New Anticide

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Rapidrory
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Re: New Anticide

Post by Rapidrory » Sun Jun 07, 2015 9:27 pm

I believe craig is working on a pneumatic axe at the moment..
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Remote-Controlled Dave
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Re: New Anticide

Post by Remote-Controlled Dave » Sun Jun 07, 2015 10:08 pm

Craig is always working on everything. His brushless axe was hilarious...
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joey_picus
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Re: New Anticide

Post by joey_picus » Mon Jun 08, 2015 12:04 am

I have got a pneumatic crusher coming hopefully for the last AWS of the year (it's an idea I've had for at least the last five years, but now I actually have some decent rams and access to (a friend with) the necessary machine tools to get it done...). I just need to make sure I don't drive it onto that thing XD
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Hogi
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Re: New Anticide

Post by Hogi » Mon Jun 08, 2015 2:25 pm

is a pneumatic robot much more difficult and expensive to build than a normal one?
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EpicentrE
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Re: New Anticide

Post by EpicentrE » Mon Jun 08, 2015 2:40 pm

While it's no more expensive, it's definitely more difficult and there is also an element of danger to be considered. As you saw in my thread when I was building Flux, pneumatic components can fail with explosive results. If it's not something you have any experience with, definitely seek help from people that do before pressurising anything.
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Hogi
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Re: New Anticide

Post by Hogi » Mon Jun 08, 2015 2:41 pm

i'll just stick to building boxes with wheels :)
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Fleaweights: fleadom fighter, gaztons.

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EpicentrE
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Re: New Anticide

Post by EpicentrE » Mon Jun 08, 2015 2:51 pm

I don't want to discourage you from doing something new, exciting, and educational, just making sure you're aware of the risks involved :).
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Re: New Anticide

Post by joey_picus » Mon Jun 08, 2015 5:53 pm

Pneumatics are - aside from bloody dangerous, at least with spinners you can unplug the battery and be reasonably certain it's not going to spin up! - quite a complex way of doing things, particularly in antweights where available components tend to be quite bulky and heavy (and usually designed for planes that have slightly less of a strict weight limit!). You generally need to budget a lot more of the robot's weight for rams, valves, tanks, linkages, often a servo to actuate said valve, etc. than you would for a simple servo, and the results may not be that much better - servos don't lose power as the battle goes on, and very rarely cause your robot to flip itself over, and hardly ever explode during testing...

Essentially, it's a lot of hassle for what isn't always going to be a better result. But you don't do it because it's easy, you do it because it's hard, à la getting people on the moon :)
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Re: New Anticide

Post by Andrew_Hibberd » Mon Jun 29, 2015 2:30 pm

I just received a pneumatic fill.valve from hobbyking. It has a large hex nut on the in end, has anyone got one and tried turning this round to save weight?
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