Hydrostatic testing with LN of test tank article SN 7.1 scheduled for this Thursday, destructive burst strength, seeking to exceed the design specification of 8.5 bar. SN 8 is outfitted with tanks constructed of the same speciality stainless alloy. SN 8 flight relies on SN7.1 having sufficiently good results.
SN 8 initial static fire testing is scheduled for a primary date of September 20th. A second firing with a flight-test fuel loading should follow within days of 20Sept.2020. Test flight would closely follow this test if all checks out with the vehicle.