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-   -   pic: Here is our final primary design. (http://www.chiefdelphi.com/forums/showthread.php?t=133331)

Jonathan Norris 22-01-2015 16:32

Re: pic: Here is our final primary design.
 
Love the simplicity of this design, you can probably get away with only 2 vertical members and A framing it properly, but I suspect the 4 vertical members makes the track easier to build and less susceptible to binding. I'm a big fan of fast human player loading, its going to be the fastest way to build stacks. I'll bet most regionals can be won by just stacking all the HP Totes and placing a couple bins.

Kevin Ainsworth 22-01-2015 20:24

Re: pic: Here is our final primary design.
 
We think you are the perfect robot!!!
Good strategy, keep it up.
Hope to join up with you at Champs.

GeeTwo 23-01-2015 00:25

Re: pic: Here is our final primary design.
 
Quote:

Originally Posted by JohnSchneider (Post 1432183)
If their plan was to just score on totes then a larger number, maybe even > 6 might be optimum.

Read rule 3.1.2.3:
Quote:

A Gray TOTE is scored if it is fully supported by a SCORING PLATFORM and no portion of the TOTE extends above the top of the
BACKSTOP.
Unless you're opening the lids on the totes so you can nest them (and that's right out according to the blue box below G16), any stack height above six is worth nothing extra.

Even though we have a "bottom stacker", we've tried to make our design as tall as possible, with the idea that if it should prove too unstable during driver practice (or early rounds), we can tone it down, while we can not exceed the design at the last minute. As long as we have RCs available, we currently expect to make a 4 or 5 tote stack, score it, then add one or two totes on top with an RC (and possibly litter) to score the big points. Unless you've come up with some whiz-bang way to stabilize the stack (and especially the RC), trying to "bottom stack" six totes with an RC on top while staying under 78" sounds like an exercise in futility.

staplemonx 23-01-2015 10:18

Re: pic: Here is our final primary design.
 
Quote:

Originally Posted by asid61 (Post 1432283)
I'm certain that the game will come down to the cans at the high level, maybe even at elims at regionals. If you "waste" cans by using them on 4-5 tote stacks, you are dependent on either the clock running out too fast for everybody or on the inefficiency of other teams to get cans. If you have good can grabbers, then it makes sense to make shorter stacks as time becomes the limiting factor.
JMO though. The real test will be when competitions actually begin.

Agree to a point. At mid level regionals, we are pretty confident that stacking 4 stacks of 4 totes will get you into eliminations. We are just as confident that strategy will most likely not win in eliminations at those same mid level regionals unless the an alliance partner can do one of the following things:
  1. build stacks of 2 totes and containers for us to pick up
  2. can top our stacks of 4 with containers or totes and containers
  3. can build their own stacks of 4 faster, in which case we build stacks of 2 and containers for them to pick up

Our robot is not made to win a regional on its own. we may try that in future years.

RunawayEngineer 23-01-2015 15:24

Re: pic: Here is our final primary design.
 
Quote:

Originally Posted by excel2474 (Post 1432227)
You also need to consider that you may have to drive slower with a stack of 6 than a stack of 4, so carrying more does not equal less travel time in all cases. Maybe there is an optimum number like 5.

A lot of teams are going to realize that these designs that only control a stack from the bottom tote are going to have a hard time carrying a tall stack under match conditions: poor visibility, totes stacked at wrong angles, accidentally running over noodles/into the scoring platform, taps by passing alliance partners, etc. Carrying 6 even without an RC on top is going to be slow going.
Carrying a full stack with speed might require an additional actuator depending on the setup - so I expect to see teams switching from precarious 6 stacks to manageable 3 or 4 stacks.

Soupp 24-01-2015 14:43

Re: pic: Here is our final primary design.
 
well i guess well see you out there (;


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