Amazing aviation technology, details on the 2,100 mph Blackbird. Titanium skin friction temp reached 1,200 degrees at 80k’. May 20, 2018 7:29 am by IWB At 2,100 mph 80% of the thrust came from the ram air bypassing the compressor ducted straight into the combustors. We are primarily funded by readers. Please subscribe and donate to support us! h/t DGN Views: