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Author Topic: Christie Platter Tachometer Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 04-02-2003 05:08 PM                     Hold the little rubber tire against the edge of the platter and measure the speed while adjusting (multiply reading x2)... Detail view of the face. Note that there are two sets of numbers (white-on-black and black-on-white) -- this allows you to take measurements in either direction. Brad -- I've shown you mine; now you show me yours!  |  IP: Logged Will Kutler Phenomenal Film Handler Posts: 1506 From: Tucson, AZ, USA Registered: Feb 2001 posted 04-02-2003 06:06 PM                     There were a few times when I wished that I had one of those, as counting the reves by eye when timing is a real pain! How much do these cost? Are they universal for use on a variety of different manufacturer's products, or made for a particular unit? If they are universal, are there different size tires to compensate for different diameter platter decks?  |  IP: Logged John Walsh Film God Posts: 2490 From: Connecticut, USA, Earth, Milky Way Registered: Oct 1999 posted 04-02-2003 06:58 PM                     It's a good idea; I use an electronic tach from Extech.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 04-02-2003 07:17 PM                     I've tried both the Christie Tach and a Digital Tach....and sttled on the Christie Tach as its alot less time consuming. Doesn't even take a full revolution of the platter to get the reading....as a bonus I've made an adaptor for it to monitor the revs of my cars engine ...something SW was king of years back..... Mark  |  IP: Logged Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 04-02-2003 10:28 PM                     I will check on the price. I'm not sure how much difference there would be from one platter system to another -- full size ones, that is. The diameter of a platter disc is not a standardized thing?  |  IP: Logged

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