IdeaWell

Project ideas from Hacker News discussions.

NASA asked several former SR-71A staffers to help secret restart

Original Article

Hacker News Discussion

📝 Discussion Summary (Click to expand)

Theme 1: Skepticism about feasibility and practicality

"It sounds like a clown-show staged around a cool looking plane that's older than 90+% of HN readers." - yodon
"Not a trick to make an old plane fly again. The trick is holding it together and landing it." - tclancy

Theme 2: Suspicions of ulterior motives or political theater

"It's almost certainly being done by clowns on the orders of one of the clowns in chief." - caidan
"My god, this reads like The Onion." - jasomill
"'return an SR-71 to operational flying' is /also/ the exact type of cover story that would be handed out for as cover for an actual project" - pwg

Theme 3: Nostalgia and sentimental attachment to the SR-71

"It'd be incredible to have an SR-71 flying again, just simply because!" - arlattimore
"There was something special about the 60s in the US... The SR-71 is old, but old doesn't mean antiquated." - somenameforme
"I've got the same kind of nostalgia about it... It's been probably 40 years since I first became aware of the SR-71 myself." - ssl-3

Theme 4: Technical challenges and loss of institutional knowledge

"One of the reasons why the UK went vastly over budget and behind schedule when they built the first Astute class submarine, because almost everyone who had domestic UK based hands on experience building a nuclear sub had long since retired." - walrus01
"It's likely that the last SR-71 and the processes and materials behind it were much more complex than the first. You have to recreate not only the first unit, but decades of added knowledge, skill, and complexity." - mmooss
"Finding the drawings and dimensions is the easy part of reverse engineering a mechanical device. The real challenges lie in identifying the manufacturing processes and quality control procedures..." - Beretta_Vexee

Theme 5: Questions about actual utility in the modern era

"Why though? We have spy sats galore. We have drones galore. Why build or re-certify a spy plane?" - cryptonector
"What we imagine as next-gen sr71 (ie, reconnaissance) is not going to be a plane. It's satellite based." - hnsim
"The problem is that 'can loiter over an area' and 'SR71-like' are fundamental contradictions." - crote

🚀 Project Ideas

Generating project ideas…

Aerospace Legacy Knowledge Capture Platform

Summary

  • A structured system to interview retiring SR-71-era engineers and capture tacit knowledge through guided AR procedures and video documentation
  • Preserves critical aerospace manufacturing techniques before they're lost forever

Details

Key Value
Target Audience Aerospace manufacturers, defense contractors, engineering schools
Core Feature AI-guided interview system with AR overlays for demonstrating physical procedures
Tech Stack WebRTC, Unity AR Foundation, AWS Transcribe, Neo4j knowledge graph
Difficulty Medium
Monetization Revenue-ready: SaaS subscription for aerospace firms

Notes

  • Directly addresses HN concern: "The cohort of people that were actually capable of making these things work is aged out of the workforce" and "One of the reasons why the UK went vastly over budget and behind schedule when they built the first Astute class submarine, because almost everyone who had domestic UK based hands on experience building a nuclear sub had long since retired"
  • Would preserve knowledge mentioned in comments about needing to "call in retirees" and the value of "putting [operational experience] into the current generation of Skunk Works engineers"
  • Practical utility: Could reduce costs and delays in reviving legacy systems like the UK Astute submarine project

SR-71 Flight Profile Simulator for Hypersonic Testing

Summary

  • High-fidelity simulator that replicates SR-71 flight characteristics to test modern hypersonic components and avionics
  • Enables risk-free validation of Mach 3+ systems without endangering aircraft or pilots

Details

Key Value
Target Audience Hypersonic aircraft developers, defense contractors, NASA test facilities
Core Feature Physics-based simulation of SR-71 envelope with interchangeable modern component models
Tech Stack Unity, PhysX, MATLAB/Simulink, AWS GovCloud
Difficulty High
Monetization Revenue-ready: Per-simulation licensing + customization fees

Notes

  • Solves HN frustration: "there's an easier way to simulate the Blackbird's flight characteristics without having to magic the damn thing back into the sky" and "it's much more likely to be used as part of a training program"
  • Addresses comment about using SR-71 as testbed: "The SR-72 could just be an SR-71 with upgraded engines" and "pushing capabilities around increasing speed"
  • Discussion potential: Enables safer hypersonic development cited as needed by commenters concerned about China's military advancement

Modern JP-7 Fuel Alternative Formulation Service

Summary

  • Develops and produces drop-in JP-7 replacements using contemporary refining techniques and additive packages
  • Eliminates dependency on obsolete fuel production while maintaining SR-71 operational specifications

Details

Key Value
Target Audience Museums with SR-71 displays, private collectors, defense research labs
Core Feature Certified fuel formulation matching JP-7 flash point, thermal stability, and material compatibility
Tech Stack ASTM testing rigs, Python-based additive optimization, ISO tank logistics
Difficulty Medium
Monetization Revenue-ready: Batch-based pricing with certification fees

Notes

  • Directly resolves HN pain point: "The fuel it needs is no longer made" and "making a supply of JP-7 again" cited as major obstacles
  • Addresses specific comment: "The JP-7 it required was shared by ~nothing else in the sky, so: More deliveries" and fuel leakage issues due to thermal expansion
  • Practical utility: Would enable actual flight demonstrations mentioned nostalgically by commenters ("Seeing the SR-71 still gives me the same buzz") without requiring original fuel infrastructure

GPS-Denied Astro-Inertial Navigation Trainer

Summary

  • Portable training device that teaches SR-71-style celestial/inertial navigation principles using modern sensors and AR guidance
  • Preserves critical analog navigation skills for modern electronic warfare scenarios

Details

Key Value
Target Audience Military pilots, avionics engineers, ROTC programs
Core Feature Handheld unit combining star tracker, IMU, and AR display for navigation training
Tech Stack Raspberry Pi, CMOS star sensors, MEMS IMU, Unity AR core
Difficulty Low
Monetization Revenue-ready: $299 unit price + curriculum licensing

Notes

  • Directly answers HN need: "Worried about how to navigate if the GPS systems gets knocked out by an adversary? SR-71 has an analogue system, use that" and references to GPS-denied environment value
  • Builds on comment: "Getting contemporary knowledge of the navigation, hydraulic, avionics and other systems is going to be pretty powerful if you need to build something that is as battlefield-ready"
  • Discussion utility: Addresses strategic concerns raised about satellite vulnerability ("If the enemy takes out your spy satellite, how else are you going to get photos of the warzone?")

SR-71 Interactive Historical Archive with Oral Histories

Summary

  • Web-based platform featuring 3D explorable SR-71 models, engineer interviews, and mission recreations
  • Transforms nostalgia into accessible educational content for new generations

Details

Key Value
Target Audience Aviation museums, STEM educators, aviation enthusiasts
Core Feature WebGL SR-71 model with clickable components
Monetization Hobby

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