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  • TechAUmNu's Avatar
    Yesterday, 23:03
    Wow I really haven't updated this in a year... oops. We are hopefully going to be attending XR Bolton in a few weeks time. So its all hands on deck to get everything working to the best of our...
    68 replies | 12731 view(s)
  • Shooty's Avatar
    Yesterday, 17:33
    I notice in your last picture that one of the metal pins on the gearbox has come loose. if one of those comes loose, the entire planetary setup can come loose or seize as well. I'd recommend putting...
    47 replies | 5395 view(s)
  • Ocracoke's Avatar
    Yesterday, 11:41
    RL Grantham 2019 A personal opinion first - if you are new to the whole fighting robotics scene (and by new, I mean first ever event), I do recommend Grantham. I might be a bit biased given that two...
    109 replies | 12125 view(s)
  • Shooty's Avatar
    Yesterday, 09:47
    Sorry for delay in reply. HDPE is really good for press fitting like you said, especially if the holes are undersized. For Léim Thart, I needed to press in a 1/2 inch bearing, and for that I just...
    3 replies | 382 view(s)
  • LookingToBuild's Avatar
    Yesterday, 00:08
    I ordered 4 sets of these mounts, from order to delivery, just a few days. Thank you Roboteernat. I have to say they do their job really well, and are certainly well designed to keep the new*er*...
    3 replies | 1079 view(s)
  • Flag Captured's Avatar
    22nd June 2019, 14:27
    various bits of robot offers on these, ideally would prefer to bring to Robonerd than post because postage will need to be covered and that's a lot for these things Some of Hatchet 3 ...
    1 replies | 364 view(s)
  • Team Gremlin's Avatar
    20th June 2019, 21:34
    Wer selling WormGear to finance another new build, a little dinged up from the battle with aftershock but still runs fine. It will only be the main frame, wheels, motors and lids as pictured, will...
    0 replies | 221 view(s)
  • Wkdintent's Avatar
    20th June 2019, 14:09
    Wkdintent replied to a thread Go Ugly Early (FW) in Build Diaries
    Thanks. I've lost the ability to self right at the moment, but I have some ideas to solve that.
    20 replies | 5104 view(s)
  • Roboteernat's Avatar
    20th June 2019, 10:43
    Thats come on nicely from seeing it last year! i love how neat the actuator sits inside the bot at full lift too! nicely thought of.
    20 replies | 5104 view(s)
  • Wkdintent's Avatar
    19th June 2019, 21:14
    Wkdintent replied to a thread Go Ugly Early (FW) in Build Diaries
    Thanks. My colour choice was driven by the team Polo shirts I hurriedly made for Cheltenham last year. The primer underneath is red oxide paint, which now I think about it, will make the bumps and...
    20 replies | 5104 view(s)
  • Ocracoke's Avatar
    19th June 2019, 20:27
    Hahaaaa, no worries James. Azriel shouldn't be as prone to getting stuck as The Honey Badger was, but we will see.
    109 replies | 12125 view(s)
  • team death's Avatar
    19th June 2019, 20:05
    Thank's James Yes it's just arrived and your'e right 3 pm and 10 am respectively.
    2 replies | 193 view(s)
  • McMullet's Avatar
    19th June 2019, 19:58
    McMullet replied to a thread Go Ugly Early (FW) in Build Diaries
    Looks fab! Really liking the way the forks are assembled. Also I'm a sucker for a red and blue colour scheme so I heartily approve of your aesthetic choices. :)
    20 replies | 5104 view(s)
  • James Williams's Avatar
    19th June 2019, 19:55
    There's no spinners at Grantham, but that floor flipper of theirs can mess you up as badly as anything. I'll try not to get us both caught on it this time Lucy. :roll:
    109 replies | 12125 view(s)
  • James Williams's Avatar
    19th June 2019, 19:52
    Hi Colin I got my email from Alan about an hour ago & on that it mentioned getting there for 3pm on the Saturday & 10am on the Sunday. If you haven't got a copy yet you could ask Alan if he's got...
    2 replies | 193 view(s)
  • McMullet's Avatar
    19th June 2019, 19:51
    Aha, so your 4s is 2x 2s, so you'll take out one 2s, replace it with a 3s and then that makes a 5s... It's almost too simple! :P Hope you can bring Azriel to Robodojo! Assuming the spinners don't...
    109 replies | 12125 view(s)
  • team death's Avatar
    19th June 2019, 19:38
    Anyone know the arrival time and tech check time for Grantham? I registered a while ago but haven't heard anything, I know the show starts at 6 pm and finishes at ten which seems a little later...
    2 replies | 193 view(s)
  • Ocracoke's Avatar
    19th June 2019, 18:37
    The 3S would replace one of the 2S batteries, my series adaptor only accepts two batteries. :p
    109 replies | 12125 view(s)
  • McMullet's Avatar
    19th June 2019, 17:48
    Looking great! Well done on using most of the mass budget. :D I may be missing something there, but what's that going with to make 5s? Presumably not the 4s, because that would make 7s? :p
    109 replies | 12125 view(s)
  • Ocracoke's Avatar
    19th June 2019, 17:11
    Ocracoke replied to a thread Go Ugly Early (FW) in Build Diaries
    Looks neat, looking forwards to fighting it in the arena. :D I pretty much did this with Azriel. Save for the body, all of the parts pretty much came out my last Middleweight.
    20 replies | 5104 view(s)
  • Wkdintent's Avatar
    19th June 2019, 16:55
    Wkdintent replied to a thread Go Ugly Early (FW) in Build Diaries
    After a few months of doodling and silly ideas, I began work on version 1.1. The plan was to get her ready for RL Grantham, and just in the nick of time, here she is. Most of the hardware has...
    20 replies | 5104 view(s)
  • Ocracoke's Avatar
    19th June 2019, 13:24
    Thanks for the advice Colin. With the gear ratios on Jibril going to 15.75:1, I suspect that'll help a lot anyway but the spring idea isn't a bad idea, I think the season 2 version of Bumblebot used...
    109 replies | 12125 view(s)
  • Tkd2612's Avatar
    19th June 2019, 13:18
    I am making a load of link blocks for xt60s and small matek led strips. if anyone would be interested pm me
    0 replies | 108 view(s)
  • Flag Captured's Avatar
    18th June 2019, 22:27
    Both sold
    1 replies | 513 view(s)
  • Flag Captured's Avatar
    18th June 2019, 17:33
    Got a few things for sale I'm wanting to shift, PM me offers if prices aren't stated. May take a while to get back to people with me being busy most days now but will try to get back asap SOLD -...
    1 replies | 364 view(s)
  • Flag Captured's Avatar
    18th June 2019, 16:06
    Got a pair of Propdrive V2 5060 270KVs for sale, brand new and still in the box. Excellent spinner or drive motors for featherweights. £44 from HK, looking for the same but will do £80+P&P for...
    1 replies | 513 view(s)
  • team death's Avatar
    18th June 2019, 15:59
    I don't have a axe weapon but I do have some knowledge of cim motors and ratios. You would never be able to self right with such a ratio of 3:1, I would use a minimum of 8:1 and you will be...
    109 replies | 12125 view(s)
  • Ocracoke's Avatar
    18th June 2019, 12:59
    As a general inquiry, what ratio do folks run their axes at these days? For RL Grantham, Azriel will use the same 3:1 setup that Kaizen used last year with the CIM motor which in testing has been...
    109 replies | 12125 view(s)
  • McMullet's Avatar
    17th June 2019, 20:18
    Nice... Looking forward to seeing it finished!
    109 replies | 12125 view(s)
  • Ocracoke's Avatar
    17th June 2019, 20:03
    They are Gimson 13.7:1 motors (https://gimsonrobotics.co.uk/categories/dc-electric-motors/products/gr-ep-45-high-power-45mm-planetary-gearmotor). Coupled with 775 motors, they are a solid, if...
    109 replies | 12125 view(s)
  • McMullet's Avatar
    17th June 2019, 19:54
    Nice going! What's the drivetrain made up of, the motors look like something a bit nicer than drills... More importantly, is it also going to be pink? :D
    109 replies | 12125 view(s)
  • Ocracoke's Avatar
    17th June 2019, 19:46
    Azriel After finding a few moments to concentrate on this one, I've got it rolling. It isn't The Honey Badger quick but it is quite controllable as a result. Thanks to having the wiring loom, motors...
    109 replies | 12125 view(s)
  • McMullet's Avatar
    17th June 2019, 18:25
    Great stuff! Thanks for taking the time to write all this up. I'll have to try gluing some plans onto the raw material in future, hopefully that'll reduce levels of wonkiness a bit! We've been on...
    3 replies | 382 view(s)
  • Roboteernat's Avatar
    17th June 2019, 10:14
    Just wanted to say thank you to the Forum owners for increasing the number of allowed saved messages to 20,000, up from 50, an increase of 39900% Thank you :)
    0 replies | 104 view(s)
  • Shooty's Avatar
    16th June 2019, 23:55
    FOLLOW-UP: This video from Team Saint covers a few extra tips for HDPE cutting. the blade being used here will likely be too big for many cuts necessary, especially at lower weight classes, but the...
    3 replies | 382 view(s)
  • Shooty's Avatar
    16th June 2019, 23:46
    So I've been working fairly non-stop on beetleweights and featherweights for the past two years, and each of my builds have involved robots almost entirely constructed out of HDPE. I have a lot to...
    3 replies | 382 view(s)
  • team death's Avatar
    16th June 2019, 20:24
    If your wheels are plastic you will have to bolt the sprocket on and you will need to be very accurate because any up and down movement due to misalignment or side ways wobble will cause the...
    7 replies | 315 view(s)
  • para1yz3r's Avatar
    16th June 2019, 20:02
    Ok, think I got it mostly sorted now. just one last thing, how would you go about attaching the sprocket to the wheel and can anyone reccomend a good place to get appropriate sprockets?
    7 replies | 315 view(s)
  • team death's Avatar
    16th June 2019, 19:41
    Where possible you should use a single axle for strength and even on my feathers I don't go less a 25mm axle for the simple reason if you get flipped 6 feet in the air-your wheels and thus the...
    7 replies | 315 view(s)
  • para1yz3r's Avatar
    16th June 2019, 19:24
    but wouldnt the wheel rub against whatever part of the robot the bolt is going through and cause friction?
    7 replies | 315 view(s)
  • MattLampitt's Avatar
    16th June 2019, 18:04
    Because the bolt head or a nylock Nut is on the end.. I give it about 1mm
    7 replies | 315 view(s)
  • para1yz3r's Avatar
    16th June 2019, 17:32
    Thx for the answer, but how do you make sure the wheels dont move side to side on the axle?
    7 replies | 315 view(s)
  • MattLampitt's Avatar
    16th June 2019, 17:29
    I use m8 high tensile bolts as my fixed wheel axels for belt drive. It hasn’t let me down. Only time they bent was when it got a direct hit from a spinner. Still considering upping to m10 though.
    7 replies | 315 view(s)
  • HereticBlue's Avatar
    16th June 2019, 15:22
    Sorry for the late update, all of the above are now sold. We have some extra parts to add in here since they were originally used in Bonfire! If you are interested in these or have any questions,...
    3 replies | 695 view(s)
  • Ocracoke's Avatar
    16th June 2019, 15:15
    Jibril So the gearbox sides have been cut and the gears are on the shaft for Jibril but I've yet to make any head way in actually building it. Given the now tight timelines to RL Grantham, I may not...
    109 replies | 12125 view(s)
  • para1yz3r's Avatar
    16th June 2019, 13:11
    Hi, am in the process of laying out a CAD plan for a wip robot and was wondering what the best way to mount the axles for a chain drive system? thanks in advance, Ben
    7 replies | 315 view(s)
  • widow_twanky's Avatar
    16th June 2019, 09:03
    Traditionally I've always used something like Loctite 401 for magnets. I had read people were using epoxy for holding them in on brushless motors. Wondered if there was any reason for this such as...
    4 replies | 345 view(s)
  • maddox10's Avatar
    15th June 2019, 14:34
    The NTM 5060 is a very useable motor. But I tend to "ruggedize" them with glue for the magnets, and epoxy for the cable lead entrance.
    4 replies | 345 view(s)
  • shakesc's Avatar
    15th June 2019, 12:35
    I've used lots of the propdrives, happy with them
    4 replies | 345 view(s)
  • AdamST180's Avatar
    15th June 2019, 09:53
    Big help thanks, i did look but couldnt find it lol
    110 replies | 16845 view(s)
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