Power in Flux

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    LTO being lithium titanate, yes? Sent from the...

    LTO being lithium titanate, yes?

    Sent from the future via Google SkyNet
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    How's your fast charge network? Because really...

    How's your fast charge network? Because really that's the only solid advantage that titanate has going for it.

    They are expensive, less energy dense (by quite a large factor), and fairly heavy,...
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    If you were closer, instead of halfway across the...

    If you were closer, instead of halfway across the country, I'd take it. Instead, good luck with the sale!

    Sent from the future via Google SkyNet
  4. Something isn't adding up. The link claims a...

    Something isn't adding up.

    The link claims a 7500mAh capacity, at a voltage of 7.4V.

    Making the conversion, that's 7.5Ah @ 7.4V. Ah x V = Watt hours, so 7.5 x 7.4 = 55.5 Wh.

    55.5/350g= .16...
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    I love the dual-range mod! How are you going to...

    I love the dual-range mod! How are you going to affix the motor to the transmission when you're done reassembling?

    I'm assuming your original setup was a unit construction bike, engine and trans...
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    In high school, my physics teacher gave us all a...

    In high school, my physics teacher gave us all a good example of what happens when you (drastically) over-volt capacitors: he put put 105V across 20V caps. It was a blast!

    Sent from the Future via...
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    Are you going to have enough space in the tank...

    Are you going to have enough space in the tank for a decent size pack?
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    Not all of them, not yet, but can you imagine the...

    Not all of them, not yet, but can you imagine the uproar if passengers were suddenly told they'd have to mail their cell phones, laptops, tablets, music devices and other electronics to their...
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    It doesn't look like it's too close. You can get...

    It doesn't look like it's too close. You can get it powdercoated before you install it for extra safety, or use a rubberized/bedliner type coating. Should be just fine.

    Looks like it'll be a neat...
  10. I probably will end up doing that, I just wanted...

    I probably will end up doing that, I just wanted to at least toss it up in the air first, see if there was something obvious I was missing.
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    This is usually the case. An OE product is well...

    This is usually the case. An OE product is well engineered and safe, but the (cheap) aftermarket, copy, or no-name version is shortcut city and causes problems.

    Sent from the Future via Google...
  12. What's the policy on user advertisement/businesses?

    Basically, I'd like to offer a service. I have all the tools needed to build professional grade harnesses laying around, and good crimping tools are expensive for a one time project.

    I'd like to...
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    All your pictures are the same one, and upside...

    All your pictures are the same one, and upside down?

    Looks like a cool bike though.

    Sent from the Future via Google Skynet
  14. Thanks for the info. I'll try contacting them,...

    Thanks for the info. I'll try contacting them, I'm trying to make stuff easy to disassemble, scoping out connectors.

    Sent from the Future via Google Skynet
  15. Quick question: what gauge wire does the Enertrac...

    Quick question: what gauge wire does the Enertrac use for its phases?

    I'm doing harness schematic wiring to do a BOM for the bike build.

    Sent from the Future via Google Skynet
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    I may have to pick up one of those hex crimpers....

    I may have to pick up one of those hex crimpers. I have access to a Burndy cordless crimper through work, but it's "when it's available."

    That GSX link has some good wiring practices. I...
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    A wash out, to the side? No. ABS will only help...

    A wash out, to the side? No. ABS will only help keep your wheels spinning while you're on the brakes.

    If you had fallen because you grabbed a handful of front brake on sand, it could have...
  18. Nice pick-up. Maybe once my Nighthawk is done...

    Nice pick-up.

    Maybe once my Nighthawk is done I'll pick up a roller Sportster to make into an eXR1200 clone. That separate transmission would make it easy to have a bike you could shift, use an AC...
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    In your mock-ups, where are you planning to house...

    In your mock-ups, where are you planning to house the batteries? It isn't clear, looks like you have trays for a controller/charger/? up front?

    Sent from the Future via Google Skynet
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    Just remember, moar stickers == MOAR POWAH ...

    Just remember, moar stickers == MOAR POWAH

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    How does the box come apart to load/unload...

    How does the box come apart to load/unload batteries in it?

    The welding looks pretty good, and it's a compact container. I like the handle.

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    You could use a lightweight contactor for your...

    You could use a lightweight contactor for your connection. Wire an LED with the contactor feed circuit as an indicator that you're connected.

    Do your power supplies have an "enable" input or...
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    Seems unnecessary. An extra step to forget, one...

    Seems unnecessary. An extra step to forget, one more component to dissipate a little energy during use.

    You aren't going to push current "backwards" into your charger during normal use, though if...
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    By "battery controller" do you mean the motor...

    By "battery controller" do you mean the motor controller, or do you mean a BMS system?

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