drink's blog

Audi 32V V8 Head Job in the A8

Quite some while ago, I bought an Audi A8 Quattro for what seemed like a good price. It was not a bad price, it just wasn't a good price after all. It's been a learning experience, which is automotive slang for I should have spent more money. I haven't become an expert by any means, but I've got a good overview of the vehicle, especially the engine. This is partly because I used Google to translate VAG1 SSP2 105, 161, and 162, which are "V8-Motor", "Audi A8", and "ABS 5 ... Audi A8" respectively, and partly because I've replaced both head gaskets. The following text is adapted from some text I wrote in response to an email question, which came in response to a post on QuattroWorld A8 forum. I thought it might be of interest to others thinking about doing a head job on the 32 valve Audi V8 Motor.

Fixed-Wing Drone on the Cheap

Some little while ago, I picked up an e-Flite Apprentice, a fairly common foam "trainer" model airplane which is normally sold "ready to fly" with everything but the battery and charger. It was part of a lot of stuff that I picked up for ten dollars, and came without the radio. First I repaired it and mounted a HobbyKing HK-T6A v2 radio, but I quickly decided that it should be more than just a plane.

Drone On

Well, I finally built me a drone so's I could fit in with all the cool kids. What follows is a short description of my experience with helpful links for someone else who would like to build a substantially similar quad. I built basically the cheapest quadcopter you could use for anything more than just crashing into stuff, a SK450 whose parts were primarily sourced from eBay — and usually with the very cheapest parts.

Keep that command running - keeprunning

I wanted to keep some programs running, which is to say restart them if they crashed, but I also wanted them to be able to exit normally. The platform is Linux, the problem is compiz, the solution is a very small shell script. Surely the internets will let me know if there is something grossly wrong with it. This script is not meant for long-running daemons, there are plenty of tools for that already.

Garbage Computers are Great!

For all my life, most of my computers have been hand-me-downs or upgrades. I've built a handful of PCs from scratch, but even most of the ones I built with new processors and motherboards had some hand-me-down parts. But it seems like recently a threshold was crossed where the computers available to just anyone (and not someone who knows "someone") for basically nothing began to be pretty good.

CarPC power: via relay

When you're putting together a so-called "Car PC", by which we usually mean a contemporary ATX-derivative computer installed into an automobile, you have a few hurdles to cross. The enclosure, interface, storage devices, and even the power management all become special problems. The power problems can largely be solved through the use of a Wide Input picoPSU, but what about systems outside of a 120W envelope, or systems where you need to switch more than the PC power? The answer is just one typical automotive relay.

CMS users don't care about Mobilegeddon

Right now, there is a massive flap occurring in the blogosphere which is known as "Mobilegeddon". Google is going to increase the relative ranking of pages which are available in both desktop and mobile themes, as opposed to only one or the other. This has got a lot of incompetent amateurs worried about whether their sites will vanish off the search landscape, but any Drupal (or other adequate CMS) user can solve this problem with a few clicks.

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