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That's consistent with what I've seen on my radrover 4 with the bolton upgrade. Assuming you're using the instantaneous voltage display setting instead of the one that tries to be "smart", you're going to see significant variance from minute to minute in the apparent voltage. This is because the...

I don't think the math (size and weight) works. I have a little brick battery for USB charging, half the size of a deck of cards and when new it delivered a legit 5200 milliAmpHour, enough to charge a big phone twice. At 5 volts, not 60 volts. So double the size for 10.4 AHr, then divide by 12...

Sorry if it's obvious, but always get stainless. Also, some of the RR bolts are odd lengths such as 28mm. You can usually get away with going with to the next largest 5mm size.

One more anecdote about the upgraded controller's behavior, all on PAS no throttle. Today I intentionally rode it to battery low voltage shutoff (configured for 40.0v on c12). I was drawing about 250w when it shut off. The voltage display had dipped below 40v for a few minutes before it finally...

Check your C4 setting. From my notes on Bolton's video: c4: throttle options "0" always on, "1" limited to 6kph until pedalling also check P4: p4: "0" throttle always on, "1" disables from stop The motor temp display on my 2019 radrover also always reads 59 degrees.

Presumably the BMS in the battery housing itself does so in the approximately six hours where it is receiving charging voltage that does not need to be applied to general charging.

It does make a difference. One is supposed to do a balancing charge once a month, assuming daily use. Measuring the battery voltage at charger shutoff, I see it drop just below 54.0 volts towards the end of the month; after balancing the voltage after charger shutoff is very close to the nominal...

Canadian customs fees are that high because of the storage costs.

That's a 378 watt-hour battery, not very substantial by current standards. For instance, a 2019 radrover (another lower cost fat tire bike) came with a 672 watt-hour battery. I get the advertised 25 miles using full power, and 35-55 miles using half-power or less settings. So I'd say your...

I'm not getting why there's so much negativity in response to this. From a status quo of no ebikes on BLM land, they are moving towards permitting some ebikes. Did someone not read the summary at the link? Still worth commenting. I'd like to see class 1 and 2 permitted on singletrack, class 3...

I'm looking forward to hearing how this goes. I decided against replacing the geared hub with a lower torque direct drive that would give more top speed at the expense of acceleration, because of all the stops in my urban commuting.

You know this but I'm going to say it anyways: Never approach a trail horse from behind. They have extraordinary range and instincts with those rear legs.

My question was more a hypothetical follow-on to the bolton video; I rarely ride off pavement. My throttle is a half-twist and very integrated into the handlebar and wiring harness, removing it would would be a one-way thing. But I could also disable it via the controller settings, beyond the...

United breaks...

I think the short version, is "don't ride like a dick". For instance, ebikes are prohibited on the golden gate bridge but I've never been stopped, and have a buddy who does a daily commute on a yuba cargo bike. He says he's passed cops on the west side path many times, but always at or under the...

Dunno. There's also the question of, if I configure my controller to limit power to speeds of 20mph or less, and turn off the throttle (there's a switch for this), is my 750w bike permitted where only class 1 bikes are?

Bolton Ebikes just released a video clarifying federal and california laws on ebike classification. Short version: class 1: 20mph limit powered, 750w max, no throttle class 2: class 1 limits with throttle class 3: 28mph limit powered, 750w max, no throttle (yes, this makes no sense) moped...

Yet, as I stated in the first post, they permit electric scooters. And laptops are ubiquitous.

This is arrant nonsense.

I see this type of parking once or twice a year at a busy saturday local farmers market, though never with an ebike. When I'm on my nothing special unpowered road bike I'm very tempted to lock it up in the correct orientation across the offending bike. The couple times I've met the rider it was...