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Unread 24-03-2014, 22:58
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pic: Team 2168 - The Aluminum Falcons' 2014 Robot

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Unread 24-03-2014, 22:59
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Looks like another killer machine! Care to share some specs?
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Unread 24-03-2014, 23:07
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

You guys built another killer machine this year, it's especially amazing after hearing some of the setbacks and lost build time you guys encountered due to the weather this year. You guys had a great performance at Groton and an absolutely stellar performance at Rhode Island, you guys will no doubt be one of the top competitors at Boston and I can't wait to see any changes you may have made to your robot then.
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Unread 25-03-2014, 08:38
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Quote:
Originally Posted by BurkeHalderman View Post
Looks like another killer machine! Care to share some specs?
Drivetrain
- 28 x 27.5" Custom Parallel Plate Sheet Metal Chassis
- 8WD, Spread Center, 3" Colson Wheel, HDT Belt Drive w/custom hubs
- 3CIM Custom Single Speed Transmissions
- Free Speed of 12.9 ft/s

Catapult
- Spring Loaded Catapult w 3/ position adjustable pneumatic "tusk" for strategic shot locations w/pneumatic release
- Seven 7.68lb/in springs stretched from 7 " to 13.75".
- Catapult winch uses two 550 Bane Bot motors through two 50:1 Vex Pro Planetary Gearboxes on a 2" diameter spindle for a draw down time of approximately 1.1s

Intake
- Pneumatically actuated "goose neck" intake with strategically placed impact resistant poly-carbonate throughout and 1/8" sheet metal to provide flex and withstand impact.
- Powered by two 775-18 Bane Bots through 10:1 Vex Pro Planetary Gearboxes driving nested chain to 3.78" diameter bane bots (and at Groton 4" Mecanums... they'll be making a comeback :-)).
- Incorporates servo actuated poly-carbonate fingers to support 2 ball auto and firing on the move.

Robot Weight: 119lbs
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Unread 25-03-2014, 09:52
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Quote:
Originally Posted by lnex1357 View Post
Intake
- Pneumatically actuated "goose neck" intake with strategically placed impact resistant poly-carbonate throughout and 1/8" sheet metal to provide flex and withstand impact.
How do you like that lexan tubing? I noticed you appear to be using two 1"x1" square tubes. What is the wall thickness? Is 1"x2" just not an option? I do like the lightweight and flexbility...did you try and impact testing to see how much it would actually take to damage a tube beyond repair?
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Unread 25-03-2014, 10:22
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Quote:
Originally Posted by TD78 View Post
How do you like that lexan tubing? I noticed you appear to be using two 1"x1" square tubes. What is the wall thickness? Is 1"x2" just not an option? I do like the lightweight and flexbility...did you try and impact testing to see how much it would actually take to damage a tube beyond repair?
Tom,

We puchased the polycarb tube from McMaster. The wall thickness is .080" for the 1 x 1 (3161T31) we used, if you purchase 3/4 x 3/4 you can get 1/16" wall. We searched a number of places trying to find 2 x 1 but couldnt seem to locate anything other than 2 x 1 PVC. I would be overjoyed if there was a supplier for 2 x 1.

We never hammered on it, but it has been run into many times, and simply flexed and sustained scratches. The way we looked at it, is for the weight savings we would rather have one flex and/or break rather than have an aluminum one bend and bend other pieces of the intake with it. Its hard to see from the picture but we also have 1/4" poly carb plates as pivot point for our intake. These plates are nested inside the rather "beefy" pivot blocks. The end result is that the 1/4" poly plate combined with the 1 x 1 poly tube allows our intake to mantaine sufficent rigidity while collecting and traveling but flexs on impact with the wall or other other robots.
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FRC Team 2168 - Aluminum Falcons, [2011-20xx]

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"Desire is the key to motivation, but it's determination and commitment to an unrelenting pursuit of your goal - a commitment to excellence - that will enable you to attain the success you seek."
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Unread 25-03-2014, 10:26
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Another stellar job by 2168. As usual, our designs share similar attributes and techniques. You know what they say about great minds...

It's been a fun year already playing with you guys in Groton and against you in the Finals of RI. Our entire team was blown away by how much you guys turned it on by the end of quals at RIDE. You were on fire and carried that momentum right through into elims.

I'm stoked to see both our teams up at the 90 point mark after a tough Groton competition. That should comfortably put us both at BU in a couple of weeks!

-Brando
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Unread 25-03-2014, 10:33
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Quote:
Originally Posted by lnex1357 View Post
Tom,

We puchased the polycarb tube from McMaster. The wall thickness is .080" for the 1 x 1 (3161T31) we used, if you purchase 3/4 x 3/4 you can get 1/16" wall. We searched a number of places trying to find 2 x 1 but couldnt seem to locate anything other than 2 x 1 PVC. I would be overjoyed if there was a supplier for 2 x 1.

We never hammered on it, but it has been run into many times, and simply flexed and sustained scratches. The way we looked at it, is for the weight savings we would rather have one flex and/or break rather than have an aluminum one bend and bend other pieces of the intake with it. Its hard to see from the picture but we also have 1/4" poly carb plates as pivot point for our intake. These plates are nested inside the rather "beefy" pivot blocks. The end result is that the 1/4" poly plate combined with the 1 x 1 poly tube allows our intake to mantaine sufficent rigidity while collecting and traveling but flexs on impact with the wall or other other robots.
Thanks Josh. I plan on looking into that for DCMP. All these are simple replacements that can be made prior to the event and replaced quickly on the fly. The tubing across the top might be the solution for what I've found to be the biggest problem: shock loading up the gears when running into wall/1pt goal/robots. Being on the omni wheels, haven't see much need for the side-side sway, but I'm also looking at a lexan attachment point...either 1/4" lexan or starting with 2x1 aluminum tubing and sandwiching it with 1/16" lexan (sort of like what 67 does this year).
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Unread 25-03-2014, 10:33
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Wow, really nice machine out of 2168 again. I love the polycarbonate tubing, I hadn't heard of it before just now but I really want to try out using it at some point. Overall, just a really cool robot all around.
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Unread 25-03-2014, 14:21
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Re: pic: Team 2168 - The Aluminum Falcons' 2014 Robot

Hey guys, I just wanted to say it was awesome facing you guys in the finals at RI and just how crazy you guys were with a 2 ball auto like us. Don't see it too often that a 2 ball auto works as well as our's, your's, and 1519's did so I especially hope to see you guys again at the District Championship in Boston a few weeks from now. Great job guys! #ITTAKES2
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