Venus Aerospace has made the most efficient rocket engines ever flown. They will go from runway to mach 9 hypersonic speed. The Venus Aerospace Stargazer M4 is designed to reach a top speed of Mach 9, which is approximately 6,900 mph. While its cruise speed is planned to be around Mach 4-5, the engine combination for the Stargazer M4 is capable of reaching Mach 9 at its maximum velocity.
Combining a ramjet with the Venus RDRE–the most efficient rocket engine ever flown, the VDR is the most viable solution to take you from take-off to Mach 5.
Due to its simple design, standard materials, engine efficiency, and reusability, the VDR is affordable to produce, operate, and maintain, delivering revolutionary capabilities at lower cost.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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“most efficient rocket engines ever flown”
The claim is not correct based on available data.
While the RDRE represents a breakthrough in detonation-based propulsion (potentially scalable and cost-effective), its demonstrated Isp does not exceed that of established upper-stage engines like the Aerojet Rocketdyne RL10, which has flown extensively with a vacuum Isp of 465.5 seconds.
RDREs offer promise for overall system efficiency (e.g., compactness, lower production costs), but Venus has not publicly disclosed Isp values surpassing RL10’s record for chemical rocket engines.