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 FIRST: there is no second. - BandChick [more] |
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We tested our VEXpro chassis yesterday.
See the video on our blog
Discussion
view entire thread
19-01-2013 06:53
wilsonmw04
Re: pic: 3847 VEXpro Chassis
I saw the video of you rolling over righside-up disks. Did you try them upside-down?
19-01-2013 07:02
AllenGregoryIV
Re: pic: 3847 VEXpro Chassis
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Originally Posted by wilsonmw04
I saw the video of you rolling over righside-up disks. Did you try them upside-down?
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There also wasn't a lot of weight on this robot and we could tell from driving it. We need to get a good/safe way to add weight and than we can do more robust drive tests.
19-01-2013 09:21
CalTran
Re: pic: 3847 VEXpro Chassis
Looks great. Is the VEX chassis about the same as the kit bot? Any significant difference?
19-01-2013 11:42
z_beeblebrox
Re: pic: 3847 VEXpro Chassis
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Originally Posted by CalTran
Looks great. Is the VEX chassis about the same as the kit bot? Any significant difference?
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Take a look at it here:
http://www.vexrobotics.com/vexpro/ch...-in-a-day.html
19-01-2013 11:55
MrForbes
Re: pic: 3847 VEXpro Chassis
We should be getting our vexpro chassis parts in the mail in a few days. Thinking about the driving over Frisbees problem....it seems it would be relatively easy to put some type of "skirt" at each end of each chassis side, to push Frisbees aside rather than drive over them. Perhaps just a short piece of Lexan or something.
19-01-2013 12:13
CalTran
Re: pic: 3847 VEXpro Chassis
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Originally Posted by z_beeblebrox
It's sheet metal instead of extrusion.
Take a look at it here: http://www.vexrobotics.com/vexpro/ch...-in-a-day.html |
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Originally Posted by MrForbes
We should be getting our vexpro chassis parts in the mail in a few days. Thinking about the driving over Frisbees problem....it seems it would be relatively easy to put some type of "skirt" at each end of each chassis side, to push Frisbees aside rather than drive over them. Perhaps just a short piece of Lexan or something.
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19-01-2013 14:27
Akash Rastogi
Re: pic: 3847 VEXpro Chassis
How much chain wrap do you have on the wheel between the front set and the gearbox? Looks very minimal, but I can't quite tell.
19-01-2013 23:45
AllenGregoryIV
Re: pic: 3847 VEXpro Chassis
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Originally Posted by Akash Rastogi
How much chain wrap do you have on the wheel between the front set and the gearbox? Looks very minimal, but I can't quite tell.
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More pictures in this blog post.
20-01-2013 01:01
sanddrag
Re: pic: 3847 VEXpro Chassis
Excuse my ignorance, but what wheels are those?
20-01-2013 01:11
z_beeblebrox
Re: pic: 3847 VEXpro Chassis
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Originally Posted by sanddrag
Excuse my ignorance, but what wheels are those?
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20-01-2013 15:01
AllenGregoryIV
Re: pic: 3847 VEXpro Chassis
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Originally Posted by CalTran
Looks great. Is the VEX chassis about the same as the kit bot? Any significant difference?
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24-01-2013 19:18
hyperion3360
Re: pic: 3847 VEXpro Chassis
What are those wheels? You're the second team we see with these and we can't find them on AndyMark
24-01-2013 19:20
AllenGregoryIV
Re: pic: 3847 VEXpro Chassis
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Originally Posted by hyperion3360
What are those wheels? You're the second team we see with these and we can't find them on AndyMark
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30-01-2013 15:42
lynca
Re: pic: 3847 VEXpro Chassis
We built a 6-wheel drive VEXpro chassis shown in our mid-season video (non-youtube version )
6:1 single speed vex gearbox , 24:12 sprockets , 4" versa wheels, 6 motors.
We were impressed with the acceleration but also a bit worried about the sensitivity (driving straight takes some practice). We are thinking about adding exponential control to make small joystick changes less noticeable and low speeds .
I'm curious to know what ratios other teams are using ?
30-01-2013 16:28
MrForbes
Re: pic: 3847 VEXpro Chassis
We went for 5.33:1, but haven't got it moving yet.
And we are planning to add exponential control.
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