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Entries

Date Title Views

Free Valve Valvetrain

The challenge:

Renewable fuel based on alcohols, like Methanol, Ethanol and Butanol, show great advantages not only in CO₂ reduction, but also in the engine’s efficiency and its maximum performance. They are however more difficult to vaporize than gasoline, which means difficulties at start up and in general when it is cold.

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Kanuru Venugopalakrishna
Hyderabad, India
Votes: 1
Views: 698
Automotive/​Transportation
Apr 4, 2025

For Rotor Drones: Reed Type Dow Tail Fluttering Aero Drives

Rotor drone uses aero foil types rotor blades. With deep study on rotor drone and aero foils blades found that drag forces acts on the aero foils. So that fly times very low. So inspired a rotor drone new rotor mechanism by coil wrapped magnetic attraction by simple with relay switch. Fluttering was able to make.

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Philip Perera
Negombo, Sri Lanka
Votes: 0
Views: 860
Robotics & Automation
Apr 4, 2025

Bioresorbable Ureteral Stent

Our product is a next-generation, biodegradable, drug-eluting ureteral stent designed to address critical challenges in urological care. Current stents, typically made from non-degradable materials, are associated with complications such as encrustation, biofilm formation, and urinary tract infections (affecting 5–10% of patients), as well as the need for secondary surgical removal,

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Eswara G R
Erode, India
Votes: 8
Views: 1074
Medical
Apr 4, 2025

AutoPods

You're looking for a **vehicle design** with an emphasis on **communications, power, and safety subsystems**—that sounds like an autonomous or specialized transport system. Here's a structured approach to synthesizing such an **AutoPod assembly**:

The general components of the pod shall cover an ideal combination of the navigation propagators in land, air and water.

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Jonah Emeson
Abuja, Nigeria
Votes: 0
Views: 730
Automotive/​Transportation
Apr 3, 2025

Improved Hovercraft

This improvement of an aerofoil compensates for side winds.

Large trucks produce excessive greenhouse gasses due to inefficient reciprocating engines and complicated gearboxes. This hovercraft would be much better because it eliminates friction with the road surface due to flexing tyres and suspension. It can also run on alcohol, a non fossil fuel, which can be produced from corn.

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David Brown
Stafford, United Kingdom
Votes: 0
Views: 688
Energy, Power & Propulsion
Apr 1, 2025

Improved Two Stroke Engine for Small Automobile

First impressions of the Messerschmitt bubble car might be that it is an inferior vehicle, but read what Wikipedia has to say about it. Designed by Fritz Fend, a designer of fighter aircraft, it broke all records for a small engine vehicle on the Hockenheimring. A modern version would be bigger to accommodate better seats .

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David Brown
Stafford, United Kingdom
Votes: 0
Views: 752
Automotive/​Transportation
Apr 1, 2025

Project Locker

Project Locker has two parts, the first part leads the way two the second part.

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Debangshu Dutta
Durgapur, India
Votes: 0
Views: 430
Electronics
Mar 27, 2025

Flexible Multilayered Ceramics

Traditional ceramics, while offering exceptional hardness and durability, are inherently brittle, limiting their use in applications requiring both flexibility and impact resistance. This study investigates the mechanical performance of soft, multilayered ceramics, focusing on how hexagonal tile size, adhesive interlayer thickness, and layer configuration influence flexural compliance, penetration resistance, and energy absorption.

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Hamidreza Yazdani Sarvestani
Laval, Canada
Votes: 0
Views: 744
Aerospace & Defense
Mar 26, 2025

Z-Tanew - Zeolite and Metakaolin used for light Leather Tanning for Automotive/Transport and Aerospace

Zeolites and Metakaolin are part of the ceramic materials. These structures are metal oxides, when using zeolite modified with combination with Metakaolin that is modified, for leather tanning you choose for a heavy metal free and chrome free metal tannage.

Z-TANEW. Free of chromium, aldehydes, and heavy metals, protecting the environment and providing consistently high quality.

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Hector Bazan
El Paso, United States
Votes: 3
Views: 925
Manufacturing & Materials
Mar 25, 2025

100X Audio Digital-to-Analog Performance Improvement

Multi-Path is a profoundly new audio D-to-A conversion architecture that improves today's best DAC performance by 100X (40dB) or more. Noise, Linearity, and Dynamic Range are so advanced that today's finest test equipment cannot fully measure it (40nVrms broadband noise floor).

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John La Grou
Diamond Springs, United States
Votes: 16
Views: 1729
Electronics
Mar 24, 2025

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