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Type: Posts; User: Bacon Wizard

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    not a horrible price, either!

    not a horrible price, either!
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    You said yourself, it was too heavy for a...

    You said yourself, it was too heavy for a feather. Although 980 Newtons of force for 250g is impressive, I agree.

    Maybe the power/weight ratio is better on a smaller scale?
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    I strongly suspect that the size of magnets you'd...

    I strongly suspect that the size of magnets you'd need to get any real force into the flipper might put you well over weight. You're gonna want something with say 10 or 20 x the power of the one in...
  4. This is just awesome. THANK YOU for posting. ...

    This is just awesome. THANK YOU for posting.

    I am now officially, old. (39) but I remember my dad who was at Aston Uni coming home and telling me about all this stuff years before the first...
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    I don't know enough to say which would really be...

    I don't know enough to say which would really be best, but you seem to think the last design is probably most practical?

    I think winning, looks cool.
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    I've been wanting to ask actually: is that the...

    I've been wanting to ask actually: is that the right thing to do: gear it down? To my mind, speed is the key to a weapon rather than torque, if you are not trying to lift another robot into the air....
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    Ah, yes I'm sure you're right. But it's not the...

    Ah, yes I'm sure you're right. But it's not the valves I am worried about. I am running a low pressure system and I will be using plenty air-flow; maybe more than a cylinder will allow. Which lead me...
  8. free demonstration scripts, engineering, science etc

    I can play for hours on here...

    http://demonstrations.wolfram.com/index.html
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    Depends what yr doing to 'em...

    Depends what yr doing to 'em...
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    Something missing from Robot Combat...

    Thare's been something nagging at me for a while and I couldn't figure out what it is.
    But I had the sudden realisation earlier today and it needs to be fixed urgently for the good of all.

    What's...
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    Yes

    Yes
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    If you got the same technology, but made your...

    If you got the same technology, but made your projectile spin on its axis instead of linear motion, then you'd need fewer coils and magnets with the opportunity to wind the coils very efficiently....
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    They work, but even the military are struggling...

    They work, but even the military are struggling to make it efficient.

    The sheer amount of power you need in the first place is one problem (and batteries remain the thing which is holding-up many...
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    I've checked, and in principle yes. As always, EO...

    I've checked, and in principle yes. As always, EO gets the last word.

    http://www.fightingrobots.co.uk/threads/11506-what-is-a-spinner
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    Loads on ebay, including 3 with no bid and 1 day...

    Loads on ebay, including 3 with no bid and 1 day remaining
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    Apart from the type of weapon itself, that's...

    Apart from the type of weapon itself, that's exactly what I'm up-to in my heavy. Just bought an Etek motor off typhoon Gary for the flyweheel :)
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    I looked at PEEK, and it would appear to be...

    I looked at PEEK, and it would appear to be excellent stuff, but the cost is eye-watering
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    Well it can bugger right off, then. tah :)

    Well it can bugger right off, then. tah :)
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    polypropylene

    Never knowingly encountered it.. what's it like compared with HDPE and with Polycarb?
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    I might be able to do something with that.. but...

    I might be able to do something with that.. but how much have you got/can you get, and what are the prices like?
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    Large sheet polycarbonate

    I am after some polycarb..

    It needs to be 800 x 1200 and as thick as possible. There's stuff about on Ebay etc, but wondered if anyone here had some left-over from another project: arena building...
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    Good advice for anyone... please read, folks. It...

    Good advice for anyone... please read, folks. It may save your life.
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    Its the Dihydrogen Monoxide you need to watch-out...

    Its the Dihydrogen Monoxide you need to watch-out for. It's lethal stuff. I almost swallowed some inadvertently just earlier today :crazy:
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    Or run the cold pipes round the motors in order...

    Or run the cold pipes round the motors in order to cool the motors :D
    I don't think anyone would mind, if there were no actual boost to the system, other than keep it running at above freezing
    ...
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    lubricated pneumatics.

    The rules are pretty clear with regard to not even inadvertently allowing air into hydraulic systems.

    However, what about the reverse? Many pneumatic systems call for a lubricator; a very fine oil...
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