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Aerospace & Defense

Date Title Views

PID Light Meter Controller - Measure the Amount of Light a Star Emits

This project can be applied in Astronomy / Photography, and has the goal of developing a system with which we can measure and control the amount of lighting that a star or a galaxy emits using PID controller. For our best study,

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Guillermo Perez
Ciudad De México, Mexico
Votes: 1
Views: 448
Aerospace & Defense
Apr 22, 2026

Hybrid-Electric Propulsion for Regional Jets

Subtitle: A Modular Approach to Sustainable Regional Aviation 

Regional aviation is essential for connectivity, yet short-haul flights are disproportionately carbon-intensive. Our hybrid-electric propulsion system offers a practical, scalable solution to reduce emissions while maintaining operational efficiency.

The Challenge

Short-haul flights produce high emissions per passenger.

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Bishnujee Singh
Lynnwood, United States
Votes: 0
Views: 441
Aerospace & Defense
May 2, 2026

AB-U10: Autonomous Airborne Net-gun Interceptor for Counter-UAS Operations

The AB-U10 is an autonomous airborne counter-UAS (C-UAS) interceptor powered by Electric Ducted Fan (EDF) vectored thrust technology. Unlike ground-based jammers, nets, or kinetic effectors, the AB-U10 launches vertically without a runway or catapult, climbs to intercept altitude within seconds,

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Ryan Lee
Cheonan, Korea South
Votes: 0
Views: 437
Aerospace & Defense
Jun 16, 2026

H2EM Jet Engine: Electromagnetic Field Hydrogen Combustion Aviation Turbine

Beyond Whittle proposes a replacement architecture for aviation combustion: an electromagnetic field‑governed reaction kernel that stabilises hydrogen combustion without swirl, without geometry‑anchored flameholding, and without the thermoacoustic and flashback instabilities that make hydrogen fundamentally incompatible with Whittle’s 1940s combustor topology. As the document states, “hydrogen’s ultra‑high flame speed,

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Wayne Griffiths
Auckland City, New Zealand
Votes: 6
Views: 423
Aerospace & Defense
May 13, 2026

Aircraft Sealant Scraper

One of most terrible tasks in aircraft maintenance is sealant removal. Although terrible, still need someone to finish. Sealant is one of the important elements for aircraft family. That's why I developed a tiny but powerful tooling for aircraft.

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Chin Tang Sam
Hong Kong, Hong Kong
Votes: 1
Views: 422
Aerospace & Defense
May 20, 2026

Griffiths EM-Governed Hydrogen Aero Engine A No Hydrogen Storage, Field-Gated, On-Demand Ammonia-Cracking Hydrogen Architecture for Piston–Propeller Aircraft

The H2 EM Aero Engine is a field governed, ammonia fuelled hydrogen combustion architecture designed for piston propeller aircraft. It eliminates the storage problem that has made hydrogen impractical for general aviation by cracking ammonia on demand and producing only the hydrogen required for the next combustion cycle. No hydrogen is ever stored on board.

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Wayne Griffiths
Auckland City, New Zealand
Votes: 4
Views: 420
Aerospace & Defense
May 13, 2026

Integrated Five-Technology, Four-Layer Active/Passive Defence Architecture for Deep-Space Habitats Including Governed Dust — A Reactive EM Field Architecture for Upstream Capture and Downstream Protection

GRFF v8.0 — the Griffiths Reactive‑Field Framework — is a four‑layer, five‑technology active/passive defence architecture engineered for long‑duration deep‑space habitats operating beyond Earth’s magnetosphere. It addresses the full spectrum of deep‑space hazards: hypervelocity micro‑debris, micrometeoroids, charged‑particle flux, dust clouds, and solar‑particle events. Deep‑space structures face “persistent,

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Wayne Griffiths
Auckland City, New Zealand
Votes: 6
Views: 418
Aerospace & Defense
May 13, 2026

LZ Guardian AI: Ground-Deployed Safety for Helicopter Landing Zones

The most dangerous obstacle in a helicopter rescue is often the one nobody can see. Every day, air-medical crews, firefighters, search-and-rescue teams, law enforcement, and military aviators land at unprepared sites full of hidden hazards. Wires are the deadliest of all. They are nearly invisible from the air even through night-vision goggles,

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Charles Cain
Covington, United States
Votes: 1
Views: 416
Aerospace & Defense
Jun 29, 2026

LunaSonar: Acoustic Spread-Spectrum Positioning, Navigation, Timing, and Command System for UAV Swarms

Problem

Modern unmanned aerial vehicle (UAV) operations depend heavily on Global Navigation Satellite Systems (GNSS) and radio-frequency (RF) communications for positioning, timing, synchronization, and command dissemination. In military operations, underground facilities, tunnels, industrial plants, warehouses, and disaster-response environments, these signals may be unavailable, intentionally jammed, or restricted,

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Matjaz Zibert
Kranj, Slovenia
Votes: 1
Views: 412
Aerospace & Defense
May 31, 2026

DIVVCRN-Space: Distributed Intelligent Satellite to Satellite Energy Relay Network

DIVVCRN-Space is distributed orbital power architecture that enables satellites to operate as cooperative energy network rather than as isolated spacecraft. Each satellite is equipped with solar generation, onboard energy storage, power conditioning electronics, autonomous energy management software, inter satellite communications and laser based power transmission and reception systems.

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Anteneh Gashaw
Addis Ababa, Ethiopia
Votes: 1
Views: 409
Aerospace & Defense
Jun 25, 2026

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