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Team RCC featherweights
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maddox



Joined: 21 Dec 2006
Posts: 786
Location: Belgium


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MMM14 report.

The kick-off for this event started friday 28 september around 4 pm.
Ellis (Relentless from the FRA forum) arrived with his parents, Peter and tara, after a long travel in their motorhome, starting in Southern Spain. The purpose. Solving a nasty weapon-axle/sprocket problem.
It took more time and creativity than expected. But it was a fun thing to do. During these McGyvermonents, Raverdave arrived with his machines.

Babs had made a Bacon Explosion accompanied with warm cherries in thick syrup. A surpsingly tasty, but heavy dinner.

Leo arrived around 8pm, and this marked a movement of materials from the van to the house of Chaos and visa versa.

On with Tormenta II. A spare axle made from a screwdriver did prove hopeless. The steel got brittle as glass during the welding. So, no spare axle.
The McGyvered axle/1/4bsp nut did keep in 1 piece during the carefull tests.

Some small welding on Satanix 1.666, and we were ready for MMM14

7 am. Wake up call for all the people in the House of Chaos, and we were driving at 8am. Arriving at the venue around 11am.

Tina had made coffee and cake, as usual. And as usual those were delicious.
The arena was ready, just the last light fixtures going up.

12.07 the first ants got busy, and several good and hilarious fights later it was time for the Raptors.
Several hard figths , as Enigma with the small but nasty disk dished out a load of wacks. But Baltazar, another vertical -larger-disk wasn't nice either. Lucky for the opponents, the wheelbase is narrow, and the gyrodance capacity is huge. Dark Wizard, another small verical disk user wasn't as effective, but kept on going thanks to the sturdy carbon/kevlar armor.
Ltn Lee, as rambot, gave as good as it got, but did prove 10mm polycarbonate ain't up the task, not even in the 6 kg raptors. A few heavy hits on the steel frame made impressive gashes.*

Featherweights.
For us, Hannibalito 4 was going strange again. One flip hugely powerfull, sometimes even 2 or 3 good ones ,and then a lot of feeble weak lifts. Sometimes going into the fight, and not even 1 useable flip whatsoever. ?????
Hannibalito 3 on the other hand went out, and kicked butt. In the arena, fight a good fight. Take out of the arena, remove bottle, fill bottle, mount bottle and in the mean time recharge the batteries. 20 minutes later is's back for more. But this time we had "real" damage. Daredevil , a new German drum spinner got in a good lick, and one of the cosmetic ears got ripped off.

Result, Adrenaline stays German champ, Tormenta II came in second. Even with all the drivetroubles and weapon axle/sprocket that gave out after a few fights.




Maidstone , here we come.

Post Mon Oct 08, 2012 11:24 pm 
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Jaemus
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Joined: 01 Apr 2009
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Location: NSW


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Nice write up! Sounds like an entertaining event Smile
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Tue Oct 09, 2012 5:16 pm 
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maddox



Joined: 21 Dec 2006
Posts: 786
Location: Belgium


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Did some work on the Hannibalito 4 weapon after Maidstone.

It should be a tad more dependable now.

Also done some touch ups


Post Thu Oct 18, 2012 2:18 am 
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maddox



Joined: 21 Dec 2006
Posts: 786
Location: Belgium


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Not a machine for Team RCC, but one I'm rebuilding for a UK roboteer.

Ady's Prodigy Evo.

The change from 2 Speed 900's to 1 affordable brushless for disk-power was a real weightloss.

I just hope it will take the strain

Post Tue Nov 20, 2012 9:46 am 
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Jaemus
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Nice simple setup there. Can add more bracing to the frame if need be with the extra weight
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Tue Nov 20, 2012 2:29 pm 
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maddox



Joined: 21 Dec 2006
Posts: 786
Location: Belgium


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What is in there.
Turnegy 270 KV 50-60 NTM, adapted by me. (8mm axle strengthened, magnets epoxied and few other things, like the ali belt wheel)
Turnegy TZ85 speedo.
Turnegy LiPo 5S 5000mAh battery

3 5mm Optibelt RR O-belts.

Setting of the Speedo. Soft start, 16KHz, LiPo protection, undervoltage 3.2V, and speedo off, not reduced power.



Drivetrain is Mabuchi 775, 13.5-1 2 stage gearing and 135mm wheels.

Armor. Belt 15mm HDPE, top and bottom, 10mm HDPE, reinforced with Hardox 450 and the vurnable parts have an extra layer of 2.5mm thick stainless as last defence. That is also the plate you see where the battery rests on.

I would ask, where can I put more bracing?

Post Tue Nov 20, 2012 2:51 pm 
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miles&Jules
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ha looks cool....where are the drive motors?....are they inside the wheels?
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Tue Nov 20, 2012 5:05 pm 
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Jaemus
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Joined: 01 Apr 2009
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Location: NSW


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between the outer edge of the wheel gaurds and the point of the disc support (thereby also preventing them getting bashed inwards too much

down the centre of the 'diamond' that makes up the disc support, making it into 2 smaller triangles

alternately rebuild the disc support out of something tougher / less swiss cheesey

alternately ignore me and just see how it goes Razz
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Tue Nov 20, 2012 8:00 pm 
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maddox



Joined: 21 Dec 2006
Posts: 786
Location: Belgium


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The forward triangles were build to cope with the 1.5 kg of the original disk powering unit and the 24V 4.6Ah NiCd pack. So, weight was an issue.

If the weight allows, it will be used for more bracing. More hardox captain...

Post Tue Nov 20, 2012 10:09 pm 
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maddox



Joined: 21 Dec 2006
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Location: Belgium


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Here we are today.

Post Wed Nov 28, 2012 11:01 am 
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Jaemus
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Joined: 01 Apr 2009
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Location: NSW


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looking good
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<Patrician|Away> what does your robot do, sam
<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Wed Nov 28, 2012 2:29 pm 
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miles&Jules
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Joined: 19 May 2010
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Cool .....how does the bread board pulley perform on the weapon disk?....is that there for weight or is it better with grip or something?
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Wed Nov 28, 2012 2:45 pm 
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maddox



Joined: 21 Dec 2006
Posts: 786
Location: Belgium


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The pully ain't breadboard. It is GA6. Glassfiber reinforced nylon.

The reason for use "I had it around".

The first tests give that it has a tad more grip than the ali pully over the motorcan.

Post Wed Nov 28, 2012 9:08 pm 
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miles&Jules
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Ok cool (wishful thinking on my part)....do ya reckon hard bread board would be ok for a drive pulley using a v belt off a scooter motor?...I just have to watch weight on one of my robots...and I have a load of bread board already Very Happy
_________________
Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Wed Nov 28, 2012 10:22 pm 
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dyrodium
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You'd have to watch the temperature with breadboard miles, you need friction for pulleys and once you start getting that with polyethylene the melting will begin. Laughing I would use big chunks for hubs but not for the pulley contact area!
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Post Wed Nov 28, 2012 10:53 pm 
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