Go to Post sometimes you just have to escape the wheel. - Tytus Gerrish [more]
Home
Go Back   Chief Delphi > ChiefDelphi.com Website > Extra Discussion
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
Reply
Thread Tools Rate Thread Display Modes
  #1   Spotlight this post!  
Unread 22-03-2009, 10:04
AdamHeard's Avatar
AdamHeard AdamHeard is offline
Lead Mentor
FRC #0973 (Greybots)
Team Role: Mentor
 
Join Date: Oct 2004
Rookie Year: 2004
Location: Atascadero
Posts: 5,525
AdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond repute
Send a message via AIM to AdamHeard
pic: Team 973 2009 Robot - RAPTOR

Reply With Quote
  #2   Spotlight this post!  
Unread 22-03-2009, 10:05
jblay's Avatar
jblay jblay is offline
Here comes StuyPulse
AKA: Joe Blay
FRC #0694 (StuyPulse)
Team Role: Coach
 
Join Date: Feb 2008
Rookie Year: 2006
Location: New York, NY
Posts: 984
jblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond reputejblay has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

this bot is disturbingly beautiful. i just spent 10 minutes staring at it and appreciating it.
__________________
It's pronounced StighPulse like HighPulse
2016 Curie Champions
2016 New York City Champions
2016 New York City Engineering Inspiration
2015 New York City Finalists
2013 New York City Champions
2012 Connecticut Chairman's
2011 Connecticut Chairman's
2010 Connecticut Chairman's

2010 New York City Champions
2008 New York City Engineering Inspiration
2007 New York City Finalists
2006 New York City Finalists
2005 New York City Chairman's
2003 New York City Champions
2002 New York City Engineering Inspiration
2001 New York City Finalists
Reply With Quote
  #3   Spotlight this post!  
Unread 22-03-2009, 11:41
HighLife's Avatar
HighLife HighLife is offline
Mentor
FRC #0245 (Adambots)
Team Role: Mentor
 
Join Date: Jan 2007
Rookie Year: 2006
Location: Rochester Hills, MI
Posts: 74
HighLife will become famous soon enough
Send a message via AIM to HighLife
Re: pic: Team 973 2009 Robot - RAPTOR

There is a slightly simpler version , check out ours:
http://www.thebluealliance.net/tbatv/team/245

There is also another robot out there that is similar:
http://www.thebluealliance.net/tbatv/team/121

The different variations of this design seem to be winning a lot of competitions this year.
__________________
AdamBots.com- Winner of 7 Best Website Awards!
Reply With Quote
  #4   Spotlight this post!  
Unread 22-03-2009, 11:45
JesseK's Avatar
JesseK JesseK is offline
Expert Flybot Crasher
FRC #1885 (ILITE)
Team Role: Mentor
 
Join Date: Mar 2007
Rookie Year: 2005
Location: Reston, VA
Posts: 3,712
JesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

This pic just made my favorites list ... I was wondering whatever came of your request for inexpensive tight-tolerance aluminum rods.

How badly does the ABS fatigue, and is this pic of the bot after a competition? It looks like the lower front pulley of your exhaust is bending inward a bit.
__________________

Drive Coach, 1885 (2007-present)
CAD Library Updated 5/1/16 - 2016 Curie/Carver Industrial Design Winner
GitHub
Reply With Quote
  #5   Spotlight this post!  
Unread 22-03-2009, 12:25
RyanS's Avatar
RyanS RyanS is offline
Team Captain
AKA: Power Driver
FRC #0294 (Beach Cities Robotics)
Team Role: Leadership
 
Join Date: Aug 2007
Rookie Year: 2006
Location: Manhattan Beach Ca
Posts: 55
RyanS has a spectacular aura aboutRyanS has a spectacular aura about
Re: pic: Team 973 2009 Robot - RAPTOR

My favorite thing about Raptor are the 28 (I think there are 28) RC Car tires on the 2 ABS intake pulleys.


Oh and the black Garolite.



Great job in LA guys!
__________________
2010 Los Angeles Finalists
2010 San Diego Regional Winners
2009 Los Angeles Regional Finalists
2008 San Diego Regional Winners
2008 FTC World Champions
Reply With Quote
  #6   Spotlight this post!  
Unread 22-03-2009, 13:16
roboticWanderor's Avatar
roboticWanderor roboticWanderor is offline
Spark The Ancient
FRC #0418 (Purple Haze)
Team Role: College Student
 
Join Date: Jan 2008
Rookie Year: 2006
Location: Austin, TX
Posts: 198
roboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant futureroboticWanderor has a brilliant future
Re: pic: Team 973 2009 Robot - RAPTOR

I really like ya'lls rollers , made from ABS eh?
care to mention where you got the material and how you machined them so nicely?
Reply With Quote
  #7   Spotlight this post!  
Unread 22-03-2009, 13:52
Brad Voracek Brad Voracek is offline
.999~=1
FRC #0399 (Eagle Robotics)
Team Role: Alumni
 
Join Date: Jan 2006
Rookie Year: 2005
Location: Lancaster, CA (SoCal)
Posts: 328
Brad Voracek is a glorious beacon of lightBrad Voracek is a glorious beacon of lightBrad Voracek is a glorious beacon of lightBrad Voracek is a glorious beacon of lightBrad Voracek is a glorious beacon of light
Send a message via AIM to Brad Voracek
Re: pic: Team 973 2009 Robot - RAPTOR

eh, it's not too orange Adam.

Can never have too much orange...
__________________
.999~ (Repeating) is equal to one (1).


Team 399 - Eagle Robotics
Reply With Quote
  #8   Spotlight this post!  
Unread 22-03-2009, 20:25
=Martin=Taylor= =Martin=Taylor= is offline
run the trap!!!
FRC #0100 (The Wild Hat Society)
Team Role: Human Player
 
Join Date: Feb 2006
Rookie Year: 2005
Location: Bezerkeley, California
Posts: 1,255
=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute=Martin=Taylor= has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

Quote:
Originally Posted by Brad Voracek View Post
eh, it's not too orange Adam.

Can never have too much orange...
I second that... Although some teeth and eyes would be nice. You can't have a raptor without teeth


What exactly are all the holes in the frame for? Did you drill all those yourselves, or was it some type of extrusion that had holes in it already?
__________________
"Cooperation; because life is a team sport"
-Philip J. Fry
Reply With Quote
  #9   Spotlight this post!  
Unread 22-03-2009, 21:23
EricH's Avatar
EricH EricH is offline
New year, new team
FRC #1197 (Torbots)
Team Role: Engineer
 
Join Date: Jan 2005
Rookie Year: 2003
Location: SoCal
Posts: 19,819
EricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

Quote:
Originally Posted by Hachiban VIII View Post
What exactly are all the holes in the frame for? Did you drill all those yourselves, or was it some type of extrusion that had holes in it already?
I believe those were for weight savings.
__________________
Past teams:
2003-2007: FRC0330 BeachBots
2008: FRC1135 Shmoebotics
2012: FRC4046 Schroedinger's Dragons

"Rockets are tricky..."--Elon Musk

Reply With Quote
  #10   Spotlight this post!  
Unread 23-03-2009, 00:04
Zyik Zyik is offline
Observer
no team
 
Join Date: Jan 2006
Rookie Year: 2006
Location: SLO
Posts: 507
Zyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond reputeZyik has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

Quote:
Originally Posted by Hachiban VIII View Post
What exactly are all the holes in the frame for? Did you drill all those yourselves, or was it some type of extrusion that had holes in it already?
Trust me, we drilled them all ourselves. And then we deburred* them...
It took FOREVER.

*Spelling?
__________________
Team 973 : 06-09
Reply With Quote
  #11   Spotlight this post!  
Unread 23-03-2009, 01:47
AdamHeard's Avatar
AdamHeard AdamHeard is offline
Lead Mentor
FRC #0973 (Greybots)
Team Role: Mentor
 
Join Date: Oct 2004
Rookie Year: 2004
Location: Atascadero
Posts: 5,525
AdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond repute
Send a message via AIM to AdamHeard
Re: pic: Team 973 2009 Robot - RAPTOR

The holes are something I invented a while back to irritate the kids use as a standard mount. It's a #7 (.201) Hole on a 1/2" hole pattern. It actually hasn't been used much so far, as we got close on weight we started welding things on (and haven't had many last minute additions) along with the fact that because the kids were whining, we didn't do every face, so we mounted to some faces lacking holes. #7's are great as they are a #10 bolt clearance, tap size for a 1/4-20 and work fine with normal 3/16" rivits.

Some were done on a drill press with a jig, some were done on a manual mill.

If it were done for weight, it wouldn't be worth it, as each .201 diameter by 1/16" long disk removed must be extremely light. .0002 pounds actually.

As for the RC car tires, we use 28 on the intake, 14 per pulley, and an additional 14 on the exhaust pulley that touches the hopper. With the 6 in drive, that's 48 "wheels".

We never actually bought precision shaft, just ended up using rod and polishing it.

We haven't noticed any ABS fatigue, and the intake pulley doesn't bend at all in that picture, probably an artifact of the cropping in photoshop. There is a 1" OD, 1/8" wall 6061 tube running down the center of him that does a pretty good job of keeping him straight. However, any pulleys without such a sleeve put under high tension do bend, so most pulleys on the competition robot have at least a 1/32" wall thick sleeve.

Thanks for all the kind words.
Reply With Quote
  #12   Spotlight this post!  
Unread 23-03-2009, 02:26
Michael Corsetto's Avatar
Michael Corsetto Michael Corsetto is offline
Breathe in... Breathe out...
FRC #1678 (Citrus Circuits)
Team Role: Mentor
 
Join Date: May 2004
Rookie Year: 2002
Location: Davis, CA
Posts: 1,139
Michael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

One of my favorite robots this year, if only because it rivals Team 100 in orange-ness

I have couple basic questions about fabrication, it seems like you did some of the same things we did, but much better. How did you join your urethane belting together? Where did you purchase the ABS tubing, and why go with ABS instead of PVC? Judging off of McMaster's prices PVC seems like a much much cheaper material choice. And last question, how deep are the grooves in your ABS, and have you had any problems with belts skipping off?

I love the design, any tips you can offer would be appreciated, our only belt system doesn't look remotely as good as the 5 you guys have on this bot. Excellent job 973!
__________________
Team 1678: Citrus Circuits - Lead Technical Mentor, Drive Coach **Like Us On Facebook!**
Reply With Quote
  #13   Spotlight this post!  
Unread 23-03-2009, 02:44
AdamHeard's Avatar
AdamHeard AdamHeard is offline
Lead Mentor
FRC #0973 (Greybots)
Team Role: Mentor
 
Join Date: Oct 2004
Rookie Year: 2004
Location: Atascadero
Posts: 5,525
AdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond repute
Send a message via AIM to AdamHeard
Re: pic: Team 973 2009 Robot - RAPTOR

After looking at all the material properties, we chose (guesstimated) that ABS was the best material to go with.

We actually bought 2.5" OD ABS and had it turned to 2" OD. A local machine shop specializes in tubing and it was no problem at all for them. They were turned to 2" OD, cut to length (they held 29.5 to 3 thou!), gundrilled at 1" thru, and finally bored to 1.125" for 1/2" on each end. After all that, a 1/4" round grooving tool was used to groove 3/16" deep. In hindsight 1/4" would be better, as we've had some small issues with belts jumping, but most jumping issues were solved when we used properly tensioned belts; I think I only saw 2-3 belts jump at LA.

In terms of price, it's not cheap stuff exactly, but we always do our homework and shop around. We think if you're buying massive amounts of material from mcmaster, you're doing something wrong. I think we ended up going with Interstate Plastics, who had it for somewhere around $16-19 a foot after haggling.

We weld our belts with a soldering gun with a spade tip and a jig we bought on ebay for specifically welding round belt. Works great. In terms of strength, there is no difference between that and a Jig would made that was basically two plates with matching slots, but it's certainly easier to use. We initially trimmed them with dykes that were custom ground to have no back angle, but while being lazy I found that a table belt sander works great (not sure if fine grit is required, it's what we used and it worked great for us).
Reply With Quote
  #14   Spotlight this post!  
Unread 23-03-2009, 03:02
Michael Corsetto's Avatar
Michael Corsetto Michael Corsetto is offline
Breathe in... Breathe out...
FRC #1678 (Citrus Circuits)
Team Role: Mentor
 
Join Date: May 2004
Rookie Year: 2002
Location: Davis, CA
Posts: 1,139
Michael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond reputeMichael Corsetto has a reputation beyond repute
Re: pic: Team 973 2009 Robot - RAPTOR

Wow, thanks for the detailed response! Seems like you were fortunate to have that machine shop with tubing capabilities, probably not something a lot of teams could pull of with a basic lathe. In any case, thanks a lot for the insight! Good luck at Las Vegas and Champs!
__________________
Team 1678: Citrus Circuits - Lead Technical Mentor, Drive Coach **Like Us On Facebook!**
Reply With Quote
  #15   Spotlight this post!  
Unread 23-03-2009, 03:32
Cory's Avatar
Cory Cory is offline
Registered User
AKA: Cory McBride
FRC #0254 (The Cheesy Poofs)
Team Role: Engineer
 
Join Date: May 2002
Rookie Year: 2001
Location: Redwood City, CA
Posts: 6,821
Cory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond repute
Send a message via AIM to Cory
Re: pic: Team 973 2009 Robot - RAPTOR

Quote:
Originally Posted by Michael Corsetto View Post
Wow, thanks for the detailed response! Seems like you were fortunate to have that machine shop with tubing capabilities, probably not something a lot of teams could pull of with a basic lathe. In any case, thanks a lot for the insight! Good luck at Las Vegas and Champs!
In 2006 we turned the rollers for our practice bot on a 13x40 lathe (fairly common size for any kind of school machine shop with lathes) without much difficulty.

As long as you have the travel it's not too hard to do it manually. Takes a long time though.
__________________
2001-2004: Team 100
2006-Present: Team 254
Reply With Quote
Reply


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
pic: Team 20 *2009* Robot bbr4d3r Extra Discussion 23 27-02-2009 21:07
pic: Team 604 2009 robot natalie604 Robot Showcase 10 20-02-2009 19:37
pic: Team 973 Upper Frame AdamHeard Extra Discussion 12 05-02-2009 11:18
pic: Team 973 Teaser 4.... is that pedro? AdamHeard Robot Showcase 13 03-02-2008 12:50
pic: Team 973 robot photo leak! Drwurm Robot Showcase 5 31-01-2008 19:26


All times are GMT -5. The time now is 04:19.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi