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mystery brushless Customers Reviews

  • Nice

    posted by Oznog

    Contains:
    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.
  • Cheap

    posted by cmazy

    Cheap and small ESC works like it's supposed to. Detected up to 4 cell Li-Po even it says 2-3 Li-Po. BEC (Battery Eliminator circuit) outputs handy 5v for receiver and servos.
    30A variation of same ESC is only +2$ more. It would be probably better and more robust but this seems be all right too..for extra robustness and price when it's a available.
    Seems be all good ESC. Nothing bad to say except be prepared for wrong manuals.
  • Lots of power and good build quality!

    posted by Flea50

    There is no noise from the motor and has no vibrations, so is well balanced. A lot more power than I thought it would have :D But that's great! I used a 30A ESC and it works fine. I use the motor as a 3 lb hover-craft thrust motor, it is fast! And almost flipped the hover craft when I went too fast!!! I'm using a 3600mAh battery with 90A continuous output 11.1V so the battery lasts for over 30 mins!!! ANYWAY great motor and would definitely recommend!! Planning to buy 4 more for a quadrocopter.
    The attachment to attach the props on is great quality and is a nice snug fit for my prop.
    Would definitely recommend and is a great product.
  • Good motor

    posted by eelcogg

    Spins nice and true, no noticeable vibrations even under load. Currently swinging a 10x4.7 prop on a 2S lipo. Lots of low end torque and quiet.Comes with mount, collet type prop adapter and screws.
    Worth the money. I hope it will hold up. I hope the quality is good enough to survive a few crashes :)
    Good motor, good value
  • Babak

    posted by Babak

    This looks like a high quality ESC with a good sized heat sink. The inbuild BEC is very good. I have run this ESC at 50 amps and it holds up extreemly well. At 60 amps it will need sufficient cooling otherwise it is getting too hot for my liking. Of all the 'Cheepo" ESC this is by far the best I have seen. A real bargain for the quality provided!
    I hate that I have to write 1000 characters when everything that needed to be said has been said.
    I will buy more of these!

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