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Author
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Topic: Bolex 715 views etc
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Maurizio Di Cintio
Jedi Master Film Handler
Posts: 977
From: Ortona, Italy
Registered: Jan 2004
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posted February 09, 2014 01:24 PM
It is the same design as Eumig's earlier Series 900, which means side by side spools and NO upper sprocket.
Noise: just a tad noisier than later 900 models (those with upper sprocket) because of the long film stretch running from supply spool to the feeding inlet chute (film tends to oscillate quite a bit) but personally I don't find it annoying.
Performance wise this design leaves something to desire in comparison to the later models especially if you use spools bigger than 400': you get a "flywheel effect" about the last 10 meters of film or so whereby the claw (double toothed) tends to yank the film out rather than pulling it from the spool. When it starts acting like this, after the initial yank some more film than needed is pulled out and, because the claw now feeds from this supply, the feeding spool stops turning. When the reservoir is over, the film is yanked again, and that goes until the end of the last meters. On screen this translates in intermittant unsteadyness lasting about a second. The bigger the spool, the bigger the problem: in fact it's virtually non-existant with 400' spools or smaller, and everything runs smooth with 200' and 50' of course thanks to their lower momentum. So I'd suggest this machine and its siblings only for shorts or checking films just back from lab on their 50' spools.
In general terms the image is really rock steady, probably the best you can get in Super 8. And the machine itself, apart from what I described above, is very gentle on film, my S 926 never scratched anything, selfloading is perfect and if there is a jam, film protrudes from a small aperture right below the lens so the film leader is not damaged. The coax-spool design with the mono sprocket assembly is the only (not-so-negligible) real flaw in the design of this otherwise excellent range of projectors. And if you really feel uncomfortable with it, go for one of the later models from Eumig (932 and up).
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Maurizio
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