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Author Topic: Hours per Platter Blake Zaugg Film Handler Posts: 57 From: Lafayette, LA Registered: Sep 2002 posted 07-18-2007 11:45 PM                     An employee asked me today, how many hours of film could fit on one platter? Anyone know the answer?  |  IP: Logged Dustin Mitchell Phenomenal Film Handler Posts: 1865 From: Mondovi, WI, USA Registered: Mar 2000 posted 07-19-2007 12:22 AM                     Depends on the platter. I believe you standard Strong/Christie platter will hold 4 1/2 hours of film to the edge-though I wouldn't run that much without a safety ring or something.  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 07-19-2007 03:29 AM                     Drive-In (SPECO) LP-270 platters were just that: 270 minutes of film sitting on that "K-MART Blue Light picnic table" unit. ...translating into the 4.5hrs of film being of 52inch decks. -Monte  |  IP: Logged Timothy Eiler Expert Film Handler Posts: 126 From: Litchfield , Minnesota, USA Registered: Mar 2000 posted 07-19-2007 08:14 AM                        I always run double features and Right now I have 4.75 hour of film on one red lp-270 deck. And have run this combo on a strong platter. This Friday i will have Ratatouille 116 min Pirates of the Caribbean 168 min. Plus 15 min of Come to the snack bar. For a total of 299 min And I am not worrying about it fitting on either platter when i do move it.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 07-19-2007 10:17 AM                        Estar film is not as thick as acetate. I believe a reduction of 30% was made a year or so after its introduction. Therefore the LP-270 could possibly hold much more. Louis  |  IP: Logged Dave Macaulay Film God Posts: 2321 From: Toronto, Canada Registered: Apr 2001 posted 07-19-2007 10:39 AM                     There's a formula: Film length in feet =(pi((D2**2)-(D1**2)))/48*Tf D2 - Outer diameter, inches D1 - Inner (core) diameter, inches Tf - Film thickness, inches (the 48 is a constant to get things working in feet and inches) 35mm film runs 90 feet/minute so length/90 gives minutes. Film thickness is about 0.0055" for estar prints, acetate prints are thicker (this is why old reel "minutes" markings are always too short a time with new estar prints). For example, a Strong/Alpha platter with 13" core and a 53" roll (pretty full 54" platter) holds 32,632 feet or 362 minutes - 6 hours! That sounds a bit long, but I've never filled a 54" platter to the rim to check...  |  IP: Logged

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