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marto
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Joined: 08 Jul 2004
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Location: Brisbane, QLD


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All unmodified saw blades are acceptable.

Steve
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Post Wed Sep 23, 2015 9:51 pm 
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Knightrous
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Joined: 15 Jun 2004
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Location: NSW


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To avoid cluttering the Hydra build thread.

Anything that isn't a singular saw blade, apply a tip speed limitation of 2.54 meters per second would resolve these issues. To prevent Sportsmens becoming a mass amount of saw blade spinners, apply an articulation rule.
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Post Tue Sep 29, 2015 12:07 pm 
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marto
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Hmmm might be a good addition for next event. Or just ditch the saw blades entirely while its fun to have one or two a whole field of them doesn't really add too much to the competition as they aren't effective.

Steve
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Post Tue Sep 29, 2015 12:26 pm 
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Nick
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Joined: 16 Jun 2004
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How would hydraulic crushers fit in the rules? Would an articulated spatula be OK for the lower jaw?
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Post Tue Sep 29, 2015 12:53 pm 
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marto
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I don't see any issues. If its an integral part of the weapon that is acceptable.
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Post Tue Sep 29, 2015 1:00 pm 
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Knightrous
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quote:
Originally posted by marto:
Or just ditch the saw blades entirely while its fun to have one or two a whole field of them doesn't really add too much to the competition as they aren't effective.


Designs like Scoopy Doo, Skeletor, MegaRON & Cold Arbor uses them in a way that fits with the spirit of the Sportsmen class (Promoting creativity, novel design and driving skill). So an outright ban might be a little harsh.

Ideally, we just want to avoid this:

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Post Tue Sep 29, 2015 1:08 pm 
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Knightrous
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quote:
Originally posted by Nick:
How would hydraulic crushers fit in the rules? Would an articulated spatula be OK for the lower jaw?


I've always look at this mechanism.

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Post Tue Sep 29, 2015 1:11 pm 
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marto
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I dunno I sorta like the novelty of the SAW SAW SAW SAW bot.

I really want to avoid the [img]http://vignette1.wikia.nocookie.net/robotwars/images/3/38/Nightmare.jpg/revision/latest?cb=20091012154240[/img]
Its round its got teeth its a "saw" thing.
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Post Tue Sep 29, 2015 1:34 pm 
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Valen
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Joined: 07 Jul 2004
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Location: Sydney


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I reckons taking saws out and requiring active weapons would raise the bar for new entrants pretty high.
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Post Tue Sep 29, 2015 1:49 pm 
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Nick
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'Don't be hating on rotating' Laughing Since saws are not all that effective, they will limit themselves. A saw is an easy way to get started and as a builder's skills grow, they can articulate it or move on to something else.
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Post Tue Sep 29, 2015 1:58 pm 
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Nick
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Location: Sydney, NSW


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quote:
Originally posted by Knightrous:
quote:
Originally posted by Nick:
How would hydraulic crushers fit in the rules? Would an articulated spatula be OK for the lower jaw?


I've always look at this mechanism.



Looks a bit undersized, I was thinking more along these lines:



Should fit in the weight limit with a little trimming...
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Post Tue Sep 29, 2015 2:03 pm 
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Knightrous
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Team Overkills 2016 entry into Sportsmens I hope! Cool
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Post Tue Sep 29, 2015 3:19 pm 
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0xFFFF



Joined: 17 Sep 2015
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Location: SE Victoria


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If THAT is going in to the sportsmen class, I'm going to call my robot 'chew toy'.

Post Tue Sep 29, 2015 4:13 pm 
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Rotwang
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Joined: 15 Jun 2004
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Location: Vic


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Seems to me a bit of a storm in a tea cup; the drum was always going to be under the 400RPM limit, its light weight and small diameter relying on the torque of the geared drill to keep it turning.

The saw sitch as far as the 10” vs. 250mm is my fault; I just assumed that was just a rounded number to convert a common imperial size.

In my defense I would point out that 10” is 254mm not the 255 quoted elsewhere.

So were splitting hares over 4mm on a weapon where the speed of the saw and the power of the motor driving it are free from restriction.

The brush cutter blade was used to set up the frame during the build and allow for the weight
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Post Tue Sep 29, 2015 10:39 pm 
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Philip
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Joined: 18 Jun 2004
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Location: Queensland near Brisbane


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The SPARC rules 4.2.3 set a limit of 400 rpm on all spinning weapons and lower rpm on higher MOI.
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Post Wed Sep 30, 2015 1:42 am 
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