Endless Sphere

Wow, what a thread. Please post a llnk if you publish anything from your CNC project elsewhere!

Raising the crown race worked mechanically fine, even with the flimsy alu can shims for centering. I was planning on welding the crown race to spacer, but I ended up modifying my frame to get the chainline I needed. Problem was I used 30mm longer fork + 30mm spacer, which ruined the geometry and mad...

There are also crown races which are up to 10mm tall. I could actually buy a few crown races, grind the top off, and metal epoxy the current crown race to these spacers to make a tall crown race.. the SR Suntour XCT JR L has a bulged section that's 10mm tall.. so this would actually work. For extra...

You could use a spacer between the top nut and upper bearing race, though you need likely something better than a modern threadless spacer. This was just about the nicest new rim brake fork I could find: https://www.ebay.com/itm/RockShox-Recon-Silver-TK-Fork-26-100mm-Travel-Solo-Air-9mm-QR-Disc-V-Br...

Ah, so close. I chose 120mm length cranks for comfort mostly, no need for maximal power output anyways as long as you have an electric motor to assist. Good news is that those square taper bottom brackets are available up to 140mm width on ebay.

Get a threadless fork, you only need to change your upper headset bearing or grind the threads out of the old one and get an ahead style stem. Rock shox with an air spring gives a nice ride, but coils work too. I looked at ebay and you can still get a silver tk 32 with canti mounts for 26" whee...

https://www.youtube.com/watch?v=msSio5M-G9k

I wonder who would have comparable skills and creativity in 2020 as JT had in 1970´s..

You can find batteries with decent performance in some hybrid vehicles. They are not most energy dense in wh/kg sense, but will put out plenty of power for a price thats hard to beat. BMW hybrid packs with Samsung cells come to mind. 5-6 modules of 16s in a pack, 1,5kwh rated capacity (2kwh in later...

I hope we will have a lot more people in the future hacking and opening this proprietary EV technology for recycling parts for conversions and possibly circumventing Tesla style attempts to block the right to repair our own stuff. Damien Maguire is one of those rare people that work towards open sol...

Hey, just a friendly reminder for anyone getting into these Nissan cells. Factor in the degradation in your wh/$ estimates! Unless sure, buy capacity tested modules from a reputable seller.

Free project motorcycle? 300$ A123 batteries? Oh dear, that will make some jealous people, including me. Can´t wait to see what will you come up with your mad maker skills!

Warning: Esk8 advertising, but a cool vid tho.

https://www.youtube.com/watch?v=x8n-n8baYb4

https://www.youtube.com/watch?v=ZjLAl1Pix_0 Tucker Neary races the Alta Redshift MX against gas dirt bikes in the Expert Short Course Class in the Texas State Championship Enduro Circuit. Wow, those things are faaast in the right hands. https://www.youtube.com/watch?v=_KAuOZgx3v0 Tucker Neary from E...

In a tweet last week Tesla CEO, Elon Musk, indicated the cost of replacing battery modules in the companies Model 3 will cost about $3000 – $7000 USD. Not a bad price considering the current batteries are designed to last 300,000 to 500,000 miles, which is the equivalent of 1,500 cycles. Poorly dea...

Cost is an issue, most recumbents cost as much as a full suspension good quality mtb, for something special you are looking at new DH bike equivalent prices. One thing that makes recumbent riding position great for ebikes is that you don´t have the usual saddle problem. The less power you put down f...

https://www.youtube.com/c/WhyNotCycles/videos

Such a cool guy, seems to run a small bike shop maybe somewhere in Greece, builds his own washing machine BLDC powered bike. Halbach array of neodymium magnets in 3D printed carriers, VESC, etc.

Best bike is the bike that suits the riding you do and your abilities and limitations. I used to ride 40+ km round trips every day in semi urban environment, so I ended up choosing a high racer style recumbent with 26" wheels. Due to poor roads and need for carrying loaded panniers it evolved i...

If you are on a strict budget and don´t mind a bit of additional weight, going for a moped front end might be a cheap solution. Steerer should be the same diameter and parts are super affordable.

https://sc02.alicdn.com/kf/HTB1CmOHegZC2uNjSZFn761xZpXau/231914185/HTB1CmOHegZC2uNjSZFn761xZpXau.png_.webp I bought this older 17" QS hubmotor that was advertised as 1500W continuous and 3000W peak with a kv of 9,3. Different casting but might be similarly wound and with crappy magnets as in t...

So thats what it was. FYI you can use a free proxy service to read the board in similar situations. I wouldn´t log in through one though.

Hi, this video editor is free and pretty easy to use, so we dont need to look at that stupid announcement next time: https://www.openshot.org

Cool bike, I have been following you for a while!

So i figured.. before fixing the cannondale frame, i should convert the cannondale's front to a 20" wheel with a stiff fork so that i can run a moto tire on the front...however, there is no way in hell in can find the KP058 headset conversion kit to do that. I'm quite frustrated overall. Hey, ...

De-airing might be trickier? Super nice looking machining and build quality.

Looks like a cool project. Any weight estimates? What is your plan for EMC testing?

600€ is a cheap solution If you can avoid EMC testing. Congrats for the cool conversion!