Philip Swan

Bio

Latest Concepts

• Venus is the Most Promising Candidate for Human Settlement (after Earth) • 6/6/2026, 5:46:58 PM
• A fully and rapidly reusable, two-stage, methalox-fueled heavy-lift launch system to LEO • 9/8/2025, 9:38:53 PM
• Variable Pitch Screw Launcher (from Earth to Mars) • 9/8/2025, 8:43:17 PM

Latest Claims

• Variable Pitch Screw Launch offers a compelling risk-adjusted return on investment(WIP) • 6/13/2026, 10:09:17 AM
• Momentum transfer is cheaper to modulate than the high-power magnetic fields used for electromagnetic acceleration • 6/6/2026, 6:59:26 PM
• The risk of Earth back-contamination from Venus-returning explorers is low.(WIP) • 6/6/2026, 6:38:40 PM
• Venus is less susceptible to contamination by explorers from Earth.(WIP) • 6/6/2026, 6:37:13 PM
• Durable habitable vehicles can be built to float or fly in Venus's upper atmosphere.(WIP) • 6/6/2026, 5:56:07 PM
• It's possible to collect sulfuric acid droplets from Venus's atmosphere and process them to extract water.(WIP) • 6/6/2026, 5:50:23 PM
• It's the easiest planet to travel to from Earth, both from an orbital mechanics perspective and from an entry-and-descent perspective (landing is not required).(WIP) • 6/6/2026, 5:49:02 PM
• The Elevated Evacuated Tube can be designed so that lift-fan power-loss will not endanger people or infrastructure below. • 5/12/2026, 7:23:20 PM
• No unobtanium - VPSL can be built from well-understood materials that are already commercially available • 5/5/2026, 7:31:03 PM
• A long tube equipped with a vacuum pumping system can be built to achieve the required vacuum level cost-effectively • 5/5/2026, 6:40:05 PM

Latest Reviews

• supporton this claim • 8/9/2026, 1:11:33 AM
• supporton this claim • 7/6/2026, 7:51:18 PM
• supporton this claim • 3/21/2026, 12:47:41 AM