my profile | my password | search | faq & rules | forum home

» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Simplex soundhead wow

Author Topic: Simplex soundhead wow Robert Throop Master Film Handler Posts: 412 From: Vernon, NY USA Registered: Jun 99 posted 10-17-2003 02:14 PM                     This is a new one on me. A Simplex XL SH 1020 soundhead had a horrible wow. My first thought was the scanner shaft bearings. As I removed the rotary stabilizer flywheel to change the bearings, I could feel a rattle inside. I didn't have another flywheel with me so I proceeded to change the bearings and of course the wow was as bad as ever. The next day I changed the flywheel and everything was fine. Has anyone else had this happen?  |  IP: Logged Richard Fowler Film God Posts: 2392 From: Ft. Lauderdale, FL, USA Registered: Jun 2001 posted 10-17-2003 02:59 PM                     The interior of the SH 1000 / 1020 flywheel is another smaller flywheel in a heavy lubricant with a exposed ball bearing raceway, this for a dampening effect....dryed out lubricant and loose bearing will give you plenty of wow.  |  IP: Logged Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 10-17-2003 05:12 PM                     I agree with Richard. Chances are, all the oil leaked out over the years. It is probably quite gross inside. But they can be dismantled and serviced.  |  IP: Logged Jeff Stricker Master Film Handler Posts: 481 From: Calumet, Mi USA Registered: Nov 1999 posted 10-17-2003 05:22 PM                     Paul, I'm wondering how you would dismantle the stabilizer? Seems like you would need a can opener to get it apart making it virtually impossible to get it back together after repairs. Jeff  |  IP: Logged Paul G. Thompson The Weenie Man Posts: 4718 From: Mount Vernon WA USA Registered: Nov 2000 posted 10-17-2003 09:37 PM                     Jeff, RCA - yes. You would need a huge can opener. On the SH-1000, there is a zillion screws on the flange. Inside there is a huge bearing. and a rotor. Josh took one apart from a SH-1000 I gave him, and he sent me some pictures of it. Here is a picture Josh sent me on the stabilizer:  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 10-18-2003 12:25 PM                     Sometimes a bit of dirt would get in there between the two flywheels and create the wierdest form of flutter One of my freind who worked for western reffered to it as whiskers and in some of the old altec notes was references to that  |  IP: Logged

All times are Central (GMT -6:00)

Printer-friendly view of this topic

Hop To: Select a Forum: Category: Operations -------------------- Digital Cinema Forum Film Handlers' Forum Large Format Forum Ground Level Feature Info, Trailer Attachments & REAL Credit Offsets Category: Community -------------------- Film-Yak Film Handlers' Movie Reviews The Afterlife Bob Maar's Joke-A-Thon Category: Classified -------------------- Equipment and Supplies Wanted/For Sale Help Wanted/Seeking Employment Category: System -------------------- Software Beta Testing Forum

The Film-Tech Forums are designed for various members related to the cinema industry to express their opinions, viewpoints and testimonials on various products, services and events based upon speculation, personal knowledge and factual information through use, therefore all views represented here allow no liability upon the publishers of this web site and the owners of said views assume no liability for any ill will resulting from these postings. The posts made here are for educational as well as entertainment purposes and as such anyone viewing this portion of the website must accept these views as statements of the author of that opinion and agrees to release the authors from any and all liability.