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  1. T

    First Enduro Build For My Boys (14 & 12)

    Build has been brilliant! Took a little bit to get the Sabvoton dialed in, as well as the brakes. Had a bad rear brake that we bled a few times and still was mushy. They replaced it. And once we swapped out the brake pads it was way better. The headset bearing has some play to it so thats on our...
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    First Enduro Build For My Boys (14 & 12)

    thanks @MDG ! Yup, it's been awesome. All their friends want them to build ones for them now.
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    First Enduro Build For My Boys (14 & 12)

    Thanks @Eastwood! Boys love the bike. All their buddies want them to build one for them now. Yea I was able to get the sabvoton mostly sorted.
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    Sabvoton 7280 Programming Tips

    So I think I sorta understand these assist modes better now. - If I set my controller DC current to 30a, and boost to 60a, there is a considerable drop-off in torque when I switch from level 3 to levels 4 and 5. - If I set my controller DC current to 60a and boost to 60a, there is still a...
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    Sabvoton 7280 Programming Tips

    Thanks @E-HP. I set it down to 30/60. Weirdly enough the 5 assist modes are now screwy. In mode 3 it's almost as fast as before, but when I set to 4 or 5 it the speed immediately reduces. Baffled. Somebody told me I should only set to 3 assist modes anyway, so I will try that.
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    Sabvoton 7280 Programming Tips

    thanks for the quick reply. yea sorry for the typo. I put V instead of A for those... just corrected in the OP! ok so I will turn the DC current and peak down to 30A and 60A. We these default settings at 80A, would that actually provide more power, or was it just draining the battery and...
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    Sabvoton 7280 Programming Tips

    Hey all - been posting the progress on my first enduro build with my boys over here First Enduro Build For My Boys (14 & 12) Long story short, build came out awesome. Boys thrilled. Now just trying to understand how to program and tune the 7280. Documentation is crap. I bought from NBPower and...
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    First Enduro Build For My Boys (14 & 12)

    and thats a wrap. bike complete! very happy boys. now I need to figure out how to tune the sabvoton SVMC7280 controller. I had a cut outs already. and more importantly, the speed limiter on the UKC1 display doesnt work. I need to figure out how to add a speed limit on the controller. I know...
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    First Enduro Build For My Boys (14 & 12)

    thanks for the tip on the tracker. got one coming in tmrw!
  10. T

    QS205 3000w vs QS205 5000w

    The info NBP told me was the Qs205 v2 was rated as a 3kw and the Qs205 v3 was rated as 5kw. Dont know the technical difference of the two.
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    First Enduro Build For My Boys (14 & 12)

    the past couple weeks build.
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    First Enduro Build For My Boys (14 & 12)

    @nicobie its been a great project with them ❤️. we've had so much fun working on something different every night and them excited for whatever new part comes.
  13. T

    First Enduro Build For My Boys (14 & 12)

    thx all! should have first ride today. the rear fender is a mucky nutz tire hugger. some shots of last night putting in the battery and first hall test. we did have an issue with the charger fuse popping when we first plugged it in. blew the second fuse too and one of the three prongs is...
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    First Enduro Build For My Boys (14 & 12)

    coming together. thx for all the help @amberwolf
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    First Enduro Build For My Boys (14 & 12)

    coming together! you guys have any recommendations on a charger for a 72v 20ah battery? also does the Sabvoton have a connector for brake lights and headlight, or do you have to wire them? thx for all the help.
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    First Enduro Build For My Boys (14 & 12)

    yea thats why I want to lock the bike down unless im with them. they can tell any police officer truthfully their dad locked the bike down to legal CA limits and they have no ability to unlock it. im hoping that will change the conversation from "you irresponsible parents" to "thats a cool...
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    First Enduro Build For My Boys (14 & 12)

    god mode could be fun :) I was just reading that the UKC1 has a passcode lock where you can set the speed limit and acceleration params.
  18. T

    First Enduro Build For My Boys (14 & 12)

    and @amberwolf is it possible to setup a speed limiter in a 80a sabovoton controller in such a way that curious teenagers cant easily access :) I would like to de-tune the motor to go max 28mph unless im with them.
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    First Enduro Build For My Boys (14 & 12)

    :) @amberwolf this is what ive got so far! Battery 72V, 20Ah, 2170 cells Motor Kit NBPower: Qs205 v2 3kw 3.5T, 150mm dropout + 80A Sabvoton + UKC1 Enduro Frame https://www.enduroebike.com/index.php?route=product/product&path=137_125_126&product_id=254 Fork 20" Himalo Fat Four 150mm...
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    First Enduro Build For My Boys (14 & 12)

    @ @amberwolf - you are epic. thanks so much for the detailed responses. Yes it's an EEB build. I will post progress of the build along the way. thanks again!
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    First Enduro Build For My Boys (14 & 12)

    Hi there - first post here. My boys (14 and 12) are stanning on Super 73s, Surons and Talarias. I told them I would only consider the expense if they learn how to spec, build and maintain one themselves. We've built computers before and I have an old boat and 911 they help me work on so felt...
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