Revolutionary new single stage Aerospike powered rocket set for 2018 launch Revolutionary new single stage Aerospike powered rocket set for 2018 launch
WHY THIS MATTERS IN BRIEF All of today’s rockets are expensive, complex multi stage systems, but ARCA’s new Aerospike powered rocket will be the... Revolutionary new single stage Aerospike powered rocket set for 2018 launch


  • All of today’s rockets are expensive, complex multi stage systems, but ARCA’s new Aerospike powered rocket will be the world’s first single stage rocket to travel from Earth to orbit


Today, every rocket that’s launched into space is what is known in the industry as a two stage, or a multi stage, rocket system. In short that means that the lower stage – the one carrying the fuel and the engines – boosts the upper stages into orbit where they all separate and go their own ways, with the lower stage either falling back to Earth, or as is the case with the SpaceX Falcon 9, returning to Earth in a controlled descent, as the upper stages go on to release satellites and platforms into orbit.


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It’s an approach that’s complex and expensive – even today as SpaceX do their best to build small, “single core” and heavier “triple core” re-useable rocket platforms, like the Falcon 9 and the Falcon Heavy, that are helping lower the cost of a rocket launch by a hundred fold.

Since the cancellation of the Lockheed Martin X-33 VentureStar program in the early 2000’s though a single stage rocket, powered by a new type of rocket motor technology, called a linear Aerospike, has been little more than a dream for many of those in the industry – including NASA who’ve been trying to perfect the technology since the 1960’s. But now, one New Mexico based company, ARCA Space Exploration plans on making single stage rockets, and the linear Aerospike, a reality, and they’ve just unveiled their new Haas 2CA rocket which will launch early next year.



An Aerospike works by cutting a rocket engine’s bell in half, then placing the two halves back to back to form a tapering spike. The principle behind the Aerospike is that the air itself acts as the missing half of the rocket bell, containing the hot gases as they leave the combustion chamber.

This means that as the rocket flies higher, the thinner air holds the gases less tightly and they spread out more – as if the rocket bell has gradually grown larger. This allows the Aerospike to automatically adjust itself in flight, turning itself from a sea level engine into a high altitude one as the air gets rarer.


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According to ACRA, this allows the Haas 2CA to generate up to thirty percent more impulse, or thrust, than today’s best rocket engines. Also, by using 16 combustion chambers that can be individually throttled, the new Aerospike rocket can be steered without the need for a heavy and complex gimbaling system, making the rocket lighter, cheaper and more efficient.

When completed, the Haas will stand 53 ft tall with a diameter of 5 ft and weigh in at 1,210 lb (550 kg) or 35,887 lb (16,290 kg) fuelled, in part thanks to ACRA’s proprietary light, composite materials that they’re using to build the rocket with.



Unlike other systems that use cryogenic propellants, the Haas burns hydrogen peroxide and RP-1 – a highly refined form of kerosene which is capable of punching 50,500 lb of thrust at sea level. This will let the Haas  place a payload of 220 lb (100 kg) into low Earth orbit at 24 hours notice for about $10,000 per pound or $4,545 per kilogram, which is much cheaper than even today’s lowest cost SpaceX alternatives.

Aimed at the microsatellite market, the Hass ARCA have co-developed the rocket with NASA’s Kennedy, Ames, Wallops, Marshall, Stennis, and Johnson Space Centers for the Cooperative Opportunity Program, and it’s scheduled to make its maiden flight from the Wallops Flight Facility in 2018. In addition, the company is negotiating to use the Spaceport America in New Mexico as a launch base.

“When the Haas 2CA rocket launches, it will be the first rocket in history to place itself entirely into orbit [as a single stage],” says Dumitru Popescu, ARCA Space Corporation CEO.


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“This opens new frontiers for exploration of the Solar System as the rocket can be re-fuelled in orbit and re-utilize its aerospike engine thus eliminating the need for additional upper stages. After the full qualification, the vehicle could be operated from inland spaceports as there are no stages that fall on the ground at burnout. Staged rockets, even though they provide more payload performance for the same take off mass, are less reliable because of an increased number of parts due to flight events requested by staging and ignition of the upper stage engine,” he said.

“Also, staged rockets are deemed to be more expensive because they are literally made up of more than one rocket. Manufacturing and assembling more rockets in one launcher requires more, time, money, and personnel. The SSTO technology, once implemented, will increase the space flight responsiveness and lower the cost to values expected by the industry for decades. This rocket will also be the fastest vehicle to reach orbit, taking less than five minutes.”

Matthew Griffin Global Futurist, Tech Evangelist, X Prize Mentor ● Int'l Keynote Speaker ● Disruption, Futures and Innovation expert

Matthew Griffin, Futurist and Founder of the 311 Institute, a global futures think tank, is described as “The Adviser behind the Advisers.” Recognised in 2013, 2015 and 2016 as one of Europe’s foremost futurists, innovation and strategy experts Matthew mentors several XPrize teams, and is an award winning author, entrepreneur and international speaker who is regularly featured on the BBC, Discovery, Kurzweil, Newsweek, TechCrunch and VentureBeat. Working hand in hand with accelerators, investors, governments, multi-nationals and regulators around the world Matthew shines a light on the future and helps them transform their industries, organisations, products and services by demonstrating how the combination of democratised, and increasingly powerful emerging technologies, are helping fuel cultural, industrial and societal change that is transforming old industries and creating new ones. Matthew’s clients include Accenture, Bain & Co, Bank of America, Booz Allen Hamilton, Boston Consulting Group, Dell EMC, Deloitte, Deutsche Bank, E&Y, Fidelity, Goldman Sachs, Huawei, JP Morgan Chase, KPMG, McKinsey & Co, PWC, Qualcomm, SAP, Schroeder’s, Sequoia Capital, UBS, the UK’s HM Treasury, the USAF and many others.

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