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Showing posts from 2001

Robot Mania at Whitehawk

22/9/01Robot Mania at Whitehawk


After the huge rush to get KC2 ready for Wilsons Day, I was too exhausted to get repairs done for Robot wars qualification. I'd been up till about 11 each night, cutting grinding, welding, who knows what the neighbours thought? I'd created a whole pile of extra armour after the Dom2 incident, unfortunately it put us way overweight. The flipper alone weighed in at about 20 kgs. After much "lightning" we were down to just about 100kg, and I thought I'd do a test run. That's when the speed controller went poop! I almost cried.


So After a couple of attempts at repair, with the help of many people on the forum,(thanks, you know who you are!) and in real life from Paul Chitty, a local electronics wizard,I realised I was stuffed. I had the choice of running KC2 on an old pair of NCC35's for the qualifiers, with virtually no armour, or of going on holiday as had originally been planned. After a small bribr to the kids, I spent the…

The Original team

Team killer carrot started as Team GM Farm, a poor attempt at humour, the idea was that the killer carrot was a genetically modified form of life... however this went down like a lead balloon at Robot Mayhem, so we stuck to Carrots, because the robot was orange.... and sort of pointy... feeble I know but what can I say. Dom (6)and Adam(9), the brains behind Team Killer Carrot, enjoy fighting, climbing on furniture and playing Pokemon on Gameboy. Dislike eating normal food, tidying up or behaving like human beings.Dom, alias Monkey boy is prevented from attending Robot Wars due to his age and criminal record.
Adam, alias Dodge only wants to build a qualifying robot so he can get his club membership fee back.Rob (34),alias Zorro, (or Big Rob) Team Captain and tired father. Used to be a fox so cunning and free, now does a day shift at Plumpton College lecturing in Agriculture, IT and stuff, and a night shift as a freelance illustrator. Inept robot builder and visionary.New Boy, Mark, alias…

Build for Discovery

26/7/01- Build for Discovery
Just back in after another welding session. The site hasn't been updated for ages because my modems been dead for ages. This is a brief outline of the build over the last 5 months.

I finally decided on a shape, and on May 16th I started building, we'd put off building so we could show the whole design process to the discovery channel film crew following our progress.
We started by building a chassis with the ERW steel, Hell look at the photos,watch the programmes.

So here he is KillerCarrot 2. If you've seen the discovery channel program, "Robots Revenge", you'll know we started the build for KC2 on May 14th, about 6 weeks before Robots@War. The first job was to solder in some bigger leads to the motors, then we welded up a frame, added some spikes, a bit of Lexan body work... and Bob's yer uncle. The flipper took a bit more work, so we put it to one side until after Wilson's Day.


The first trial for KC1 was Lightning, anot…

All together

24/3/01- All together
Well... look at this the little fellow is up and running, finally got the drive chains sorted out, We took it for a test in the church hall, and we've got loads more torque thanks to the reduction gearing, unfortunately we've also got quite a lot of wheel spin, and we were starting to make nasty black marks all over the floor, so had to stop.


I took KC to work to try and have a good thrash but, the brakes on the car seized on the way so I spent my lunch hour stripping them down instead of testing. Next week I'll take it in, give it a good thrash, assuming the weather is fine, and try and fit the gyro, as the steering remains a little sensitive


I've started welding up a pivot for the flipper, and Gary at work soldered up an adapter to the regulator, all we need now is some more flexible pipework, as the nylon stuff has a good bore size but won't bend around the tight turns. finishing touches needed include some ramming spikes on the rear, the …

Still waiting for the gears.... so no wheels yet

13/2/01- Still waiting for the gears.... so no wheels yet
Revised Specifications for Killer Carrot 1
ChassisMig welded 35x15mm 2mm box ERW steel, forming a 400x400x200  cross-braced perimeter frame.
Motors2 x 24v surplus hi torque (weedy) motors from display electronics. (Don't buy these, save your cash and buy something decent from Roger Plant)
Speed Controllers2 x 4QD NCC35-24 through a DCI, pots linked to 2 Futaba S3003 servos.
Radio gearFutaba Skysport  T6YFK, 6 Channel Tx, 40MHz fm, FP-R138DF 8 channel dual conversion receiver, with 1 RF-1 failsafe.
WeightMiddleweight, under 50kg
Drive trainMotorcycle sprockets and chains 8.2:1 reduction on new 10" pneumatic tyres, giving around 8.5mph top speed
Batteries2  Micro kiel 18AH 12v's
Weapons40mm pneumatic ram giving around 60kg's of lift via a pivoted arm, rear mounted spikes for ramming.
Armour3mm BASF RESART polycarbonate
Special features
Can run upside down.

So here we have the smashing new chassis with new crossme…

Big Ram

12/2/01-Big Ram Still haven't done anything much. I've spent time debating the shape of the new 'bot. Traditionally KC has been an invertable wedge. this however prevents us using an oxygen regulator as it would probably ice up if inverted. I've still got a strong urge to fit the air chisel , and the extra 20kg's added in the new rules mean I might just succeed. Mark is keen to use a suction gripper, to stick on to the opponent then pummel it. Whatever, we've got the drives, we've got the speed controllers, we've got most of the pneumatics and we've got the lexan and steel. We've even got some new thicker cable, 6mm2 which hopefully won't get so warm, and some capacitors to prevent interference (Thanks Paul!) Simply need to put it all together. As soon as KC1 is up and running we'll get on with KC2.  KC1 will also give us a chance to get used to driving , as I've probably only clocked up about half an hour of robot driving all told, It…

Hmmm....

9/2/01- Hmmmm....
I have found that if I feel obliged to get on with something that I don't want to do, i.e. getting down to some illustration work, then I will much more readily get on with lots of other tasks,  hence the recent burst of energy with KC1. I have got the rams, valves, regulator, (currently being adapted at work), have welded up extra struts to the chassis, knocked up a lift arm and covered the little fellow in lexan. I've mounted the ball transfer units and even managed to negotiate with M&P over the chains and sprockets (still haven't arrived though). I have mounted all the electronics and made up much neater brackets for the pot/servo connection. The current aim is to get a single ram operating a lift arm, and maybe set up a surrender flag with the other.

I had fun working out how the solenoid valve operates, and connected it to the battery the wrong way causing  a huge explosion and much melted wire, Graham Leacock sorted me out and I removed a surg…
In the qualifying rounds at Robot Mayhem we met Mike Hammerton of team Eric (before they beat us)  touting for robots to come to the Uckfield live robot bash.




Having spent two days doing very little as reserves it looked like a fine opportunity to actually give carrot a run. We had switched steering to "Speed and Steer "mode on the 4QD DCI and were actually going sort of where we wanted to .

We were matched to have a demonstration bout with mincer, but unfortunately his aerial connection broke and required a fix, we then seemed to loose all power and limped about more like a wet lettuce than a killer carrot.

On returning home we found the batteries hadn't charged the previous night for some reason, and were down to about 20v,then I blew up the charger. Carrot went down to the workshop for a strip down and rebuild, but with a little time on our hands before it's next outing at Robots@war on June 30th 2001, it was decided to do a complete redesign with very little sal…

Spending money... shhh!!!

4/1/01- spending money.... shhh !!!

Well what can I say, Very lazy! but hey I've acquired some bits, the axles  with motors attached have arrived and been sitting doing nothing for months,


the pneumatics have been sitting doing nothing and the controllers and batteries have also been doing nothing. The only thing I have attempted is to dismantle one of the Litton motors to find out if it has space for a capacitor inside, it does but only just!