Archive for the DIY Category

Fabrication and friends

Posted in DIY, musings, pedantry, projects, Science with tags , , , on 31/08/2009 by sangomasmith

Recently, a friend of mine and I had a debate about universal fabrication in general and fabbers in particular. The conversation and resolution we came to were, I thought, worth writing about. Full disclosure: I’m a biologist and JP (my friend) is an engineer. Oh, and we both want to buy a fabber someday.

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Mild frustration.

Posted in DIY, musings with tags , , on 22/06/2009 by sangomasmith

Ah, pulse jets. Like rockets, steam engines, derigables and hot-air balloons; these ingenious devices are a lingering dream of mine.

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Luddites and laws

Posted in DIY, News-related, politics, rant with tags , , , , , , , , on 14/03/2009 by sangomasmith

The New Scientist recently broke the news that a bit of a furor has erupted over the instant approval of a non-GMO crop with exactly the same genes as a GM crop that’s been in testing for years. Strangely, the fuss is not over whether GMOs are dangerous or not.

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Posted in crossbow, DIY, projects with tags , , , on 28/02/2009 by sangomasmith

Okay, tweaks are done and the crossbow has been fired. So, on to the description:

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Posted in crossbow, DIY with tags , , , on 21/02/2009 by sangomasmith

I have finished and fired the big crossbow. This unfortunately revealed some flaws that needed fixing, so I’ll only be able to post the full run-down sometime in the week. I do have some preliminary thoughts, though:

  1. It makes whatever you stick in front of the string disappear. Fast. And then occasionally explode into a shower of splinters. So don’t be a moron and stand in front of it.
  2. Powering a crossbow using a car spring and a home-made winch is a great idea if you want to create something that terrifies you. Kids; if any of you want to try this at home then, for the love of all that is holy, please over-engineer everything. And by that I mean design it in such a fashion that you can beat it against a wall, jump on it and drop it from a building.

Have fun out there


Posted in crossbow, DIY with tags , , on 19/02/2009 by sangomasmith

The crossbow is coming along, and it is a thing of evil. It shall be terrifyingly over-engineered (I hope) and stupidly overpowered (I pray). Just the final assembly to do, so you will hear more on this subject soon.

Hello empty space…

Posted in DIY, projects with tags , , on 11/02/2009 by sangomasmith

Having apparently lost my one viewer, I think I shall merely press on regardless. Don’t be surprised if this space becomes a sort of mental attic, filled with half-formed burbles and ill-considered ideas. Don’t be surprised if you don’t notice any difference…

Anyway, I’m on another project kick. This time around I’m working on a siege crossbow, another attempt at a hot-air balloon and a two-valve pulsejet. If successful, the plans will be put up for all to see. If unsuccessful, then prepare to hear no more about them as I proceed to pretend that they never existed in the first place.