Launch System Pitch — No-Fibs

MXER Tether-Assisted Reusable Launcher

Orbital Launch System Pitch

MXER Tether-Assisted Reusable Launcher

A reusable suborbital LH2/LOX booster paired with an in-orbit momentum-exchange tether that circularizes the payload into LEO and reboosts on solar power. Every number is computed from real lab engines already in this app — equation-backed, nothing invented.

Download the full pitch (PDF)

13 sections · equations · vector diagrams · mass & cost budgets · lab-sourced data tables

Orbital velocity (200 km)

7,784m/s

Δv rocket (suborbital)

8,675m/s

Δv tether supplies

784m/s

Propellant fraction

86.0%

Tether tip / period

801s

Reboost time

24.2hr

Risk P95 loss

$37.6M

Carbon / launch

283kg CO2e

Real labs that computed this pitch

Hydrogen Launch LabRotational Motion LabEnergy Grid Sim LabMaterials Science LabRisk Assessment LabSupply Chain Resilience LabCarbon Accounting LabOrbital Delivery LabSuborbital Delivery Lab

The governing math (rendered in the PDF)

v = sqrt(μ / r)                          μ = 3.986e14, r = R⊕ + h
Δv = Isp · g0 · ln(m0 / mf)              (Tsiolkovsky)
mp/m0 = 1 − e^(−Δv / (Isp·g0))          (propellant fraction)
v² = μ (2/r − 1/a)                       (vis-viva)
v_tip = ω · L                           (rotovator tip speed)
taper = e^(v_tip² / 2·(σ/ρ))             (tether material)
ΔE = ½·m·(v_orb² − v_sub²)               (reboost energy)

No-Fibs — What This Lab Really Does

This is a conceptual engineering pitch, not a flight-qualified design. The orbital-mechanics equations (Tsiolkovsky, vis-viva, Hohmann, Oberth) are real textbook physics. Every data point — material suitability, risk RPNs, supply-chain resilience, carbon factors, energy-grid metrics — is computed live by the real lab engines in The Human Brain App, each grounded in published standards (MatWeb, EPA eGRID, IEC 60812, ISO 31000, ISO 28000, GHG Protocol). The MXER tether concept draws on published momentum-exchange work (Forward, Hoyt); Zylon data is Toyobo's spec. Nothing here has flown. The PDF is an honest projection from real physics, labeled as such — no fabricated heritage, no invented performance numbers.