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Re: How much do you design before kickoff?
heres a lil-time line,
1) kickoff comes and goes (yr 2003) - first thing noticed - objects on playing surface 2) look at previous yr robot (2002) - wheels where a bad idea - for 2003 belts will be used 3) design an easy access no hesitation for part removal robot - used napkings / paper plates / tooth picks / etc..... 4) test robot on mock up surface and ship 5) compete with robot in regionals and nationals and design robot for 2004 6) take 2003 robot drive train and make 2004 drive train with some slight alterations 7) kickoff 2004 - first thing noticed - objects on playing field 8) look at previous yr robot 2003 - belts very good idea 9) apply 2004 drive train to robot and test and ship 10) repeat all steps as the season goes by you should already be thinking about next years robot or at least the drive train which is a major mild stone that each team faces. you can always build a structure for the robot cause that usually don't change all that much but after your done with the frame you gotta remember to build the drive train. once those 2 are finished then you have plenty of time (6 weeks) to decide on how you want to be able to score. the one thing you don't want to get stuck with is building a robot you can't work in. always build something thats easily accessible so that you can remove parts with ease. for instance i'm working on a robot from 2002 - back in that time all the team cared about was getting it built now come 2 years later the motors goes and you find out that bosch don't make the motors from 2002. your only option is to use the current motors which means these motors will take up more space. in 2002 it took me an hour - 2 hrs to do a motor change, now in 2004 since I have to use different size motors it has taken me lil over a month and still counting to put the motors in because: a) back then no one thought the motors in that robot would go as quick as they did b) the work area was not designed to handle a bigger motor so now the frame needs to be retrofitted. c) the frame had little space to begin with to work in and now it has gotten smaller since this robot needs to be retrofitted the followin needs to be redesigned a) motor mounts ( since originally they just sat in the drill case and becuase of the size the bigger ones don't fit.) b) robot controller location ( only because where the old motors where it fit fine and now with the new motors it don't fit at all ) - keep in mind no space c) re wiring of power and pwms to the robot controller. moral of the story - build the robot frame to the maximum length and width including the wheels / belts and the drive train. and make sure theres enough space in case you may need to change the design around. always look at a previous years robot and take its qualities into consideration. if you have a spare robot controller mount that to the frame to get an idea where you want it that is easily accessible remember the design and partial build phase begins when the season starts and never ends |
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