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  #16   Spotlight this post!  
Unread 01-13-2018, 02:37 AM
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Re: Team Update 2

Quote:
Originally Posted by Cyberphil View Post
We noticed a few significant issues when building our field. Very much a shame that these modifications were made so late.

Edit: I think FIRST needs to hire a carpenter, or maybe outsource one for a few months to develop the team drawings. There were a bunch of really strange features that didn't make a lot of sense, and the assemblies were absolutely asinine. A cut layout would be really great so low-resource teams could get the most bang for their buck too, but baby steps.
Yep... took me a day to translate the supplied drawings into a useful format. It saved three sheeets of plywood relative to the recommended amounts. I have put it into my calendar to contact FIRST about this next November to offer assistance. Their engineers are likely great engineers, but they are lousy cabinet makers.

I did ask FIRST to share my layout drawings, but understandably (and now rather ironically) they could not because they could not confirm their accuracy. I shared the drawings here on CD. HQ really tries to get this right, but plywood layout and cutting diagrams arenít taught at many engineering schools, I donít think.

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Unread 01-13-2018, 02:48 AM
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Re: Team Update 2

Quote:
Originally Posted by sanddrag View Post
Minutes before the update was released, we just finished cutting all the lumber....
Oh no... we didnít cross reference our final build to the field drawings, sorry... hopefully the relevant parts can be modified!

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Unread 01-13-2018, 08:15 AM
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Re: Team Update 2

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Originally Posted by dtengineering View Post
Oh no... we didnít cross reference our final build to the field drawings, sorry... hopefully the relevant parts can be modified!

Jason
I believe most of the parts are smaller than they were in the original drawings. They should be able to be cut down.

I think the only longer pieces are the rung supports. Unless your robot is going to be climbing both sides of the scale at once, you may be able to cheat with your existing parts to make one rung the correct distance from the tower.

It still really stinks, but hope this helps save time and money.
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Unread 01-13-2018, 08:33 AM
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Re: Team Update 2

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Originally Posted by Richard Wallace View Post
Bumper zone 1/2" higher!

I wonder why this change is needed?
It does allow for more clearance at the platform incline...

Regarding the team drawings, thats just frustrating...
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Unread 01-13-2018, 09:49 AM
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Arrow Re: Team Update 2

Quote:
Originally Posted by Hadi379 View Post
It does allow for more clearance at the platform incline...

Regarding the team drawings, thats just frustrating...
Week 1 practice field builders are procrastinators' beta testers.
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Unread 01-13-2018, 11:56 AM
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Re: Team Update 2

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Originally Posted by Travis Hoffman View Post
Week 1 practice field builders are procrastinators' beta testers.
And the kickoff builders are alpha testers...
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Unread 01-13-2018, 06:12 PM
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Re: Team Update 2

The rework to our existing cuts was not bad at all. These are minor changes. Just two simple pieces to remake. Not a big deal thankfully.
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Unread 01-13-2018, 08:48 PM
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Re: Team Update 2

Quote:
Originally Posted by dtengineering View Post
I did ask FIRST to share my layout drawings, but understandably (and now rather ironically) they could not because they could not confirm their accuracy. I shared the drawings here on CD. HQ really tries to get this right, but plywood layout and cutting diagrams arenít taught at many engineering schools, I donít think.
I imagine there are a lot of hoops you would have to jump through (NDA, ensuring you were qualified, etc.), but I know all of the FRC teams in the world would be very appreciative. There were numerous simple things that would have made this field build significantly easier.

I definitely didn't learn anything about layout and cutting diagrams in school, I just got lucky and had a carpenter as a father.
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Unread 01-14-2018, 01:52 AM
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Re: Team Update 2

Quote:
Originally Posted by Richard Wallace View Post
Bumper zone 1/2" higher!

I wonder why this change is needed?
Because the KOP bumper mounting bracket is set up so that it put the top of a 5" piece of wood at exactly 7" so this gives enough room for fabric, some angle or multiple layers of fabric and some velcro if you have flip bumpers.
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Unread 01-14-2018, 02:00 AM
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Re: Team Update 2

Quote:
Originally Posted by EricDrost View Post
Warning to 55" tall, championship bound teams:

2018 crate rules dictate that teams build a maximum of 60" tall crate, including a 4" tall forklift base. Add in 1/2" thick wooden floor and ceiling and you're sitting at exactly 55" left for robot.
Our 2015 robot was a fairly tall forklift. Its design allowed us to disconnect part of its support in a way that allowed it to tilt back to fit into our crate diagonally.

Quote:
Originally Posted by Cyberphil View Post
Edit: I think FIRST needs to hire a carpenter, or maybe outsource one for a few months to develop the team drawings.
To build them as a sanity check would be beneficial.
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Unread 01-14-2018, 02:03 AM
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Re: Team Update 2

Quote:
Originally Posted by EricDrost View Post
Warning to 55" tall, championship bound teams:

2018 crate rules dictate that teams build a maximum of 60" tall crate, including a 4" tall forklift base. Add in 1/2" thick wooden floor and ceiling and you're sitting at exactly 55" left for robot.

https://firstfrc.blob.core.windows.n...nstruction.pdf
My math leaves you a little room as 3 1/2" + 15/32" + 15/32" + 55" = 59 5/16" So you've got a full 7/16" to work with.
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