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May 24, 2008 15:30:16 GMT -5
Post by AJ on May 24, 2008 15:30:16 GMT -5
AJWars: Four Way League
Tenderizer's Revenge - Richard Southworth Ankle Biter The Second - Matt Robinson Killotine: EVO - Steven McGregor Black Chalkie Beard - Dave Sheppard
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May 24, 2008 15:30:39 GMT -5
Post by AJ on May 24, 2008 15:30:39 GMT -5
TENDERIZER'S REVENGE 2 Weight: 97kg Shape: Low invertable box with low wedge at the front and inverted wedge at the back - painted blue with its name painted to look like blood on the skirts Dimensions: 90 x 90 x 20 Speed: 15mph Ground Clearance: 0 all around due to low wedge and skirts, 2mm behind side skirts, 20cm behind skirt on inverted wedge. Both wedges have skirts attached to them at their edge. The wedge and side skirts are attached to rotatable cylinders inside the robot (or wedge) so they can be moved up and down. When they are down, they are very low and it's hard to get underneath, but the robot's speed is reduced to 9mph. The side skirts can go up to a point where they work inverted. The skirts on the wedges move within 90 degrees - when their wedge is inverted, they are in a vertical position to repel flippers, and when their wedge is right way up, they are in a horizontal position, riding along the ground to help get under robots. When the robot is moving around normally, all skirts except the front wedge one are pulled down low but not to maximum lowness so it can move quickly - the skirts go to maximum lowness if a flipper comes anywhere near it. Armour: Main body has 5mm polycarbonate on top of 5mm titanium, skirts are 4mm titanium, wedges are 5mm hardox Wheels: 4, inside robot Power: 36V battery and motors Weapon: An electrically powered lifting arm, which runs along half of the top of the robot - its tip is pointed to help hold onto robots, and is at the point where the wedge meets the body, and it does not go down the wedge. It can rotate through 360 degrees so it can be used when the robot is inverted. Srimech: Invertable - arm will act as srimech, but this will hardly happen as the robot works identically both ways up. Moveable skirts prevent it from resting on its sides. Tactics: Run into opponents, try to get under them, then get them onto its top and onto the arm. The arm turns them over, or catches them so I can carry them around. Strengths: Decent pushing power; moveable skirts; difficult to attack by flippers Weaknesses: May struggle to use arm against some opponents
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May 24, 2008 15:31:07 GMT -5
Post by AJ on May 24, 2008 15:31:07 GMT -5
Name: Ankle Biter The Second (formely Ankle Biter) Shape: Low invertible box Motivation: 4 inner wheels Colour: Black with purple highlights around the edges Speed: 15MPH Weight: 100kg Height: 25mm Length: 80mm Width: 60mm Weapon: The weapon is a 10000rpm 24kg spinning drum powered by a B42-500 Magmotor on 48v. The spinning drum is gears 2.4:1 and has a spin up time of less than 4 seconds. The weapon has a unique feature of being able to be retracted within the body to allow it to spin up to full speed with out being stalled. The weapon is retracted and extended within 0.5 second using a hi-speed linear actuator which is strong enough to withstand the energy of the drum plus more. The Drum generates 132631.3joules of energy(calculations done on the Team Cosmos Kinetic Energy Calculator) at full speed and will easily flip robots, skirts and debris up off the floor during impacts. Drive: The drive is a 4WD system using 4 Volcalon rubber wheels and using two C40-500 Magmotors. Not the most powerful pushing system, but will give it enough to power to be mobile and to get out the road of attacks. Batteries: 48v 9amp worth of NiCD cells Armour: 10mm Grade 5 Titanium Notes: This is my pride and joy. This is hopefully the next MDU in the making! Strengths: Devastating weapon Weaknesses: Untested
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May 24, 2008 15:31:30 GMT -5
Post by AJ on May 24, 2008 15:31:30 GMT -5
NAME- Killotine: EVO SHAPE- compact box shape with a front Storm 2-style wedge COLOUR- red WEIGHT- about 100kg DIMENSIONS- 100cm X 70cm X 35cm SPEED- about 16mph TURNING CIRCLE- 0m GROUND CLEARANCE- virtually 0mm at the front, 10mm at sides and back without skirts, 0mm at sides and back with skirts ARMOUR- 15mm polycarbonate top and bottom, 3.25mm Hardox armour at sides, front and back WHEELS- inside robot, 4WD POWER- 2 X LEM-130s WEAPONS- The main weapon is the large 180 degree pneumatic axe, very similar to that of Killerhurtz, which operates ala a rack-and-pinion system like Terrorhurtz. Running on 160psi, it really packs more than a punch and can very easily self-right the machine. Also, if anything should happen to the axe, then the robot can use the low Storm 2-style wedge and great pushing power to resort to a Tornado-style tactic – ram to death! SRIMECH- The axe. Even if it’s already been fired while flipped, the axe can right itself ala Killerhurtz, aided by a rounded back. Also, just like the original Killotine, the machine has a rounded back and a red semi-sphere on either side of robot to stop it landing on its side. NOTES- flies the Scotland flag, the new version of my 2nd ever Vapourbot, Killotine STRENGTHS- Fast, dangerous weapon, good amount of traction, difficult to get under, quick srimech, nice and fast WEAKNESSES- so-so turning
(To aid in getting under its opponents, Killy now sports a small titanium plate attached to the wedge, running along the ground. At only 1mm thick, the 'spatula' is designed to make Killy much more effective against skirted bots. Also, the entire axe (the shaft, the Killerhurtz head and the swinging mechanism) is completely made of 3.5mm Hardox. Let's see you rip the hammer off NOW, guys!)
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May 24, 2008 15:32:34 GMT -5
Post by AJ on May 24, 2008 15:32:34 GMT -5
Black Chalkie Beard
Part names – Part 1 will be known as Black, part 2 will be known as Beard Type – 2-way clusterbot, both parts are the same except for the colour and the linking method. Team – Emma is the driver of part 1, Dave is the driver of part 2, and Steve is the weapons on part 1, and John the 4th member is on the weapons on part 2. Mass – 100 kg. Black is 49.3 kg, and Beard is 49.7 kg. Dimensions - Height - The chassis is 7 Cms high, the wheels are another half CM to each end to make this an 8cm robot. Length - 40 Cms, width - 30 Cms Wheels - It uses 4, 80mm diameter "sure grip breeze" wheels, used on skateboards. There are holes in the top and bottom armour of area 0.0112 cm2; this allows the wheels to turn with ease, and to reduce the chance of an axe/crusher or forks getting between the wheel and the chassis. We replace the wheels after every fight, when we are checking the insides for wear and tear. Weight on wheels - 0.91 kg Batteries - 20 "BMC-3" NiMh 900 mAh batteries. Each is at 3.6 volts, so all together it gives 72 volts. However the motors are running at 48 volts, so we have some battery spare for those long fights. Total weight = 2.66 kg. Motors - 4 "Astro-Flight Cobalt 60 Robot Planetary Motor" each running at 48 volts, and each giving a Maximum Continuous Power of 1200 watts, which in total is 4800 watts, in old terms, a pretty cool 6.4 horsepower. Which in my view is enough for a robot like this. These motors have a diameter of ~ 5.3 cm. Total weight ~ 4.1 Kg Gearing - As well as the motor's gearing, we are using a simple 2:1 shaft to reduce the speed of the motor to a good level. Total weight spend on gearing ~ 2 kg Weapon - The only weapon is a set of front swords, which are 2mm thick at the rear and are a tad under 0.5mm at the tip. These swords are lifted and dropped by the use of 4 rodded linear actuators. The arm itself can change in length for the battle; can be 10 cm to 50 cm. The arm can be lifted and dropped with ease, so it doesn't matter if Black Beard gets flipped. The good thing about this weapon is that, you can’t flip the robot by them. If a wedge gets underneath and flips the swords, the swords will lift and fire. Total weight on weapon ~ 6.75 kg. The cool thing about these swords is that as they lay flat or at an angle, depending on which way the robot is facing, they can flip full bodied spinners because of the lack of a wedge. The swords can lift 250 kg up to 60 degree. Therefore we can self-flip the robots over. Armour/Chassis - Hardox 600. 4mm on top and bottom to stop axes and crushers. The sides of the chassis is 15mm. Total weight spend on armour, taking density to be 8000 kgm-3. There is 5 kg of steel bars used to strengthen up the chassis. The front and bottom plates can be removed for ease of repairs. The top and bottom sit into a groove in the robot, so that they can not be ripped away by a well aimed spinner. The chassis is the side armour, so it can't be ripped away when hit by a spinner. The front armour and rear armour are 20mm Hardox 600. Total weight on armour - Top & Bottom - 6.96 kg Sides - 6.72 kg Back & Front - 6.72 kg Strength Bars – 5 kg Speed Controllers - This robot uses a Victor 885 speed controller. We use the power at 30 volts. A mixer is used with a gyro to help with the control. Therefore in theory, Black Beard can turn on the spot and we can stick it where we wish to. Total weight on speed controllers’ etc ~ 1 kg Colour - Beard is lightly sprayed blue, total weight on paint = 0.42 kg. Black is painted black. Skirts – 2mm titanium skirts run the length of the sides, designed to fold over when invertible. The hinge is mounted in the dead centre line of the side, and the skirts are a bit longer than the height (4.5 cm) to allow then to rest at an angle. The convex sides should prevent the skirts from resting flat. Total weight = 1.26 kg. Power-link – A panel in the top and the bottom slides across, opening up a secure location, where you have to turn a pole 90 degree to access the link, by pulling it out sideways. This method is the best for robots, as it can be accessed from the top or bottom. As a power-link doesn’t come into the weight, no weight is spend. The saved weight goes onto the arm. Shape – Invertible box, slightly convex sides, and rear to stop landing onto sides/rear. Velocity - Doing a quick calculation using the linear speed of the wheels give the top speed to be around 12 mph. This is assuming that the coefficient of friction of the arena floor is 1. The acceleration due to friction is pretty fast, compared to most vapourbots. It gets from 0 to 12 mph in a tad under 1.5 metres. Suspension – To stop being damaged when hit by a spinner or rammer, everything is designed to move in it’s own free will. The wires are able to do this. In addition, there is an inner sub-frame of the chassis which is built for strength. Total weight spend – 5 kg. Ground Clearance – 5mm all over without skirts. At the front the swords make it zero, but no scoop to save weight. The swords are mounted at the bottom of the robot, but when flipped the swords rest at an angle to act more like a wedge. Side skirts reduce the risk of flipping, but nothing will stop those powerful flippers. Turning Circle – Something really low, like 0.1 ìM. As this is a tiny displacement, we shall assume it’s zero. Linking Method – Due to the new NBSFL rules about clusterbot, Black has a loop and Beard has the actual method, which is like Gemini (a sprung loaded gate). Total weight on both robots – 1 kg Summary – Thanks for Steve for the two parts names. Black Chalkie Beard is a 2 way clusterbot, which is low to the ground, and tough armour. Enjoy. Strength – The centre of mass of the robot is in the centre of the robot, meaning perfect handing. Armour, clusterbot, hard to get underneath and flip. Weaknesses – The torque disadvantage from the small wheels, meaning it’s going to be out-pushed. Non damaging weapon. Clusterbot rules. Swords aren’t going to get robots out of the arena.
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