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    Last night I had a compact SynSR outrunner nightmare...(compact outrunner motor)

    This is what I saw in my dream, compact parametric SynSR outrunner for ebikes: Straight stator version (0 deg skew): 203mm brake disc for size comparison: Winding scheme by http://www.bavaria-direct.co.za/scheme/common/ : Skewed stator version (10deg): Technical data...
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    Sanyo NCR20700B 4250mAh cell is here!

    Sanyo NCR20700B 4250mAh cell pdf is here: http://akkuplus.de/mediafiles/Datenblatt/Panasonic/Panasonic_NCR20700B.pdf Current price in EU is 14€/piece, but it is expected to drop soon. Specifications Rated capacity 4000mAh. Minimum capacity 4050mAh. Typical capacity 4250mAh. Charging voltage...
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    The ultimate 18650 cells list

    Taken from the https://www.e-cigarette-forum.com/ , the complete link is at the bottom of the picture: https://www.e-cigarette-forum.com/forum/blog-entry/18650-safety-grades-picking-a-safe-battery-to-vape-with.7447/
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    New affordable miniature controller SVP-6, max 72V.

    The company that developed S06S released new improved miniature controller called SVP-6. They come in 2 flavours/sizes, housing 09S is 80.5mm and the other one is 94.5mm: More information here: http://www.szktdz.com/en/news_show.php?article_id=353 I can't found anything this controller on...
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    Sensitron SMCV6M060-025-1A, 120V, Sensorless FOC controller

    Any info about where to buy this controller and how much it costs? Dimensions: 92mm x 44mm x 27mm (3/4 the volume of the S06S controller :shock: ) Sensitron SMCV6M060-025-1A Maximum recommended battery voltage 120V. Maximum peak/spike voltage 250V Recommended motor current 50A Shutdown...
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    Switching voltage regulator alternatives to Recom R-78HB?

    Recom R-78HB12-0.5 is 3-pin package switched regulator that can be used inside the tight controller space. Unfortunatly, V_in=72V max (75V ripple), and I have 75,6V+ripple. Is there any higher voltage 3-pin switching regulator in small package out there? Interesting V_out values are 5V, 12V and...
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    Project Triebflügel! Fifth movie uploaded.

    tc1yCT7UWeE iOmG5BbBXqY This is the complete ebike with batteries inside the frame tubes, rear hub motor, controller and everything else needed. You have to look really hard to distinguish it from the normal bicycle! The controller is placed above the rear shock absorber with tollerance of less...
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    Low KV Q128H at ridiculously high voltage? Which one (Alps)?

    Mac 12T is too heavy for my new full suspension project, so I have some thoughts about Q128H. I'm building my battery myself so I'm not limited up to about 100V, but not lower than 67V. To make this task more interesting, I've limited myself to max 17A to play with, preferably less. Speed is...
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    Full suspension carbon fiber frames under 700USD/500€?

    Im looking for a full suspension carbon fiber frame suitable for "in-tube" 18650 battery placement (straight tubes). This one is 489USD, but the shipping is expensive...
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    Project Interceptor, oil cooled Q100H@55V, in-frame battery

    *According to wikipedia, "Interceptor aircraft (or simply "interceptor"), a type of fighter aircraft designed specifically to intercept and destroy enemy aircraft." This picture shows the complete e-bike with controller, batteries and everything. Technical data: U_charged=54.6V (4.2 V/cell)...
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