Big jb-weld diamond coring bit workshop fabricobblin’ fun!
I want a big hole in stone, but I don't want to spend $400 on a coring bit. I got…
Boltr: air hammer ingersoll rand
NEW T-SHIRT! https://teespring.com/cockford-ollie-wht We have an inside look at the nasty bits of Ingersoll Rand air chisel. It looks good…
Boltr redux: yeti how it works enginerding stainless steel
*NEW T-SHIRT!* https://teespring.com/cockford-ollie-wht_US Errata: Strain in austenitic 304 causes martensite formation NOT ferrite. Both M & F are magnetic. It…
Biolite stove skookumfactin’ i did not break the stove!
Happy Labour Day! I fixed the stove that I didn't break. I also show how to improve it. The animation…
Boltr: biolite stove camping gear
Biolite campstove and charger. Does it work? Yes. Is it heavy? Yes. Will it last? No. Not as reliable as…
Steel – quenching it hard! enginerding 101
Brief explanation of how quenching works. I explain with a phase diagram how Austenite, Ferrite, Cementite, Pearlite and Martensite form…
Boltr: dirty secrets of harbor freight hercules better than dewalt?
We cut the BS surrounding the lithium Hercules drill from Harbor Freight. The marketing claims it's better than DeWalt. It…
Cheater tap chart
Get 'em here. https://www.etsy.com/ca/listing/539599998/ave-tap-chart-cheater?ref=listings_manager_grid
Laser cubiio debunked!
*UPDATE* THIS IS A CLASS 4 Laser and will not be permitted for import into most countries in it's current…
How to survive a solar eclipse! bugout gear
Ever feel like stuff gets over-hyped just to sell survival gear and commemorative face tattoos? Behold the underwhelming SOLAR ECLIPSE…