How to build a 2x72 Belt Grinder (from salvaged materials)

Trick-Tools Versa-Mount Heavy-Duty Vise and Grinder Floor Pedestal, Made in the USA

1" x 30" Belt Sander Bench Grinder with 60/800 Grits Sanding Belts, Desktop Belt Knife Sharpener Belt Sander Polisher Sharpener Grinder - DC Brushless Motor Polishing Machine 550W 110V (US Stock)

SuperHandy Gas Stump Grinder 9HP Engine - Direct Belt Drive, 12-inch Cutting Performance, 6 Carbide Teeth - Compact & Lightweight

Bucktool Combo 2" x 42" Belt Sander 6" Bench Grinder, Knife Sharpener with Large Work Table BG2600 Upgraded Model