I am on the lookout for a discarded microwave oven and have viewed YouTube videos on rewinding them. I didn't learn anything I didn't already know but it was encouraging to see the current level of activity. I have also viewed videos on silver soldering blades and have tried just about every technique described. I have made fixtures for grinding the scarf joint, holding the blade ends for soldering and using both wire solder and strip solder of several different brands. The best results were with low melting point, (430 deg F) solder which would not affect the hardness of the blade. I even rigged a test fixture for measuring the strength of the joint of test pieces. All withstood a tension of 400 lbs and some up to 675 lb.,( the maximum I could measure). I spent a lot of time on this and I've pretty much given up on it. If I can find a microwave oven transformer that will be my next move. I'll post results.?
