Difference between revisions of "DEWBOT V Build"
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;[[DEWBOT V Week Three Build Season Photo Gallery|Week Three Photo Gallery]] | ;[[DEWBOT V Week Three Build Season Photo Gallery|Week Three Photo Gallery]] | ||
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===Week Four - Hopper Fabrication (1/25-1/31)=== | ===Week Four - Hopper Fabrication (1/25-1/31)=== | ||
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*Bent and welded outer hopper spiral | *Bent and welded outer hopper spiral | ||
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<gallery widths=250 heights=250> | <gallery widths=250 heights=250> | ||
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File:DB5_Rizzo_Featherman_090129_csm.jpg|Mike Rizzo & Jarryd Featherman | File:DB5_Rizzo_Featherman_090129_csm.jpg|Mike Rizzo & Jarryd Featherman | ||
File:DB5_7th_wheel_090130_csm_1.jpg|7th wheel in assembly | File:DB5_7th_wheel_090130_csm_1.jpg|7th wheel in assembly | ||
| − | File: | + | File:DB5_7th_wheel_090130_csm_2.jpg |
| − | File: | + | File:DB5_second_drive_090130_csm.jpg|Dewbot V's second drive (pulling trailer) |
File:DB5_jig_for_welding_hopper_stand-offs_090131_csm.jpg|Jig used in welding hopper stand-offs | File:DB5_jig_for_welding_hopper_stand-offs_090131_csm.jpg|Jig used in welding hopper stand-offs | ||
File:DB5_welding_hopper_stand-offs_090131_csm.jpg|Siri Maley welding hopper stand-offs to uprights | File:DB5_welding_hopper_stand-offs_090131_csm.jpg|Siri Maley welding hopper stand-offs to uprights | ||
Revision as of 12:15, 20 June 2009
This page contains a week by week breakdown of what we did.
Contents
Kickoff
We attended the kickoff at Upper Darby HS where we were introduced to Lunacy via the NASA telecast from FIRST's New Hampshire headquarters.
Week One - Research and Brainstorm (1/3-1/10)
- Inventoried the Kit of Parts
- Researched previous designs in old FIRST Behind the Design books
- Discussed dumping versus shooting, benefits of rotating, etc
- Researched, tested, and analyzed Rover wheels' frictional coefficients
- Analyzed wide versus long chassis and 4 wheel versus 6 wheel drivetrain
- Settled on 6-wheel drive wide chassis, designed based on the hypothetical 2008 drive system, cut necessary pieces
- Began discussing fishtailing the trailer and perpendicular/pivot wheels
- Began designing Moon Rock pick-up system and Empty Cell holder (t-rex gripper)
- Began discussing heads-up display
- Welding practice
- Worked on building trailers
- Began developing meeting planning model
- Began discussing field-sharing with local teams
Week Two - Prototype and Chassis Fabrication (1/11-1/17)
- Welding practice
- Welded chassis
- Researched and prototyped spiral hopper with brushes
- Designed 7th Wheel
- Determined control strategy details
- Worked on drive programming
- Worked on trailers
- Discussed field-sharing with local teams
Week Three - Chassis Fabrication and Hopper Prototyping (1/18-1/24)
- Examined stiff, spiral vanes
- Examined lexan-walled or aluminum-railed hopper
- Prototyped hopper and spindle (determined entire turret would rotate with potentiometer)
- Designed aluminum rail hopper
- Prototyped wheel and pneumatic shooters
- Designed single under-ball shooter
- Welded frame
- Completed and painted chassis
- Began fabricating 7th Wheel
- Milled gearbox gears
- Completed gearboxes
- Began wheel drive modules
- Worked on drive programming
- Examined traction control
- Worked on camera-control of hopper
- Continued discussing heads-up display
- Completed first trailer and outpost, continued working on second
- Continued developing meeting planning model
Week Four - Hopper Fabrication (1/25-1/31)
- Prototyped beater-bar shooters
- Settled on pneumatic shooter
- Milled bearing blocks
- Finished wheel drive modules
- Fabricated beater-bar
- Drove chassis base
- Finished 7th Wheel
- Finished tank drive programming
- Designed battery mount
- Bent and welded outer hopper spiral
Steve Matthews (sometime mentor) and drive-train parts
drive-train parts
& more bits
Dewbot V hopper spider top laid-out for cutting & drilling
Matt Klufas (man of steel) cutting steel wheel axle
Alex Clark cutting 1/8" key
drive-train parts (coming together)
drive-train being assembled
Foster Schucker & Julie Bachmann w/ chassis
Carly McKown & Chassis
Faith McKown & Mike Rizzo build trailer vision target
drive-train side
Carly McKown & Elizabeth Murphy w/ chassis - thanks for the paint, Murph!
Carly McKown working on drive chains
Julie Bachmann & Foster Schucker
Julie Bachmann working on drive-train
Dewbot V's first drive
Heather McKown
Siri Maley cutting aluminum for hopper uprights
Matt Klufas assembling the beater bar
- DB5 Rizzo Featherman 090129 csm.jpg
Mike Rizzo & Jarryd Featherman
7th wheel in assembly
Dewbot V's second drive (pulling trailer)
- DB5 jig for welding hopper stand-offs 090131 csm.jpg
Jig used in welding hopper stand-offs
Siri Maley welding hopper stand-offs to uprights
Siri Maley & Alex Clark welding hopper stand-offs
Mike Rizzo in his work
Week Five
- Designed electronics panels
- Tested beater-bar
- Fabricated spindle
- Finished 7th Wheel mount
- Finished 7th Wheel drive programming
- Wrote basic operational spec
- Scrapped t-rex claw for Empty Cell idea
Week Six
Beth paints the box, we assemble the box outside in the freezing cold and we ship the robot.
