ロンジ材 (ronji zai)

English translation: longeron

05:12 Jul 14, 2000
Japanese to English translations [PRO]
Tech/Engineering
Japanese term or phrase: ロンジ材 (ronji zai)
Another shipbuilding question: Am I right in thinking that ronji is short for "longitudinal" (i.e. longitudinal member?). I can't find it in any of my tech dictionaries...
Philip Ronan
United Kingdom
Local time: 16:46
English translation:longeron
Explanation:
one of the longitudinal members used building ships (airplanes etc.), German: Holm
characters: "tate", "toru" and "zai": literally "longitudinally passing material".
So were very close.
Selected response from:

Thomas Blasejewicz
Japan
Local time: 00:46
Grading comment
"Longeron" seems to be the best option
2 KudoZ points were awarded for this answer



Summary of answers provided
nalongeron
Thomas Blasejewicz
naI'll second "longitudinal"
Maynard Hogg
naLongeron
Hiroko Albrecht
naLongitudinalS
Timothy Takemoto
naI still recon its longitudinals
Timothy Takemoto


  

Answers


1 hr
longeron


Explanation:
one of the longitudinal members used building ships (airplanes etc.), German: Holm
characters: "tate", "toru" and "zai": literally "longitudinally passing material".
So were very close.

Thomas Blasejewicz
Japan
Local time: 00:46
Native speaker of: Native in GermanGerman
PRO pts in pair: 33
Grading comment
"Longeron" seems to be the best option
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2 hrs
I'll second "longitudinal"


Explanation:
That interpretation fits in perfectly with the four hits that I found on goo--all to do with welding, note.

Maynard Hogg
Canada
Local time: 08:46
Native speaker of: English
PRO pts in pair: 478
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11 hrs
Longeron


Explanation:
I believe "ronji" is short for "longeron," which is "a main longetudinal brace or support on an airplane."


Hiroko Albrecht
United States
Local time: 11:46
Native speaker of: Native in JapaneseJapanese
PRO pts in pair: 50
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16 hrs
LongitudinalS


Explanation:
We seem to be almost there but no one has completely answered your question,
particularly with regard to the "材" (zai).

I don't know about German, or the etymology of this word but we don't use "Longeron" about the structure of ships in English. So for ロンジ "ronji", I third "longitudinal," as in the following definition

Longitudinals. Fore-and-aft structural members attached to the underside of decks, flats, or to the inner bottom, or on the inboard side of the shell plating, in association with widely spaced transverses, in the longitudinal framing system.
(From "Naval Architecture For Non-Naval Architects at
http://www-personal.engin.umich.edu/‾parsons/publishedna470/j_k_l.htm)

In case there is any doubt, this use of ロンジ to mean "longitudinal" can be found in the following online paper on how to make crack free ships ( with diagrams) at
http://lib1.nippon-foundation.or.jp/1996/0298/mokuji.htm
particularly
http://lib1.nippon-foundation.or.jp/1996/0298/contents/025.h...
Another example, with ロンジ being mistaken for English "Lonji", can be found in the explanation of this ship CAD software
http://www.naoe.t.u-tokyo.ac.jp/‾t60394/Smalltalk/report.html#ch1
particularly
http://www.naoe.t.u-tokyo.ac.jp/‾t60394/Smalltalk/ch7.html

At first I thought that the "zai" could be translated straightforwardly as "material." 
An example of the phrase "longitudinal material" with reference to boats can be found at
http://www.eagle.org/safehull/papers/xsection.html
I think that this is a possible translation but, I am not convinced, lacking
more instances of this phrase on the Internet.

So....I think that the addition of the "zai" is effectively a pluralization. "Ronji" can
refer to one longitudinal, but Ronji-zai to the "Longitudinal stuff", the "longitudual
system", the "longitudinal framing", ie the "LongitudinalS".

Uses of Ronji-zai which conform to this interpretation can be found at
http://lib1.nippon-foundation.or.jp/1996/0298/contents/034.h...
http://lib1.nippon-foundation.or.jp/1996/0292/contents/020.h...
The second page includes ロンジ材間 which I interpret to mean
"between longitudinals".

I have found no instance of ロンジ材, ronjizai refering to the *material*
of the longitudinals.


    Reference: http://lib1.nippon-foundation.or.jp/1996/0298/contents/034.h...
    Reference: http://lib1.nippon-foundation.or.jp/1996/0292/contents/020.h...
Timothy Takemoto
Local time: 00:46
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 65
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6 days
I still recon its longitudinals


Explanation:
I have searched the Internet for a while and still do not find any mention of "longeron(s)" with reference to nautical ships. Kites, Planes and space-shuttles yes. Perhaps our Asker is reffering to space ship-building? And perhaps I'm just a bad loser :-(
Sorry
Tim


Timothy Takemoto
Local time: 00:46
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 65
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