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  1. R

    Dr_Lulz's 8kw Berg Viper

    Curious - Which size frame do you have?
  2. R

    eRuckus style

    This is an exciting build! Great aesthetics, and look at all that low frame space for battery storage. Can't wait to see this develop further, you've got my attention :shock:
  3. R

    BBSHD + Grin Phaserunner (52V okay, 72V problem)

    Happening to mine, at about 80% throttle, the rpm and current drops suddenly. Will be working on it soon and will share what I find. Did you get any resolution?
  4. R

    Grin Phase Runner / CA3 and BBSHD

    Here's an arrangement. Suggest you use heat sink grease to bridge air gap between the stator and the aluminum shell, (apply liberally on both surfaces and wipe up the extra after insertion), the heat will be mainly migrating radially outward, and you want to group your extra sinks around the...
  5. R

    Single-speed track stealth ultralight

    Consider adding a rigid backboard to the long backpack battery... it will probably save you grief and only add a little weight and volume. Another trick is to wrap each cell in Scotch Shipping Strapping tape before gluing. Once you try it with a high temperature glue gun you'll see the...
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    Ebike Hub Motor overheating cooling solution - HUBSINK OFFICIAL THREAD

    I put these on about 9 months ago. They were fun to install and very well crafted - and with Statorade / Ferrofluid the overheat issues on my commute have disappeared. Sketch had them shipped as soon as another batch of parts came in (yes, they had sold out!). This is a 9C 30mm hub from Grin...
  7. R

    BBSHD + Grin Phaserunner (52V okay, 72V problem)

    Andrebandre, that's a CA3 setting.
  8. R

    BBS02 and Phase Runner

    I've been re-using a CA2 as a meter, pulled the throttle pin from the CA connector and isolated it, and wired the throttle directly to phase runner. No automatic smooth ramping functions available unless I upgrade to CA3 or add a Resistive-Capacitive circuit to the throttle line (no thanks-I...
  9. R

    BBS02 and Phase Runner

    Had good experience with BBSHD and phase runner. The stock controller ramps better to engage the drive train, and if you aren't careful and slam on the power the motor bounces against the drive train before settling down. This may be current tuning but I haven't overcome it yet without having...
  10. R

    Cyclist spits at me and makes a buzzing noise !

    zro-1: that path project is great except we can't move more than around 10mph safely, absolute nightmare of mixed traffic! Fun place to cruise but the adrenaline comes from avoiding injuring some poor ambulatory who cut sideways to examine the artwork arranged on the roadside. I've been...
  11. R

    New nine continend RH205 80A 72V ok?

    What I think is the RH205 may be sold from Grin as M300x, x={4,6,7 turn} rear DD with 9 speed cassette. I've run the unit with 13S and 16S, peak 35.5 Amps. It rides great on a 14 mile rolling hill commute at 13S wide open, but voltage was not high enough to keep me out of automatic regen on 40...
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