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rc brushless motor

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rc brushless motor Customers Reviews

  • Seems pretty good

    posted by Techish

    O.K: it works! I got this to use as a brushless controller for a diy project: i wanted OVERKILL (probably 25A was going to do the job) and as this was cheap, and possibly close to 50A I got it. The BEC being separate to the main board was also appealing as I might be able to remove it and use it for something else.
    I am using this with the cheapy red 3Kv outrunner (http://www.dealextreme.com/details.dx/sku.12828)
    Nice. I am using this with a servo tester to drive it, and it holds it`s settings after setting the throttle range at first. So far so good, but I am sorry I have no data as far as amps go: maybe 10amps max so far and it is stone cold.
    seems to be good for what I got it for.
  • Nice

    posted by Oznog

    Two 35v 470uF electrolytic input caps
    5v reg TA7805F, max Vin 35v
    Atmel ATMEGA 8L
    LT1262, a 5v-to-12v charge pump, presumably to make 12v for gate drive
    Three IR2101S gate drivers. Uses floating high sides, the high side can go up to 600v.
    12x output transistors, 2x per half-bridge:
    In mine, 11x are FDD6688 (30v Vds, 84A, 5mOhmn @
    10V Vgs) and oddly enough ONE FDD8896 (30v Vds, 94A, 5.7milliohm Rds-on @ 10v)
    Cheap controllers often don't use gate driver chips. So this is pretty decent.
    The 5V reg is not well heatsinked. If operated with a high input voltage, if you draw a lot of current out of the BEC you can easily overheat the 5v reg. True in most of these.
    Absolute max voltage is 30V here, limiting factor is the transistor Vds-max.
    It sounds like it CAN go up to 6lipo (4.2v*6=25.2v). Just barely, but it can. Should be able to work on a 24V sealed-lead-acid battery too, but that could be 28.8V while charging, very risky. If the ESC isn't turned on until it's taken off the charger and left to rest a minute, it'll be FINE.
    Oddly enough, when both sides of the H-bridge are off, the transistor voltage breakdown rating is up to 60v, in which case the 35v rating of the caps and voltage reg are the limiting factors.
    I've never actually turned it on. This is an Aspie Tech Review.
  • Very good value!

    posted by Nedwos

    >> Very good price>> Works well>> Good programming options
    If it smokes for the first few uses, just place it behind the air outlet, which cools it enough to stop it from smoking. I think it's an issue with the plastic/rubber shield and not it overheating or anything. Because once that bit 'burns' away, it stops smoking
    Good buy, glad I did!
  • Good choice for HBK2 (HoneBee King 2)

    posted by helibuster

    Good choice for HBK2 (HoneBee King 2) for basic flying.
    works very well on the HBK2 (HoneBee King 2) with a 10-T pinion
    Very quite and well balanced with no vibration.
    That D2627-4200 is smaller and lighter than the D2632-3000, but surprisingly, it has more speed and power.
    The D2632-3000 was barely working on HBK2 with playing around with the pitch curve settings. However, when the battery becomes a bit low, the machine refuse to yaw to the right.
    With that D2627-4200, it flies nicely through the battery pack cycle with both pitch parameters knobs simply set right at the middle.
    Very good performance for such low cost.
    Good job DX.

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