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Subject: 
Re: Play "I can name that piece..."
Newsgroups: 
lugnet.general
Date: 
Sun, 14 Feb 1999 15:03:24 GMT
Viewed: 
1295 times
  
In lugnet.general, dulcaoin@alumni.cse.ucsc.edu (Joshua Delahunty) writes:
[...]
I actually think of the element in terms of its relationship to
octagonal corridor elements, most especially the outside corner element.

Me too!  If only they'd appeared in white a few times (because of all the
white corridor elements).  I think they only appeared in black & blue.


How about something like?--

   3.5x3.5x6 Quarter-Spherical Heat Sink
or
   3.5x3.5x6 Convex Corner Vent

Hmm.  Don't like fractional lengths or widths, especially in light of my
brick.plate unit system for element heights, so I probably wouldn't use
either of those...

In that nomenclature, how do you write fractional plate measurements?
A plate is 2 LU tall, 1 LU = 1/2 plate-height.

How do you write measurements for elements that are 2.5 LU wide?

I once considered writing "1.1" for 8LU (4 plates tall) and "1.2" for 10LU
(5 plates tall), but decided not to because there are so many elements which
measure exactly N+.5(decimal) bricks tall...for example

  .5 bricks tall (3 LDU):  *
     4 x 8 Plate  [DUPLO]

  1.5 bricks tall (9 LDU):
     4 x 4 x 1.5 Round Table (2x2 Top)  [DUPLO]
     1 x 2 x 1.5 Brick w/ Side Sink  [DUPLO]

  2.5 bricks tall (15 LU):
     1 x 4 x 2.5 Barn Half-Door
     1 x 2 x 2.5 Arch Window Frame

  7.5 bricks tall (45 LU):
     1 x 4.666 x 7.5 Rectangular Castle Door

and so many elements which measure exactly N+.5(decimal) studs wide...for
example

  .5 studs (2.5 LU):
     1 x 3 Technic Half-Beam (a.k.a. Liftarm)
     1 x 5 Technic Half-Beam

  1.5 studs (7.5 LU)
     1.5 x 4 Flat Windshield w/ 5 Hinge-Finger Slots
     1.5 x 2 Plate w/ Horizontal Side Groove
     1.5 x 6 x 2 Train Railing, 1 x 6 Base

  2.5 studs (12.5 LU):
     1 x 2.5 Tile w/ 2 Top Hinge Fingers
     2 x 2.5 x 2 Hinged Box
     2.5 x 4 Ribbed Tile w/ 5 Hinge-Finger Slots

In other words, isn't it confusing if x.y means something different in the
vertical direction than in the horizontal direction?

--Todd


*  I used LDU = "LEGO DUPLO Unit" here, such that 1 LDU = 2 LU.**

** Where does LU come from?  (I know what it stands for -- 1/6 the height of
   a standard 2x4 brick and 1/5 the width of a 1-stud-wide brick -- but
   where did it come from as a basic unit of measurement?)  Things like the
   Technic half-beams seem to imply that an LU isn't really a basic unit of
   LEGO SYSTEM measurement -- that maybe .5LU is really the basic unit...  ?



Message has 2 Replies:
  Units (Was: Play "I can name that piece...")
 
Todd Lehman (lehman@javanet.com) wrote: [...] (...) Take care. Some people use "LDU" for "LDraw Unit", which is 1/4 LU. (...) I don't know. I thought you, Paul or David [1] coined it? Somebody had enough humor (and sense) to suggest that "deciLU" (...) (25 years ago, 15-Feb-99, to lugnet.general)
  Re: Play "I can name that piece..."
 
(...) They appeared in Grey in 6952 "Solar Powered Transporter. Also, they don't work too well with the Octagonal corridor elements. They DO work well with the Double-sloped windows, however. (think Alien Moon Stalker, 6940) Jeff (25 years ago, 16-Feb-99, to lugnet.general)

Message is in Reply To:
  Re: Play "I can name that piece..."
 
(...) No, it doesn't (take that into consideration). The name comes from a day when I named things more for their modification of a defined element, rather than entire bounding-box approach to size. Since they're no longer made, I haven't had reason (...) (25 years ago, 14-Feb-99, to lugnet.general)

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