The SR 71 was made entirely out of a slide rule. The last major airplane to use the slide rule only.
An article from “We are the mighty.”~April 2022
There are countless incredible facts about the SR-71 that would warrant a place on this list, but this is one of the few facts that pertains specifically to the incredible people tasked with developing it.
Not long after the SR-71 took to the sky, the most difficult mathematical aspects of aircraft design were handed off to computers that could crunch the numbers more quickly and reliably — but that wasn’t the case for the Blackbird. Kelly Johnson and his team used their “slide rules,” which were basically just specialized rulers with a slide that designers could use to aid them in their calculations in designing the mighty Blackbird.
Years later, the aircraft was reviewed using modern aviation design computers only to reveal that the machines would not have suggested any changes to the design. Wow! #Habubrats SR-71
SR 71 pilot David Peters made this comment : “There are so many incredible firsts with the SR 71. Some that don’t often come out have to do with the many systems. Example, the cameras. If you have ever tried to hold a telephoto in place you will understand. How do you stabilize a camera with 4 inch resolution taking pictures at 15 miles while traveling more than 2,000 miles an hour? Donn Burns,one of the folks that did it, talks about it in his book. There are many other things that never get talked about.”
The incredible SR 71 still to this day January 15, 2023 holds the records for speed and altitude in a manned aircraft. That will never be broken.
~ Linda Sheffield
An article from “We are the mighty.”~April 2022
There are countless incredible facts about the SR-71 that would warrant a place on this list, but this is one of the few facts that pertains specifically to the incredible people tasked with developing it.
Not long after the SR-71 took to the sky, the most difficult mathematical aspects of aircraft design were handed off to computers that could crunch the numbers more quickly and reliably — but that wasn’t the case for the Blackbird. Kelly Johnson and his team used their “slide rules,” which were basically just specialized rulers with a slide that designers could use to aid them in their calculations in designing the mighty Blackbird.
Years later, the aircraft was reviewed using modern aviation design computers only to reveal that the machines would not have suggested any changes to the design. Wow! #Habubrats SR-71
SR 71 pilot David Peters made this comment : “There are so many incredible firsts with the SR 71. Some that don’t often come out have to do with the many systems. Example, the cameras. If you have ever tried to hold a telephoto in place you will understand. How do you stabilize a camera with 4 inch resolution taking pictures at 15 miles while traveling more than 2,000 miles an hour? Donn Burns,one of the folks that did it, talks about it in his book. There are many other things that never get talked about.”
The incredible SR 71 still to this day January 15, 2023 holds the records for speed and altitude in a manned aircraft. That will never be broken.
~ Linda Sheffield
The SR 71 was made entirely out of a slide rule. The last major airplane to use the slide rule only.🌟
An article from “We are the mighty.”~April 2022
There are countless incredible facts about the SR-71 that would warrant a place on this list, but this is one of the few facts that pertains specifically to the incredible people tasked with developing it.
Not long after the SR-71 took to the sky, the most difficult mathematical aspects of aircraft design were handed off to computers that could crunch the numbers more quickly and reliably — but that wasn’t the case for the Blackbird. Kelly Johnson and his team used their “slide rules,” which were basically just specialized rulers with a slide that designers could use to aid them in their calculations in designing the mighty Blackbird.
🌟Years later, the aircraft was reviewed using modern aviation design computers only to reveal that the machines would not have suggested any changes to the design. Wow! #Habubrats SR-71
SR 71 pilot David Peters made this comment : “There are so many incredible firsts with the SR 71. Some that don’t often come out have to do with the many systems. Example, the cameras. If you have ever tried to hold a telephoto in place you will understand. How do you stabilize a camera with 4 inch resolution taking pictures at 15 miles while traveling more than 2,000 miles an hour? Donn Burns,one of the folks that did it, talks about it in his book. There are many other things that never get talked about.”
The incredible SR 71 still to this day January 15, 2023 holds the records for speed and altitude in a manned aircraft. That will never be broken.
~ Linda Sheffield
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