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Thread: Post battle analysis and repair

  1. #31
    Hi Adam
    Thank you for the information on the cytron, I will take a look at the ESC at the weekend, I think when the fan
    dropped into the housing and at least one wire came off, it must have been touching the circuit board and caused
    weird effects towards the end of the fight, to be honest I didn't try turning off my controller-this may or may not
    caused the robot to fail safe but I had limited control as it was.

    Good luck with your Robot Adam, I won't be there on the 26th, I don't think I could do another weekend wearing
    a mask in boiling temperatures and fixing burnt out motors quite so soon after.
    Can't wait to see Alex's video-there were some classic battles.

  2. #32
    Cheap Fans !-I had call to change a drill motor cog today which I havent done before and only observed
    others having a go.
    I'm sure there is a special tool for doing this but I muddled through with somes wedge shaped snips to ease
    the cog up until it got quite stiff and then I heard a crunch!.
    Eventually I got the cog off with the aid of two washers and two screwdriver levers but needed to ivestigate the crunch
    so a total strip down was required.+-
    It turns ot the motor fan on these motors are glued onto the stator magnets and are quite easily dislodged-like
    probably in battle and are pitiful in design terms, anyway nowt to do but glue it back in place after cog was fitted
    and see how long it lasts-I have had a few burnt out motors in competition and I'm just wondering how many
    were due to the fan coming loose and clogging up the motor and making it work too hard.
    DSCN0372.jpgOh there's a glimpse of my next Robot in the picture-very early stages.
    Talking of fans and motors-I'm finding it hard to get hold of like for like ESC cooling fans for my Cytron 60
    so if anyone has a complete esc for spares I would be interested.

  3. #33
    I have not ha a fan break off during battle, and even when Wanna Chopper made its high powered leap into the rafters, so i believe they could sustain alot of knocks. What did fail in that launch - wish i had a G force meter fitted, was the brass lever that hols the carbon brush onto the stator? had snapped. so fan i think is fine.
    I may put a call out asking for broken gearboxes from drills as im working on some things atm that could use these.

  4. #34
    Meet the latest edition to Team Death's Robot Family-..Arfur Bald Tyre,a Robot incorperating
    Half of a Bald tyre with a two prong attack weapon for impalling and lifting the enemy.
    Picture-Project Fear makes friends with Arfur
    DSCN0386.jpgDSCN0385.jpg

  5. #35
    Ocracoke's Avatar
    Team Kaizen

    Looks good, well done. Guessing a pair of drills for the drive and and linear actuator for the jaw?
    Team Kaizen - Build Diary for all the robots

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

  6. #36
    Looks a great addition to the growing Team Death squadron of bots!

  7. #37
    Thankyou Lucy and Adam, the lifter is hand winch converted to drill powered-it's the same design
    I use in project fear to power the hammer.
    I'm a big believer in making robots with interchangeable parts so with a slackening of a exhaust clamp
    the drive motors would fit 90% of my other bots which is good if you are running 3 or more Robots at
    an event.

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