The Seven Questions: What It Actually Takes to Own a Personal Spacecraft

The Seven Questions

This is Research Report 002. For each question, we present the engineering reality as it stands in 2026, what CasDrive is designing toward, and what remains unsolved.

1. How Do You Safely Get to Space?

The Problem

Getting to space means accelerating from 0 to 28,000 km/h (orbital velocity) while keeping a human body intact. Today's rockets do this in about 8.5 minutes, pushing occupants into their seats at 3-4g.

Current State of the Art

Safety record: Since 2003, zero astronaut fatalities during launch. Historical fatality rate was ~3-6% per mission; modern commercial crew vehicles are accumulating flights without incident. By comparison, commercial aviation operates at 1 fatal accident per ~11 million flights.

The gap: Spaceflight is improving rapidly but remains orders of magnitude riskier than air travel. CasDrive's target is to close this gap through redundant systems, autonomous abort, and gentler acceleration profiles.

What CasDrive Is Designing

For CD-1 (Near-Earth Orbital Commuter):

• Target max acceleration: 2.5g sustained, never exceeding 4g even in abort — tolerable for untrained adults
• Launch mode: Vertical takeoff with propulsive landing (SpaceX has proven this works)
• Abort coverage: Full-envelope abort capability from pad to orbit insertion. The spacecraft can separate and land autonomously at any point during ascent
• Automation: No pilot input required during launch. The occupant is a passenger, not a pilot

Longer term (CD-3+):

• Continuous low-g acceleration (0.3-1g) using advanced propulsion, eliminating the violent launch phase entirely
• Spaceplane architectures (runway takeoff to orbit) become viable once propulsion efficiency allows it

What Remains Unsolved

• Reducing launch costs to personal-vehicle levels (currently ~$2,700/kg to LEO on Falcon 9, needs to drop 10-100x)
• Proving reusable heat shields can survive thousands of cycles without inspection
• Regulatory frameworks for non-professional space operators don't exist yet

2. How Do You Safely Return?

The Problem

Returning from orbit means decelerating from 28,000 km/h to zero, converting that kinetic energy into heat. Plasma temperatures outside the spacecraft reach 1,600-2,000 degrees C. The human inside must experience less than 4-5g of deceleration.

Current State of the Art

Key development — Dream Chaser (first flight Q4 2026): This winged spaceplane re-enters at under 1.5g and lands on any commercial airport runway. This is the closest existing design to what a personal spacecraft return should feel like.

Emerging tech — LOFTID: NASA's inflatable heat shield demonstrator (2022) proved that a large, deployable aerodynamic decelerator can slow a vehicle from hypersonic speeds. This could enable landing without wings or parachutes.

What CasDrive Is Designing

For CD-1:

• Target reentry G-force: 2g or less sustained (lifting body design, similar to Dream Chaser)
• Landing method: Propulsive vertical landing at home pad, with runway glide as backup mode
• Heat shield: Reusable ceramic composite, designed for 100+ reentries without replacement
• Automation: Fully autonomous reentry, deorbit burn, and landing. Occupant does nothing

Key design decision: We favor propulsive landing (SpaceX-style) over parachutes. Parachutes cannot target a specific landing pad. For a personal vehicle that returns to your home, precision matters — within meters, not kilometers.

What Remains Unsolved

• Reusable heat shields that survive hundreds of cycles without ground inspection between flights (current best: ~5 flights before refurbishment)
• Autonomous landing precision in adverse weather (wind, rain, low visibility)
• Sonic boom mitigation for residential areas (current reentry sonic booms would not be acceptable over neighborhoods)

3. How Do You Buy One?

The Problem

No one has ever sold a spacecraft to a private individual for personal use. The closest analogies are private jets and superyachts — but spacecraft are in a different regulatory universe.

Price Context (2026)

The pattern: Today's space "access" is sold as experiences (tickets), not vehicles. CasDrive's model is the opposite — you buy the spacecraft itself.

CasDrive's Commercial Model

Direct sales, no dealers. Like Tesla's automotive model, but for spacecraft:

• Configure online — Select your model (CD-1 through CD-3), choose cabin layout, range package, color
• Order placement — Deposit + financing arrangement (structured like private jet financing: 10-20 year terms)
• Build slot — Manufacturing timeline communicated upfront
• Delivery + training — Spacecraft delivered to your designated landing facility. 40-hour certification program included (based on private pilot license model, not astronaut training)
• Maintenance contract — Annual inspection + systems refresh. Think of it like aircraft maintenance, not space program refurbishment

Price targets by generation:

These targets require launch costs to drop to ~$50-100/kg to LEO (vs. ~$2,700/kg today). SpaceX's Starship is projected to reach $100-200/kg within this decade.

Regulatory Reality

• FAA Commercial Space Transportation License: Required for any launch from U.S. soil. Currently designed for operators, not owners — regulatory framework will need to evolve
• ITAR (International Traffic in Arms Regulations): Spacecraft technology is export-controlled. Selling to international buyers requires State Department approval
• Operator licensing: No "personal spacecraft pilot license" exists. CasDrive will need to work with regulators to create one (closest model: FAA private pilot certificate)
• Insurance: Space insurance is currently per-mission. A personal vehicle needs annual coverage — this product doesn't exist yet

What Remains Unsolved

• Regulatory category for personally-owned spacecraft (doesn't exist)
• Insurance products for routine personal spaceflight
• Financing instruments (banks don't yet appraise spacecraft as collateral)
• International sales framework under export controls

4. Where Do You Park It?

The Problem

A personal spacecraft needs a place to launch from and return to. Ideally, that's your property — the way a car sits in your garage or a helicopter on your roof.

Current Infrastructure

Nearest analogy — eVTOL vertiports: The FAA published vertiport design standards in December 2024 (EB 105A) for electric air taxis. Key specs: touchdown area sized to the vehicle's rotor diameter, load-bearing surface, obstacle-free approach/departure paths, 300kW-1MW charging infrastructure. These standards are the regulatory seed for personal spacecraft pads.

What CasDrive Is Designing

The Home Pad concept for CD-1:

• Footprint: 20x20m reinforced landing surface (comparable to a large residential driveway)
• Blast deflection: Integrated exhaust channel beneath the pad surface — directs engine exhaust down and outward, away from structures
• Noise: CD-1's electric pump-fed engines are significantly quieter than chemical rockets. Target: <85 dB at 100m (comparable to a helicopter)
• Fuel storage: Cryogenic methane + LOX tanks, underground, auto-filled by delivery service (like propane delivery but with more safeguards)
• Safety zone: 50m radius clear area during launch/landing operations (alert system notifies neighbors)
• Estimated pad cost: $500,000-2M installed (comparable to a high-end swimming pool + garage)

Alternative — CasDrive Port (shared facility):

Not everyone will want a home pad. CasDrive Ports would function like marinas for boats:

• Park your spacecraft in a hangar bay
• Fueling, maintenance, and inspection services on-site
• Launch/land from a shared pad
• Located outside residential zones, 15-30 min drive from city centers

What Remains Unsolved

• Residential zoning for spacecraft operations (no jurisdiction has addressed this)
• Noise certification standards for personal spacecraft
• Neighbor consent / community impact frameworks
• Underground cryogenic storage safety codes for residential areas
• Sonic boom corridors for departure and arrival paths

5. What Powers It? How Far Can You Go?

The Problem

Rockets are the least fuel-efficient vehicles ever built. A Falcon 9 burns 395 tonnes of propellant to lift 22.8 tonnes to LEO — a mass ratio of 17:1. For personal spaceflight to work, energy economics must fundamentally change.

Energy Cost to Orbit (2026)

The tyranny of the rocket equation: The fuel needed to carry fuel grows exponentially with delta-v. Chemical rockets are fundamentally limited to ~4.5 km/s exhaust velocity. To reach orbit (9.4 km/s delta-v), you need ~85-90% of your launch mass to be propellant.

Propulsion Fuel Efficiency Comparison

CasDrive's Energy Architecture by Generation

CD-1 (orbital commuter): Chemical launch (LOX/methane) for ascent — it's the only proven way up. Ion thrusters for orbital maneuvering — 10x more fuel-efficient than chemical. Range: LEO operations, ~24-48 hour endurance. Refueling at home pad or CasDrive Port.

CD-2 (lunar express): Nuclear thermal propulsion for trans-lunar injection (2-3x better fuel efficiency than chemical). Range: Earth-Moon round trip without refueling. Refueling: Earth-based only (until lunar infrastructure exists).

CD-3 (solar cruiser): Nuclear fusion primary drive. Range: Inner solar system (Mars, asteroid belt, Jupiter system). Refueling: In-space resource harvesting (water ice to hydrogen/oxygen).

CD-5+ (galactic range): Zero-point energy / Casimir-effect drive (if achieved, effectively unlimited range). No refueling needed — draws energy from quantum vacuum.

What Remains Unsolved

• Making chemical launch affordable enough for weekly personal use (~$50-100/kg target)
• Nuclear thermal propulsion certification for crewed civilian spacecraft
• Fusion propulsion: net energy gain achieved (NIF, 2022), but engineering a compact flight engine is decades away
• Zero-point energy extraction at useful power levels — current lab results produce piconewtons

6. What's It Like Inside?

The Problem

A personal spacecraft isn't a capsule you endure for a few hours. For CD-2 and beyond, you may live inside for days or weeks. The cabin must be a living space, not a survival pod.

Current Spacecraft Interiors

Context: A first-class airline suite is about 5 cubic meters. A typical hotel room is 30-40 cubic meters. Current crewed capsules offer less space per person than an economy airplane seat.

Life Support Requirements

Radiation reality: In LEO (CD-1 range), Earth's magnetic field provides significant protection. Daily dose is ~0.5-1 mSv — about equivalent to a chest X-ray. For lunar trips (CD-2), exposure increases 2-5x. Deep space (CD-3+) requires active shielding — current best concept is a water jacket surrounding the crew area.

What CasDrive Is Designing

CD-1 cabin concept (1-2 occupants):

• Pressurized volume: 20 cubic meters (10 cubic meters per person — 4x current capsules)
• Panoramic windows: Fused silica, structural, spanning 120 degree forward view
• Artificial gravity: None (short missions, microgravity is the experience)
• Noise level: <60 dB (quieter than a conversation — current spacecraft average 60-70 dB)
• Seating: Reconfigurable — upright for launch/landing, reclined for cruise, flat for sleep

CD-3 cabin concept (4-6 occupants, multi-week):

• Pressurized volume: 120+ cubic meters
• Centrifugal gravity ring: 0.3-0.5g in living quarters (eliminates bone/muscle loss)
• Private sleeping quarters, shared galley, exercise area
• Full water recycling + food preparation facility
• Medical bay with telemedicine link

What Remains Unsolved

• Compact, reliable life support for months without resupply (current systems need regular maintenance)
• Effective radiation shielding that doesn't add thousands of kg
• Artificial gravity at small spacecraft scale (centrifugal rings create Coriolis effects at small radii)
• Food systems beyond pre-packaged meals for long-duration flights

7. How Fast? How Long to the Moon? Can Your Body Handle It?

The Numbers

Orbital velocity (minimum to stay in space): 28,000 km/h (7.8 km/s)

Speed records:

• Fastest human spacecraft ever: Apollo 10 — 39,897 km/h (11.08 km/s) during lunar return
• Fastest human-made object: Parker Solar Probe — 635,266 km/h (176.5 km/s)

Transit Times by Propulsion Method

The 1g dream: If you could accelerate at 1g continuously (accelerate halfway, decelerate the second half), space travel transforms. The Moon becomes a morning trip. Mars is a weekend. Jupiter is a week-long cruise. And your passengers experience Earth-normal gravity the entire way. This is what CD-5 and beyond are designed to achieve.

Human G-Force Tolerance

CasDrive's design envelope: No CasDrive spacecraft will subject occupants to more than 3g under normal operations, or 4.5g in emergency abort. This means any healthy adult can fly without specialized training or G-suits.

The microgravity question: For short trips (CD-1, CD-2), microgravity is a feature — floating is the experience. For longer trips (CD-3+), prolonged weightlessness causes bone density loss (~1-2% per month), muscle atrophy, and fluid redistribution. Solution: centrifugal artificial gravity in the crew module.

CasDrive Transit Time Targets

What Remains Unsolved

• Continuous-thrust propulsion with sufficient fuel efficiency for 1g acceleration over days/weeks
• Long-duration radiation exposure mitigation beyond LEO
• Autonomous collision avoidance at high velocities (debris, micrometeoroids)
• Deceleration solutions for interstellar speeds (you have to slow down, too)

Summary: The Honest Scorecard

Every column moves from left to right. The question is not whether, but when.

Research Report 002 — CasDrive

March 2026