TEST 1
- 6" CUTOUTS BOTH O-RINGS, 1/2" WIDE PUTTY FAULT ALIGNED WITH O-RING FAULTS. .040" EXTRUSION GAP, 20 SECOND BURN, 70°F.
- BURNTHROUGH OF TANG NEAR PRIMARY O-RING AT 6 SEC.
TEST 2
- SAME AS TEST 1 EXCEPT 1/8" CUTOUTS BOTH O-RINGS (ABOUT 1/16" AFTER ASSEMBLY).
- BURNED 20 SEC. WITHOUT VISIBLE LEAKAGE/SOOT BETWEEN O-RINGS/GAP IN PRIMARY O-RING FILLED WITH COMBUSTION RESIDUE.
TEST 3
- SAME AS TEST 1 EXCEPT BOTH O-RINGS GROUND DOWN FROM .28.0 TO .200 DIAMETER FOR ABOUT 3/16" LENGTH.
- BURNTHROUGH OF TANG NEAR FAULT IN PRIMARY O-RING AT 12 SEC.