Great information Steve, thanx for sending it to me! I can now see a couple of points that address potential problems I had with my bending attempt.
Mainly that I believe based on the information you sent the main culprit is the walnut type (american black?) used in the TC Renegade stock, as it is hard to bend at all.
I like the fixture, although it would have to modified to deal with bending the stock down (versus up ) in the case of the too high heel of the TC stock.
I did use mineral oil , but wrapped the stock wrist in a towel and kept it wet by applying oil, but perhaps held the lamps probably closer than I should have.
When its all said and done, I am pretty sure the TC stock is black walnut, but I do not know for sure. And I feel this may well be the downfall of my little experiment .
According to the article, "black" (American?) walnut may not bend at all (or very little)... mine bent about 3/8 inch max over several hours of trying. Mite be a word to the wise ... or I just got a hard piece that refused to bend! Who knows?
Best regards and thanx again for the information.
Davy