Build Your Own Combat Robot phần 6 potx

[...]... behind the robot; reach down below it to push it off obstacles or lift while the robot is upside down; and even, in some cases, travel unrestrained 360 degrees 211 212 Build Your Own Combat Robot You must keep leverage in mind when designing a lifter It does no good to have enough power to pick up an opponent if your robot falls forward while doing so Because you are usually not trying to get your opponent... thing that catches most robot builders by surprise is the final weight of their robot When building your robot, keep in mind that your robot will always weigh more after you build it than you originally thought Take this factor into consideration when you are in your preliminary design phase Believe us, you’d rather add weight to a robot at the competition than have to drill holes in your precious fighting... robot design 205 2 06 Build Your Own Combat Robot This type of robot lives or dies by its power, traction, and durability Choose the largest drive motors and batteries and motor controllers to handle them, and base your frame around them You should have as a minimum 1 HP of total drive power per each 50 pounds of your robot s weight More is always better, as the strongest ramming robots have as much... spinning blade that can deliver a 300-MPH uppercut to its opponents Because the robot s main weapon is a spinning blade, it had to adhere to the rules regarding robots with spinning parts —Ronni Katz 207 208 Build Your Own Combat Robot Wedge Bots The wedge was first used in the robot Slow Moe (Robot Wars, 1994 Examples of robots using a wedge include La Machine, Punjar, Bad Attitude, and Subject to Change... attached to the body of your bot In areas of your robot where vibration may be a severe problem, such as a combat robot, the use of a lock nut is preferred These types of nuts offer resistance to screwing when tightening, but they also offer resistance to coming unscrewed during vibration Some lock nuts derive their binding resistance from being slightly 199 200 Build Your Own Combat Robot deformed (smashed),...192 Build Your Own Combat Robot How to Know When You Need a Sponsor (continued) Team Nightmare’s Jim Smentowski doesn’t think impersonal correspondence is effective He always recommends meeting in person “Show your robot to your potential sponsors in person Don’t just e-mail or call them; you need to meet with them in person Hype your bot and explain how much publicity... make the robot turn awkwardly Your wheels should be large, with a diameter between a quarter and a third of your robot s length for a four-wheeled design Large wheels are more durable than smaller ones, with more material that needs to be damaged to make the wheel useless Large wheels, protruding through the top of your robot s armor as much as the bottom, make your robot able to drive upside down as... use fall within the 1 60 number sizes A 60 –80 set is used only for drilling tiny holes The lettered sizes are used for sizes larger than a quarter inch You might want to spring for a few extra bucks to buy a titanium-nitride set of drills that last a lot longer As you find your most used drills beginning to dull, you can also buy a drill-bit sharpener 193 194 Build Your Own Combat Robot Of course, to... you’ve got your robot s design all worked out, you can start to think about the best ways to assemble it If you’re building a combat robot, words like strong, tough, resilient, and similar phrases come to mind Your creation will leave your workshop and enter an unfriendly battlefield where every opponent is trying to smash it to bits, not to mention the actual arena itself with its many hazards Your machine... many tons, far above even the heaviest robot Heavy steel forgings and castings are welded together or connected by huge bolts and pins Battle robots contain heavy batteries, weapons, and motors and have a minimal amount of mass left to apply to structural needs Careful design using strong but light fastening methods is important 195 1 96 Build Your Own Combat Robot Arc, MIG, and TIG Welding Welds seem . tubular column within the robot to help transfer loads into the 190 Build Your Own Combat Robot FIGURE 9-1 Heavy Aluminum C-channel extrusions forms the sides of the external robot structure. FIGURE. for your robot to be on TV and toys.” Sponsorship meetings aren’t the time for humility or modesty. Be proud of your robot; be up-front about your talents and combat record; and back up your. strong but light fastening methods is important. Chapter 9: Robot Material and Construction Techniques 195 1 96 Build Your Own Combat Robot Arc, MIG, and TIG Welding Welds seem to be the first