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Dappleface



Joined: 25 Jul 2015
Posts: 7
Location: Mount Victoria / Leura


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New builder

Hi

I am really looking for advice on how to start competing and building. I have a basic design idea and a few parts already for my bot. I don't know anything about how anything works but i am a very fast learner. But i want to build a bot and enter into a fight and not have my bot absolutely shredded and i don't know what weight class i should enter.

i have a budget of around $1000 but I already have parts like a Huge electric motor and a few batteries. My biggest concern is how I move the bot and how I make it because transport is a key feature.

Any help is HUGELY appreciated

Thanks

Post Sat Jul 25, 2015 9:14 pm 
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marto
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Joined: 08 Jul 2004
Posts: 5459
Location: Brisbane, QLD


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Hi Angus has a few tutorials which will help you get started.
https://www.youtube.com/watch?v=8_kWYewQmV0

There isn't a lot of choice in weight classes in Australia its pretty much all Featherweights (30lb) 13.6kg.

As for moving it thats not too bad @ 13.6kg which is why we make them that size. Its not really feasible for us all to build 220lbers and travel.
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Post Sat Jul 25, 2015 9:39 pm 
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Philip
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Joined: 18 Jun 2004
Posts: 3842
Location: Queensland near Brisbane


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The sportsman class is designed to allow for competition without destruction. Damage in this class is normally cosmetic. You could build for the sportsman class and use the same parts in the open class later. You will have more than enough to build a (or two) very competitive sportsman(s) with $1000.
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Post Sun Jul 26, 2015 7:20 am 
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Dappleface



Joined: 25 Jul 2015
Posts: 7
Location: Mount Victoria / Leura


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What is the sportsman class

Post Sun Jul 26, 2015 8:10 am 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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Sportsman means no spinners and no wedges- and you must have a actuated weapon- same 13.6kg weight as feather😎
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Post Sun Jul 26, 2015 4:19 pm 
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Dappleface



Joined: 25 Jul 2015
Posts: 7
Location: Mount Victoria / Leura


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I want to have a bot similar to Nightmare and Tombstone how should i make it and in what weight class.

Post Sun Jul 26, 2015 5:39 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW


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That would be the main featherweight class, something like Tombstone is definitely not allowed in the Sportsman class.

Have a look at Glen's build pages for Decimator: http://www.robowars.org/forum/viewtopic.php?t=2023 for ideas on building an offset horizontal spinner. Also search the forum for Miles & Jules bot Judgemental. Building a like Tombstone as your first bot will be quite a challenge but with the budget you have its quite possible.
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Post Sun Jul 26, 2015 5:59 pm 
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marto
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Location: Brisbane, QLD


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I predict this will be the result. http://crystalnode.net/images/influenza/fail.gif

As cool as they look probably not the best thing to start with if you have no idea how anything works. Also
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Post Sun Jul 26, 2015 8:16 pm 
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marto
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Joined: 08 Jul 2004
Posts: 5459
Location: Brisbane, QLD


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https://docs.google.com/document/d/1v54yExHFa6Ljr4FGpZtj-TMKsaoL6Qv1vLuyYIKLMMI/pub

Here is our current rule set as well.

Steve
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Post Sun Jul 26, 2015 8:17 pm 
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Dappleface



Joined: 25 Jul 2015
Posts: 7
Location: Mount Victoria / Leura


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Ok,

Thank you for your help so far. I mend a design like tombstone but a blade like Nightmare. Also i found a huge motor only it has 3 wires coming out of it
A red one (which i'm guessing is positive)
a orange one
and a Yellow one

Any help with finding the cable out is hugely appreciated because we don't wanna break it because it is as fast as nightmare's.

Post Sun Jul 26, 2015 8:24 pm 
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Glen
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Joined: 16 Jun 2004
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Hey hey, Welcome Smile

Take a pic of it, might be an AC motor which is not useful in a robot.
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Post Sun Jul 26, 2015 9:57 pm 
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Spockie-Tech
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Joined: 31 May 2004
Posts: 3160
Location: Melbourne, Australia


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When you say "It is as fast as Nightmare's"..

How can you know that if you havent had it powered up (and thus connected yet ?)

If you want *speed, then a series-wound motor from a car-heater fan is a cheap source of motors that *love to rev, if you dont load them down too much. ScoopyDoo used one for its saw, and it used to hiss through the air it revved so fast.

Not much starting torque though, so not good for spooling up a heavy flywheel, just high rpm things, and they also tend to be reasonably large diameter.

Brushless is the go for power-to-weight if you can handle the price and the requirement to make mounts and pulley adapters for them.
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Post Sun Jul 26, 2015 11:21 pm 
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miles&Jules
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Joined: 19 May 2010
Posts: 3973
Location: ipswich QLD


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Also ...to make spinners you need access to a lathe or parts made on a latheā€¦.Also all my spinners except the first couple of attempts have had super tough hardox blades. You need that for a spinner to not break first time it hits another robot. check out the marketplace section on this forum there is often some ready made weapon blades for sale there. Cool
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www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Sun Jul 26, 2015 11:36 pm 
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Dappleface



Joined: 25 Jul 2015
Posts: 7
Location: Mount Victoria / Leura


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Motor Form

i found a way to check motors for ac or dc and the motor is ac so it is useless

Post Tue Jul 28, 2015 12:33 pm 
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marto
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Joined: 08 Jul 2004
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Location: Brisbane, QLD


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Sounded a little bit for 30lb anyway.

I would suggest trying to build something that drives then worry about weapon
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Steven Martin
Twisted Constructions
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Post Tue Jul 28, 2015 7:43 pm 
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