cantilevered mounts. They will be taking the entire load of the weight and the twisting forces from direction change.

Nice renderings - I prefer this style because the details are clean and the design easy to recognize.

-Alex
See above response for the cantilevered mounts. They're really not an issue, I've worked on a crab that uses the same method. It's still driving, and it was used in 05.

As for the rendering style, I LOVE the illustration style. A CAD shouldn't look "real" anyway, so it's better to make it easy to see and understand.

Quote:
Originally Posted by matt.winkler View Post
So is there an estimated cost for this top secret item? I need to know how much cash to bring with me!
Actually, if your team wants some help designing a similar crab, I'm debating licensing the CAD under creative commons, with a few personal requests. If you make it, please tell me how it went, and tell me what changes you made. But hey, I have yet to decide that... PM me if you're interested in this aspect.

Quote:
Originally Posted by Aren_Hill View Post
what motors will you have setup turning this beast?
i love the nice wide tires, and the gearboxes look great
The wheels are 2 inches wide. This beast (I like that name, this might need to be called the beastcrab) will be steered by a globe or three. If that's not in the kit next season, then expect to see a Van Door steered system, or something else with High torque.


Oh, and in case people didn't get it, this is my design. I wanted to see what would happen if it were posted under someone else (someone famed as part of the legendary robonauts, too).

Feel free to respond or PM me if you have any specific questions about the design.
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Unread 11-04-2008, 21:35
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Re: Leaked Footage...

Quote:
Originally Posted by CraigHickman View Post

Oh, and in case people didn't get it, this is my design. I wanted to see what would happen if it were posted under someone else (someone famed as part of the legendary robonauts, too).
I was gonna say..this looked exactly like some of your other work...
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