Repair a warped record?


I found a really great 'demo' record...the sonics are great on it, and there's only one song per side...but the edge of it is warped so badly the stylus jumps.

Anyone ever straighten one out with heat? Pressing? What's the technique, if any?
jbatlanta
Supposedly, the technique is to press the record between two impeccably clean sheets of glass (weighted, I guess) and then heat it gradually in the oven and cool gradually. I do not know the heat but would guess I would start @ 200 and see if it worked. I would experiment with a warped thrift shop record first. What you describe, however, sounds like a pinch warp and might be very difficult to remove. Good luck.
Swampwalker is correct, and there have been other methods mentioned in previous threads...all good. Do a search in the archives.
200 degrees is TOO HIGH!!!
The recommended temp tossed around is 125 degrees F.
The way to get this low a temp is with lightbulbs stuck over and under the LP in the oven.
Need a temp guage, (a fine one is to get those computer ones LCD remote probe, battery operated.
Finding good glass is tough.
And heat and cool gradually.
Another person uses the car. Put the item sandwich in the car on a warm sunny day. leave until evening and it is cooled off. works too. The big thing is the thick glass, 1/4 to 3/8 inches.
Air Tight is coming out with a record flattener device. Not sure how well it works or anything, but the construction looks top notch and it sure seems like a great idea...

Took a picture of it at CES 2004:

http://www.audiofederation.com/catalog/show-reports/CES-January-2004/day3/record-flattener.jpg

Enjoy!
-Mike.