Pratt & Whitney J58

SR-71 Mechanic explains how you could light the Blackbird’s afterburners if TEB (Triethylborane) wasn’t available

SR-71 Mechanic explains how you could light the Blackbird’s afterburners if TEB (Triethylborane) wasn’t available

The SR-71 Blackbird In the 1960’s, the US Air Force (USAF) developed the SR-71 Blackbird, a plane that could travel… Read More

4 months ago

Not only JP-7: the SR-71 could use JP-4 and JP-5 as emergency fuels but they both limited the Blackbird top speed to Mach 1.5

The SR-71 Blackbird was the first aircraft to use its own fuel for hydraulic fluid. It was called the fuel… Read More

8 months ago

Here’s why the SR-71 inlets had to be labeled “L” and “R” and why the Blackbird had engine and afterburner fuel control cable pulleys

The SR-71 engineering was so cutting edge that even the tools to build the Blackbird needed to be designed from… Read More

9 months ago

Here’s why producing thousand gallons of JP-7 fuel used in the SR-71 Blackbird Mach 3+ Spy Plane caused a nationwide shortage of Flit insecticide

JP-7 production caused a nationwide shortage of bug spray. JP-7 fuel (referred to as Jet Propellant 7 prior to MIL-DTL-38219)… Read More

2 years ago

In 1971 an SR-71 crew flew 15,000 miles, in 10 hours 30 minutes non-stop to see how many times the Blackbird could refuel before the liquid nitrogen gave out

The SR-71 Blackbird remains to this day the only aircraft rated to run in full continuous afterburner. Designed to sustain… Read More

3 years ago

JP-7, the fuel that powered the SR-71 Blackbird caused a nationwide shortage of bug spray. Here’s why.

Shell Oil developed JP-7 in 1955. Manufacturing several hundred thousand gallons of the new fuel required the petroleum byproducts Shell… Read More

3 years ago

Former SR-71 Pilot Explains why the Blackbird had to Light one Afterburner during Aerial Refueling

“The fine art of pulling the throttle ever so slightly up and just into the minimum burner range was handed… Read More

4 years ago

‘Blackbird’s Top Speed was Officially Mach 3.2 but the SR-71 was Much Faster Than That,” former Skunk Works Engineer Says

‘Shul’s narrative of flight at or above Mach 3.5 is so far the most detailed evidence available of SR-71 top… Read More

4 years ago

Interesting Video Explains how SR-71’s J58 Turbo-Ramjet Engine Works

Above Mach 2.2, some of the airflow is bled from the fourth stage of the compressor and dumped into the… Read More

4 years ago

Impressive video shows SR-71 Blackbird J58 Engine tested at Max Afterburner Power

The J58 generated a maximum thrust of 32,500 pounds -- more than 160,000 shaft horsepower -- and was the most… Read More

5 years ago

Cool video shows SR-71 Blackbird igniting the afterburners during very low fly pass

"The SR-71 pilot circled around behind the crowd and came in behind the hangers so as not to be seen… Read More

5 years ago