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The Thorn - Beetleweight Combat Arena.
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dyrodium
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The Thorn - Beetleweight Combat Arena.

This is the thorn. Here's where the strong make a name for themselves. And the weak, are fed to the jaws of hell.

No one will know where that's from... lawl.
This is the build thread to track progress on the NSW beetleweight arena to debut at serial space!


Bought all the steel today...

No holes in the polycarb, it sits in channels along the L angles or between the 3mm center bars, so no crack propogation pls! Razz

Like that ^ but staggered to save on material.

It's big, over 2.4m x 2.4m, with a 1m roof height.

Going to start the hardcore fabrication tomorrow. Razz Roof/floor etc is sorted just not shown, more later.
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Post Mon Jun 20, 2011 8:00 pm 
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Knightrous
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Good work Anguz!
Looking forward to bring a beetle to scratch it all up now Smile
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Post Mon Jun 20, 2011 8:12 pm 
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Jaemus
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HEeeeaaaeeaeaeaeelll yeah
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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 Mon Jun 20, 2011 9:18 pm 
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dyrodium
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There was some more progress today, cutting the steel to size and some drilling of holes, however blood has already been spilt ... Adam, the workshop manager was helping me chopsaw some RHS to size and sliced his finger real bad on that nasty razorsharp swarf... So some of the arena has blood splatters on it now... Twisted Evil
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Post Tue Jun 21, 2011 10:49 pm 
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Jaemus
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look out! its got a taste for blood!
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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 Jun 22, 2011 12:23 am 
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Daniel
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Will the polycarb pop out of the frame if its bowed outward?

Post Wed Jun 22, 2011 8:22 am 
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dyrodium
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It shouldn't do, it'll be supported along the lower edge too by a small channel in the MDF. If it becomes a problem however it's quite easy to add some lightweight ali bracing to the up half to stop it, will need something like that for the roof construction anyway.
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Post Wed Jun 22, 2011 11:47 am 
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dyrodium
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Post Thu Jun 23, 2011 10:42 pm 
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Jaemus
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oooh progress!
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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 Fri Jun 24, 2011 9:31 pm 
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Daniel
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$5 polycarb?

Post Sat Jun 25, 2011 8:06 pm 
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dyrodium
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Hah, that bit was yeah , offcuts from plastix. Got the go-ahead today from everyone to purchase two full 2440 x 1830 x 3mm sheets for the real deal today. Cool
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Post Sat Jun 25, 2011 8:54 pm 
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dyrodium
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Here's the breakdown for the costing, so everyone who's contributed to the club moneys over the years can have a chance to see.

Steel: Bulk of the arena is already purchased to the sum of $194, may need some more for roof supports and legs but can most likely salvage from uni/ offcuts at mascot steel.

Polycarbonate: We need two 2440 x 1830 x 3mm sheets to make all the walls. An online price I found was $220 per sheet this size, and i'm fairly certain plastix can do a WAY better deal. Assume $440 worst worst case for our polycarb.

MDF: Roof and floor are full MDF sheets, 3 and 6mm respectively. It's cheap as chips... Should be > $50

Side barriers: Either some thicker MDF or simply cheap pine planks, fairly thick they'll take a beating !

Fasteners: Mostly lots of M8's and nylocs. I'll have to calculate a price for these later but shouldn't be too bad.


If anyone objects please speak now or forever hold your peace.... Rolling Eyes
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Post Mon Jun 27, 2011 11:41 am 
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dyrodium
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Final arena work till back from perth:




All fits together nicely... the M8 bolts fit better than I thought they would, woot! Razz
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Post Fri Jul 01, 2011 12:47 am 
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Jaemus
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excellent stuff man!
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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 Fri Jul 01, 2011 9:00 am 
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dyrodium
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Photo dump. Cool




Arena can be reconfigured into a 1200 x 1200 ant box. Smile

Ran out of time to test assemble it all... but was sturdier than I thought and not too bad to assemble, even on my own! Shocked
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Post Mon Aug 01, 2011 7:34 pm 
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