Turbine Fluid Drive — An Innovation for Film-Processing Machines

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Little has been done in the past 35 years to improve the conventional transport devices for film-processing machines; these devices are the sprocket drive and the various types of tendency drives, including electric clutch, felt disc clutch and bottom-roller drives. Recently, a new method for transporting film — Turbine Fluid Drive — has been used to equip a negative processing machine. These drive units are incomplex and comparatively small: 4 in. in diameter and 5 in. long. The drive functions with a fluid action. The ratio between film being fed into the machine vs. the constant 12% to 16% overdrive of the driven roller results in a progressive, smooth pull. Film is processed at speeds in excess of 300 ft/min, and the turbine unit requires no replacement of parts and little or no maintenance.
Publication Date: 1967-09-01
DOI: 10.5594/J10950
Link: https://doi.org/10.5594/J10950
Author(s): Everett L. Hanson

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Everett L. Hanson; Turbine Fluid Drive — An Innovation for Film-Processing Machines, Journal of the SMPTE ( Volume: 76, Issue: 9, September 1967); SMPTE, 1967. Available at https://doi.org/10.5594/J10950

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Everett L. Hanson; Turbine Fluid Drive — An Innovation for Film-Processing Machines, Journal of the SMPTE ( Volume: 76, Issue: 9, September 1967); SMPTE, 1967. Available at https://doi.org/10.5594/J10950

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<span class="citation">Everett L. Hanson; <cite>Turbine Fluid Drive — An Innovation for Film-Processing Machines</cite>, Journal of the SMPTE ( Volume: 76, Issue: 9, September 1967); SMPTE, 1967. Available at <a href="https://doi.org/10.5594/J10950" target="_blank" rel="noopener">https://doi.org/10.5594/J10950</a></span>

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Everett L. Hanson; Turbine Fluid Drive — An Innovation for Film-Processing Machines, Journal of the SMPTE ( Volume: 76, Issue: 9, September 1967); SMPTE, 1967
doi: 10.5594/J10950
url: https://doi.org/10.5594/J10950

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<li>
Everett L. Hanson; <cite id="bib-10-5594-j10950">Turbine Fluid Drive — An Innovation for Film-Processing Machines</cite>, Journal of the SMPTE ( Volume: 76, Issue: 9, September 1967); SMPTE, 1967
<span class="doi">10.5594/J10950</span>
</li>