Posted by jerry on June 11th, 2004 — Posted in Journal, Steam, Technology
Now this is something I didn’t expect to see – I’ve seen various kinds of machines built with lego, but a working steam engine made from lego is a new one on me – I’m impressed at this guy’s creativity, and what’s more, it appears to work.
Daniel Hartman has various versions of the engine, including single and double cylinder versions, and single and double acting. They use square pistons and seem to run quite well on compressed air or with a vacuum cleaner. It seems a great way to demonstrate the basics of steam engines.
This is an animation of Daniel Hartman’s double-acting twin cylinder engine The whole site is worth a close look 🙂
cheers
Jerry
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Posted by jerry on June 7th, 2004 — Posted in History, Journal, Technology
Another quick update on my model of Leonardo’s helicopter – I have made a larger diameter rotor and achieved a couple of flights across the room. The rotor diameter is now about 18cms (about 7.5 inches) and made from cereal box card. The helix winds one and a half times around (one circle plus a half, with the lower circle split along the radius to the centre and the extra half attached with masking tape. There was some sag, which I rectified with a masking tape brace – you will notice that Leonardo’s helicopter design had string braces to support the rotor structure – I guess he had problems with sag too 😉 Anyhow here is a picture of my model (current configuration as flown). The drive is the same spinning-top launcher that I was using before.
And Leonardo’s one for comparison:
Image as displayed on the Leonardo Museum in Vinci – they also have a model based on Leonardo’s helicopter, but using fabric rotors the way Leonard’s original envisaged.
Cheers
Jerry
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Posted by jerry on June 5th, 2004 — Posted in Journal, Music
Well, the first mix was a bit over cooked with the delay – it sounded like this was recorded in someone’s bathroom! So another mix and it is sounding much better. Good enough to burn off some testers for the band members so we can agree on which numbers will make the final demo. I also took the opportunity to try out Belkin’s CD Launch Pad – CD labelling system. I bought it because it was the only one promising mac software for formatting the labels. The labelling machine has a rather twee ‘Star Trek’ look to it, but it is well shaped for a person to grip it easily and comfortably – even a left-hander like me.
I used the label templates for Adobe Illustrator (there is PC software included, but only templates for the mac) and selected a suitable background from the fairly wide range provided as free art, and placed the text within the boundaries… and guess what? It worked first time 🙂 It does an excellent job of positioning the label on the CD and the supplied labels worked well with my ink jet printer to produce quite a professional result. So I am a happy chappy!
Now to produce a CD cover and with luck, I should have a decent looking and sounding demo ready to post off on Monday…
Cheers
Jerry
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Posted by jerry on June 3rd, 2004 — Posted in Journal, Music
Phew! after a hectic session we’re pretty happy with the initial pre-production results – some good raw material to work with for our demo CD. In case you were wondering why I haven’t been updating my blog the past two days – that’s the reason 😉 We now have enough material and hopefully I should be able to complete the mix-down and run off the first CDs this weekend.
I also designed and wrote a promotional pamphlet for the band so hopefully, that, along with the business cards, should provide a professional presentation for prospective folk festivals and clients. It all seems to be happening at once as most of the festivals for next year want(ed) applications in by 1 June this year! Oh well, we can but try.
At this stage it looks like we have four useable songs and two sets of tunes for the demo CD – a good few weeks work!
Now I just need to find a CD label-making kit and mac software…
Ah time for a beer and some sleep!
cheers
Jerry
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