Subject:
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Re: Why is the Thickness of Liftarms changing?
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Thu, 1 Jan 2004 20:32:05 GMT
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Viewed:
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4828 times
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In lugnet.cad.dat.parts, Philippe Hurbain wrote:
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In lugnet.cad.dat.parts, Paul Easter wrote:
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This part is on the Part Tracker;
http://www.ldraw.org/cgi-bin/ptdetail.cgi?f=parts/32278.dat
The 32278 I have has a thickness of .0309” which is approximately 19.77LDU.
Why are several of these liftarms getting changed to 18LDU?
Paul
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Liftarms are narrower than bricks, you don’t even need a caliper to see it
:
...and measured with a caliper :
- brick width: 7.8mm
- liftarm width: 7.4mm
- liftarm height: 7.8mm
As stud space = 8mm = 20ldu, we get liftarm width = 7.4/8*20 = 18.5ldu,
approximated to 18 ldu.
Of course, thick liftarm height remain 20 ldu.
Philo
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Thank you for this illustration. I see your point.
These parts should have been originally modeled rotated 90 degrees around Z so
that the liftarm “thickness” would have been the same a brick “width”.
I think I can safely say that I have rearely ever used liftarms in the manner
you illustrated.
Paul
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Why is the Thickness of Liftarms changing?
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| (...) are several of these liftarms getting changed to 18LDU? (...) Liftarms are narrower than bricks, you don't even need a caliper to see it : (URL) ...and measured with a caliper : brick width: 7.8mm liftarm width: 7.4mm liftarm height: 7.8mm As (...) (20 years ago, 1-Jan-04, to lugnet.cad.dat.parts, FTX)
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