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Thread: Team Kaizen Build Diary

  1. #111
    Ocracoke's Avatar
    Team Kaizen

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    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    Here is the video of the fights, apologies for the ever so slightly shoddy camera work. :P

    Team Kaizen - Build Diary for all the robots

    AW: Amai, Ikari, Osu, Ramu
    BW: Shu!, The Honey Badger
    FW: Azriel
    MW: Jibril, Kaizen

  2. #112
    Ocracoke's Avatar
    Team Kaizen

    Status
    Offline
    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    Jibril
    The two stage gearbox is almost finished. Everything is roughly lined up so the next thing to do is secure everything own in the box, mount it and then get it affixed to the top and bottom panels. It should result in a stronger build overall and, more importantly, a faster firing Scythe with more power behind it. If I can settle down to get it measured and fitted, I can have it ready by the middle of next week for Bolton.

    JPEG_20190626_175056.jpg
    Team Kaizen - Build Diary for all the robots

    AW: Amai, Ikari, Osu, Ramu
    BW: Shu!, The Honey Badger
    FW: Azriel
    MW: Jibril, Kaizen

  3. #113
    I'm looking forward to seeing what speed the scythe operates at with that 15.7 ratio.
    Those cim motors are not renowned for their speed but you could always over volt them
    for a bit more speed and grunt if the scythe is too slow.
    It's a pity we didn't get to do battle at Grantham last week but Mean Machine was very
    unwell after its last fight but I'm sure they will do battle sometime.

  4. #114
    Ocracoke's Avatar
    Team Kaizen

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    Offline
    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    Yeah, it was a shame we didn't fight but indeed, The Mean Machine didn't look very well at Grantham. The Scythe is driven by a Ampflow motor, the CIM motors are part of the drive system but in any case, yes, hopefully the new gearbox should solve the firing speed issue.
    Team Kaizen - Build Diary for all the robots

    AW: Amai, Ikari, Osu, Ramu
    BW: Shu!, The Honey Badger
    FW: Azriel
    MW: Jibril, Kaizen

  5. #115
    Ocracoke's Avatar
    Team Kaizen

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    Offline
    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    Jibril
    This robot is making me work for this, it has been a hard slog to get this far.

    So the gearbox was located in the robot OK but then I found the pinion gear to the output gear was sat too low so the output gear to the axe would not reach. That meant I had to rebuild the gearbox to allow it to sit higher so that it would mesh but the n the cuts I made in the polycarbonate panel needed to be extended to accommodate the new height (never build a 100mm high Middleweight again...).

    So after 3 snapped jigsaw blades, an injury to the finger and a series of increasingly choice words, the panel is now cut and everything is roughly lined up to be drilled and bolted down. I need some new bolts for the Scythe head but it is finally coming together.

    JPEG_20190629_163556.jpg

  6. #116
    McMullet's Avatar
    Roboteer

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    Sam
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    Thanks for the event video and write up, sounds like fun times despite some minor operational hiccups!

    The new axe mechanism is looking great. Those chunky gears look like they mean business. Are the plates holding the intermediate shaft/gears also going to connect the top and bottom covers together?

  7. #117
    Ocracoke's Avatar
    Team Kaizen

    Status
    Offline
    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    Yeah, Grantham was fun. Azriel quickly became a favourite of mine during that event. Needs a more effective axe though.

    Yes, they do attach top and bottom. The downside of attaching it top and bottom is that if the front panel has to come off, it is a bit more of a faff than it was previously but if I want a strong robot, it is the price. It's fine. :P

    Jibril
    So the Scythe motor is bolted down, the gearbox is bolted down and after a bit of a kerfluffle with gears compressing and seizing up solid, the mechanism is finally in. I've not had a chance to try the big Scythe head but the arm now swings violently. So violently, it managed to break itself on its first full power swing. It went so low, it managed to put the axe shaft underneath the first stage shaft and jam, pulling a bolt out of a bearing in the process.

    I've managed to fix it so on Wednesday, I'll be refitting the Sycthe head and doing some tests, including the dreaded self-righting test with the 15.75:1 gearbox. Certainly feels like it'll do it.
    Last edited by Ocracoke; 1st July 2019 at 19:54.
    Team Kaizen - Build Diary for all the robots

    AW: Amai, Ikari, Osu, Ramu
    BW: Shu!, The Honey Badger
    FW: Azriel
    MW: Jibril, Kaizen

  8. #118
    Ocracoke's Avatar
    Team Kaizen

    Status
    Offline
    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    Jibril
    Well... it works. :P I say "works", the second stage pinion is slipping quite badly but I think I can fix that the show. I'll be there early to get it sorted and tested in the arena.

    Took it to a quiet place and tested it on a sheet of 10mm HDPE. Even at this stage with it not quite tuned in, the Scythe can puncture the sheet so when the pinion gear is lockthreaded and bolted in place... it is going to do something.

    Team Kaizen - Build Diary for all the robots

    AW: Amai, Ikari, Osu, Ramu
    BW: Shu!, The Honey Badger
    FW: Azriel
    MW: Jibril, Kaizen

  9. #119
    Ocracoke's Avatar
    Team Kaizen

    Status
    Offline
    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Shu!, The Honey Badger / FW: Azriel / MW: Jibril, Kaizen
    Location
    Somewhere on the Wirral
    Posts
    957
    EXR Bolton 2019 - Jibril and Azriel

    The pair went to Extreme Robots Bolton. I must confess, I was a little nervous about going to the new venue but it turned out to be pretty much like Manchester, nice 'n' roomy in the pits. For me, the event was a mixed bag, rather embarrassing in places.

    Saturday
    I skipped the first FW melee with Azriel as I was helping put together a new entrant called Masbot (I think) with getting wheels on motors and such. Sadly, their speed controller wasn't up to scratch and the robot felt overweight for a Feather. However, I loaned out Azriel for the 2nd Featherweight Melee of the day to them and they did quite well though they weren't quite used to the controls. Took a nibble from Drumblebot bit nothing serious.

    I also had to miss the first Middleweight melee with Jibril. It was loaded up, link went in, went forwards a bit and then shut down unexpectedly, right when the robot was being announced into the arena so it had to be pulled out at the last second. Turned out it was the soldering to the removable link shorting everything out.

    Got it going again for the second MW melee, in a team with You Little Ripper and Audacious vs Voodoo 2, Backflip and Smash. I don't quite remember how this fight went but at one stage, the Scythe did fire and hit Backflip but was then flipped and rammed into by Smash I seem to recall. This promptly destroyed the bearings for the axe, split the front panel and ruined the Scythe ESC. It needed a rewire (and some exceptionally choice words) to make it go again.

    Many thanks to Tom from Backflip for the replacement bearings.

    Sunday
    Still, both robots were ready for Sunday. EXR has started running warm up fights for the audience with the Feathers so I put Azriel in for this first one. Made the mistake of tangling with BarrĂ³g and got upturned. With the axe not capable of self righting the machine, it was out for the count. Azriel then went into the FW melee during the first show of Sunday and promptly "got shreked" and upturned again. This took off the 6mm polycarb wedge on the front but since it isn't a structual piece of the machine, I think I got off lightly compared to some of the others. I distinctly remember the axe head hitting the disc of Get Shrekt just before the hit, so my aim with the weapon must be getting better, right? :P

    Jibril... oh boy. I got moved from Team Ripper to Team Eruption as Voodoo 2 had dropped out and Backflip wasn't attending for the Sunday, meaning I was paired with Smash. I tested the robot in the arena before the event started. The drive was working fine, nice and responsive but the axe was still slipping. Tried to jig it back together but without much luck.

    For the first melee, Jibril managed to get itself stuck in the arena before the fight started. On the Saturday, I fitted some HDPE forks to the front of the machine with the intention of fitting Kaizen's old wedge on the front but with it on, it lifted the robot off the HDPE blocks fitted at RL Grantham and I wasn't willing to risk it so I left the forks on. This then dropped down into a gap in the arena and got stuck.

    With the Scythe not working yet again (the motor had shifted so it wouldn't mesh), the fight was doing "OK" but then a grub screw came out of the drive, meaning I could only turn and was eventually pitted I think. The replacement bearings had twisted as well. I was not a happy bunny.

    The next show, I entered Azriel again into the exhibition melee with a few others before the show started. This time, the terminal block connections came out of the axe and the drive, so no power was going to either. Easy enough job to sort but bah.

    Azriel then went into the FW melee of the show and this time, it had a really good showing. I could hear Greg mentioning it a few times throughout. Eventually, I was rammed into the corner by Luna-Tic which caused one wheel to seize up for a few moments before I spun Azriel around to get it free. After the fight, Greg came over and said that until the ramming and the subsequent temporary loss of the one drive wheel, I was going to win that fight overall becuase I was ahead on Aggression and Control, so I came 2nd in that Melee. That really brightened my day, given it is a robot made from bits and pieces I had from The Honey Badger and Kaizen and was built in 3 days or so. I should put more time into improving the capability.

    It was then Jibril's final run of the day. The Scythe was broken and the new grub screws (donated by Alex) had to be cut down a lot to clear the bolts holding the gear onto the wheel so it was running with half a grub screw. It went into the arena OK but shortly after the fight started, the screw went and it was back to one wheel driving. It lasted better than I was expecting but was then flipped out the arena, snapping another bearing in the process.

    Despite breaking in every fight, because I was part of Team Eruption with Jibril, I picked up a team winner trophy, first one ever. To be honest, it felt a bit hollow given all the issues with the robot. I've already settled on rebuilding the Middleweight to sort out these issues once and for all. I've got some potential ideas in mind but I need time off from this robot, it has been nothing but heartache with this one. I am half decided on going to RoboDojo with Azriel, it needs a bit of work doing to it mind.
    Last edited by Ocracoke; 8th July 2019 at 17:30.
    Team Kaizen - Build Diary for all the robots

    AW: Amai, Ikari, Osu, Ramu
    BW: Shu!, The Honey Badger
    FW: Azriel
    MW: Jibril, Kaizen

  10. #120
    McMullet's Avatar
    Roboteer

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    Sam
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    Sounds like a frustrating weekend for Jibril.

    Thanks for another great write up though!

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