In 20 years of service in Cannon Artillery units; 105mm, 155mm and 8"/203mm and having a few carriages re-tubed I never heard anything about any relining of shot out tubes. I don't think it was ever done.
Reference the Military Discounts at Lowes and Home Depot, check the fine print. Lowes and Home Depot are somewhat two faced. The last time I checked, a couple of months ago, Appliances and Construction Materials are now excluded from the Military Discount.
There may be other methods but, I think you need to learn how to use a dial indicator and use it if you expect to get the knives set uniformly to equally share the cutting. and leave less rippling.
Which is bogging down, the cutter head rpm's or the rate of feed for the wood? If the cutter head...
Similar to an Artillery Gunner's Quadrant, but not one. Degrees and minutes have not been use to lay (point) artillery for indirect fire since before WWI. As stated earlier, likely an instrument to measure incline.
This is now a little late but, since this thread is already sideways I have a few comments, not related to Thermite, but about the Vietnam Vets. I will not use the language I would like. Any politics aside their treatment was abysmal.
Vietnam Vets returning, spit on or not, were treated with...
At least you got a blacksmith cone out of the deal despite a lot of banter.
If you care it was most likely a Naval 6"/47 projectile that made its way inland. The M1897 turn of the century 6" era projectiles used a different fuze thread diameter and different threads per inch, 1.7"...
It could also be a 6"/47 Naval Gun High Capacity (HC) or other 6"/47 projectile. They are about that length fuzed and use the more current type fuzes. All turn of the century/WWI fuzes I have seen were shorter and had a much more rounded business end appearance.
No Classified Information request, I just did not want to clutter up the Forum, But, I guess I will in the quest for information.
I want to remove the graduated knob/handwheel on a Gaertner Linear Slide, clean up and lube project. I got the crank piece off, no problem. However, the...
Military inoculation mandate: Washington Inoculates an Army | American Battlefield Trust. The process was not highly tested.
Also, by today's process, how highly tested was the polio vaccine, I remember when crutches, braces, wheel chairs and iron lungs were not uncommon.
I wish I could buy...