Rocket Lab to attempt first mid-air helicopter capture of Electron Rocket (Image Credit: Space Daily)
Rocket Lab USA, Inc (Nasdaq: RKLB) reports that during its next Electron launch, a commercial rideshare mission currently scheduled in April 2022, the company will attempt a mid-air helicopter capture of the Electron launch vehicle for the first time.
The “There and Back Again” mission, Rocket Lab’s 26th Electron launch, will lift off from Pad A at Launch Complex 1 on New Zealand’s Mahia Peninsula within a 14-day launch window scheduled to commence on April 19, 2022 UTC. Electron will deploy 34 payloads from commercial operators Alba Orbital, Astrix Astronautics, Aurora Propulsion Technologies, E-Space, Unseenlabs, and Swarm Technologies via global launch services provider Spaceflight Inc. The launch is expected to bring the total number of satellites launched by Electron to 146.
For the first time, Rocket Lab will also attempt a mid-air capture of Electron’s first stage as it returns from space after launch, the next major step in the Company’s development program to make Electron a reusable rocket. Rocket Lab will be attempting the catch with a customized Sikorsky S-92, a large twin engine helicopter typically used in offshore oil and gas transport and search and rescue operations.
Catching a returning rocket stage mid-air as it returns from space is a highly complex operation that demands extreme precision. Several critical milestones must align perfectly to ensure a successful capture.
Recovery Mission Profile:
Approximately an hour prior to lift-off, Rocket Lab’s Sikorsky S-92 will move into position in the capture zone, approximately 150 nautical miles off New Zealand’s coast, to await launch.
At T+2:30 minutes after lift-off, Electron’s first and second stages will separate per a standard mission profile. Electron’s second stage will continue on to orbit for payload deployment and Electron’s first stage will begin its descent back to Earth reaching speeds of almost 8,300 km (5,150 miles) per hour. The stage will reach temperatures of around 2,400 degrees C (4,352 F) during its descent.
After deploying a drogue parachute at 13 km (8.3 miles) altitude, the main parachute will be extracted at around 6 km (3.7 miles) altitude to dramatically slow the stage to 10 metres per second, or 36 km (22.3 miles) per hour.
As the stage enters the capture zone, Rocket Lab’s helicopter will attempt to rendezvous with the returning stage and capture the parachute line via a hook.
Once the stage is captured and secured, the helicopter will transport it back to land where Rocket Lab will conduct a thorough analysis of the stage and assess its suitability for reflight.
“We’re excited to enter this next phase of the Electron recovery program,” said Rocket Lab founder and CEO, Peter Beck. “We’ve conducted many successful helicopter captures with replica stages, carried out extensive parachute tests, and successfully recovered Electron’s first stage from the ocean during our 16th, 20th, and 22nd missions. Now it’s time to put it all together for the first time and pluck Electron from the skies.
“Trying to catch a rocket as it falls back to Earth is no easy feat, we’re absolutely threading the needle here, but pushing the limits with such complex operations is in our DNA. We expect to learn a tremendous amount from the mission as we work toward the ultimate goal of making Electron the first reusable orbital small sat launcher and providing our customers with even more launch availability.”
Rocket Lab has previously conducted three successful ocean recovery missions where Electron returned to Earth under parachute and was recovered from the ocean. Analysis of those missions informed design modifications to Electron, enabling it to withstand the hard re-entry environment, and also helped to developed procedures for an eventual helicopter capture.
Payloads aboard the “There and Back Again” mission include:
Alba Orbital: A cluster of four pico-satellites will be deployed, including Alba Orbital’s own Unicorn-2 PocketQube satellites, as well as TRSI-2, TRSI-3, and MyRadar-1 satellites for Alba Orbital’s customers. Each small satellite carries a unique sensor designed to demonstrate innovative technologies on orbit. Unicorn-2 will be carrying an optical night-time imaging payload designed to monitor light pollution across the globe.
Astrix Astronautics: Astrix Astronautics is deploying the “Copia” system – a high-performance power generation system for CubeSats that aims to improve on power restraints typically seen in small satellites. The mission aims to demonstrate the high performance of Copia’s novel design via -on-orbit testing with 1U solar arrays able to capture up to 200W.
Aurora Propulsion Technologies: The AuroraSat-1 also known as The Flying Object will deploy to low Earth orbit in a demonstration of the company’s proprietary propulsion devices and plasma brakes that provide efficient propulsion and deorbiting capabilities for small satellites. The CubeSat will validate the water-based propellant and mobility control of its Resistojets that can assist CubeSats with detumbling capabilities and propulsion-based attitude control. AuroraSat-1 will also test its deployable Plasma Brakes which combine a micro-tether with charged particles in space, or ionospheric plasma, to generate significant amounts of drag to deorbit the spacecraft safely at the end of its life.
E-Space: E-Space’s payload will consist of three demonstration satellites to validate the systems and technology for its sustainable satellite system. The satellites have small cross-sections, to decrease the risk of collision from the millions of untrackable space objects and will automatically de-orbit if any systems malfunction. Eventually, the satellites will sacrificially capture and deorbit small debris to burn up on re-entry, setting a new standard in space environmental management.
Spaceflight Inc: Spaceflight Inc. has arranged for Rocket Lab to launch two stacks of SpaceBEEs for Internet-of-Things constellation operator, Swarm Technologies.
UNSEENLABS: BRO-6 is the sixth satellite of the Unseenlabs’ constellation, dedicated to the detection of radiofrequency signals. Thanks to its technology, the French company detects any vessel at sea, even those whose cooperative beacon is turned off. The launch of BRO-6 satellite will allow Unseenlabs to improve its revisit time and deliver more customers.
Related Links
Rocket Lab USA,
Rocket Science News at Space-Travel.Com
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NASA begins critical final test on mega Moon rocket
Washington (AFP) April 1, 2022
NASA on Friday began a critical two-day-long test of its giant Space Launch System (SLS) rocket complete with a simulated countdown, as the agency gears up to return humans to the Moon.
Known as the “wet dress rehearsal,” it is the final major test before the Artemis-1 mission this summer: an uncrewed lunar flight that will eventually be followed by boots on the ground, likely no sooner than 2026.
“The countdown is now underway,” NASA said in its Artemis blog at 5:00 pm Eastern Time (2100 GMT), … read more
