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 CAD / LDraw Files / Parts / 4988
  Why is the Thickness of Liftarms changing?
 
This part is on the Part Tracker; (URL) 32278 I have has a thickness of .0309" which is approximately 19.77LDU. Why are several of these liftarms getting changed to 18LDU? Paul (20 years ago, 31-Dec-03, to lugnet.cad.dat.parts)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) Yes that seems strange, as far as I can tell all these liftarms are the same width as a 1xN brick, so should be modelled as 20LDU as the bricks are. ROSCO (20 years ago, 31-Dec-03, to lugnet.cad.dat.parts)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) I've measured these and several others have as well and we all got 18 LDU -Orion (20 years ago, 1-Jan-04, to lugnet.cad.dat.parts)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) What are you using to measure with? I use a dial caliper. Paul (20 years ago, 1-Jan-04, to lugnet.cad.dat.parts)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) I confirm Pauls measurement. I compared it with a brick and it has the same thickness. This is also needed to connect a pin with the holes. CU Bernd (20 years ago, 1-Jan-04, to lugnet.cad.dat.parts)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) 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)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) 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 (...) (20 years ago, 1-Jan-04, to lugnet.cad.dat.parts, FTX)
 
  Re: Why is the Thickness of Liftarms changing?
 
(...) Indeed but... too late now :-( (...) ...but using plates on side of liftarms can be very helpful to stiffen chassis built with them. Philo (20 years ago, 2-Jan-04, to lugnet.cad.dat.parts, FTX)

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