Скачать или смотреть Ruining vintage ax profiles w DIY sharpening jigs

Recent vids don't take basic geometrical requirements into consideration. For some axes, ignorance of the geometry involved can severely alter the head's intended bit profile. US Forest Service references are below:

Beckley, B. 2019. One Moving Part: The Forest Service Ax Manual. 1823 2812P. Missoula, MT: U.S. Department of Agriculture, Forest Service, National Technology and Development Program. 234 p. https://www.fs.usda.gov/t-d/php/libra...

Michael, David E., Trails Program Manager, Tahoe National Forest, and Mary Ann Davies, Project Leader. Modified Belt Sander Sharpens Axes and Pulaskis. USDA Forest Service
Missoula Technology and Development Center, December 2008. https://www.fs.usda.gov/t-d/pubs/html...

Weisgerber, Bernie. An Ax to Grind: A Practical Ax Manual. U.S. Department of Agriculture Technology & Development Center. Missoula, MT: USDA, U.S. Forest Service, Technology and Development Program, eBook. 1999. https://www.fs.usda.gov/t-d/pubs/pdfp...