The Quarky Engineer

Foundation wall pour complete.

There was some discussion in a previous post about the pulse dampers causing some pressure related problems when placed directly on the rail.

I added four high speed pressure sensors onto the inputs and outputs of the fuel rails, and I think that should enable me to see if such problems exist. I should be able to sample these sensors at 500hz (2ms), which might provide enough resolution to see oscillations. If needed I can swap in some faster sensors.

I must admit the intake manifold looks better than I thought it would.

God save the queen?

Mmmmmm.. Gold. Nice that the Injector Dynamics hats happen to be gold for these ID2000. That Paul Yaw thinks of everything. Radium pulse dampers as well.

Ready for footer pour.

For those of you who really really want hear me talk for 5 mins about this block, here ya go!

I have a reasonable number of meetings that involve people transmitting data at suboptimal baud rates. Doodling has always been a valuable way to provide some mental exercise and increase my retention of the important bits.

I have always tended towards doing designs during these idle times, and in particular I like designing microprocessors. I find that post-it notes are a good way to organize hierarchical design, and makes it easy to pick up a design months later. Sometimes I’ll do something novel like a single instruction design (‘mov’ obviously), something like a 128-bit VLIW, a yet another MIPS knock off, or in this case a very compact 8 bit design that can be implemented in a reasonable number of old school 74 series gates. Sometimes I’ll just write out stuff in VHDL, but doing old school Kmaps has its place.

It is really simple stuff, but I find it very relaxing and calming.

What do your doodle designs do?