Pietenpol Air Camper Build #14 - Mixing System Three T-88 by Weight

My method for mixing System Three T-88 Epoxy by weight vs volume. Building a plane in my garage. What could possibly go wrong.
Links to my Tools & Misc -
Pietenpol plans: www.pietenpola...
System Three T-88: amzn.to/32n1E8M
Japanese Dozuki: amzn.to/3qkygZj
Belt and 6 in. Disc Sander: amzn.to/3Jlsy23
Ryobi Lion Router: amzn.to/30Mispc
Legs of my Workbench: amzn.to/3H0TUIC
My 6" Vice: amzn.to/3H2ttSN
Lighting in Workshop: amzn.to/3qjFAnK
Tabletop clamps: amzn.to/3yVbNWr
LAKA Industrial Sheet Metal Shear: amzn.to/3qjOFNx
6" Vice Jaws Pads Covers : amzn.to/3H6oBMm
Positioning Squares: amzn.to/30RmpZY/
Dead Blow Hammers: amzn.to/32jghKh