I don't think Richard meant fast, infact, slow.....lllllllll.......yyyyyy is very helpful. We have modified 2 of our Studer B67 to be low friction machines and that has helped alot. I can send pics when I get back to work in the morning. I rarely use the isopropyl drip machine now because of these 2 . They do a grand job. Cheers Marie On Wed, Dec 16, 2009 at 8:17 PM, Shai Drori <[log in to unmask]> wrote: > It's sad to hear Peter passed away. His knowledge was extensive and his > humor was in the best British tradition. I wonder if I have a picture of the > thing somewhere. BTW, I didn't think about playing squealing tapes fast, > that's a good idea, Thanks Richard. I'll try it next time a tape comes in > that does that. I didn't think about it before but I now realize that all > the tapes that squealed were 3.75ips. > Shai > > > Mark Campbell wrote: > >> Please tell us more about the "grandfather clock" tape recovery machine. >> >> Mark >> -----Original Message----- >> From: Association for Recorded Sound Discussion List >> [mailto:[log in to unmask]] On Behalf Of Shai Drori >> Sent: Wednesday, 16 December 2009 8:12 AM >> To: [log in to unmask] >> Subject: Re: [ARSCLIST] Tape Shed-Sticking & stripping >> >> This reminds me of the "grandfather clock" thingamajig I saw at the >> British library. It is a large board with rollers that the tape goes >> through making a serpentine. The tape travels very slowly and can be >> heated or chilled as needed. They made this for some agfa tapes that >> stuck. I have never had a 3m 176 make trouble but this sounds like many >> 50's 60's tapes I transfered that were of American origin. One squealed >> so bad we had to soak it with silicone. I am wondering it there is a >> benefit to slow winding under a cold air blast, like an air conditioning >> duct pointing at the transport. My a/c/ has a setting for drying the >> air. Very cold air forced out and the rh drops very fast.. >> Shai >> >> Richard L. Hess wrote: >> >> >>> Hi, Martin, >>> >>> This is very problematic, and I do NOT think baking is a good idea. >>> >>> There is a CHANCE that month-long cold soak in a desiccated atmosphere >>> >>> >> >> >> >>> (silica gel inside double freezer (or foil) Zip-Loc bags in the fridge >>> >>> >> >> >> >>> (not freezer)). >>> >>> It has worked for some 3M 176 that showed this symptom. It has also not >>> worked for other tapes. Jim Wheeler gave me this technique. I don't know his >>> source. I haven't used it much. >>> >>> The other thing to try is VERY slow unwinding - 1.88 in/s or slower. >>> Sometimes that alone helps. >>> >>> The tape in the photo was baked based on a consensus of the people at the >>> seminar (including the tape owner) because we didn't have time for >>> >>> >> >> >> >>> cold soak and we wanted to see what would work (or not). >>> >>> Since that article, I have had good results with 3M201 which had the same >>> problem and the 1.88 in/s wind-through solved it. >>> >>> Good luck! >>> >>> Cheers, >>> >>> Richard >>> >>> At 12:34 PM 2009-12-15, Martin Fisher wrote: >>> >>> >>>> Got a polyester/plastic non-backcoated reel in which the binder is >>>> stripping off onto the adjacent wind. AKA "binder adhesion to back of next >>>> layer" on Richard Hess' site. >>>> >>>> http://richardhess.com/notes/2006/05/26/binder-adhesion-to-back-of-ne >>>> xt-layer/ >>>> >>>> >>>> Might baking be a solution for this? >>>> >>>> Martin >>>> >>>> >>> Richard L. Hess email: [log in to unmask] >>> Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX >>> Detailed contact information: >>> http://www.richardhess.com/tape/contact.htm >>> Quality tape transfers -- even from hard-to-play tapes. >>> >>> >> >> >> >