Tanshanomi’s Bikes

I was looking at some of the smaller ball and needle bearing sizes on McMaster-Carr’s website. I’m thinking of using these self-aligning, flange-mount roller bearings to mount my shifter crossover linkage. Less … Self-aligning flange bearingsRead more

I mentioned this in passing early on, but one thing I am planning on doing is building a crossover shifter arrangement for a modern standard right-brake/left-shift arrangement. (I’m old enough that my … Gearshift designRead more

I cranked up my lathe to make the fittings to connect the pieces of my new rear frame section to each other and the existing frame. I’ve finished one of the four. … Seat tube fittingsRead more

So, the laser cut (yes, really laser cut) rear engine mounting plates Garrett had made arrived yesterday. They’re absolutely perfect. Here they are mocked up with some allthread. The bottom mounting stud … Laser cut engine platesRead more

My podcast co-host Garrett has offered to laser* cut my engine plates out of 3/16″ steel. The only downside is the turnaround time is 2-3 weeks. I guess the interim gives me … Revised engine platesRead more

Having the dimensions needed, I made up rear motor mount templates. Each arm extends 94mm from swing arm pivot center to bolt center. I put two pieces of stock together with split … Motor mount platesRead more

I broke out the HDPE and all-thread this morning to mock up the distances between all the various centers. I bought big sheet of 3/16″ HDPE about four years ago, plus some … Rear engine mount mock-upRead more

Soooo…after sitting totally disassembled for a year, I’ve awakened Bultakenstein from its slumber. When we last left off, I had taken everything apart to work on frame modifications on the seat/tail and … Engine mount designRead more

This project turned five years old a few weeks back. A lot has happened in my life since I started this. I bought a Can-Am Spyder in 2013 and I enjoy it … 5-Year AnniversaryRead more