Jets
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We're starting off the week with a mechanical marvel: a homemade dragster with dual Rolls-Royce jet engines that's been 17 years in the making – and could potentially hit 400 mph.
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Imagine that you're injured on a remote mountain path but have managed to contact emergency rescue. The first to arrive on the scene could be a small humanoid robot wearing a jetpack if Italian research bears fruit.
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After launching a modern pulsejet engine for UAVs back in March, Wave Engine Corporation announced this week that it's delivered the first units. The loud, pulse-combustion fire-breather is officially finding its way to air-bound vehicles.
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Wave Engine Corp has aced a demonstration flight of a simple jet engine with no moving parts. A modern version of a pulsejet, the J-1 engine powered a UAV through take-off and several mid-air stop/starts before the aircraft nailed the landing.
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Connecticut-based WaveAerospace has announced "the world's fastest multirotor UAS," a "new class of aircraft" that's effectively a quadcopter drone with a raging jet turbine in the middle, capable of insane speeds and all-weather operation.
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The US Army is swapping out its Cold War fleet of prop-driven recon planes with ones based on a business jet. Under a new contract, the Army is buying a Global 6500 jet aircraft from Bombardier with options for two more for development prototypes.
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Rolls-Royce has taken a major green step, announcing that not only has its giant UltraFan demo jet engine been run at full power on 100% Sustainable Aviation Fuel (SAF), but tests have proven all its current civilian engines are compatible with 100% SAF.
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UK company Aeralis is going full throttle on a disruptive new modular jet concept that could handle a huge range of capabilities, from advanced jet training to long-range unmanned ISR missions, with a single fuselage and a range of swappable parts.
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It goes without saying that it is very important for airliners' jet engines to be regularly inspected. Such inspections could soon be easier and more thorough than ever before, thanks to a robot that moves like an inchworm.
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Bombardier says it's stepping up prototype testing on its blended-wing Ecojet project, aiming to use its lift-generating fuselage, low-drag wingspan and propulsion advances to heavily reduce fuel burn and cut emissions in half.
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Reaction Engines has built a precooler for its SABRE engine that can chill a hypersonic airstream from 1,000 °C to -150 °C in 1/20th of a second. Now it's doing tests with the USAF and DoD to prove it can upgrade other existing jets to handle Mach 4.
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The new ultra-long-range Gulfstream G800 completed its first flight on Wednesday in the skies over the Savannah/Hilton Head International Airport in Georgia, on a two-hour test flight that used sustainable aviation fuel.
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