Barnett Performance Engineering B.P.E

Lathe repair, part 2!

Hi guys, after machining up the aluminium selector plate, I machined up some 4140 bar (58od) to make new selector detent inserts. My reason for doing it this way is, the detent is a hard steel ball that locates in a position, eventually it would wear the aluminum significantly and create gear selection faults as the detent balls won't locate correctly.

Anyhow, after machining, the plate and inserts were assembled and then I positioned the old damaged plate over the new plate, locating it into position with 16mm bar in the bores (the bores are 16.02mm diameter). The original detents were then drilled through into the new plate, so their positions would be correct.

Then the fiddly job of installing the detent levers, balls and springs was all that was left.... after much swearing, it came together perfectly.

We then assembled the machine, which was also fiddly, but not difficult. We then wired in a VFD and hooked it to the original switches, after 5 mins of programming, the old Italian lathe is up and running.

It runs perfectly. Selects all gears as ig should and I'm really happy with how it turned out, needless to say, our friend who owns the lathe is stoked.

Time to make swarf!

Cheers,

Shane

Hi everyone,

Hope you are having a great weekend, I've just finished making these 1929 Chev grease caps, I'm pretty happy with how the turned out.

I hope the client likes them.

Anyhow, enjoy the rest of your weekend, it's time for me to get onto the next project!

Cheers,

Shane Barnett

Another little mission completed. This is a tool setting micrometer for a line bore, I'd never seen one, but I had a rough idea of what I wanted and this is the end result.

It was a fun little job! The digital/manual micrometer head has a 1 micron resolution (in digital), which is plenty!

Time to give it a go.

Enjoy your evening,

Shane Barnett

Hi everyone, hope youve been playing in the shed over your weekend, because I have..... I had to block off some direct injector ports on a vw golf head for another workshop. Fun stuff!

I made the blanking plugs to be an interference fit of 0.1mm (4 thou) on each of the stepped sizes. This was also put in with loctite 648 heavy duty retaining compound. The head was heated and the plugs driven in. Needless to say, they are in there for good.

The manifold face got a quick skim on the old Beavermill (1972) to be sure it's all dead flat.

I reckon it came out alright.

Have a great week!

Shane Barnett