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  1. Replies
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    257

    I keep my LiFe batteries in LiPo bags even when...

    I keep my LiFe batteries in LiPo bags even when inside the robot for added cushioning. Gotta have them if you are running LiPo batteries.
  2. I honestly don't think it'll be an issue. Whilst...

    I honestly don't think it'll be an issue. Whilst speed is nice, control is often better.
  3. 650rpm on 4" wheels is OK, that is about 7.7mph....

    650rpm on 4" wheels is OK, that is about 7.7mph. The Honey Badger 2.2 used 4.33 inch wheels with a motor/gearbox giving about 844rpm at 19.8v meaning about 11mph and if you watch some of the videos...
  4. Most ESCs are indeed Brushless but the SimonK...

    Most ESCs are indeed Brushless but the SimonK stuff doesn't make it a brushed ESC (least, not to my knowledge and experience in using the SimonK firmware). The BotBitz ESCs do start off life as a...
  5. That ESC is a brushless ESC (there are three...

    That ESC is a brushless ESC (there are three wires on the opposite side to the power wires) which won't work with a bushed motor such as a 775. You need to match the types (normally) when selecting a...
  6. Spinners are, by their very nature, dangerous....

    Spinners are, by their very nature, dangerous. They are not something I'd recommend a beginner does since the potential for danger is fairly high if not suitably experienced. As others will tell you,...
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    You have two mixes go on in the same TX? I did...

    You have two mixes go on in the same TX? I did that once in my OrangeRX system I seem to recall which led to a lot of odd stuff going on.

    In the end, I only needed Elevon mixing enabled. I would...
  8. Replies
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    162

    If you've enabled elevon mixing on the TX for...

    If you've enabled elevon mixing on the TX for forwards and backwards then it should just "work" for side to side motion. I have known instances where if the TX has mixing enabled and ESC has mixing...
  9. Hey there, welcome to the forum! What are you...

    Hey there, welcome to the forum! What are you planning to build?

    To try and answer your questions:



    For a first build, I'd recommend a 775 motor. In the Featherweight category, they have...
  10. Thread: BOB FW Series

    by Ocracoke
    Replies
    70
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    8,718

    I have this problem with the XT90-S link on my...

    I have this problem with the XT90-S link on my Middleweight. If I don't push it all the way in, it lights up but then fails to move at all. A good reminder to check it when diagnosing a problem :P
  11. Thread: Get Shrekt

    by Ocracoke
    Replies
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    2,446

    I second the use of a drill press. I just have...

    I second the use of a drill press. I just have one for holding a standard corded drill in, cost about £15 but worth every penny.
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    I must confess, I have never welded before but...

    I must confess, I have never welded before but yes, it would be useful.

    I've ordered the 2 new drive motors to make a set of 4 but they are significantly bigger than the original 775s so the...
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    17,261

    Well it came back in one piece but a very unwell...

    Well it came back in one piece but a very unwell robot.

    First fight was between Kaizen, Backflip and Gaston and it did OK but ended up getting beached on Backflip's front flipper and we both ended...
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    3,511

    Great to see you as well, glad I was able to help...

    Great to see you as well, glad I was able to help out with your robot during the Euro championship! Hopefully we'll have another match soon with a rebuilt Shu!.
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    1,645

    To answer your questions directly: 1. Ish. My...

    To answer your questions directly:

    1. Ish. My axe motor does this on my middleweight I think but not by very much. I would prefer the pinion gear to be wholly on the axe motor itself since I don't...
  16. Replies
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    And here is the end result that is going to...

    And here is the end result that is going to Cheltenham. Here's hoping it will come back in one piece. :P


    https://youtu.be/x-DouuOOSLY
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    17,261

    The receiver was the issue - replaced that and...

    The receiver was the issue - replaced that and now it all works, barring a slight mishap with the transmitter having mixing enabled at the same time as the ESC but it is back together. The axe has...
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    1,645

    I can see where you are coming from. Because of...

    I can see where you are coming from. Because of the lower weight classes and the smaller overall size, I sometimes get the impression that folks don't take account how dangerous these things can...
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    The robot is back together but a slight wiring...

    The robot is back together but a slight wiring mishap means 3 of the wheels are turning the right way, 1 isn't. Also, the mystery fault with the axe persists. It has to be a receiver fault, works...
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    Hey there, welcome to the forum! Specs look OK...

    Hey there, welcome to the forum!

    Specs look OK to me, perhaps a bit of a query on the drive motors as to wherever they'll have enough oomph to move this but otherwise looks fine. I will have to...
  21. Replies
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    17,261

    So new motors have gone in and wired up. I've...

    So new motors have gone in and wired up. I've decided to stick with the brushed motors for the moment and will experiment with the brushless motors in a different robot (very likely The Honey...
  22. Replies
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    Yeah, I've seen PC PSUs being repurposed for...

    Yeah, I've seen PC PSUs being repurposed for this. All I'd say is make sure the terminals are covered and there isn't anything obvious that will cause a short if knocked into (pit space can be tight...
  23. Replies
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    For my Middleweight, I wire two LEDs in series...

    For my Middleweight, I wire two LEDs in series directly into the main power wiring, each with with a 24v resistor in them so that each only uses 13.2v (from my 8S LiFe setup).



    I put mine on...
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    Never used them, so can't say. However, the blue...

    Never used them, so can't say. However, the blue Flightmax batteries I have good experiences with. Only had battery failure after genuinely flattening the LifePO4 batteries I use by over-exerting...
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    This is a thing I keep on running into time and...

    This is a thing I keep on running into time and time again. The Honey Badger 2.2, Shu! and Kaizen used separate batteries to drive their weapons. However, it does mean more weight and more wiring to...
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