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  • Ocracoke's Avatar
    Yesterday, 22:43
    Oh awesome, I didn't know that was Theta. I'll remember that for future events! ;) Thing is, if Blunt Force Trauma hadn't knocked into me as I was ramping off of you, the wings would have saved me...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    Yesterday, 21:38
    Ocracoke replied to a thread BOB FW Series in Build Diaries
    Had a look over the melees I could see your robot in, was it struggling with battery power? Seemed to struggle turning?
    51 replies | 4992 view(s)
  • Ocracoke's Avatar
    Yesterday, 21:21
    Thanks for all the kind comments! I'll have the design of The Honey Badger 3 finalised by the end of the week. I've started properly assessing the damage on The Honey Badger 2 - needs a fair bit of...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    Yesterday, 21:13
    Well done for going in despite all the issues you were having. The axe certainly sounds impressive and I wouldn't want to be hit too much by it. For your ground clearance issues, perhaps mounting...
    13 replies | 726 view(s)
  • Ocracoke's Avatar
    Yesterday, 21:05
    I stand by what I said. :D In all honesty, I was just glad to see Shrapnel at all given what I've read here.
    28 replies | 5013 view(s)
  • Shakey's Avatar
    Yesterday, 18:16
    You rang? Red was an unused series 3 minibot design using 2 steel cables suspended in the cross, probably wouldn't have really worked, aimed more at verts than horizontals.
    11 replies | 111 view(s)
  • Ocracoke's Avatar
    Yesterday, 17:15
    Sections 13 and 14 are from the Robot Wars series 10 ruleset. I can see where you are going with this. I suppose the question is "does something that is detached from the robot by the opponent...
    11 replies | 111 view(s)
  • Ocracoke's Avatar
    Yesterday, 16:46
    I wouldn't have thought so, untethered devices (wherever or not they were entanglement devices) are specifically prohibited under 12.6: The Robot Wars Series 10 rules say this about...
    11 replies | 111 view(s)
  • Ocracoke's Avatar
    Yesterday, 15:32
    Ocracoke replied to a thread Madusa Build Tread in Build Diaries
    Unless you are confident about making Brushless motors work, I would keep with the brushed setup as is and see if the ESC and motor can be revived so you can gain more experience at less cost for the...
    42 replies | 2624 view(s)
  • Ocracoke's Avatar
    Yesterday, 13:34
    There certainly is but it doesn't cover Antweights or Beetleweights and I'd question how reliable it is now given the age (from 2009 I think) of it but makes a good starting point. It is a little...
    6 replies | 175 view(s)
  • Ocracoke's Avatar
    Yesterday, 10:43
    And here is the video of all four fights. There'll be a "cutting room floor" compilation later on. Now to design The Honey Badger 3.
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    Yesterday, 08:57
    I didn't see anything nasty there, I wouldn't worry. ;) As I say, I've got an idea in my head for the next one. I'll need to sit down with a pen and paper and work it out properly. Can't wait to...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    22nd April 2018, 20:53
    So Manchester was a blast. It did feel more like "A featherweight event with some heavies thrown in" but when you are talking 28+ featherweights in the pits, it is easy to come to that conclusion....
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    21st April 2018, 21:39
    No worries, I think Ikari may have had this problem as well. It was awesome, I'll save on the details until you've seen it on Sunday but safe to say, plenty of work to do ;)
    15 replies | 769 view(s)
  • Ocracoke's Avatar
    21st April 2018, 21:19
    Sounds as if the NanoTwo is holding onto a failsafe state that would appear to include signalling from the TX at the time of binding. Try rebinding the TX and the NanoTwo, making sure not to touch...
    15 replies | 769 view(s)
  • Ocracoke's Avatar
    21st April 2018, 21:08
    Ocracoke replied to a thread Project Squirrel in Featherweights
    Awesome-sauce, see you tomorrow. ;)
    187 replies | 26486 view(s)
  • Ocracoke's Avatar
    20th April 2018, 21:41
    I approve very much, well done! Am I right in thinking you are using a NanoTwo V3? The V3 delivers the full battery voltage to the servo rather than limit it to 5V so if the servo you have is a...
    15 replies | 769 view(s)
  • Ocracoke's Avatar
    20th April 2018, 12:40
    I would have thought so but one of the resistors have exploded (I might have plugged in the 6S set into that one without disconnecting the LED). I have got some higher voltage LEDs on order but they...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    20th April 2018, 12:25
    I have a pair of 14v LEDs (they already have a resistor in them). Just tried putting the batterties on charge, a 3S LiFe battery is reading < 5 volts! The other 3S set is not far behind but the...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    20th April 2018, 10:36
    I don't have any resistors at the moment and can't leave the house to go get some. Putting the second LED in series, I thought, would half the voltage over the two lights.
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    20th April 2018, 09:56
    Pretty much ready for Manchester now except for some LEDs that were supposed to have been delivered yesterday but haven't. I do have another LED which if put in series with the other LED, should...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    19th April 2018, 19:59
    Ooooooooooooohhhhhhh, looking forwards to seeing this! See you there!
    28 replies | 5013 view(s)
  • Ocracoke's Avatar
    19th April 2018, 19:46
    Ocracoke replied to a thread Project Squirrel in Featherweights
    I have some offcuts of Aluminium treadplate that should suffice. I can adapt it on the day.
    187 replies | 26486 view(s)
  • Ocracoke's Avatar
    17th April 2018, 22:56
    HDPE isn't particularly heavy in of itself. The Honey Badger 2.2 uses 10mm HDPE which, all told, probably adds up to only 1kg, maybe less. If you want it green though, why not look at RG1000, which...
    8 replies | 257 view(s)
  • Ocracoke's Avatar
    17th April 2018, 18:08
    Most ESCs these days have a LiPo function that automatically cut power when the voltage level is too low. The Cytron definitely has the facility to detect undervoltage (< 3.0v per cell)...
    136 replies | 26739 view(s)
  • Ocracoke's Avatar
    16th April 2018, 20:18
    So a little change, I've gone back to the CIM motors I was originally planning to use for this and there'll be a little bit of adjustment in the sizes. I'll be releasing a drawing of what it...
    30 replies | 2785 view(s)
  • Ocracoke's Avatar
    16th April 2018, 10:10
    Ocracoke replied to a thread 18V Safety Light in Featherweights
    Technically, that could also happen with a hardwired solution (the wires to the LEDs being cut by a spinner for example) and I think that is the crux here, is the only acceptable power light solution...
    10 replies | 465 view(s)
  • Ocracoke's Avatar
    16th April 2018, 09:18
    I am using a single channel FeatherTwo from NutsAndBots.co.uk (https://nutsandbots.co.uk/product/feathertwo-single-channel/) which works quite nicely.
    3 replies | 229 view(s)
  • Ocracoke's Avatar
    15th April 2018, 10:43
    The next EXR event is in Portsmouth on the 19th-20th May. If that is too far, EXR Guildford is on the 9th and 10th of June. I should stress that Extreme Robots have a limit of HW spinners tip speed,...
    9 replies | 413 view(s)
  • Ocracoke's Avatar
    14th April 2018, 18:55
    Here we go. A slight revision, it is a 3 stage gearbox, not a 2 stage. The key bit to watch is the gear on the topmost shaft, watch that wobble about.
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    14th April 2018, 18:45
    Ocracoke replied to a thread Madusa Build Tread in Build Diaries
    Sounds as if there is a reverse needed on one of the channels on the transmitter possibly, I need to do that on The Honey Badger and I think it might have been for this reason.
    42 replies | 2624 view(s)
  • Ocracoke's Avatar
    14th April 2018, 18:32
    Because of where it is in the robot, you can't see it binding up, definitely got a video of the gearbox after the case has been dissembled, I'll post it shortly. Repositioning the shaft and bearings...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    14th April 2018, 17:45
    So a new hub arrived and now it has a M4 hex bolt as a locking pin. Great, except the gearbox has jammed up yet again. :( I know what the issue is - the gearbox is a 2 stage reduction gearbox and...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    13th April 2018, 08:47
    Ocracoke replied to a thread First Robot in Beetleweights
    I don't use that particular variant so I can't comment but so long as the receiver failsafes to a safe/off position, it then comes down to what you want out of a transmitter. The battery and ESC...
    14 replies | 597 view(s)
  • Ocracoke's Avatar
    12th April 2018, 22:12
    Ocracoke replied to a thread First Robot in Beetleweights
    As I mentioned in my last post, a OrangeRX transmitter would do the job here. Alternatively (and this is the one I have use with Shu! before), a FlySky TX/RX works fine as well. The batteries you...
    14 replies | 597 view(s)
  • Ocracoke's Avatar
    12th April 2018, 17:28
    Ocracoke replied to a thread Project Squirrel in Featherweights
    Has a date for that been announced yet?
    187 replies | 26486 view(s)
  • Ocracoke's Avatar
    12th April 2018, 12:13
    Ocracoke replied to a thread Project Squirrel in Featherweights
    The next nearest one to Sheffield is Grantham, which is a Robots Live! event. That is the 23rd + 24th June.
    187 replies | 26486 view(s)
  • Ocracoke's Avatar
    12th April 2018, 08:42
    No worries, plenty of axe bots left to have a play with ;) I would like to get mine going again :P
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    11th April 2018, 22:12
    Annnnnndddd now the grub screw has sheared in the hub, new one required and ordered :( Definitely going to change this mechanism, it just does not handle shock at all well. Actually, in addition,...
    236 replies | 31247 view(s)
  • Ocracoke's Avatar
    11th April 2018, 21:29
    Is the axe mechanism sticking in the cycle? The last swing didn't seem to be particularly free, looks and sounds pretty tasty though, well done ;)
    13 replies | 726 view(s)
  • Ocracoke's Avatar
    11th April 2018, 21:19
    Ocracoke replied to a thread First Robot in Beetleweights
    Hey there, welcome to the forum! I use LiFePO4 batteries in my Beetleweight Shu! which worked quite nicely at the last Beetleweight event I was in though they give out less power than LiPos (a...
    14 replies | 597 view(s)
  • Ocracoke's Avatar
    10th April 2018, 11:32
    So mixed results - I upped the voltage from 13.2v nominal to 19.8v nominal and the axe now fires at a relatively quick rate. I'll need to get a new LED to handle the upped voltage (I am all out at...
    236 replies | 31247 view(s)
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About joebrown

Basic Information

Age
25
About joebrown
Name:
Joe Brown
Biography:
Host for Bristol Uni Antweight. Passionate about Bristol and crab based robots.
Location:
Bristol
Occupation:
Elec Engineer
Robots:
Crabsolutely Clawful (Beetle & Ant)
Cluster Duck (Beetle & Ant)
Sgt Tash (Ant)
Little Prick (Ant)

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