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Type: Posts; User: overkill

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  1. Replies
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    And if mods were not allowed, then Nuts would...

    And if mods were not allowed, then Nuts would have been disqualified for having a meltybrain firmware upgrade :p. I'm with Mario & the others, its all allowed as long as the weight limit is not...
  2. That's a LOT of vias! What sort of issues have...

    That's a LOT of vias! What sort of issues have you run in to?
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    You are looking at the wrong thread; check the...

    You are looking at the wrong thread; check the next line down for the 3/8-24 drill size. That chart says a Q sized drill which is right between 21/64" and 8.5mm :)
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    Sorry, a 5/16" hole is too small. The tap will...

    Sorry, a 5/16" hole is too small. The tap will be cutting more than 100% of the thread depth, which is an excellent way to snap it. You are looking at the hole size for a UNC 3/8-16 thread.
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    The bore is already 3/8" - the tap will slide...

    The bore is already 3/8" - the tap will slide right through. The centre of those hubs is actually a plastic bushing so the bore diameter in the aluminium is more like 0.5". A 3/8-24 tap needs an...
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    The hubs have a smooth bore are designed to run...

    The hubs have a smooth bore are designed to run on a 3/8" axle, not a drill motor. You need a hub with a thread in it - I'd get a local bot builder with a lathe to make you a set.
  7. 1) Hot-melt glue - its ugly AF but works. Most...

    1) Hot-melt glue - its ugly AF but works. Most builders use 3 wire RC cables with a single connector at each end.

    2) You can usually just solder up a Y cable but a more elegant solution is to...
  8. Unless the batteries are different voltages,...

    Unless the batteries are different voltages, there is not much point in having separate lipo packs; they are not likely to become faulty and if they do, it probably means a lipo fire that will stop...
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    You can get extra long shafts for the Banebots...

    You can get extra long shafts for the Banebots P60 gearbox; making your own shafts is a precision job that needs both a lathe and a mill.
  10. Thread: LW spinner

    by overkill
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    There have been some successful bar spinners...

    There have been some successful bar spinners using the A28-400 and it has heaps of low-speed torque, so I don't see why not.
  11. Thread: LW spinner

    by overkill
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    The A28-400 motor is (or was) a very popular...

    The A28-400 motor is (or was) a very popular motor for lightweights. They run very hot, so the new fan-cooled version is a good option and you definitely need to get a spare set of brushes as they...
  12. Thread: Keyed shaft

    by overkill
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    Another source:...

    Another source:...
  13. Nothing wrong with having as many fuses as you...

    Nothing wrong with having as many fuses as you want. The fuse is only in the rules to protect the Lipo from the rest of the bot and prevent fires not to protect the electronics.
  14. This part of your post is confusing me; 'split...

    This part of your post is confusing me; 'split the circuit after the removable link before a pair of fuses'

    Does that just mean you want a separate fuse before each drive motor ESC? Not many...
  15. That is absolutely fine, they don't even really...

    That is absolutely fine, they don't even really have to be charged exactly the same. Its when you connect Lipos in parallel that you have to be careful.
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    Great event report Andy, that weapon hub took a...

    Great event report Andy, that weapon hub took a real beating! You might consider 2024 rather than 7075 for the hub; its not quite a strong but it is also much less brittle and less likely to crack....
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    Home at last! Another great event by Grant and...

    Home at last! Another great event by Grant and James, special thanks to everyone who lent me tool esp. Dennis, Ellis and Alex.
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    It can be a LONG walk to and from the car park to...

    It can be a LONG walk to and from the car park to hall 20! If you are lucky, car parks N2 and N3 will be open (they weren't for the last year's GSL event). Even then its not a particularly trolley...
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    And the electric motor happily runs upside down.

    And the electric motor happily runs upside down.
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    What does the gell-wrapped UMHW achieve...

    What does the gell-wrapped UMHW achieve structurally? If you want more strength and rigidity, just increase the tube diameter and it will probably be lighter than the plastic core.
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    Go to the Roboteq site and download the manual....

    Go to the Roboteq site and download the manual. From my experience with a single channel Roboteq, it will run straight out of the box but a little customising will make it better. If you go that way,...
  22. That sure is a lot of vias!

    That sure is a lot of vias!
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    Thanks James, good to know that.

    Thanks James, good to know that. <rushes out for a reel of Kevlar>
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    The wait is over - Mr mangle is confirmed and I...

    The wait is over - Mr mangle is confirmed and I imagine there are 50 other very happy builders!
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    It depends on whether that 94.5A is the...

    It depends on whether that 94.5A is the continuous or the peak rating. Most packs state both and the peak is usually between 1.5 and two times the continuous rate (if the peak rating is not much more...
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