Tracked bots don't get any weight bonus, so they fit into the weight classes (eg, 13.6kg for a featherweight). If you want to go cheap, i think microswitching is the way to go. Although fidily and not too good, it will at least get your robot moving and after my test set, i made one that gave me next to perfect control (i can post a pic if you like). After that however.... you can invest in variable speed control, and either get something like the IBC, or 2 victor 883's. There are heaps out there, but i'm afraid standard hobby ESC's aren't good enough.

For hobby ESC's, try www.ebay.com.au
It's WELL WORTH registering!
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I have read many reports from people who have tried hobby speedos in robots. They all say that they are no good at all. Dyrodium is right. Go for a good speedo or micro switches.
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So even the rain that falls isn't actually going to fill our dams and our river systems

yeah nearly every hobbyweight robot out there uses tekin or Mtronics hobby controllers
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www.demon50s.com - Minimoto parts
http://www.youtube.com/user/HyzerGlen - Videoooozzz

The traxxas XL-1 is pretty cool for a car esc.
Only issue is its 8.4 volts but apart from that its worked good.
Ran those at the last event at rye and not a problem, they usially live in T34 which does put a load on them and have thrashed them for a couple of years.
They cost about 40 US and handle stalls of up to 100amps so if you had motors to match they might be usable.
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Bots that do not destroy you, only make you stronger.

Some 9.6v maximate drill motors"same as xu1 and kk2 only with 9.6v motor" and run them at 8.4v they should be fine as its only 1 cell less.
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Tim Team Reaper.

quote:

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Originally posted by dyrodium:
Tracked bots don't get any weight bonus, so they fit into the weight classes (eg, 13.6kg for a featherweight).

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Never knew that, but was it passed?
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I think it devolved into the usual "What counts as a tracked Robot ?" discussion that inevitably occurs whenever peolpe start talking weight bonuses..

IIRC, We had *sort* of settled on the idea that if it *couldnt* drive without its track, then it might be OK to give them a small bonus. (Ie, the driven wheels that drive the tracks werent allowed to touch the floor enough to allow the bot to move if the track was knocked off or damaged).

That way, it stops people from wrapping a large rubber band around their 4wd bot and claiming them to be tracked bot. There might have been something about multi-segmented tracks in there as well.. I dont remember exactly..

If anyone wants to go searching, the old forum is available at http://www.robowars.org/abblforum/
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Great minds discuss ideas. Average minds discuss events. Small minds discuss people

all right before we start a massive discussion in my build report i was just asking to see as if i could attach a set of gears to my bot and be allowed for the bonus. (cut two extra holes and add a sprocket simple )

any way the main prob with the speed controls is that the place where the nuts go in sould stop where the batterys going into there rightful spot. (a problem designing stuff when you don't actually have them)

i post pics of what i've done so far (a rare glimpse )
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For West ausies interested in robotics email me at: theoneshrug@hotmail.com
OR
dragoonarie@gmail.com
best quote ever:: "Those Gas-Turbine style warehouse heaters arent illegal, and neither is remote controlling one as far as I know."

unless i can find a person to host my pics there be NOTHING. i finaly got it wired and running around (just wires and stuff) but i found that the motors dosn't turn very well(not at all to be specific) i'm using mecanical speed controllers and power isn't an issue so what could be the problem?
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For West ausies interested in robotics email me at: theoneshrug@hotmail.com
OR
dragoonarie@gmail.com
best quote ever:: "Those Gas-Turbine style warehouse heaters arent illegal, and neither is remote controlling one as far as I know."

first of all , if i can remeber correctly weren't you going to use those Tamiya like speed controllers ? If you are there are supposed to be for 7.2 v hobby motors and i think you motors can't really handle it . Second finfing a place to host your pics are easy go to www.imageshack.com register and bam you have a place to host pics ... for free !!
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If practice makes perfect and no one is prefect, Then why practice?

You realise you can put the pics in the RoboWars Photo album and host them here ?

you just cant hot-link to them. you just list a URL in the message pointing to the album location as you often see people doing. if want to hotlink them, then you will need external hosting.
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Great minds discuss ideas. Average minds discuss events. Small minds discuss people

Anyone know where to host vidio files?
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Tim Team Reaper.

@ ali i have some 7.2 v mecanical speed controllers but they handle it very well considering (resister only getting a little hot)

@ brett the pics are too big to be uploaded
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For West ausies interested in robotics email me at: theoneshrug@hotmail.com
OR
dragoonarie@gmail.com
best quote ever:: "Those Gas-Turbine style warehouse heaters arent illegal, and neither is remote controlling one as far as I know."

so shrink them down a bit. who wants to look at a 1600x1200 res image (or whatever) when you're web-browsing anyway ?
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Great minds discuss ideas. Average minds discuss events. Small minds discuss people