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mystery motor

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mystery motor Customers Reviews

  • 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.
  • 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.
  • 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.
  • Honey Bee King 2 Replacement/Upgrade

    posted by Pepster

    I bought this to replace the original brushed motor which lost power after about 30 flights. It is lower in power than the Esky brushless motor for the HBK2. 3000kv vs 3200kv, but it is still more powerful than the brushed motor and much cheaper. It is also much more efficient yielding about 50% longer flight times. The motor does not got as hot either.
    This is an excellent replacement motor for a novice to intermediate pilot. I used the Mystery 30A brushless controller also sold here.
    You can't go wrong.
  • 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.

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