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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Mon, 7 Aug 2000 12:34:32 GMT
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Viewed:
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1764 times
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Ran Talbott wrote:
> Suggestion: all the crane trucks I've seen have separate seats for the truck
> and the crane (probably so the driver doesn't accidentally raise the crane
> when trying to turn on the windshield wipers...). Why not do a 3-channel RC
> for the truck, and a 5-channel for the crane? It will cost more, of course.
> But it will probably be *much* easier to make it work. And it will be more
> realistic.
I'm not entirely sure if Tobbe was referring to the "traditional" type of mobile
crane setup here - I rather get the impression, although I may be wrong, that he
is intent on making a "logging truck", with a crane similar to that you get for
loading bricks and whatnot onto flatbed trailers, i.e. it consists of a rotating
boom without a cabin for the crane.
Nonetheless, your idea is an excellent one; another advantage of it is that by
placing most of the crane controls above the rotating part, you avoid having lots
of wires going through or around the turntable, which usually results in a
hideous tangle. If 360 degree rotation is the goal here, such an approach would
be highly relevant. It can also sometimes be helpful to use this extra mass from
all the control apparatus as a counterweight to the crane.
Jennifer Clark
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