How are Flight Data Recorders built?

In summary, FDRs use a variety of materials and construction techniques in order to withstand extreme g-forces and heat. They are insulated with a variety of materials, and may be secured in the chassis with screws or bolts.
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I am curious as to the components of FDRs that allow them to sustain such g-forces and immense heat. Surely it's not just a steel box filled with paraffin wax. What alloys are used? what shapes are used in internal construction to prevent crushing/penetration? What do they insulate with and how is it layered? How is the SSD secured in the chassis? Is the chassis pieced together or cut from a single piece of metal?
I apologize for so many questions in one post, but I am genuinely curious about how these and similar pieces of technology work. I am ultimately seeking an example of the materials used and they way they are combined. Thank you for all of your help.
 
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I have, but I have yet to find technical documents or anything specific that is not outdated. I am looking for specifics, mainly on how the insulation is layered and how the SSDs are secured. I cannot find this. Please let me know where you have found it.
 
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This image seems pretty specific, but I'm not sure you'll find the exact design files online since it's probably proprietary information.

https://www.aea.net/AvionicsNews/ANArchives/FlightDataRecordersJan06.pdf
upload_2016-10-13_9-35-27.png


There's also a video of a guy disassembling a smaller one for a private jet on YouTube, I assume you've seen it?
 
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I saw the video but not the picture. I was afraid I would run into the 'its proprietary' thing, i guess I was hoping that there was some design commonly held as the correct way, this fairly similar between manufacturers, like car tires. Thanks for the help, I'll dig around on FAA forums I guess.
 

Related to How are Flight Data Recorders built?

1. How are Flight Data Recorders built?

Flight Data Recorders, also known as black boxes, are built using advanced technology and materials to withstand extreme conditions. The process involves a combination of mechanical, electrical, and data storage components that work together to record and store flight data.

2. What materials are used to build Flight Data Recorders?

Flight Data Recorders are typically made of a combination of materials such as titanium, aluminum, and steel to withstand high temperatures and impact. The outer casing is made of a heat-resistant material, while the internal components are made of shock-absorbing materials.

3. How are Flight Data Recorders tested and certified?

Flight Data Recorders undergo rigorous testing and certification processes to ensure they meet safety standards set by aviation authorities. They are subjected to extreme conditions, such as high temperatures and impact tests, to ensure they can withstand real-life scenarios.

4. How much data can Flight Data Recorders store?

The amount of data that Flight Data Recorders can store varies depending on the type and model. On average, they can store at least 25 hours of flight data, including cockpit voice recordings, flight parameters, and system status information.

5. How are Flight Data Recorders retrieved after a crash?

After a crash, Flight Data Recorders are retrieved and analyzed by experts to determine the cause of the accident. They are equipped with locator beacons that emit signals to help search and rescue teams locate them. In some cases, they may be damaged and require special tools and techniques to retrieve the data.

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