Subject:
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Re: Force, strenght, did anyone ever measure?
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Newsgroups:
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lugnet.build, lugnet.technic
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Date:
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Wed, 17 Jan 2001 19:39:51 GMT
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Viewed:
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622 times
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My model (link below) uses elevators with a double rack and double drive axles (four z8 pinions).
I have tested it with a payload of 36lbs (more than enough for a complete scale-size Saturn V).
By my calculations, thats 40N per elevator. The rubber belt in the drive slipped a bit, but the rest
of the gear train seemed to work without undue stress. HTH.
http://www.geocities.com/capecanaveral/runway/1604/ksc_ct.html
--
Mark Haye, mark_haye(@)tivoli(.)com
IBM TSM Server Development, Tucson, AZ
"Duq" <Duq@nlgateway.net> wrote in message news:G7A5B2.7oq@lugnet.com...
> Hi all,
>
> I'm running into trouble with my mobile crane project. The boom is pretty
> heavy. I want to raise it with a rack/pinion, but I wonder how much force
> they can take? I reckon that for the first bit up the horizontal force will
> be around 50N. Does anyone ever measure how much a well braced double
> rack/pinion (8t gears) can take?
>
> Duq
>
>
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Message has 1 Reply:
 | | Re: Force, strenght, did anyone ever measure?
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| Cool! That's an impressive machine! I was actually thinking about using 2x2 8t gears, but I don't have the room in my model (And I've run out of racks too). Encouraging anyway, I'll do some testing this weekend (and probably post a picture of the (...) (24 years ago, 17-Jan-01, to lugnet.build, lugnet.technic)
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Message is in Reply To:
| | Force, strenght, did anyone ever measure?
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| Hi all, I'm running into trouble with my mobile crane project. The boom is pretty heavy. I want to raise it with a rack/pinion, but I wonder how much force they can take? I reckon that for the first bit up the horizontal force will be around 50N. (...) (24 years ago, 16-Jan-01, to lugnet.build, lugnet.technic)
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