How about starting a tool tech thread or sticky.............

[MP&C]

Made a trip to Long Island to pick up a "new" shrinker-stretcher for the shop, this originally came out of a Northrup Grumman aircraft plant on LI. Here's the unloading device ....



....and located in the shop, anchors installed to keep it from moving.





To show a couple test samples, we'll use about a 4" long piece with 1" flanges. The result shown is after about 4 passes, with a close up to show the "finish" result.







Shown against a roll of tape to compare the radius size we've accomplished..



Here's a closer shot to show the stippling on the shrinker jaw....



.....and the shrinking sample....







These Lancasters are what it will be replacing....

[SpiderGearsMan]

tools of the F14 Tomcat