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AIRCRAFT THE RR POWERED GRIPEN ... CombatTech Zone Gripen's POWERFUL Rolls Royce Engine Is Making The F35 Nervous? PLAY YOUTUBE VIDEO Original article: https://www.youtube.com/watch?v=lAh34xoX4b8
Gripen's POWERFUL Rolls Royce Engine Is Making The F35 Nervous? CombatTech Zone Dec 27, 2025 7.58K subscribers ... 33,792 views ... 1.4K likes #MilitaryAnalysis #MilitaryNews #StealthFighter Inside Gripen’s Rolls-Royce Power ⚡ \| The Engine That’s Making the F-35 Nervous The Saab Gripen’s Rolls-Royce engine is quietly reshaping the fighter jet power game—and it’s forcing even the mighty F-35 to take notice. Designed for efficiency, reliability, and extreme operating conditions, this engine gives the Gripen a unique edge in modern air combat where uptime, responsiveness, and cost matter as much as raw stealth. In this video, we break down what makes the Gripen’s Rolls-Royce–based engine so effective, including thrust-to-weight performance, fuel efficiency, rapid maintenance, and cold-weather reliability. We compare it directly with the F-35’s Pratt & Whitney F135, highlighting differences in sustainment costs, operational flexibility, and real-world sortie generation. Is the future of air power about bigger, more complex engines, or smarter, more efficient propulsion systems? From Arctic operations to dispersed basing and budget realities, this deep dive reveals why Gripen’s engine philosophy could influence the next generation of fighter aircraft—and why the F-35 program is watching closely. 🎯 5 KEY POINTS COVERED Why Gripen’s Rolls-Royce–based engine is so efficient Thrust, fuel economy, and maintenance advantages Gripen engine vs F-35 F135 powerplant comparison Arctic and austere-base performance benefits What this means for the future of fighter jet design 📣 CALL TO ACTION 👉 Watch till the end for the full engine breakdown 👍 Like if you enjoy deep military aviation analysis 💬 Comment: Smart efficiency or raw power—which wins air combat? 🔔 Subscribe to Combat Tech Zone for elite defense & aerospace content #Gripen #RollsRoyce #FighterJetEngines #F35 #MilitaryAviation #JetEngine #GripenVsF35 #AirPower #ModernWarfare #DefenseTechnology #CombatTechZone #AerospaceEngineering #MilitaryAnalysis #StealthFighter #JetPropulsion #ArcticDefense #MilitaryJets #DefenseIndustry #AdvancedAircraft #AirForcePower #FutureWarfare #AviationTech #NATODefense #EngineTechnology #MilitaryInnovation #JetFighters #AirCombat #DefenseTrends #AerospaceDefense #ColdWeatherOperations #MilitaryNews #StrategicAirPower #FighterJetComparison #ModernAirCombat #GlobalSecurity #MilitaryPreparedness #AlliedForces #DefenseEngineering #JetTechnology #AirSuperiority #WorldDefense #ColdWar2 Peter Burgess COMMENTARY Peter Burgess Transcript 0:00 March 2024, Baltic Sea. A Swedish Gripen E cuts through freezing air at MAC 1.2. Below, an American F-35 squadron conducts routine patrol. The Gripen's pilot flips a switch. Engine output surges. The aircraft accelerates past MAC 1.5 in seconds. The F-35 pilots watch their screens. They can't keep up. Not because the Gripen is stealthier, not because it has better avionics, because its engine, a Rolls-Royce influenced power plant called the F414G, just exposed a trillion dollar miscalculation. What if raw power and efficiency matter more than stealth in modern air combat? The Pentagon doesn't want to answer that question. Sweden already did. This is the story of an engine co-developed by a luxury automotive brand in a neutral country that hasn't fought a war in 210 years. An engine making the most expensive military program in history 1:00 look obsolete. By the end of this video, you'll understand why American defense planners are quietly redesigning next generation fighters based on Swedish engine philosophy and why the F-35's dominance might be shorter than anyone expected. The engine that changed the calculation. Let's talk about what's under the Gripen skin. The F414G, a turboan engine co-developed by Volvo Arrow in General Electric. Sweden took G's F414 core, the same engine family powering the F/ A18 Super Hornet and completely reinvented it. They rebuilt the entire afterburner section, redesigned the fuel system, integrated digital engine control that responds in milliseconds. The result, 98 konton of thrust. That's 22,000 lb of force pushing a jet that weighs just 16,000 lb empty. Do the math. That's a thrust to weight ratio of 1.37 to1 in combat configuration. The F-35A 0.87:1 with 2:03 full internal weapons load. Translation: The Gripen can climb faster, accelerate harder, and maneuver tighter than America's most advanced stealth fighter. But raw power is just the beginning. The real advantage shows up when you calculate long-term costs. The 7 billion fuel problem operating costs. This is where the F414G becomes a strategic weapon that reshapes entire defense budgets. The Gripen E burns 4,700 lb of fuel per flight hour. The F-35A, 11,500 lb per flight hour. That's 2.4 times more fuel for the same mission. Now, watch what happens when you scale that across a real Air Force. Canada is evaluating 88 fighters. If they choose F-35s over Griens, those jets will burn an additional 600,000 lb of fuel per month. That's 720,000 gallons per year, just in excess consumption. At current 3:01 prices, that's $2.1 million per year in extra fuel costs. Over 40 years, $84 million per aircraft just in fuel difference. For 88 aircraft, $7.4 billion. Read that again. $7.4 billion. Just burning extra fuel to fly the same missions. This isn't an operational detail. This is a strategic vulnerability. Smaller nations are choosing Gripen not because it's cheaper to buy, but because it's affordable to operate for decades. And that fuel efficiency traces back to one source. Rolls-Royce engineering DNA. But why does a luxury car company's philosophy matter so much in fighter engines, 80 years of efficiency philosophy? Rolls-Royce has been building jet engines since 1940. They powered the first operational jet fighters in World War II, the Gloucester Meteor, the Deavlin Vampire. For 80 years, they've specialized in extracting maximum 4:01 performance from minimum weight. When Sweden needed an engine for the original Grippen in the 1980s, they partnered with Volvo Arrow, which had deep technology transfer agreements with Rolls-Royce, the 12 ringit that powers earlier Gripen C and D variants based on the GEF404 core. but with Rolls-Royce combustion technology. British fuel efficiency philosophy, Swedish systems integration. Result: 40% more fuel efficient than the American baseline engine with the Gripen E and F414G. Sweden took that philosophy to its logical extreme. They partnered with GE for raw thrust, but everything else is Swedish in British engineering DNA. Digital engine control unit, Swedish. Maintenance diagnostic system, Swedish. Modular design, allowing 1-hour engine swaps, Swedish. Fuel efficiency optimization, Rolls-Royce lineage. This isn't just an engine. It's an 80-year 5:01 philosophy of sustainable power. And it's embarrassing. The newest American designs, especially when you look at what happens in actual combat scenarios, the Super Cruise Advantage. Nobody expected super cruise. The ability to fly supersonic without afterburners. The F-35 can't do it with weapons loaded. Too much drag, not enough thrust. The Gripen E super cruises at Mach 1.1 with a full combat load. Four beyond visual range missiles, external fuel tanks, electronic warfare pods, all while burning 30% less fuel than the F-35 at subsonic cruise. Modern air combat isn't about dog fights at 500 ft. It's about positioning, getting to the fight first, staying in the fight longer, controlling the engagement envelope. If you can super cruise, you dictate range. You force the enemy to react to your timeline. The F-35 depends on stealth to get close undetected. But what happens 6:01 when stealth fails? When Chinese or Russian radars detect low observable aircraft at 100 km instead of 30? The Gripen doesn't care. It just goes faster. And it does this while the F-35 is still trying to reach supersonic speed, burning after burner fuel at catastrophic rates. That's not a spec sheet advantage. That's a combat reality advantage. But the real paradigm shift shows up in maintenance operations. The 58minute engine swap. The F414G uses modular engine design. The entire power plant divides into six major modules. fan module, compressor module, combuster, high-pressure turbine, low pressure turbine, after burner. If one module develops a fault, you don't tear down the entire engine. You swap the module. The rest stays intact. Six conscripts with basic training can remove the entire engine from a grip in 58 minutes. That's been demonstrated in field exercises on camera, multiple 7:01 times. Installing a replacement engine, 52 minutes. Total aircraft downtime under two hours. Compare this to the F-35's Pratt and Whitney F-135 engine. Requires specialized facilities, climate controlled hangers, depot level maintenance for major repairs, average removal and replacement time, 12 to 16 hours. And the stat that defense planners can't ignore. The F414G has a mean time between removal of 4,100 flight hours. The F-135 2,100 flight hours. Sweden built an engine that stays in the aircraft twice as long and can be swapped out six times faster when service is needed. That's not incremental improvement. That's a different operational paradigm. In a real war where you're flying multiple sorties per day, that maintenance difference determines who wins. And speaking of real war conditions, let's talk about what happened in the Arctic. 8:00 The Brazil decision that changed export markets. Brazil bought 36 Gripens in 2014. When they evaluated fighters, engine reliability wasn't just a factor, it was the deciding factor. Brazil operates from bases in the Amazon rainforest. in coastal regions with corrosive salt air in high altitude conditions in the Andes foothills. They needed an engine that could handle every climate without extensive ground support infrastructure. The F414G passed every test, multiple hot weather trials, high altitude performance tests, salt fog corrosion resistance. The Prattton Whitney F-135 failed multiple hot weather trials. The engine's thermal management system couldn't handle sustained operations in 40° C temperatures with high humidity. Brazil's decision wasn't about stealth. It wasn't about sensors. It was about operational sustainability. They needed jets they could actually keep flying for 9:01 30 years without building billiondoll support infrastructure. Czech Republic is now negotiating for 24 gripins. Same reason. They want fighters they can maintain with existing facilities and personnel, not fighters requiring American contractors on site permanently. This is the export market reality giving Loheed Martin executive sleepless nights. Countries are choosing an older design airframe with a better engine over a newer design airframe with a maintenance intensive engine. Because in real military operations, availability beats capability. The best fighter in the world is worthless if it's in the hanger 60% of the time. The affordability crisis forcing change. The fighter jet market is experiencing a crisis defense. Contractors don't want to discuss. Countries can't afford to buy expensive aircraft they can't afford to fly. The F-35 program has delivered over 1,000 aircraft, but operational costs are forcing air forces worldwide 10:00 to reduce flight hours. Norway cut F-35 flight hours by 30% in 2024 due to budget constraints. Australia is struggling to meet readiness targets because maintenance costs are double initial projections. Their F-35s are sitting in hangers, not because they're broken, but because flying them costs too much. Meanwhile, Sweden is flying griens 200 hours per pilot per year. Full tempo training, combat ready force, mission capable rates above 90%. The difference, the engine, a Rolls-Royce influence power plant designed for sustained operations over decades, not maximum performance on spec sheets for the first year. This is the strategic reality forcing change across NATO. High-performance jets that can't be affordably operated are strategic liabilities, not assets. The future being built with Swedish input. Rolls-Royce isn't sitting still. They're developing the next generation engine for Tempest, Britain's sixth generation 11:01 fighter program. That engine will produce 25% more thrust than the F414G while maintaining the same fuel efficiency. It will use variable cycle technology, adaptive fan blades that change pitch in flight, ceramic matrix composits for extreme temperature resistance, AIdriven predictive maintenance, and here's what should concern Pentagon officials. It's being designed with Swedish input. Sweden is joining the Tempest program. They're bringing their engine integration expertise. Everything learned from 40 years of Griffin development to Britain's next fighter. The Americans are building NGA with adaptive cycle engines from GE and Pratt and Whitney. But the British and Swedes are building Tempest with Rolls-Royce engines that prioritize what the Gripen already proved. Efficiency and reliability win wars, not spec sheet performance. Why this matters? Now, Sweden took a General Electric engine core and turned it into 12:00 a strategic weapon through engineering philosophy. They proved you don't need the most powerful engine. You need the smartest engine. They proved Rolls-Royce's 80 years of efficiency first design philosophy was right all along. And they proved that in modern air combat, the aircraft that can actually fly beats the aircraft with the best brochure. The F-35 will dominate in first week high-intensity conflict where stealth matters most. But the Gripen will dominate in the long war where logistics, sustainability, and being able to fly tomorrow win. And that's what's making the Pentagon nervous. Not because the Grippin is better in every way, but because it's better in the ways that actually matter. When you need to fly combat missions for months, not days. When you need to generate five sorties per day instead of two. When you need to operate from frozen highways instead of climate controlled hangers. When you need an engine that lasts 4,100 hours instead of 2,100. When you need sustainable war fighting 13:01 instead of unsustainable performance. The Americans are learning this lesson and they're redesigning their next generation fighters based on what Sweden already figured out. If this breakdown gave you a completely new perspective on what actually matters in fighter engines, support this channel. Subscribe for more deep dives into the military technology that's changing modern warfare in ways defense contractors don't want widely understood. Because the story of the Gripens engine isn't about Sweden versus America. It's about sustainable war fighting versus unsustainable performance. And in the long run, in the real world, in actual combat operations, sustainability wins every single

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