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Photon is a satellite bus based on Rocket Lab's Electron kick stage. [1] It moves satellites into their appropriate orbits once boosted by rockets such as Electron. It is customizable for uses including LEO payload hosting, [ 2 ] lunar flybys, and interplanetary missions.
A photo-Carnot engine is a Carnot cycle engine in which the working medium is a photon inside a cavity with perfectly reflecting walls. Radiation is the working fluid, and the piston is driven by radiation pressure. A quantum Carnot engine is one in which the atoms in the heat bath are given a small bit of quantum coherence. The phase of the ...
A photon rocket is a rocket that uses thrust from the momentum of emitted photons (radiation pressure by emission) for its propulsion. [1] Photon rockets have been discussed as a propulsion system that could make interstellar flight possible during a human lifetime, which requires the ability to propel spacecraft to speeds at least 10% of the speed of light, v ≈ 0.1c = 30,000 km/s. [2]
Photon uses chemical propulsion for orbit adjustments. It can use a variety of engines, such as the Curie and HyperCurie engines, as well as engines from third-party sources, such as the one powering the EscaPADE mission. [161] Photon first launched in August 2020 on Rocket Lab's I Can't Believe It's Not Optical mission, where it served as a ...
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If we were to set 80% of the mass of the photon rocket = fissionable fuel, and recognizing that nuclear fission converts about 0.10% of the mass into energy: then if the photon rocket masses 300,000 kg then 240,000 kg of that is atomic fuel. Therefore, the fissioning of all of the fuel will result in the loss of just 240 kg of mass.
Its Rutherford engines are the first electric-pump-fed engine to power an orbital-class rocket. [17] Electron is often flown with a kickstage or Rocket Lab's Photon spacecraft. Although the rocket was designed to be expendable, Rocket Lab has recovered the first stage twice and is working towards the capability of reusing the booster. [18]
The Curie engine, named after Polish scientist Marie Skłodowska–Curie, is a small liquid-propellant rocket engine designed to release "small satellites from the constricting parameters of primary payload orbits and enables them to fully reach their potential, including faster deployment of small satellite constellations and better positioning for Earth imaging". [3]