Yeah the small ones i got are the same. The bearings are kind of spherical,and you can force the shaft to move . I think it is for missalignment issues when used in pairs.
I am impressed at how much you have thought out your project. Make me feel like i have been winging mine. I hope production will be quick once you received every part.
I feel you about the belts. For fear of delivery delays, i ordered vay too much belts, of varying size. I probably have a dozen belts i will never use. Haha
Unfortunately i had zero time to test ride my board in the past weeks. But i got to ponder things.
Watching all Summerboard clips on Facebook, i noticed that the trucks almost never twist, and there might be less rocker than i tought necessary.
I will try having firmer trucks, and riser pads. Before implementing a thinner wheel. I got tired of scratching the belt pulley on every other turn. But since they make it works with a wide wheel, it must be doable
Yes on my leiftech the truck/hanger movement is not very great and a lot of it is for ride comfort as it supports your weight, the compression allows you to shift a larger amount of weight I think. As the wheels get worn down the comfort gets worse as well.
I’m happy you think the design seems thought out! I’ve been working through very many revisions and I landed on this one that seemed so easy to make that I might as well get started.
By far one of my favorite parts is how the @Boardnamics shoulder bolts were exactly what I needed for the wheel axle and pivot.
if I want more suspension travel I need to move the motor closer in, so I might want to make my own pillow block for the 6007-2RS (id.35mm/od.60mm) that would be much smaller and allow the motor to be moved in a bit.
I am mostly trying to get the cheapest and easiest to manufacture solution, and I have some ideas on how I would make a more polished system. Smaller, with a gearbox and a outrunner built into the suspension pivot.
Did you miss the part where it has suspension? The force on that will never be great.
The only reason I went with 35mm id was because I needs to for the 30mm slip ring inside. For the smaller 22mm slip ring I was going to try to use a 25mm id bearing.
Oh yes right ! Smart thinking
I forgot about the suspension. Which makes me think, it will need to be very strong on the weel, so that it doesn’t slip. I guess it will have to be tuned to your weight doesn’t it ? Find the sweet spot …
I got around to fiddle a bit with mine. I was unhappy about the pulley scratching on the ground. So i am trying to implement a wider wheel, and the pulley close to it. That way i can tilt the board a bit more.
I wanted to go for the simplest system, pulley stuck to the wheel, wich turns on its own bearings. In order to get the most yaw possible for the board. By putting the belt drive system away from the wheel you reduce the yaw ability of the board … It hard to get something efficient and compact. Got to find the best compromises
I think I might be happy enough with the dimensions to proceed with making this prototype. The messed up KFL007 pillow bearings will have to be solved with some shims i think
