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Thread: 360 - mini hypnodisc

  1. #191
    Right got the new motor in along with the castle creations ice 160 esc and did a few spinup tests and noticed it wasnt that great, so hooked it up the built in data logging to my laptop and messed about with the motor and current settings and now it seems spot on, got to give it to the castle creations guys they've built one of hell of an esc and im really happy with it so far. Did a quick spin up test so i could see the graph, below is a quick shot of it.



    That was spinning the motor up, then down to half speed, back upto full.. then down to nothing upto full really fast so i could see were the current limiter kicked in.. and true to the programing in the esc it cuts in just were i set it to...

    But as you can see the continuous speed of the disc (you can enter your gear ratio so it works it out for you) is just under 4300 rpm... but it was still going up a little when i took the throttle off and the current needed to spinup is 256amps... not surprised really. Also it shows the voltage drop of the lipo is negligible so im happy with that's performance.

    To anyone thinking of going to brushless i would highly recommend this esc!

    Next thing i want to do is do a spin up to full speed test, run it there for 10 seconds then spin it down to see what the current and voltage evens out to.. Id also like to have a look at it after a fight to see how things are performing. At the moment its looking like i could possibly do with a slightly better lipo pack, but the one Ive got will be fine for this weeks show at gadgetshow live.

    ...i better stop messing about with data logging and put the thing together

  2. #192
    Done another spin up test and this is the graph;



    I span it up a bit slower this time so the peak current draw isn't as high and the spin up time is a lot slower.. but the graphs easier to read, i kept it at full whack for 10seconds so i could see what everything leveled out to...

    It evened out to a continuous current draw of 44amps which i'm happy with and this time the top speed reached 4663 RPM Pretty chuffed..

    Also the self-righter should be working for this weekend...

    Next thing to do is properly combat test the controller!

  3. #193
    Ed said I could use DB5 to test against 360 on the sunday. And John Lear has asked to film Beauty fighting it on one of the weekend days.

    (well, i think ed may have said it CANT fight 360, but i dont belive i heard him right )

  4. #194
    just remember if the link comes out please STOP

    but will test friday i belive little spinner is there

  5. #195
    john its a 3minuite fight... 3 minutes means 3 minuets link or no link ..

    So can me and Little spinner team up against beauty?..if your so good you'll beat us both easy

  6. #196
    No I didn't Grant!!! Not unless I'm there. It comes back to me in 1 piece this time.

  7. #197
    selfwrighters dead again both speedos are blown, blew the first board not sure why, put the spare in and that blew 3 tracks when under load but worked fine on the bench, so repaired that and it went again in the same way as the first.. not sure whats wrong with them.. think its a job for Mr gamble when he gets chance.

    I think the fault is just as much mechanical as electrical, It sounded like a problem with the selfwrighter gearbox, took it apart and found the last stage in the worms can effectively pop out and jam up, i think its that which is causing the motor to stall which blows the controller.. Its an easy fix for the gearbox, a nylon spacer or a circlip on the shaft. still anoying thought because its going to be another event were its not working again... .. its only a guess though, that might not of been the problem at all. Ill find out when i get the controllers back from Dave.

    ..on the up side the disc and the drive are working spot on

  8. #198
    got all the bits for my beetleweight now. going to start machining the motor mounts at work tomorow and cut out the basic chassis over the week when i get time, Going to make it all from ti hopefully.


  9. #199
    got your socks inside out dave

  10. #200
    finally someone said it, i didnt wana hurt his feelings

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