Recent content by Chalo

Correct, as long as the trickle rate isn't too high for the battery. That's some kind of voodoo/marketing hogwash/pseudoscience that I'm not fully informed on. What I can say is that lead acid batteries are very very mature tech, and if fixing them through voodoo were easy or reliable, it...

I think you have more faith in a group of six crappy 5mm screws to take mega shear loads than I do. Also, BMX hubs don't have disc brake interfaces. Hubs that do are usually too wide for a BMX frame. Hubs that can switch hit in one way or another, don't have 14mm axles. This is resonating...

Well it has to get to the tire somehow. The three ways bicycle hubs do that is a freehub body (which will fail if you overtorque it), a threaded freewheel (which can be stronger, but is limited by the threads the hold it), or a disc brake rotor mount (which doesn't freewheel and is designed...

Assuming that's true, how do you propose to keep the axle from slipping forward in a horizontal slot? If you use something other than a hefty motorcycle sprocket, how do you propose to prevent bending or folding it? Keep in mind that however much thrust you get on takeoff will be increased by...

Seems like an easy coping strategy for him to turn his feet over for as long as the auto repair takes. You don't have to push the pedals, just turn them forward. I think if he can walk, and he can drive, he can turn the pedals over. The bike in the OP's post has a Shimano Nexus 3 internal...

You can get what you want by substituting a cheap generic headless controller and the throttle of your choosing. But the components already on that bike are not designed to do what you want, and you are likely to waste more time than the problem is worth by trying to retrofit them. If you're...

Each one of your "6V" lead acid batteries is actually three 2V cells in series, the same way that a 12V car battery is six 2V cells in series. So as long as the four 6V packs have all endured the same conditions, they can be treated as a single 12S lead acid battery. If they're flooded cells...

You won't be doing that with bicycle parts, then. Look for an aftermarket motocross hub with a disc rotor mount on one side and a sprocket mount on the other. Then look at making frame ends that accept a through axle. If you try to use bicycle parts for this job, you'll either break them or...

Dual mode or three mode controller, three wire throttle, enable switch, battery, maybe a voltmeter if range is a critical factor. If I want to know anything else, I have a smartphone that will tell me how far, how fast, cumulative mileage etc. The last dead/orphaned mid drive I rehabilitated...

Because of the diameter of a hub motor relative to the rim, cross-1 is almost always the strongest and most reliable pattern. Cross-2 or more usually kinks the spokes where they enter the nipple, which predisposes them to break at the top of the thread.

No, I prefer the reliability, diagnosability, and serviceability of all-analog system components (outside of the controller's microprocessor anyway). Anything that doesn't help the bike go has no place on my bike.

Why would you change an inherently simple machine to an unnecessarily complex, less reliable control system if there's no practical benefit in doing so? That's car driver nonsense.

They have to be heavy rims so the spokes can be turned up to a high enough tension that they stretch elastically enough to follow the rim as it flexes under load. A 2.34mm round spoke needs 37% higher tension to stretch the same amount as a 2.0mm spoke of the same length, and 69% higher tension...

That's exactly what you can do. The loads imposed on a wire wheel by a hub motor are at least an order of magnitude lower than the design loads for a bicycle wheel. Wire wheels are so fit for their purpose that attempts to replace them with castings or disc wheels have all failed because the...

Because then they'd be heavy motorcycle rims, needlessly crude and chunky for the job they have to do. Bicycle parts are designed based on their requirements, not to pair with arbitrary inappropriate other parts. If you start making bad design choices for foolish reasons, eventually you end...