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Meet the Rolls-Royce UltraFan - the next giant leap in jet engine evolution. Lighter, quieter, and 25% more efficient, it can move nearly a tonne of air every second.

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Mechanical Knowledge

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27,637 просмотров • 3 месяцев назад •via X (Twitter)

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BRITISH ENGINEERING: The first ground run of Rolls-Royce’s new UltraFan® demonstrator - the world’s largest jet engine - will take place imminently. Last December, the engine was transferred to Rolls-Royce's £90m Testbed 80 facility in Derby (video) ahead of testing. #UKmfg
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BRITISH ENGINEERING: The first ground run of Rolls-Royce’s new UltraFan® demonstrator - the world’s largest jet engine - will take place imminently. Last December, the engine was transferred to Rolls-Royce's £90m Testbed 80 facility in Derby (video) ahead of testing. #UKmfg

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Rolls Royce is preparing to move their Jet Engine Manufacturing out of the UK… That’s 40,000 jobs gone, and £1.6 TRILLION lost for the economy - thanks to Keir Starmer’s high taxes. Why is the Government doing this?
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Rolls Royce is preparing to move their Jet Engine Manufacturing out of the UK… That’s 40,000 jobs gone, and £1.6 TRILLION lost for the economy - thanks to Keir Starmer’s high taxes. Why is the Government doing this?

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Accel India & IIMA Ventures–backed jet engine startup, Nabhdrishti Aerospace has successfully completed the maiden testing of its 400 N-class ND400 microjet engine. The development was completed in nine months. The company is co-founded by ex-GE and Rolls-Royce engineers.

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The German Dornier Do 31 was the world's only jet-powered VTOL transport. Immensely complex, it was built with 2 Rolls-Royce Pegasus vectored engines + 8 Rolls-Royce RB162 lift engines. First flew in 1967, wowed at 1969 Paris Air Show, canceled in 1970 because it was TOO cool.😎
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The German Dornier Do 31 was the world's only jet-powered VTOL transport. Immensely complex, it was built with 2 Rolls-Royce Pegasus vectored engines + 8 Rolls-Royce RB162 lift engines. First flew in 1967, wowed at 1969 Paris Air Show, canceled in 1970 because it was TOO cool.😎

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Rolls-Royce wants the UK government to commit taxpayer money to a £3bn new engine project (UltraFan 30) so they can re-enter the narrow-body market after 10+ years out. Starting with £100-200m for the demonstrator. They say 40k jobs and massive economic returns. In a world where everyone else subsidises aerospace, sitting on the sidelines might cost us more long-term… but it’s still public cash. Would you back it?
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Rolls-Royce wants the UK government to commit taxpayer money to a £3bn new engine project (UltraFan 30) so they can re-enter the narrow-body market after 10+ years out. Starting with £100-200m for the demonstrator. They say 40k jobs and massive economic returns. In a world where everyone else subsidises aerospace, sitting on the sidelines might cost us more long-term… but it’s still public cash. Would you back it?

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The Bloodhound LSR is a British engineered land speed car powered by a Rolls-Royce EJ200 jet engine and designed to reach extreme speeds. It was tested in 2019 in South Africa, where it reached about 628 mph using a mix of jet power and advanced sensors for data tracking. The project aims to hit 800 mph using a hybrid rocket system and break the world land speed record set by Andy Green.
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The Bloodhound LSR is a British engineered land speed car powered by a Rolls-Royce EJ200 jet engine and designed to reach extreme speeds. It was tested in 2019 in South Africa, where it reached about 628 mph using a mix of jet power and advanced sensors for data tracking. The project aims to hit 800 mph using a hybrid rocket system and break the world land speed record set by Andy Green.

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Rolls Royce just moved their Jet Engine Manufacturing out of the UK… That’s 40,000 jobs gone, and £1.6 TRILLION lost for the economy - thanks to Keir Starmer’s high taxes. Why is our government screwing the UK up?
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Rolls Royce just moved their Jet Engine Manufacturing out of the UK… That’s 40,000 jobs gone, and £1.6 TRILLION lost for the economy - thanks to Keir Starmer’s high taxes. Why is our government screwing the UK up?

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Never let them guess your next move. One minute you’re working, the next you’re cruising through the Bahamas in a pink Rolls-Royce Motor Cars boat with the music blasting and the wind in your hair. 🌊 @grandhyattbahamar @leolabahamar
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Never let them guess your next move. One minute you’re working, the next you’re cruising through the Bahamas in a pink Rolls-Royce Motor Cars boat with the music blasting and the wind in your hair. 🌊 @grandhyattbahamar @leolabahamar

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UNITED AIRLINES DROPS AIRBUS A350 ORDER AMID ENGINE DISPUTE WITH ROLLS-ROYCE The long-running saga between United Airlines and the Airbus A350 has taken a decisive turn. In its latest SEC 10-K filing, United removed the A350 from its “expected aircraft deliveries,” signaling it no longer plans to take the 45 widebodies that have remained on its books for years. The move follows a high-stakes dispute with Rolls-Royce over a widebody engine purchase and maintenance agreement. At the center is a $175 million commitment payment: United demanded repayment, alleging Rolls-Royce breached the agreement, while Rolls-Royce terminated the contracts, claiming United was in breach. Both parties now assert the other owes damages. This breakdown eliminates the engine framework intended for United’s future A350 fleet. The order has a complex history. In 2009, United ordered 25 A350-900s. In 2013, it increased the order to 35 and converted to the larger A350-1000. By 2017, the airline reverted to the A350-900 and raised the total to 45. For nearly a decade, deliveries were repeatedly deferred. While contractual filings still list 45 A350s scheduled beyond 2027, the “expected deliveries” column now shows zero. This is the clearest sign yet that United’s A350 program is effectively over.
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UNITED AIRLINES DROPS AIRBUS A350 ORDER AMID ENGINE DISPUTE WITH ROLLS-ROYCE The long-running saga between United Airlines and the Airbus A350 has taken a decisive turn. In its latest SEC 10-K filing, United removed the A350 from its “expected aircraft deliveries,” signaling it no longer plans to take the 45 widebodies that have remained on its books for years. The move follows a high-stakes dispute with Rolls-Royce over a widebody engine purchase and maintenance agreement. At the center is a $175 million commitment payment: United demanded repayment, alleging Rolls-Royce breached the agreement, while Rolls-Royce terminated the contracts, claiming United was in breach. Both parties now assert the other owes damages. This breakdown eliminates the engine framework intended for United’s future A350 fleet. The order has a complex history. In 2009, United ordered 25 A350-900s. In 2013, it increased the order to 35 and converted to the larger A350-1000. By 2017, the airline reverted to the A350-900 and raised the total to 45. For nearly a decade, deliveries were repeatedly deferred. While contractual filings still list 45 A350s scheduled beyond 2027, the “expected deliveries” column now shows zero. This is the clearest sign yet that United’s A350 program is effectively over.

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Rolls Royce builds the best and most reliable jet engines. High precision and completely durable in all conditions. I feel safer knowing lots of engineering and testing was conducted.
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Rolls Royce builds the best and most reliable jet engines. High precision and completely durable in all conditions. I feel safer knowing lots of engineering and testing was conducted.

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I've kept a pretty low (online) profile of what I'm building, but word's getting out. My company Astro Mechanica has invented a new kind of jet engine. Unlike any existing engine, it's efficient at every speed. Because it's efficient at every speed, we can use it in a new way: as the first stage of an orbital launch vehicle. The resulting platform will get payloads to orbit dramatically cheaper than all-rocket systems - among many possible applications. The key insight is to use electric motors to drive a compressor. That way we can make it spin at any speed, allowing it to "adapt" to it's airspeed and combustion cycle. One of the coolest parts: the video below is of a demonstrator my team and I built last year. We already have a new engine with 10x the thrust that will be complete next month.

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