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  • Coolspeedbot's Avatar
    Today, 02:03
    So I have had to make a dramatic change to Wolf-E. The design I started back in June 2016 has been scrapped as it was proving too much of a pain and reflecting on other wedge bots, there was the...
    133 replies | 14069 view(s)
  • Sam_DRT's Avatar
    Today, 01:25
    Just curious, was that the same chimera that has since competed in robot wars? New creation sounds interesting, have you got a plan or are you setting yourself a challenge by using those parts?
    2 replies | 207 view(s)
  • TechAUmNu's Avatar
    Yesterday, 23:09
    TechAUmNu replied to a thread Power rails in Featherweights
    I would take those charts with a pinch of salt for our applications, since we are normally using silicone cables and only running for very short lengths of time. Best bet is to try running at full...
    15 replies | 907 view(s)
  • Will's Avatar
    Yesterday, 21:59
    Will replied to a thread Power rails in Featherweights
    For a more general rule on fuses, it's not just the source of power you're protecting, it's preventing the destruction of everything downstream to the fault and causing a fire from burning off the...
    15 replies | 907 view(s)
  • Danny B's Avatar
    Yesterday, 18:45
    Well, Manchester was one heck of a weekend, sadly cut short for Ferrovore. Weight allowance meant I couldn't fully cover the wheels, and one of them took such a wallop it dislodged a brush inside the...
    72 replies | 11129 view(s)
  • team death's Avatar
    Yesterday, 16:54
    4 Drill motors complete with chucks and two with speed control triggers. I bought these with the idea of making a couple of middleweight robots but lost interest. probably a great start to what...
    0 replies | 60 view(s)
  • Andy's Avatar
    Yesterday, 16:48
    Andy replied to a thread Luna-Tic improvments in Featherweights
    For the base, id say if it is a structural member of the chassis stick with thickish hdpe, if it is only really holding the internals in then 5mm hdpe or 3-4mm alu would be fine
    6 replies | 187 view(s)
  • typhoon_driver's Avatar
    Yesterday, 09:46
    No idea what aftershock used. To be honest, 4mm ali base for the most part should be fine against the majority of spinners. Top and bottom armour typically only has to worry about axes. Test...
    6 replies | 187 view(s)
  • lowndsy's Avatar
    Yesterday, 09:45
    lowndsy replied to a thread Quicruns in Featherweights
    Really sorry I couldn't make Saturday. Absolutely gutted, but the weddig reception I got dragged to was pretty good as well. How did Luna-tic do?
    9 replies | 402 view(s)
  • cjsowry's Avatar
    Yesterday, 08:20
    Gary, a friend of yours said to use hot glue around the receiver plugs.... but duck tape also might be worth a bash. If its good enough for Will and Aftershock!! If I was battling spinners, stick...
    6 replies | 187 view(s)
  • Redirect Left's Avatar
    Yesterday, 08:19
    Interesting start point already just from those 4 objects. Looking forward to seeing this!
    2 replies | 207 view(s)
  • cjsowry's Avatar
    Yesterday, 08:09
    Yh, I looked back at the nut we buy and there was two imperial measurements in the description. Thanks... lol
    6 replies | 187 view(s)
  • Roboteernat's Avatar
    Yesterday, 07:56
    Chris, regarding the hex nut question 3, it shoudl be a UNF 3/8 bolt to screw the otherside of the wheel, if i understand your question correctly.
    6 replies | 187 view(s)
  • typhoon_driver's Avatar
    Yesterday, 07:17
    1) 4mm will be roughly the same equivalent in weight and should hold up fine in non spinner featherweights. 2) Tightly wrap it in tape. A strip of duct tape around the leads held PP3Ds in fine. 3)...
    6 replies | 187 view(s)
  • cjsowry's Avatar
    26th April 2017, 22:44
    cjsowry replied to a thread Quicruns in Featherweights
    ha, well I never...... Wife bought a glue gun the other week too.!!
    9 replies | 402 view(s)
  • RogueTwoRobots's Avatar
    26th April 2017, 22:33
    RogueTwoRobots replied to a thread Quicruns in Featherweights
    A dab of hot glue between the servo lead plug and the receiver is usually enough to hold them in, but easy enough to peel off if you need to remove the plugs at any point.
    9 replies | 402 view(s)
  • cjsowry's Avatar
    26th April 2017, 22:05
    cjsowry replied to a thread Quicruns in Featherweights
    All three Quicruns held up well. Didn't purposely get into any proper pushing contests with other bots. But eight fights in, the only problem with the esc's was one of the receiver plugs fell out,...
    9 replies | 402 view(s)
  • cjsowry's Avatar
    26th April 2017, 21:53
    Some of you are aware I had my first event with my first bot, did better than expected but I now have a list of improvements and upgrades I need to do. Some I can manage myself others are making my...
    6 replies | 187 view(s)
  • callumhoy's Avatar
    26th April 2017, 19:08
    Anyone in the Norfolk/East Anglia area know of a good place to test drive? Everywhere around me is too bumpy and uneven, making it hard to get used to drive and check speed and grip etc.
    26 replies | 5586 view(s)
  • AIDAN's Avatar
    26th April 2017, 16:25
    I have only use them on a TestBench so I don't really think I am in the position to comment sorry
    35 replies | 2974 view(s)
  • robotic_ants's Avatar
    26th April 2017, 16:07
    robotic_ants replied to a thread Mr RAnts Clear Out in For Sale
    Additional Items... Pair of Graupner Speed 900 BB Torque Motors, very good condition, very little use. £65 for the pair ...
    15 replies | 2481 view(s)
  • Theo's Avatar
    26th April 2017, 15:14
    Do the eBay ones have braking? They're much cheaper than the others and would be ideal for my build (with two of course). The only thing bad is that it says they don't brake, yet the actual eBay page...
    35 replies | 2974 view(s)
  • AIDAN's Avatar
    25th April 2017, 21:40
    True, It has to be said it served its purpose, I have fitted the £55 one now without burning it out so it was a good guinea pig. Thanks everyone for your help what a great community:-)
    35 replies | 2974 view(s)
  • Shakey's Avatar
    25th April 2017, 21:24
    They do work, you're just mixing up dual and single channel speed controllers!
    35 replies | 2974 view(s)
  • AIDAN's Avatar
    25th April 2017, 21:19
    I think you're right just wired the 2 channel one and it works fine weirdly the guide says that the eBay ones work but just don't brake. Thanks :-)
    35 replies | 2974 view(s)
  • Theo's Avatar
    25th April 2017, 20:42
    The eBay one seems to be a single direction speed controller that drives the two motors in the same direction. I guess 2 of those would work fine in a 4wd setup, but there are some cooler (£15 more...
    35 replies | 2974 view(s)
  • Shakey's Avatar
    25th April 2017, 20:25
    It sounds like the ebay one is a single channel ESC, meaning it can only listen to one command at once. Hence only having one servo wire and cannot do tank steering. Each 'channel' (Ie forwards or...
    35 replies | 2974 view(s)
  • AIDAN's Avatar
    25th April 2017, 20:13
    Hi I took the advice which was very much appreciated and bought one from Rory mangles, I also bought the cheap one from eBay to setup with as I'm new to this and didn't want to blow a £55 esc. The...
    35 replies | 2974 view(s)
  • team death's Avatar
    25th April 2017, 17:20
    I have been out of the Robot combat scene for 6 years now but you know how it is, its hard to get robot fighting out of the blood and the latest series of Robot Wars on tv has revised my interest....
    2 replies | 207 view(s)
  • tweedermeister's Avatar
    25th April 2017, 16:23
    I use fingertech foam wheels on snap hubs with 4 layers of liquid latex on them, they provide more than enough grip with the latex on them and the foam works nicely to isolate the motor shafts from...
    16 replies | 811 view(s)
  • maddox10's Avatar
    25th April 2017, 13:09
    maddox10 replied to a thread Bullfrog in For Sale
    Smaller combat robots maybe?
    13 replies | 1530 view(s)
  • lowndsy's Avatar
    25th April 2017, 12:51
    Is that foam / sponge tread? More experienced Beetleweighters will have to step in if I'm wrong, but they seem a little too lightweight to me.
    16 replies | 811 view(s)
  • overkill's Avatar
    25th April 2017, 11:22
    overkill replied to a thread Bullfrog in For Sale
    That's just crazy talk - what could be a higher priority than combat bots? :)
    13 replies | 1530 view(s)
  • maddox10's Avatar
    25th April 2017, 04:39
    maddox10 replied to a thread Bullfrog in For Sale
    Bullfrog isn't sold yet. The previous highest bidder realised that life has other priorities...
    13 replies | 1530 view(s)
  • WireD64's Avatar
    24th April 2017, 17:58
    Thanks for that information, got the rest of my bits arriving tomorrow to get it wired up, so think ill be fine now, however still am unsure about wheels as id rather not source them from the US and...
    16 replies | 811 view(s)
  • R9000's Avatar
    24th April 2017, 16:34
    R9000 replied to a thread Dynastinae Build Diary in Beetleweights
    Yeah, don't cut the ground wire, you need that to reference the data signal. Also you don't have to cut them. There is a little flap you can pull up to remove the wire from the connector without...
    16 replies | 811 view(s)
  • Shakey's Avatar
    24th April 2017, 14:34
    Argos 12v simple value drill motor mounts I have designed a set of mounts for the 12v argos simple value drillmotors available here: http://www.argos.co.uk/product/6161400 More detail on the...
    0 replies | 356 view(s)
  • maddox10's Avatar
    24th April 2017, 13:49
    We don't use Andersons anymore. Too large and heavy compared to the other options, like EC8, EC5 or XT90 connectors. Electronics, like valve control wires, we use 1.5mm² wire or AWG16. ...
    2 replies | 245 view(s)
  • lowndsy's Avatar
    24th April 2017, 13:41
    You usually cut the red wire to turn off the BEC power supply from the esc to the receiver (when you have a black, white and red wire). I trimmed mine just before the connection to the receiver...
    16 replies | 811 view(s)
  • lowndsy's Avatar
    24th April 2017, 12:10
    Banebots wheels are mentioned heavily on here. They fit straight on to different shaft sizes, have options for double or even triple wheels on one hub and are meant to be quite grippy. I will be...
    16 replies | 811 view(s)
  • blazerbotics's Avatar
    24th April 2017, 11:43
    Depending on your current draw, the standard is the Andersons SB50, or EC5 or EC8's. Silicon wiring is nice to use as its more flexible, but if not anything else works, as long as its big enough.
    2 replies | 245 view(s)
  • Felix Townsend's Avatar
    24th April 2017, 10:15
    If you aren't in need of a high amp range than I used a sabertooth x2 15or so amp controller in my first robot and It was working fine. Some people will tell you about how they can be a pain but I...
    22 replies | 4483 view(s)
  • Felix Townsend's Avatar
    24th April 2017, 10:12
    the 85 amp controllers are from ranglebox http://ranglebox.com/product/botbitz-85a-v2-brushed-esc/
    22 replies | 4483 view(s)
  • mmarab's Avatar
    24th April 2017, 08:43
    The impact and damage from heavyweight battles I'm assuming will also prove a challenge in terms of wiring and holding everything together. I was interested to know what wire you guys would recommend...
    2 replies | 245 view(s)
  • Theo's Avatar
    23rd April 2017, 20:12
    I was just looking for some cheap brushed speed controllers. Motors and the shell have taken up most of my budget, the only ones I can find are those cheap 320A eBay ones, but they aren't easy to...
    22 replies | 4483 view(s)
  • pressure's Avatar
    23rd April 2017, 19:24
    pressure replied to a thread 0.6kg Co2 bottles. in General Chat
    Thanks Guys, just got one via eBay, £24 new including delivery. Mike.
    3 replies | 200 view(s)
  • WireD64's Avatar
    23rd April 2017, 12:52
    What would be a good choice of wheels to fit a 4mm motor shaft?
    16 replies | 811 view(s)
  • daveimi's Avatar
    23rd April 2017, 06:16
    Perfect! All that's left to put in is a switch or removable link on the live cable before it gets to the esc's. Also don't forget that you only need power from one esc to get to the receiver or it...
    16 replies | 811 view(s)
  • calumco's Avatar
    23rd April 2017, 00:45
    calumco replied to a thread Drive train in Build Diaries
    Thanks :) - it's all just little things now - mechanically it's driveable once I get round to wiring it up
    13 replies | 3217 view(s)
  • Roboteernat's Avatar
    22nd April 2017, 23:07
    That's where my bottles ended up coming from!
    3 replies | 200 view(s)
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