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  1. Replies
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    Jibril The basic body of the robot is now...

    Jibril
    The basic body of the robot is now complete and ready for component installation. Unfortunately, real life has reared its head and I've just not been able to get as much work done on it as I...
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    With just over 5 weeks until BotFest 3, a new...

    With just over 5 weeks until BotFest 3, a new arena floor has arrived and yes, it is a 810x810mm single piece of plywood which I'll get painted and detailed at some point next week. Next thing on the...
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    It'll come with practice as to how to solder...

    It'll come with practice as to how to solder these things. ;)
  4. Yeah, I'd guess spinners were energy efficient in...

    Yeah, I'd guess spinners were energy efficient in that regard. I was more thinking about not charging all the time between fights.
  5. I would say those batteries were too small. I use...

    I would say those batteries were too small. I use one in The Honey Badger 4.0, which a Beetleweight. I would think in a Featherweight, the draw on both would probably kill them within the three...
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    I have to make do with a 25W! It works but I...

    I have to make do with a 25W! It works but I would prefer something like a 60-80W.
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    Jibril I've started putting in the threaded...

    Jibril
    I've started putting in the threaded inserts into the bulkheads. 20x M10 threaded inserts, it is a bit of a slog but at least progress is finally underway. At the rate of progress, I am...
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    So long as the iron works, it should be fine....

    So long as the iron works, it should be fine. What is the wattage?

    TBH, I don't solder connectors these days without a third hand, makes things that much easier to do. The presoldered one you...
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    I've seen and done worse. So long as the solder...

    I've seen and done worse. So long as the solder isn't touching each other and is solid on the connector, I'd isolate the wires, wrap it up with electrical tape and call it there. :P

    When you say...
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    Jibril So this robot... oh this robot. As I...

    Jibril
    So this robot... oh this robot. As I mentioned in my last post, the body parts arrived yesterday and last night, I did a mock build of the robot. This is the first robot I'll have where I did...
  11. Looks good from what I can see, the wheel hubs...

    Looks good from what I can see, the wheel hubs look a bit odd mind - Gimson themselves sell a hub for that motor though that does warp a little easily for my liking.

    BeltingOnline is a good...
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    Looks good, what is the specification of Flatfish...

    Looks good, what is the specification of Flatfish 2 and a bit?
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    Many thanks. With brushless tech, there is always...

    Many thanks. With brushless tech, there is always going to be some variation, likely down to the different builds of the motors themselves along with any differences in the ESC boards themselves.

    ...
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    Azriel So following on from the physical...

    Azriel
    So following on from the physical conversion of the motor to brushless, next we need to get the brushless ESC to run the motor in two directions as smoothly as possible. I do intend on...
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    The 775 motor pictured weighs about 400g and the...

    The 775 motor pictured weighs about 400g and the brushless motor that it replaced is about 310g according to the spec sheet, so about 180g saved so yeah, a little bit of a weight saving.
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    Azriel So I thought I would go through the...

    Azriel
    So I thought I would go through the various stages of doing a brushless conversion. As a forewarning, I am not claiming in anyway that this is the best or ideal way to do this. This is simply...
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    Ikari really is made of wood and polycarb. All of...

    Ikari really is made of wood and polycarb. All of my ants feature using it in various levels. Azriel's conversion is going to be interesting, in theory. In practice, who knows? :p It should be fine.
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    The type of fuse that can be used in the rules...

    The type of fuse that can be used in the rules isn't limited, so long as it does the job of being a fuse.

    With that type, I would get some ring crimp connectors, crimp the connectors on both...
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    Hahhaa, no worries, good to see folks chatting...

    Hahhaa, no worries, good to see folks chatting away. :P

    To give an idea of what the event looks like, here is the video from BotFest 2.


    https://www.youtube.com/watch?v=06lKJhS17dg
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    Azriel I've decided to take the plunge to refit...

    Azriel
    I've decided to take the plunge to refit Azriel with brushless drive following a successful conversion I did a few months back. I was planning to refit the axe motor with a brushless motor as...
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    Yeah, it's fine! :D

    Yeah, it's fine! :D
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    Looks gorgeous so far, love the use of a single...

    Looks gorgeous so far, love the use of a single block of aluminum, Does it weigh significantly different compared to the last drum?
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    One of the best ways to get a sense of what is...

    One of the best ways to get a sense of what is used is to come to events and see the robots up close. I guess you might have done this with the VIP tickets for Extreme Robots and/or Robots Live but...
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    Hahahahahaa, that we are Sam :D It is also...

    Hahahahahaa, that we are Sam :D

    It is also worth bearing in mind the extra rules regarding LiPo batteries under section 7.8.* in the build rules though they are fairly common sense ones like...
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    You work out the burst amperage of the battery...

    You work out the burst amperage of the battery and get a fuse below that amperage as per the rules:



    So in that particular batteries case, it is 4 amps * 120C = 480amps (240amps constant)....
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