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  1. Replies
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    60A is a tad low for our application. But with...

    60A is a tad low for our application. But with the right shock mounting, those could be usable.
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    835

    If cost is a hindrance, start smaller. A heavy...

    If cost is a hindrance, start smaller. A heavy will cost you a 2de hand car in the run of a few years. It ain't a cheap hobby.

    On the other hand, it's a very satisfying hobby that will boost your...
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    835

    What do you call cheap? ESC's that are difficult...

    What do you call cheap? ESC's that are difficult to control? Lacking fine control, making the machine unsteerable? Or blowing up every fight some demand is placed upon them?

    A good ESC is...
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    398

    Theo, for all classes, most LiPo's are approved...

    Theo, for all classes, most LiPo's are approved by the FRA and subsequently the event organisers.
    Team RCC used 5000mAh and 8000mAh "el cheapo" Hobbyking LiPo's in Bullfrog, and never had any...
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    That is a heap of capacitators... Don't believe...

    That is a heap of capacitators... Don't believe that will fair well in our mechanical gladiators.

    I agree with Gary. Buy cheap is to buy a lot more. And still end up with one of the more...
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    The big teeth that do the work destroying the...

    The big teeth that do the work destroying the opponents. A Monoblock spare disk is a good plan. I think you'll need it.

    On the gear-rings. I hope you will do the spare disk with full length...
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    4,480

    I have to admit. Impressive in total, but I'm not...

    I have to admit. Impressive in total, but I'm not so happy on the welds. Especialy the ones for the teeth scare me.
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    437

    50 kg on top of the front lifting plate. So,...

    50 kg on top of the front lifting plate.

    So, with a 200kg Linak you can topple an opponent with a 3-1 leverage. (I use gutfeeling and distract mechanical losses)
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    According the picture it's a standard Viper and...

    According the picture it's a standard Viper and has 1 channel, unlike the older brother, the Sidewinder, what had 2 channels.
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    That Imax B6 charger is the go to for every...

    That Imax B6 charger is the go to for every starting roboteer. Fine charger for featherweight LiPo's (and every other useable battery technology, even lead acid). But will need a powersupply. The...
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    That ram is a rebuild bottlejack. The motor is...

    That ram is a rebuild bottlejack.

    The motor is a Johnson 51mm , the same as a Speed 900 but faster running and a shaft of 1/4" or 6.35mm
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    One of the motors I had in mind for an hydraulic...

    One of the motors I had in mind for an hydraulic unit is http://www.revolt.org.il/rv-160-model/rv-160-short/]this monster[/url].
    The 81 KV is about perfect to be combined with 10S LiPo and a 5.8cc...
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    This unit will spill oil when inverted, and will...

    This unit will spill oil when inverted, and will need a conversion.
    On test points, the valveblock has enough threaded holes to put one in.

    What I would change. About everything.
    Replacing...
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    7 tons on a ram, with an affordable hydraulic...

    7 tons on a ram, with an affordable hydraulic unit. 200bar work pressure peak =63mm bore ram.
    3,1 Liter volume with 100mm stroke.
    20mm sec= 3.1*5= 15.5l/min , this is a lot for a cheap unit. (+/-...
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    High speed "grinding" tools will melt the HDPE. ...

    High speed "grinding" tools will melt the HDPE. You can offset that fact a bit by using coolant, even using a brush and water will help.

    But the best way to work HDPE is to use low speed...
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    The Banebot gearbox, as well the Portugese REC,...

    The Banebot gearbox, as well the Portugese REC, the UK Saturn and Neptune (and grandfathers of'm, de GR01 and 02) are all based on something easy and simple to get, batterydrills. The only thing...
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    If the machine stays in weight, anything is...

    If the machine stays in weight, anything is allowed as long the basics of the machine don't change.
    Because, if you go to far the other way, even a welding bead on the armor could be seen as a...
  18. Thread: Tx85

    by maddox10
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    408

    Wh not trying an IBF?

    Wh not trying an IBF?
  19. Thread: Tx85

    by maddox10
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    408

    Normaly I would say "Ellis @ Ranglebox". But he's...

    Normaly I would say "Ellis @ Ranglebox". But he's out of stock.
    http://ranglebox.com/product/botbitz-85a-v2-brushed-esc/

    Other option is the Original Botbitz (and supplier of Ranglebox)...
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    Most use a 100mm bore ram. And that produces...

    Most use a 100mm bore ram. And that produces 5x5xPix55 kg of force. Give or take 4 tons.

    Mechanical leverage combined with stroke will dictate the amount of lifting power on the flipperedge...
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    With the money needed to get a Lynch drive...

    With the money needed to get a Lynch drive reliable you can build a brushless drive with as much power, lower weight and higher reliabiliy.
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    Events. Look in the top "bar", and you'll see a...

    Events. Look in the top "bar", and you'll see a few names. Extreme robots, Robochallenge, Robots Live and Kinematic. Those are UK Robot wars related event organisers and the websites will tell you...
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    ali 1050? That's low strenght heatsink "pure"...

    ali 1050? That's low strenght heatsink "pure" ali.
    Better to use 10mm Ikea cutting board.
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    The weight of the "cluster" parts isn't...

    The weight of the "cluster" parts isn't important for the rules, it's the total weight of the machine.

    I myself would be very weary of Gravity 3 flipping Valkirie3 into the arenawall...
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    4mm of what kind of ali?

    4mm of what kind of ali?
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