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-   -   pic: VEX Mecanum Wheel/Tread (http://www.chiefdelphi.com/forums/showthread.php?t=97258)

Akash Rastogi 07-09-2011 12:19

Re: pic: VEX Mecanum Wheel/Tread
 
Quote:

Originally Posted by Chris is me (Post 1076216)
This isn't a Solidworks drop and play with some settings and go render, as obviously indicated by the quality of the render. It's a 3DS Max render that obviously had quite a lot of time put into it.

Why are we bashing students for being so proud and inspired by a part design that they make a beautiful presentation of it? Yes, the render isn't as important as the CAD file, but no one was saying it was.

Oh no no no, sorry you misunderstood, I wasn't commenting about this particular render. I was directing that at Matt from 1515 because I have talked him a lot and he mentions learning how to render better quite often. The comment wasn't directed at the OP. I wasn't bashing anything.

Ether 07-09-2011 12:58

Re: pic: VEX Mecanum Wheel/Tread
 
Quote:

Originally Posted by Joyride_67_1902 (Post 1076159)
We might try to build the updated version of this wheel later

Is the purpose of the dual rollers to increase load-handling capability?

Did you consider instead using a single row with larger rollers, to reduce gaps and overlap ?



Andrew Remmers 07-09-2011 14:03

Re: pic: VEX Mecanum Wheel/Tread
 
Quote:

Originally Posted by sanddrag (Post 1076208)
Can you explain? I'm not aware of anything currently with such high clock speeds. Are we talking a networked rendering cluster or multiple cores or what?

Lots of cores threaded together, I would have to ask the owner of the computer exactly what specs of it but I know its a Dual-Hex core 2.66 Ghz Or something like that. While I only have a dual core.

Quote:

Is the purpose of the dual rollers to increase load-handling capability?

Did you consider instead using a single row with larger rollers, to reduce gaps and overlap ?
The dual roller we find more efficient from experience in the past with mecanums however the challenge of the design with a dual roller is much harder than a single roller. I can assure you in the second wheel (also posted) the wheel has a perfectly round projection.

Quote:

Not to take away the work you did rendering these (they are incredible; having done renders way back when in AutoCAD on a 386 computer I know there is a ton of work involved), but the thumbnail photo of the other photo has the strange effect of two little fuzzy animals with big bulgy eyes. It doesn't show in the larger photo, but now I can't look at the Image Gallery and not see them lking back at me.
That might be the work of the image converter... CD wouldn't take the original photo because it is a 40 MB file. And CD also wouldn't handle the smaller PNG file. SO I had to find a converter online since I don't have photoshop or anything on my computer to convert to a JPG file. I just looked at it and saw what you were saying.

If you are interested in the FULL quality image send me a PM because I have to track down the file and I can attempt to email it to you.

- Andrew

R1ffSurf3r 07-09-2011 15:00

Re: pic: VEX Mecanum Wheel/Tread
 
Quote:

Originally Posted by Andrew Schreiber (Post 1076212)
But... I suppose this is what I get for saying that something artistic is hard to a bunch of engineery types.

to me, engineering is an art

Andrew Schreiber 07-09-2011 15:06

Re: pic: VEX Mecanum Wheel/Tread
 
Quote:

Originally Posted by R1ffSurf3r (Post 1076239)
to me, engineering is an art

Then you should understand how difficult other arts, such as writing and drawing, really are.

R1ffSurf3r 07-09-2011 15:07

Re: pic: VEX Mecanum Wheel/Tread
 
Quote:

Originally Posted by Andrew Schreiber (Post 1076241)
Then you should understand how difficult other arts, such as writing and drawing, really are.

music for me

Roger 08-09-2011 06:24

Re: pic: VEX Mecanum Wheel/Tread
 
I'm glad you see it too. The illusion is only in the thumbnail; the full photo it takes some effort to see the fuzzy animals. I don't think it's the conversion that does it, just being a tiny picture, and the natural loss of detail. I copy/pasted the thumbnail into Paint Shop Pro and at triple size the left fuzzy could go either way (animal or wheel), but at 4x there was enough detail to make it a wheel first.

Thanks for the offer of the full photo, but I must decline. If I save everything I liked, even electronically, I'd fill up my hard drive pretty quickly. As it is (before computers became my storage closet) I have a basement full of stuff. I'll just keep the memory of fuzzy mecanum wheels staring back at me and this (amusing?) picture... :yikes:


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