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ROADKILL Team Dyrodium NSW
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assassin



Joined: 27 Jun 2004
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Location: SunshineCoast


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Nice do mind saying how much $ and what size ti sheets? Thanx, i'm looking into some for my bot. Also do you know the weight?

Post Fri Mar 31, 2006 9:21 pm 
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dyrodium
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Joined: 24 Aug 2004
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Weight... not really, but to give you an idea its roughly halfway between steel and aluminium. The two sheets and motors including shipping were at a cool $150 american from a bot builder in the states, but i'd expect the metal straight from even titanium joe would be a fair bit more than that. Smile
Both sheets are 17 inches by 4.74 inches.. more like strips but a good size for side amour. Smile
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Post Fri Mar 31, 2006 9:45 pm 
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dyrodium
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Hmm well today at PnP was interesting and pretty frustrating...
Nick worked out a sweet quick method to extract the magna thin fan motors and gathered at least 10 of them, 3 for my use, but when it came time to buy them they wanted $15 ea Evil or Very Mad
So no thin fan motors were bought, save one glen got, however a pretty cool long thin fan motor was picked up by me.. could be used in a vert spinner or drum bot methinks. Smile
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Post Sat Apr 08, 2006 10:17 pm 
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dyrodium
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Well, my compact vert spinner is slowly coming into fruition, with a cad underway and materials ariving shortly, one thing though, welch, could you you take a pic of orbits weapon shaft and all? I'll be using something very similer. Smile
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Post Sun Apr 09, 2006 5:41 pm 
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Knightrous
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Location: NSW


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quote:
welch, could you you take a pic of orbits weapon shaft and all? I'll be using something very similer


You mean you'll just get Nick to build it for ya Laughing j/k
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Post Sun Apr 09, 2006 6:27 pm 
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Nick
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I think there is a detailed picture of the bearing in Obit's build thread. It's pretty simple, although it needs the right tools to make it accurately. I had some good photos but they seem to have vanished...

Didn't you decide to go with the ball bearings rather than the bronze bush? that will change things quite a bit. That long motor you found yesterday looked pretty good. As long as it is not too fast it will go well in a compact design. It will probably go faster than an EV but gearing it down will not be a problem.
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Post Sun Apr 09, 2006 8:07 pm 
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prong
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You need me there bargaining for the motors! $6 each last time! hehe Cool

Post Sun Apr 09, 2006 8:54 pm 
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Nick
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I think I got the manger or something Sad. I tried the "It's not for cars", the " I don't expect a warantee", the "How about a bulk buy price", the "I already bought them before at $6" ploys, even the " I can buy them all for $6 or none for $15, did you want a sale or not?" ultimatum. He wouldn't even bargain down to $10 Mad

Right after that, Glen got a different sales guy and got two motors for $10 each - one of them was a really nice EV-like Bosch motor too!
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Post Sun Apr 09, 2006 9:56 pm 
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Knightrous
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He must have smelt the money on ya Nick Razz They probably just smelt the dumpster on Glen and thought that he needed them more Laughing
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Post Sun Apr 09, 2006 11:02 pm 
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dyrodium
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Yeah, and then glen got two motors for $20 so its pretty irritating... Sad
I'll look for that pic, but just letting you know nick that i'm still very interested, my new EV should be here soon Very Happy
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Post Mon Apr 10, 2006 8:34 pm 
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Nick
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No Problems. Just let me know what features you want, then we can find some parts and decide how best to put them together.
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Post Mon Apr 10, 2006 9:12 pm 
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dyrodium
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Good stuff, i'll let you know. Smile
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Post Mon Apr 10, 2006 9:13 pm 
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dyrodium
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...I had a dream... it involved roadkill with not a vert weapon... but with a pnumatic throwing spike hidden in the wedge... and it would fire through a small hole in it... I'm just thinking... this might be a funky new concept and a different path to take than a common high KE weapon... Besides, I'll need the Pnumatic experience for my yr 12 DT major design project... Confused Flood me with your opinions Smile There seems to be three major tacts at pnumatics in Aus at the moment, high pressure big bore CO2 (marauder), not so high pressure smaller bore longer length (stealth) and not any more but the getto compressed air and bike pumps... better count that one out Laughing
I'm guessing though, if you were to directly use the end of the ram as the spike, a massive, possibly hydraulic ram may be needed? Very Happy
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Post Thu Apr 13, 2006 8:43 pm 
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Nick
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Laughing You need to ask Jake about plan-C - that's pretty much what you dreamt of! For that type of device, you need huge gas flow to get the ram traveling fast enough to d odamage. A big bore would also be handy, but its hard and expensive to get both.
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Post Thu Apr 13, 2006 9:06 pm 
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dyrodium
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Ah yeah, Aaron has since expained. Hmm lol
Possibly just for a lifter then, but i like the idea of my bot being completly enclosed to all spinner attacks, and the spike can retreat back from harm.
Oh also it wasn't a dream exactly, more a coke caused insomnia Laughing .
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Post Thu Apr 13, 2006 9:14 pm 
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