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🚨 Pune-based Thrustworks Dynetics (Thrustworks Dynetics) has successfully test-fired India’s first Resonance Ignition System, achieving TRL 6. The system uses shockwaves to trigger ignition, removing the need for an external ignition source, electricity or moving parts.

235,312 просмотров • 16 дней назад •via X (Twitter)

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Thank you, O'Reilly Auto Parts, for being an incredible supplier throughout this restoration project. For the past three months, I've been bringing my buddy's 1997 Ford Ranger back to life. When I got it, it was completely dead—it wouldn't even start. The project started with a full tune-up: spark plugs, wires, and an ignition coil. One interesting thing about this 4-cylinder engine is that it uses 8 spark plugs, which surprises a lot of people. Even after getting it running, it still had a rough idle, so the troubleshooting continued. I replaced the: •Idle Air Control (IAC) valve •PCV valve •EVAP vapor canister •EVAP purge solenoid •EVAP sensor •Oxygen sensors After tracking down a stubborn vacuum leak and replacing the right parts, the truck now runs like a rock star. While I was at it, I also replaced: •Brake lines •Brake rotors and pads •All four shocks •Fuel filter •Ignition solenoid •Ignition switch actuator under the steering column •Complete A/C compressor system with refrigerant •Headlight assemblies, upgraded to LED lighting Nearly every part for this project came from O'Reilly Auto Parts (the ignition coil was the only exception). A special thank you to the team at O'Reilly Auto Parts Store #4450 in St. Petersburg. They have been incredibly knowledgeable, patient, and helpful every step of the way. I especially want to thank Store Manager Melissa, Assistant Store Manager Tony, and parts specialists Nate and William. Their expertise and willingness to help made a challenging restoration much easier. It's refreshing to see customer service like this still exists. Thank you all for helping bring this old Ranger back to life!

Alladdin

12,739 просмотров • 1 месяц назад

I often wonder about how SpaceX plans to actually pull off multiple Starship flights per day. As Elon Musk has pointed out, computer simulations have steep limits you can't just simulate a vehicle traveling at 17,000 mph and experiencing 6 Gs on a screen. The answer is a massive, relentless physical testing pipeline that turns years of administrative certification into a rapid industrial manufacturing loop. To handle this cadence without bottlenecking the actual launch pads, SpaceX isolates its testing geographically: McGregor, Texas: The primary acceptance gate. Every single Raptor engine is shipped here for full-duration firings to qualify the combustion chambers and turbopumps. Massey's Outpost: Instead of risking the main orbital pads, ships and boosters go to this dedicated site for structural testing, static fires, and destructive evaluations. Before any Starship or Super Heavy booster is ever stacked for flight, it runs a strict 4-step gauntlet: → Cryo-Proofing: The vehicle’s tanks are pressurized and filled with extreme-cold liquid nitrogen or oxygen to verify the stainless-steel welds can handle thermal shock and flight-like stress. → Spin-Primes: Engine turbopumps are spun up to full operating speed with high-pressure gas—stopping just milliseconds before ignition—to test fluid dynamics without risking pad damage. → Static Fires: The vehicle is anchored down and the engines are hot-fired to test thrust vectoring, the aft dome's structural integrity, and the pad's water deluge system. → Wet Dress Rehearsal: A completely fueled, fully simulated launch countdown right down to the final seconds before ignition. Now, SpaceX is duplicating this entire operation on the East Coast. With a massive new facility at Florida's Roberts Road and dedicated on-site liquefaction plants at LC-39A, they are laying the groundwork to support up to 44 launches a year.

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Advancing LOX/LCH4 Dual-Propellant Cooling for HANBIT-Micro INNOSPACE has successfully completed a series of combustion tests for its upgraded 4 kN-class liquid-methane kick-stage combustor for HANBIT-Micro. 🚀 Building on the 237-second long-duration ground test in May 2024, the combustor has been advanced with a Dual-Propellant Regenerative Cooling scheme. 📈 ⚙️ Unlike conventional single-propellant regenerative cooling, this approach utilizes both fuel and oxidizer as coolants, enabling: 🔹 Reduced feed pressure requirements 🔹 Lighter propellant tanks 🔹 Lower overall kick-stage mass 🔥 By preheating and vaporizing both coolants, the system also achieves: 🔹 Improved mixing efficiency 🔹 Shorter ignition delay 🔹 Enhanced combustion stability and efficiency 💡 Overcoming High Technical Barriers Most notably, the recent test validated stable regenerative cooling under low-pressure, subcritical conditions — a technically demanding regime — and mitigated the risks associated with using liquid oxygen (LOX) as a coolant. The application of a gas–gas swirl injector further demonstrated improved mixing performance. With this milestone, INNOSPACE continues to advance methane propulsion technology and enhance the maturity of the HANBIT-Micro kick-stage system. Please stay tuned for the next phase of development. 🙌 #SpaceInnovation #HANBITMicro #KickStage #MethaneEngine #RocketEngineering #SpaceTech

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18,949 просмотров • 6 месяцев назад