Chief Delphi - VEXpro Build Blitz

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Announcements (http://www.chiefdelphi.com/forums/forumdisplay.php?f=59)

- - VEXpro Build Blitz (http://www.chiefdelphi.com/forums/showthread.php?t=123923)

Libby K

06-01-2014 11:21

Re: VEXpro Build Blitz

Quote:

Originally Posted by Lil' Lavery (Post 1322320)

Apologies if this was mentioned in the streams/chats/etc, I've only had time to tune in sporadically, and can't currently since I'm at work (hush, nobody tell my boss I'm on CD righ tnow). :rolleyes:

Quick question for team JVN (I have no twitter, which seems to be the preferred contact method?). Has the thought of the "lay-up"/easily caught shot been completely abandoned? I remember you were able to adjust the trajectory of your shot on your prototype by changing how the ball was held, the lever's initial point, and the release point. Did you ever try deflecting a (close to) vertical shot? Think 67 in 2006. It's likely far too late to add one to the final Build Blitz bot at this point, but it would be wonderful to see the prototype try a shot like this.

Just spoke with JVN! Here's what he says.

No, we haven't completely abandoned it. We're going to try to dial in the sweet spot first. If we have the time, we're going to try to add that in and tune it - and if all else fails, we're going to look to fall back on that as well.

There are several of us here at BuildBlitz monitoring ChiefDelphi, so if you don't have a twitter (Like Sean), feel free to ask questions here! The social media team or the sideline reporters will try to address them quickly.

Ricky Q.

06-01-2014 16:08

Re: VEXpro Build Blitz

Happy Monday afternoon. We have less than 24 hours to go!

Our afternoon look in is live now on the main mix at www.buildblitz.com - featuring live robot action!

Ricky Q.

07-01-2014 11:19

Re: VEXpro Build Blitz

We're in the final hours!

Our last live look-in before the robots are judged and unveiled is going up soon at www.buildblitz.com

Ricky Q.

07-01-2014 12:59

Re: VEXpro Build Blitz

Time's up!

Both teams are unveiling their robots now live at www.buildblitz.com

We'll follow up with the official unveiling and recap videos as well.

Grant Cox

08-01-2014 21:00

Re: VEXpro Build Blitz

Thanks to those who tuned in - everyone here at VEXpro had a blast with the Build Blitz, and hope that you enjoyed it as well!

Final CAD files for both teams are now available on the Build Blitz site - http://www.buildblitz.com/final-cad-files/

If you have any further questions, feel free to post in this thread or tweet to @BuildBlitz.

Answer42

09-01-2014 22:32

Re: VEXpro Build Blitz

I actually started laughing when I saw the cadded representation of a wrench on jvn's robot. Lots of interesting details in here.

Grant Cox

10-01-2014 21:23

Re: VEXpro Build Blitz

The 2014 Drive in a Day is now available!

http://www.vexrobotics.com/vexpro/st...-in-a-day.html

Maximillian

11-01-2014 13:21

Re: VEXpro Build Blitz

When I look at the Team Copioli CAD files I get a bit confused. The middle pulley that drives two belts out of the gear box is a 15mm Timing Pulley and the outer pulleys for the wheels are 9mm Timing Pulleys. There aren't any belts in the CAD design but I am assuming they used the 9mm VEX Timing Belts. Are they using a different belt/pulley or how does this work?

Are you going to release instructions for gearbox mounting and other VersaChassis instructions?

Joe Ross

11-01-2014 21:16

Re: VEXpro Build Blitz

Quote:

Originally Posted by Maximillian (Post 1325537)

They are probably doing this: http://www.chiefdelphi.com/forums/sh...71&postcount=9

cbale2000

14-01-2014 22:31

Re: VEXpro Build Blitz

I'm looking at the CAD files for the team JVN robot, and I can't seem to figure out what is providing the shooting force for their catapult (Springs? Surgical tubing?). Is there something I'm missing?

I'm also curious what reductions were used on the planetary gearboxes on the shooter retraction mechanism and the collector, as well as what motors are attached to them.

EDIT:
Ok, so I figured out the answer to most of those questions (I finally found the robot reveal video on YouTube), I am however still curious as to what kind of surgical tubing you guys used for the shooter, and what the reduction is on the planetary used on the collector.

Adamz_

14-01-2014 22:35

Re: VEXpro Build Blitz

they shoot with surgical tubing, and the reduction for the choo choo is 300:1 i believe

Dad1279

14-01-2014 22:35

Re: VEXpro Build Blitz

Quote:

Originally Posted by cbale2000 (Post 1327341)

http://www.chiefdelphi.com/forums/sh...d.php?t=124439

Aren_Hill

15-01-2014 10:51

Re: VEXpro Build Blitz

Quote:

Originally Posted by cbale2000 (Post 1327341)

Mcmaster Black Latex Tubing, 1/2" OD x .25" ID I believe. Also, 9:1 reduction for the pickup with a MiniCIM driving it.

cbale2000

15-01-2014 11:06

Re: VEXpro Build Blitz

Quote:

Originally Posted by Aren_Hill (Post 1327540)

Mcmaster Black Latex Tubing, 1/2" OD x .25" ID I believe. Also, 9:1 reduction for the pickup with a MiniCIM driving it.

This stuff?

http://www.mcmaster.com/#catalog/120/127/=q9gqwz

EDIT: Nevermind, saw the response in the other thread, thanks. :)

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