While I know nothing about pneumatics, how does this compare?

http://www.flexibleas.com.au/cgi-bin/frontcart/frontcart.pl?command=details&itemid=1

Possibly more valve options than you need and possibly not high enough flow rate, but cheaper...
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Australian 2015 Featherweight champion
UK 2016 Gladiator champion

valvage has been the stopping point for Plan-C
though we are now looking at push button valves, mcmaster sell them for about $10.
one of those + a solonid from jaycar or some such and your away.
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Mechanical engineers build weapons, civil engineers build targets

Yesterday was alot of fun, thankyou so much to Glen for letting me drive Kang, it further inspired me to building my own. So to that end i aquired the bits i bought from Angus yesterday, so i'm partway towards a working robot (now its a Pile of parts rather than conceptual)

Below is a (bad) CAD of what i'm thinking for my robot, the brown section is plywood, the silver is Aluminimum sheeting over plywood and the black is steel.



Yes i know its really badly done and i will do a better one (and one of the inside) when i have more time.

For the moment it will have no active weapons, however it will later be expanded to have the front panel a flipper, or (as occured to me last night) maybe a spinner on that panel.

Currently i own:
2x Drill Motors
2x Servo Switching speed controller.
2x Casters
2x steel sheets (510x120x4mm)
1x Aluminimum sheet (its thin, only a mill or so but it will do to place onto of the ply for extra strength)(and i got it for free, stole it from dad )

Required to get robot up to combat standard:
1x Radio Tx/Rx Set. Currently looking at the JR quatro. Nice cheap set, should do the job.
1x Chassis (made from ply, should have most enough around)
1x Battery pack (someone (i think it was andrew) said they had some old 12V drill battery packs i could have, so that should be taken care of)

Well i've hit a slight snag, all the ply around the house sofar i've been able to find is 7 ply about 17mm thick. Now thats fine for side armour and top armour, but it won't work for underneath as the wheels are not large enough to fit through.

And unfortunatly i have no money at the moment, paycheck isn't due till tuesday at the earliest, so no more progress on that front at the moment.

Oh well, i've still got 4 weeks until the event, if i'm lucky i'll have everything else together before then, and putting the chassis together will only be a formality

what size is the base plate supposed to be, ive got tons of 4mm steel.
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www.demon50s.com - Minimoto parts
http://www.youtube.com/user/HyzerGlen - Videoooozzz

And i can source you some free mdf too, if not free it'll be like $2
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I havn't yet done my CAD (cardboard version), but it will probably be about 400x500mm

Thanks for the offer both of you, but i think i'll be able to scrounge enough ply to make this frame. I like ply as it is fairly strong, while still workable with the tools i've got, hence why i'm stearing away from lots of steel for the moment

Progress has been made, not in the direction i expected but still progress.

I've changed the shape and design of the robot to be, and have decided on a name.

The name and design both come from Stargate. I'm using the design of the Deadalus, Earths second interstelar capable ship, sent to defend Atlantis from the Wraith.

I'm currently working on a CAD but i chose to do this because then i can have a design i'm proud of, rather than a wooden triangle, it just seems a little plain to me.

Anyway the name also comes from an Earth starship, however instead of Deadalus, i've always prefered the name of earths first 303, the Prometheus. (In greek mythology he was the rebel god, which i think is approprate for a combat robot)

I'm not using the Prometheus design as i feel the Deadalus design would be easier to build a bot into.

Well here is a CAD of Prometheus. I need to get a decent CAD program, google sketch up is good, but not designed for this sort of work...





Its not going to have a weapon, batteries will go in the section to the front, motors and controls in the rear and radio gear in the superstructure (the bit on the top)

looks awsome! What are you intending for armour?
Also, you might want to make it invertable.
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At the minute the plan is for plywood, strenthened with sections inside. I don't have enough money to do anything else

2mm steel is free and can be cut with a jigsaw, I think a layer over the plywood would be pretty good, you might even be able to cut and fold it all funky like
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I'm working on the invertable design now, but not having much luck, the wheels arn't big enough, especially with the super structure there.

2mm Steel is free? Dumpster diving i would assume? if so where. Because a layer over plywood sounds like half decent defence.

St mary's. If we can workout a meet for it we'll show you the best places
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Well i'm off to buy the wood, for at least the base tomorrow, i'm also going to pick up some free MDF and use that to hold the motors in position.

I should have something together by the end of next week *fingers crossed*