I don't think wood cutting saws have been tested enough to be considered safe. As far as I'm aware the risk of shattering teeth off against metal side walls has yet to be assessed.
Oooh, fancy, 500 posts. Nothing next to my nearly 7,000 on another forum but still.
We went through the possibilities of 'reduced' spinning weapons in non-full combat arenas a while back and the conclusion was no.
In fact the conclusion was no wooden robot events at all in their arenas, no time for it in the schedule etc.....
Robochallenge on the other hand can take spinning weapons, and did embrace the idea at their Yeovile event, unfortunately I couldn't make it, and I don't think anyone else had a robot ready.
As for the danger of manufactured blades they are banned, but I was asked to go ahead and make BitzaWood so RoboChallenge could see how they performed on a bot. Again I think this was intended for the Yeovil event, but alas......
So off the shelf discs are banned? That seems a little odd (though sensible too) It has to be one of the few occasions where we roboteers would be using something for its intended purpose! I have just bought 2 blades to go on our wooden machine...
Its not a massive issue as we can simply take the blades off at the RR events and the like and run the machines as rambots but surely Robochallenge would be ok with running off the shelf discs. Do we know the exact reasons?
This is all in the topic somewehere.
The short of it is manufactured discs pose all sorts of issues. Although the RC arena can contain anything, it's an arming up and personal safety issue.
Hopefully at some point we'll get a chance to run BitzaWood and then RC can ok or poo-poo manufactured discs in their arenas.
This is the improved version of the one I posted earlier...
[attachment=0:1y139f0w]Internal Reveal Saw 01 Back Mod B.jpeg[/attachment:1y139f0w]
Invertible as Ellis suggested with twin 136mm circular saw blades at the front driven by a Speed 900 at about 4000 rpm.
CAD weight is 12kg. This should be very accurate as I weighed the sheet of MDF I got and calculated its tensity 0.607g/cm^3 and I can weigh all the other parts with digital scaled. Nice and precise.
Though if these saws turn out to be illegal I will have to think of something else or have some others cut specially.
Additional: It probably is in another thread, almost everything is
this week at school i have 20hrs of woodwork continuous
and I'm making a birdhouse
You could build 4 in that time I am sure, then sell the other 3
What about just cutting our own blades like we do already? This is based on a Makita wood rip saw. Cut it from some Ti and chamfer the edges alternately... hey presto your own single piece wood cutting blade!
[attachment=0wcy8cy7]Custom 16T 130mm Rip Saw Blade 01.jpg[/attachment
Thanks for posting the density of MDF, lots of people will find that useful.
I don't think making your own Titamium spinning weapons in this class is really in the spirit of things, but I do see how you're mimicking wood working tools to fall withing the rules which is a neat solution.
I know the Ti is over kill but its what we have (oddly that, we never normally have anything!)
Copying the standard wood blades seemed the simplest option cos thats what its designed for only we would not have to worry about any small teeth flying off as we would with the commercial blades.
How about 2 or 3mm Aluminium rather than the Ti, would people prefer that? Though the alu would be much more likely to fail in battle in comparison to the Ti which could mean dangerous shrapnel...
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