Outdoor Flasks

Performance and efficiency data
1. Ice-cubes : Each flask filled with ice-cubes, lid on.
MODEL RESULT
S1 After 3 days (72 hours) - 50% cubes remain
S2 After 4 days (96 hours) - 50% cubes remain
S3 After 6 days (144 hours) - 50% cubes remain*
* Remaining cubes strained through seive and volume measured.


2. Hot water, coffee / hot soup : each flask 90% filled, lid on.

Graph showing actual measured temperature of contents vs time.