Vacuum Panels and Gel: Cutting Mass Without Losing Hold Time
VIP boxes cut gel mass 30-40 percent, not 60. Why a punctured panel looks fine, how edges halve the R-value, and when the payback actually works.
Nine Litres, Thirty-Four Hours Airborne: Sizing Gel to Box Volume
How to size gel mass per box for 30-40 hour air lanes: the heat-load sum, the 0.45-0.55 kg/L starting ratio, and the three cases where the ratio fails.
