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This topic comprises 3 pages: 1 2 3
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Author
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Topic: Simplex PR 1050 Gate/Trap Tension
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John Hawkinson
Film God

Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002
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posted 08-21-2005 12:09 PM
Wellllll, Monte.
"Which ones are acceptable versus which are not are driven by accepted practice and convention."
and then:
"and I get chewed out for using INT for intermittent (lol)"
That's because most people don't understand your TLAs (Three Letter Abbreviations); they aren't commonplace, and are often inscrutable, especially for new Film-Tech participants who are trying to learn.
I think using INT, CHR, etc., is a bad idea, and I do wish you would spell out the word; it's not as if they are really long multi-word polysyllabic behemoths. It makes FT (Film-Tech!) a lot friendlier to use the spelled-out words.
--jhawk
p.s.: Gordon, right you are! How could I have forgotten the new RP 40 edition? Shocking!
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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999
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posted 08-21-2005 12:45 PM
In truth, I also find the 3-letter abbreviations annoying or the other oddity...MIL2000...it is a PR-2000 or Millenium...even in the 3-letter world it would just be MIL (too close to Mil-spec, I guess).
Now there are other common place abbreviations that have been used since ASCII or text messaging has been around...things like LOL (laughing out Loud), IIRC (If I Recall Correctly) that I will conceed have been in use by non industry people since before the WWW (World Wide Web). They tend to be expressions or sayings rather than a contraction of a proper name.
Often, just a model number is sufficient...does the AW3 conjur up anything in this forum other than Christie platter by that name? If it did share a name with a common piece, then I can see adding the manufacturer to the name.
In the case of 2000...there can be MANY...Just from Simplex there is the PR2000 and the TU2000. However, the PR and TU pretty much narrows down the field.
Back on the first level of off topic...the RP40...it is not proper to call the film by that name. The Document is RP40 without a date...the date denotes the latest revision...if one were to quote a statement off the document, as John P just might...then it is proper to denote the revision since anything that is revised may have changed since the last revision and what was correct in yesteryear may no longer be the case. The test film described in RP40 is called 35-PA...you can't order RP40 from SMPTE (without just getting a paper describing the test film) but your can order 35-PA or 35-IQ.
The problem wiht the target was that it contained (and It probably still does, I can't recall) the "RP-40" name on the target...making the mistaken name very easy to understand. Since the same target is used for IQ as PA, it would not be possible to have the designation change. It also would drive cost way up to change targets and then recheck accuracy (waste film and time).
In any event, 35PA with BH-1866 is a poor target to use to set gate tension, or depth in motion picture projectors. It is best used for measuring resolution and projected image (including shutter ghost). Will gate depth affect resolution across the image, quite possibly but it still isn't the best/only method.
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