Subject:
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Re: RC control on Pneumatics, gearboxes and polarity switches
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Newsgroups:
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lugnet.technic
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Date:
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Tue, 8 Aug 2000 22:38:10 GMT
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Viewed:
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1808 times
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On Tue, 8 Aug 2000 09:11:00 GMT, tnt@arnesson.nu (Tobbe Arnesson)
wrote:
> I have a couple of polarity switches, an RCX with a bunch of switches
> and some old style pneumatics. Three geared motors, two old style and
> one micromotor and a turn table. No compressor though, but I'll see
> what I need and then order some stuff from LEGO Service here in
> Sweden. I hope they have them in stock :)
You just build the compressor, and for gods sake - don't use the air
tanks! They're great when used with the handpump, but can ruin almost
any compressor design. Take a look at the compressor in that awesom
"claw truck" (can't remember the set number, but I'm sure others can)
it is far inferior to some of designs that have been on display here,
but it works anyway because it doesn't use the tanks, and if you're
only switching the compressor on when using the crane, you probably
doesn't need to concern yourself with switching off to avoid
overpressure.
> I can't afford to much in this project and I'm just back from the
> black period so I don't have much of the new legos :( I think I'll buy
> the 8462 Tow Truck for this project though, if I can find it. I want
> the airtanks and pneumatics, wheels and the turn table.
Good set, but those airtanks ..... I've modified mine to only use
one:)
Another advice, I reacently built a stationary lumber crane (it ended
up so big it _had_ to be stationary:) three joints on the arm and claw
function, it could actually reach anywhere on one of the big
baseplates, but I was totally entagled in pneuamtics hoses when I got
an idea that nealy halved the usage of hoses.
Place the cylinders so that the weight of the arm will give you one of
the directions, meaning, remove one of the hoses, and let the weight
work for you, use rubberbands too, use the plastic tubing along the
arm, and hose over the joints. there's lot's of tupe in 8462.
> I will try to take some detail photos of a real life truck so that I
> can study how they actualy are built. I know of two in my area.
Choose one with a large cabin:) You'll need the space:)
Regards
John
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