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Thread: Ensign Wedgeley Crusher (FW Sportsman)

  1. #11
    McMullet's Avatar
    Roboteer

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    Name
    Sam
    Robots
    Ensign Wedgeley Crusher (FW)
    Location
    Nottingham
    Posts
    29
    Quote Originally Posted by Al_ View Post
    This has been a thoroughly entertaining read, thanks for going to the effort of typing all this up! EWC both looked and performed great, especially for a first bot at your first event.

    If you want motor mounts, have a search for Roboteer Nat on here, he sells mounts for the Argos drill motors. (I don't think Shakey sells them anymore but please feel free to correct me if I'm wrong?) As you use HDPE for the bot, a lot of people make their own HDPE wheels of whatever size/thickness they need and use various different means of putting tread on them, again, lots of into on here for that. Weight budget is also good, 3.2kg is very light for a feather, are we sure those scales were reading correctly!?

    Anyway, looking forward to see how this progresses, and see you again at Robodojo!
    Thanks Al! I wanted to get it all down while it was fresh in my mind to be honest.

    I definitely need a better mounting system. On the other hand I also quite my current method of having the motors seated into the structure/chassis of the bot rather than in dedicated mounts, so I might try an alternative way of clamping them in place. On the other other hand, it's not like the current mass-efficient system is strictly necessary...

    Speaking of which, I weighed EWC on our kitchen scales and it clocked in at 5.4 kg, so not as ludicrously underweight as we thought. Next time I'll ask to see the cal cert!

    With a proper weapon actuator and some metal reinforcements/armour we might not be far off the limit...

    See you, if not in March, definitely in May!

    Quote Originally Posted by Ocracoke View Post
    Nice write up. I suspect Eoin may have already suggested this but you may want to look at your TX to see if it can do exponential stuff with how much power your motors get in relation to where your controls are. I had to do this on Kaizen/Jibril to get the axe to fire at a good rate without much input from me. It might make EWC that little bit more controllable.

    Yes, definitely consider adding more weight to it, perhaps over the front for balance?
    Cheers

    I think that is approximately what he suggested, but given my low-to-middling understanding of RC systems my brain probably didn't store the complicated bits, all I remember is something about mixing and transmitters and better at steering, so thanks for the reminder!

    I had originally planned to make the front prong and grabber arm from steel, so that should add a kilo or thereabouts straight away, all be in front of the current CoG.

  2. #12
    Ocracoke's Avatar
    Team Kaizen

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    Name
    Lucy
    Robots
    AW: Amai, Ikari, Osu, Ramu / BW: Azriel, Shu! / FW: The Honey Badger / MW: Jibril
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    Somewhere on the Wirral
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    815
    It's all part of the learning experience! You'll eventually find where it is good on the transmitter for low speed manoeuvres, just requires practice (and looking at the transmitter as advised already). I found that The Honey Badger used to be very twitchy for ages until I got used to how to drive it through all its... um... "characterfulness". It was quite fast.
    Team Kaizen - Build Diary for all the robots

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

  3. #13
    Shooty's Avatar
    Roboteer

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    Name
    Eoin
    Robots
    Barróg (FW), Barróg Doom (FW) -In Progress-, Léim (BW)
    Location
    Galway, Ireland
    Posts
    107
    I was very impressed seeing this machine at Robodojo, and I'm delighted to see such a detailed build log and event report, especially from another new team. I look forward to see what you do with the design moving forward, and it was lovely to meet you all at the event, there's definitely potential from your team!

  4. #14
    McMullet's Avatar
    Roboteer

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    Sam
    Robots
    Ensign Wedgeley Crusher (FW)
    Location
    Nottingham
    Posts
    29
    Thanks Eoin! Was great to meet you and your Dad too.

    I've got lots of ideas for modifications to the current robot and/or completely new designs... it'll be interesting to see what actually happens without a looming deadline though.

    Quote Originally Posted by Ocracoke View Post
    It's all part of the learning experience! You'll eventually find where it is good on the transmitter for low speed manoeuvres, just requires practice (and looking at the transmitter as advised already). I found that The Honey Badger used to be very twitchy for ages until I got used to how to drive it through all its... um... "characterfulness". It was quite fast.
    Yeah, just getting used to it was a big part I think. Just watching the other two trying before me made a huge difference.

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