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Old 03-10-2006, 06:51 AM   #1
Mathew
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Lego engines and cars...

Lets see how forgiving the mods are with this:

http://nicjasno.com/

I found this site while looking for something else. Basically this guy is building model cars out of lego. Pretty simple right? Well he's actually making airpowered engines for them. He's got a V8 and an I4, that actually work like real engines, including pistons, crankshaft and camshafts. He's also made transmissions, real suspensions, working doors, etc etc. He's made a few full cars, which are great in themselves, but the engines are amazing. He got one going 680 rpms! ITS LEGO DAMNIT!

Anyway, check out the site, watch some of the videos (see the engines running), and download some of the instruction manuals. See how complicated those engines are. Its awesome stuff...

http://nicjasno.com/pictures/interce...k2/engine4.jpg
http://nicjasno.com/pictures/interce...on-overall.jpg
http://nicjasno.com/pictures/charger...erengine14.jpg
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Old 03-10-2006, 07:02 AM   #2
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I remember seeing a site like that (or it was this one), and it had a 71' Dodge Charger made out of Lego, suspension, engine, interior, everything.. it's crazy and amazing how they do it.

Edit: Nvm, this is that site... and it was a 72' Charger lol.
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Old 03-10-2006, 07:03 AM   #3
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thats awesome i have never seen or even heard of someone doing that must be cool to actually get one working
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Old 03-10-2006, 07:06 AM   #4
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Holy crap!...That's awesome...complicated too, I was going to find some old Legos and build one but then I saw the instructions

Actually, I've seen some cars that run on compressed air, http://www.theaircar.com/ , but this is just plain cooler lol

What does the air do though, I can't find it on the site, I thought it might just be simulating the combustion stroke, but that doesn't sound possible with Legos lol.

Nice find
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Old 03-10-2006, 07:11 AM   #5
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Quote:
Originally Posted by chris_knows
Holy crap!...That's awesome...complicated too, I was going to find some old Legos and build one but then I saw the instructions

Actually, I've seen some cars that run on compressed air, http://www.theaircar.com/ , but this is just plain cooler lol

What does the air do though, I can't find it on the site, I thought it might just be simulating the combustion stroke, but that doesn't sound possible with Legos lol.

Nice find

Yeah, he doesn't actually explain how the engine works anywhere. I think the air is going in sort of an intake manifold. It pushes one of the pistons, which turn the crankshaft and also moves the other pistons. A chain drive from the crank turns the camshaft(s), which may or may not open valves to the pistons. Its somewhat like a real engine, but I'd really like to know exactly how it works.
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Old 03-10-2006, 07:11 AM   #6
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damn, thats is some extrememe engineering. Even though half the videos freeze up on me, I saw enough to amaze me. Wonder what they run on.
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Old 03-10-2006, 07:12 AM   #7
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dude, the inline4 was going 1220!! that is freaking crazy! and did u see the stang? wiht the drivetrain, damn, i want to know how long that took...
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Old 03-10-2006, 01:41 PM   #8
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holy mother of Jesus!!!! i never thought it possible to do that with Legos, and ive been playing with Legos for......... almost all 21 years of my life!


now THATS nice!
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Old 03-11-2006, 03:53 AM   #9
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And the links survived the wrath of Cliffy!
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Old 03-11-2006, 05:25 AM   #10
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Wow, that's almost as cool as much as Zailight's situation sucks.
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Old 03-11-2006, 05:53 AM   #11
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Wow thats amazing. I didn't read through everything on the site but wouldn't it get pretty hot and melt the plastic?
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Old 03-11-2006, 09:39 AM   #12
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Quote:
Originally Posted by Benson
Wow thats amazing. I didn't read through everything on the site but wouldn't it get pretty hot and melt the plastic?


Why would it get hot? Its just air running through it. Plastic doesn't conduct heat very well.
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Old 03-11-2006, 12:18 PM   #13
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That's cool.
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Old 03-11-2006, 10:55 PM   #14
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If anyone's interested, I got an e-mail from the guy who makes them, here's how they make them:

Quote:
Originally Posted by Alex
The air goes to the switches first. Each cylinder is hooked to its own switch, the switches themselves are driven by the camshaft, which
determines the timing - when a switch turns in one or the other
direction (the pistons do make work on the up and down stroke) - and
after th air leaves the switch it indeed enters the piston and pushes it
up or down. The engines are powered by an ordinary stationary non-lego
air compressor with a 50 liter air tank.
Pretty complicated lol
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