2. Structure of Flame Balls At Low Lewis- number (SOFBALL): Movies from the STS- 83 & STS-94 Space Flight Experiments 4.0% H 2 in air, 1 atm 5.2% H 2 -10.4%O 2 - 84.4% CO 2, 1 atm 6.8% H 2 -13.5%O 2 - 79.7% SF 6, 1 atm 3.85% H 2 in air, 1 atm (lo quality) 4.9% H 2 -9.8%O 2 - 85.3% CO 2, 1 atm 6.8% H 2 -13.5%O 2 - 79.7% SF 6, 1 atm 3.70% H 2 in air, 1 atm 4.9% H 2 -9.8%O 2 - 85.3% CO 2, 1 atm 6.6% H 2 -13.2%O 2 - 80.2% SF 6, 1 atm 3.70% H 2 in air, 1 atm 4.6% H 2 -9.2%O 2 - 86.2% CO 2, 1 atm 6.5% H 2 -13.0%O 2 - 80.5% SF 6, 1 atm 3.57% H 2 in air, 1 atm 4.6% H 2 -9.2%O 2 - 86.2% CO 2, 1 atm 7.0% H 2 -14.0%O 2 - 79.0% SF 6, 3 atm 5.2% H 2 -10.4%O 2 - 84.4% CO 2, 1 atm 7.0% H 2 -14.0%O 2 - 79.0% SF 6, 1 atm 6.5% H 2 -13.0%O 2 - 80.5% SF 6, 3 atm Click on any picture to select movie

3. Click on picture to start movie. Click on button at right to return to main menu. 4.0% H 2 -air; 1 atm total pressure STS-94/MSL-1R; 223 seconds total elapsed time

4. Click on picture to start movie. Click on button at right to return to main menu. 3.85% H 2 in air; 1 atm total pressure STS-83/MSL-1; 320 seconds total elapsed time

5. Click on picture to start movie. Click on button at right to return to main menu. 3.70% H 2 in air; 1 atm total pressure STS-94/MSL-1R; 372 seconds total elapsed time

6. Click on picture to start movie. Click on button at right to return to main menu. 3.70% H 2 in air; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

7. Click on picture to start movie. Click on button at right to return to main menu. 3.57% H 2 in air; 1 atm total pressure STS-94/MSL-1R; 382 seconds total elapsed time

8. Click on picture to start movie. Click on button at right to return to main menu. 5.2% H 2 - 10.4% O 2 - 84.4% CO 2 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

9. Click on picture to start movie. Click on button at right to return to main menu. 5.2% H 2 - 10.4% O 2 - 84.4% CO 2 ; 1 atm total pressure (reburn of previous test); 500 seconds total elapsed time

10. Click on picture to start movie. Click on button at right to return to main menu. 4.9% H 2 - 9.8% O 2 - 85.3% CO 2 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

11. Click on picture to start movie. Click on button at right to return to main menu. 4.9% H 2 - 9.8% O 2 - 85.3% CO 2 ; 1 atm total pressure STS-83/MSL-1; 500 seconds total elapsed time

12. Click on picture to start movie. Click on button at right to return to main menu. 4.6% H 2 - 9.2% O 2 - 86.2% CO 2 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

13. Click on picture to start movie. Click on button at right to return to main menu. 4.6% H 2 - 9.2% O 2 - 86.2% CO 2 ; 1 atm total pressure (reburn of previous test); 500 seconds total elapsed time

14. Click on picture to start movie. Click on button at right to return to main menu. 7.0% H 2 - 14.0% O 2 - 79.0% SF 6 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

15. Click on picture to start movie. Click on button at right to return to main menu. 6.75% H 2 - 13.5% O 2 - 79.75% SF 6 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

16. Click on picture to start movie. Click on button at right to return to main menu. 6.75% H 2 - 13.5% O 2 - 79.75% SF 6 ; 1 atm total pressure (reburn of previous test); 500 seconds total elapsed time

17. Click on picture to start movie. Click on button at right to return to main menu. 6.6% H 2 - 13.2% O 2 - 80.2% SF 6 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

18. Click on picture to start movie. Click on button at right to return to main menu. 6.5% H 2 - 13.0% O 2 - 80.5% SF 6 ; 1 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

19. Click on picture to start movie. Click on button at right to return to main menu. 7.0% H 2 - 14.0% O 2 - 79.0% SF 6 ; 3 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time

20. Click on picture to start movie. Click on button at right to return to main menu. 6.6% H 2 - 13.2% O 2 - 80.2% SF 6 ; 3 atm total pressure STS-94/MSL-1R; 500 seconds total elapsed time