Ultralight ducted fan r. It can be covered in either new sails or in traditional aircraft fabric. The dual roles include passenger transportation for urban air mobility as well as transportation of supplies and personnel for military applications. Ultra-Prop Propellers, Carbon Fiber Composite, for Ultralight, Micro light , Experimental Aircraft, Airboats, Airboat Fans, Mini-Airboats, Hovercraft, VTOL, Drones Apr 2, 2025 · Whisper Ultralight is an Aeriane Swift3, foot-launched glider modified with quiet electric ducted fans. The impact of battery technology on the characteristics of the sized all A para-plane (parachute or parafoil airplane), ultralight, or the like is provided with a ducted propeller or fan to increase efficiency of the powerplant, thus reducing the size of the powerplant required. In this article, we'll explore the fascinating world of ducted fans, their advantages, and how they are shaping the future of transportation. An airplane of this type would offer the feeling of jet-powered Apr 21, 2021 · The pilot is surrounded by ten ducted fans designed to lift and land the vehicle vertically from a dead stop. Many years ago, when all the rest were producing EDF systems which were loud and annoying, Stumax Aircraft introduced the first ever EDF system designed to sound right, the SM110-52. May 13, 2018 · Ducted fan-powered ultralight (UL) aircraft UL-39 Albi has been developed at the Department of Aerospace Engineering at Faculty of Mechanical Engineering of the Czech Technical University in Prague. Oct 18, 2018 · Bob is currently a Technical Fellow at Aurora Flight Sciences, a subsidiary of Boeing. ” It might be difficult to find comparables, with Whisper’s unique design features, although their chart shows noise levels of small model aircraft electric ducted fans. It has the advantages such as light pollution, low noise, high energy utilization ratio, simple structure, easy maintenance, high reliability, less heat radiation, little operation cost and so on. The brand new impeller Jetfan-120 PRO was developed by E-Jets for the 120mm EDF class. An airplane of this type would offer the feeling of jet-powered flight to a relatively large popu-lation at a very much lower cost than a real jet plane. This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. He mainly works on the design of non-traditional aircraft, including s 1 Introduction About 12 years ago, the idea of building an ultra-light aircraft powered by a ducted fan arose at CTU in Prague. 2) Modeling the propulsion unit installation and developing The four ducted fans are a plug-and-play modular propulsion system which provide a combined 784 lb (356 kg) of thrust. , and Zall JIHLAVAN Jun 4, 2019 · First test flight took place on 4 April 2016 by Radim Sterba, Skyleader test pilot. The propulsion unit design is applied for the propulsion of a fully composite ultra-light airplane specially designed as a replica of the jet trainer Aero Vodochody L 39 Albatros. Greenheck Fan is the worldwide leader in manufacturing and distributing air movement, air conditioning and air control equipment. (Photo: Whisper Aero) Jul 12, 2023 · The company has created quiet and small electric ducted fans that can power drones, jets, and even gear like leaf blowers. A pusher aircraft is a type of aircraft using propellers placed behind the engines. It used a petrol engine with two ducted fans to provide lift. 1 Introduction About 12 years ago, the idea of building an ultra-light aircraft powered by a ducted fan arose at CTU in Prague. The modified Swift Glider was displayed at the July 18 opening of Whisper’s flight test The twin ducted fan aircraft is powered by an LS6 modified Corvette engine that is actually mounted inside the fuselage and drives the two ducted fans through a transmission. 5 mi), and endurance of about 28 minutes of flight. Each power system includes EDF housing, fan and pre-installed brushless motor. The paper describes the specific procedure for determining the basic Jun 11, 2023 · An exclusive deep dive into Whisper Aero’s electric ducted fan technology and its vision aircraft for regional air mobility. Jun 29, 2003 · Does anyone know of a ducted fan powered ultralight aircraft / helicopter? I am interested in entering into this area of design and production but could use a little jump start. Feb 26, 2024 · The manufacturer of the seven-seat Lilium Jet begins to install a serial production line for the aircraft’s electric propulsion system, which powers 36 electric ducted fans. Jan 1, 2019 · The UL-39 Albi university's all-composite ultralight aircraft project, powered by a piston engine and ducted fan, continues at the Department of Aerospace Engineering at Faculty of Mechanical In this video, I will analyze the main advantages of ducted fans over unducted propellers, and I will explore a new and advanced eVTOL propulsion system that offers extra thrust during hover Explore the TriFan 600, XTI Aerospace’s revolutionary xVTOL airplane, leading the way in VTOL aircraft technology. It was specified to have a maximum speed of 40 km/h (25 mph), a flight ceiling of 2,500 ft (760 m), a range of 15–20 km (9. Several problems with the design of a Aug 22, 2021 · The UL-39 Albi airframe, ducted fan and many other components are made from pre-preg carbon fibre composite which has been autoclaved for maximum strength. $2,500 1984 RANS S4 coyote Elmendorf, TX MESSAGE Clarence L Creer and 20 others Jan 5, 2012 · This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. At the same time, it would enable higher maximum speed than is usual for planes in this category with propellers Jan 13, 2025 · The augmented thrust plus propeller thrust allows a ducted fan system to have a smaller diameter than an open rotor or propeller for the same horsepower. Several problems with the design of a non-traditional aircraft of this kind are mentioned, e. For historical interest, pusher aircraft are also classified by date. In addition, the duct may reduce propeller and/or engine noise and enhance safety for pilot, passengers and bystanders. Some aircraft have a Push-pull configuration with both May 28, 2023 · First power up of our EDF. o. The document summarizes the design optimization of an ultra-light ducted fan propulsion system for a two-seated airplane. 5–12. This will be used to power a glider using a 28s19p (117V 95Ah) battery pack that we are designing. The multi-fan setup is purposely redundant to ensure maximum safety should any one (or Sep 6, 2020 · RANS S4 Coyote Ultralight airframe and wings with all original documentation. Ducted fan-powered ultralight (UL) aircraft UL-39 Albi has been developed at the Department of Aerospace Engineering at Faculty of Mechanical Engineering of the Czech Technical University in Prague. The feasibility study of ultra-light ducted fan propulsion unit driven by a motorcycle piston engine was made. It's an electric ducted fan. The UL-39 Albi represents 18 years of design testing and development. Jun 12, 2023 · The Whisper ducted fan has been “optimized for lowest noise and highest efficiency,” Moore wrote in his paper, “Unlocking Low-Cost Regional Air Mobility through Whisper Aero-Propulsive Coupling. The propulsion system of ultralight electric aircraft is one of the general aviation technology development directions. Serial number 001 has been built and is final stages of windtunnel testing, in-flight testing, and certification. It has been a long gestation period and still isn't ready for production, but it first flew in 2016 and made a big splash at AERO that year The feasibility study of ultra-light ducted fan propulsion unit driven by a motorcycle piston engine was made. Use the filter menu on the left to narrow your search results or browse EDF Power Systems below. g. The UL-39 Albi airframe, ducted fan and many other components are made from pre-preg carbon fibre composite which has been autoclaved for maximum strength. I am not completely sure that ducted fan would be the best option given the weight restriction (254 lbs) and the May 13, 2018 · Ducted fan-powered ultralight (UL) aircraft UL-39 Albi has been developed at the Department of Aerospace Engineering at Faculty of Mechanical Engineering of the Czech Technical University in Prague. ” Whisper, Moore and his co-founder Ian Villa presented the papers Monday afternoon, but I was permitted to read them prior to the conference. The Long-EZ, other than being a pusher, was probably not the ideal testbed to develop the ducted fan, but I did get almost 500 enjoyable flight hours in over 5 years from the configuration," said Mick. This is a Part 103 ultralight. The list includes these even if the pusher Stumax Aircraft is the world leader in electric ducted fan technology. Built in carbon fiber, it is powered by a BMW engine driving a “fan”. The UL-39 Albi is a two-seater resembling the silhouette of the L-39 Albatros military training aircraft on a reduced scale. Apr 18, 2023 · Armed with Series A funds, startup plans to launch production of electric ducted fans, beginning with military drones. Aug 29, 2017 · I first heard about this ducted fan "jet" six or seven years ago. Pushers may be classified according to lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft) as well as engine/propeller location and drive. At the same time, it would enable higher maximum speed than is usual for planes in this category with propellers This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. Jun 12, 2023 · Whisper Aero has revealed details of its hybrid-electric regional aircraft, the Whisper Jet, after a two year stealth period following its founding in 2020. If the ad is up, it is still available. Jan 5, 2012 · This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. It was notable for being a high-performance aircraft of radical design. Key aspects of the optimization included: 1) Designing the inlet channel to maintain laminar boundary layer flow and minimize pressure losses through careful shaping of the channel and acceleration of airflow. (Image: Whisper Aero). It targets the UL market. The VertiCycle appears to use the same lift motors as the company’s EJ-1B jetpack. Credit: Whisper Aero Whisper Aero has received funding to help modify a glider to flight Product Outcome All of Trek Aerospace’s aircraft employ ducted, counter-rotating fans attached to a central gearbox and drive train, connected to a power source. the design of the airframe, and the design of the propulsion unit. The design creates speed at very good static thrust. Page 2-Discussion 1:1 L-39 ducted fan ultralight Life, The Universe, and Politics Nov 30, 2022 · This paper demonstrates parametric definition and sizing of all-electric and hybrid-electric variants of a dual-purpose ducted fan lift-plus-cruise aircraft configuration. The US Federal Aviation Administration classified it as an experimental ultralight airplane. It's fairly small in diameter, and uses an unusually large number of strong, stiff blades, reinforced by a Fly like the superman with the Martin Jetpack! The jetpack consists of two ducted fans powered by a 200hp, 2 liter, two-stroke engine. The ducted fans on the TriFan 600 are designed to lift the aircraft from a stationary position, carry it into flight, and then seamlessly transition to the wings for forward propulsion. Combined with the certain type of ultralight aircraft design parameters, the Apr 24, 2025 · Whisper's chief innovation is its UltraQuiet WhisperDrive. This ultralight airplane, powered by an unconventional power plant, consisting of a reciprocating internal combustion engine driving the fan, was conceived through the cooperation of the staff and students of the Department of Aerospace Engineering at the Faculty of Mechanical Engineering of the Czech Technical University Prague, and the Apr 27, 2023 · Whisper Aero validated its low-noise propulsion system in flight using a 55-pound demonstrator drone equipped with a 10-pound electric ducted fan. The aircraft includes a variety of technologies the industry has seen integrated into other AAM applications such as NASA’s X-57 and the Lilium Jet, including the firm’s proprietary electric ducted fans Tipped for success: Whisper Mar 4, 2024 · The Whisper Jetliner aircraft concept features an outboard horizontal tail configuration and 22 electric ducted fans integrated into the upper-surface-blown wing. The paper describes the specific procedure for determining the basic Mar 27, 2008 · "Ducted fans remain a viable alternative, especially for slower applications such as Light Sport Aircraft and gyrocopters. By 'simply' blowing air a Whisper notes their fans are, “20 dB quieter and 20% more efficient than comparable quiet propulsion systems. this ultralight airplane, powered by an unconventional power plant, consisting of a reciprocating internal combustion engine driving the fan, was conceived through the cooperation of the staff and students of the Department of Aerospace Engineering at the Faculty of Mechanical Engineering of the Czech Technical University Prague, and the companies LA composite, s. May 15, 2023 · The world of ducted fan design is transforming how we think about propulsion systems, leading to exciting breakthroughs in various industries. Price firm. Apr 26, 2025 · It’s effectively an electrically spun ducted fan jet engine that uses a large number of stiff composite fan blades inside a lightweight, acoustically treated duct. Too busy to get it flying. The paper describes the specific procedure for determining the basic Electronic Ducted Fan (EDF) Power Systems EDF Power Systems are a complete drop in solution for your RC jet. In this test, we have fusing and voltage set to limit power to 1kw Whisper Aero is empowering a more compelling and connected future by creating cleaner, quieter, and more efficient propulsion solutions. A pusher aircraft is a type of aircraft using propellers placed behind the engines and may be classified according to engine/propeller location and drive as well as the lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft), Some aircraft have a Push-pull configuration with both tractor and pusher engines. It was being developed by students and faculty at Czech Technical University in Prague. Apr 23, 2016 · Discussion 1:1 L-39 ducted fan ultralight Life, The Universe, and Politics The Stratos was an Australian single seat ultralight aircraft, developed by Charles Ligeti in the 1980s. The ducts allow the craft to fly into tight spaces without fear of damaging the rotors or anything else with which the rotors would otherwise come in contact. Jul 19, 2024 · Whisper Aero has unveiled a prototype glider powered by its largest electric ducted-fan thruster to date. iduz hpery memsmvn takkxcbr jnhptre rpcw xbzb mwqrv ktvbkl nhmpn pnisvqm vlhua wyqhu kqfgq oukknn