Φ Bultakenstein [Aborted]

I have been stripping the paint off the Rex tank, and it’s really, really on there well. I went through four or five rounds with Citristrip, then stepped up to a couple … Tank graphicsRead more

I realized I never posted a photo of the rear suspension fully assembled, so here it is. There are lots of things that could be tweaked and improved, but it’s good enough … Rear suspension assembledRead more

I’d been putting off working on the bike for a while now, because the next logical step was welding the suspension mounts into the frame, and I’ve found that very intimidating. I … Frame weldingRead more

I was really hesitant to cut into the frame backbone, especially with just a hand drill. However, you can hem and haw and procrastinate only so long; at some point you have … Mounting plate bungsRead more

I finished cutting out and smoothing the shock mounting plates. I also gave myself the option of attaching a head stay to this later on, if needed. Here it is clamped to … Shock mounting platesRead more

Okay, refer back to the photo of the crappy spacers I made about a month ago. Now, here are the new spacers I made on that lathe last night. Notice how the … First lathe workRead more

So, I’m currently distracted from the Bultakenstein project by another new toy, which I’ve nicknamed “Baby”… …but once I get ‘er shimmed level and bolted down, clean off the cosmoline, get a … My new latheRead more

I’ve been suffering from a chronic lack of motivation on this project for a while now. To be frank, I’ve been somewhat depressed about how unprofessional it’s turning out to be. I … Forward shock mount fabricationRead more

I managed to do a little something: alloy spacers to center the rear shock mount. Unfortunately, I might re-do them. Didn’t cut them perfectly straight with the hacksaw, so by the time … Rear shock spacersRead more

I ran across this 1977 factory design sketch of Bultaco’s proposed 250cc version Streaker in Francisco Herreros’s history of Bultaco, A Passion For The Sport.I had seen this before, and even though … Bodywork sketchesRead more