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    Power stage for Brushless controller

    hey guys, so i had this idea in my head for some time now, and decided to make a 3D mock-up this is a single phase, so three of these will form the power stage for a controller caps: 2x 4,7uF poly caps (max ripple current 9A rms, 5,3mR ESR) 2x 330uF el. caps (kze type) 2x 1812 ceramic cap...
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    Controller power stage PCB [input wanted]

    hi, i have been designing a Powerstage PCB for my controller build using the controller chip from Lebowski. This is what i have so far: and the schematics (its a little messy, i still need to clean it up) as you can see i have been studying this thread 8) ...
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    NEW! Castle Creations CapPack

    just came across this new item from Castle Creations! the CapPack http://www.castlecreations.com/products/cc-cap-pack.html this seems like a very elegant way to add capacitors to you controller.
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    spring clip instead of screw for mounting fets

    i was browsing on farnell, and came across these clips: http://www.farnell.com/datasheets/67092.pdf searching a little bit more i found these: http://nl.mouser.com/ProductDetail/Aavid-Thermalloy/MAX08G/?qs=IQR8xM2KsGgn8sWnGiROuQ%3d%3d pro; will not lose pressure easier to attach con; if a...
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    golden motor 12inch hub motor.

    i was discussing this motor with John in CR via pm, but i thought i would share these picures with everyone, because i have not seen any photos of this hub on the forum. some data: Stator diameter: 104.75mm stator thickness: 41.5mm lamination thickness: 0.5mm slot count: 27 Magnet count: 30...
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    Mounting hall sensors to Colossus 7kW motors

    hi i had an idea for mounting hall sensors to the colossus 7 kW motor i do not like the method of mounting them in the slots of the stator, so i came up with this idea. the new mounting flange will be mounted on the stator instead of the normal mounting flange i need you guys opinion what is...
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    capacitor problem (i think)

    i have a turnigy sentilon hv 100A controller, and it would not turn on when i plugged the batteries in. no smoke or other problems, it just does not work. i noticed some white stuff where the capacitors are soldered to the pcb. my question is, is this from leaking capacitors? and will the...
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    turnigy sentilon 100a hv controller problem

    hi, for my e-scooter project i have a sentilon 100a hv controller yesterday i tested the controller with the wheel of the ground and everything worked great (with 10s lipo) then i tried to connect the controller to the battery with an 220ohm 2w "anti-spark" resistor and got nothing i tried it...
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    lipo serie/paralel question

    i am in the proces of building a lipo battery pack for my electric scooter i have 4 5s 5000mah pack i would like to configure as a 10s2p pack my idea was to make 2 5s2p pack and then put these packs in serie Q1. is it better to put the cells in series, or paralel first? so 2x 10s1p in...
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    need some help with turnigy SK6374-170

    hey. i need some help.. i bought an Turnigy SK6374-170 i took it appart, because i want to make a flat spot on the shaft where the setscrews are (end of the motor) but it looks like it is glued in place. how can i get the shaft out of the motor? also if you look at the pics you notice there...
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