Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso by Soma Varga, Zsolt Koltai and Akos Matyus

Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso by Soma Varga, Zsolt Koltai and Akos Matyus is a highly esteemed winner of the very prestigious 2021 Moputso oa Boronse oa A' Design Award in Moralo wa Sebaka sa Loapi le Difofane Competition Category.

BoronseSefofane· 2021

Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso

by Soma Varga, Zsolt Koltai and Akos Matyus

Client: Orca Aerospace

Moputso oa Boronse oa A' Design Award Winner in Sefofane Category

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The Design

About Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso

Orca eVTOL ke sefofane sa kalafo ea tšohanyetso se nang le bokhoni ba ho fofa le ho theoha ka tsela e otlolohileng ka motlakase (electric vertical take-off and landing). Sefofane sena se nang le mokhanni a le mong se jara batho ba bararo 'me se hahiloe ka lisebelisoa tsa carbon fibre composite. Metjhini e supileng ea motlakase e ikemetseng, e fepoang ke libeteri tsa lithium, e fana ka matla a ho sutumelletsa pele le ho eketsa polokeho. Bophara ba mapheo ke limithara tse 12.45, 'me bolelele ke limithara tse 8.1. Metjhini ea motlakase e qala ka metsotsoana feela, ha metjhini ea turbine e hloka nako ea ho futhumatsoa. Ho fofa ka mapheo ho lumella lebelo le phahameng la ho fofa ho feta la lifofane tsa li-rotor (rotorcraft), kahoo bakuli ba fihla kalafong ka potlako.

The Recognition

About the Moputso oa Boronse oa A' Design Award

Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso ke mohapi oa Moputso oa Boronse oa A' Design Award, kananelo e hlomphehang haholo e fuoang meralo e ikhethang e tsejoang ka boqapi, bohlale ba ho qapa le bohlale. Bahapi ba Boronse ke lintho tse nang le bokhoni ka ho felletseng le boqapi bo hlollang tse tiisang boiphihlelo bo bongata, mohopolo le bokhoni ba ho iphumana ba baqapi ba tsona. Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso e lebelletsoe ho ba ntho e hlomphuoang haholo, e ratoang le e ratehang, e nang le boprofeshenale bo bonahalang le mehopolo e mecha. Moralo ona o hapileng Moputso oa Boronse oa A' Design Award o kenyelletsa mekhoa e metle ka ho fetesisa bonong, mahlaleng, moralong le theknolojing mme o hlahella ka ho tsepamisa maikutlo lintlheng tse nyenyane. Orca eVTOL Sefofane sa Kalafo ea Tšohanyetso e kutloisisa litlhoko hantle, e ama litakatso, e hapa maikutlo mme e tsosa takatso ea ho tseba.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: The Orca eVTOL is a vertical take-off and landing aerial vehicle equipped with electric propulsion. The single piloted Orca has been designed to compeete with current emergency rotorcraft by transporing patients at higher speed, lower operational cost and incerased safety due the installed 7 independent electric engines and advanced aerodynamic design. The possible range of the carbon composite aircraft with three person on board and with current battery technology is up to 120 km.
Dimensions & Packaging: The wingspan of the Orca is 12.45m, its length is 8.1m with an overall heigth of 2.4m.
Tags: VTOL, electric propulsion, emergency medical services, aircraft, battery propulsion
Production Technology: The proposed concept uses high performance carbon fibre composite materials, common in aerospace industry. The integrated electric motors have already a proven background in motorsport and run entirely on lithium-based batteries.
Design Challenge: The most challenging part of a VTOL design is to combine design methodology of fixed wing aircraft and rotorcraft, two different regimes of aviation that are well documented when investigated separately but is still full of unknown obstacles when treated as a single regime. Having to run engines effectively while hover and during levelled cruise flight introduced energy management challenges.
Research: The design of the Orca eVTOL started with setting the flight performance requirements such as minimum range, payload, and cruise flight speed. All these emerged from a typical flight profile for a rotorcraft used in emergency medical operations. After deriving the strict performance requirements, a major effort was made to design an easy to operate yet safe aircraft architecture. This resulted in a so called three-surface aircraft with top positioned main wing and with axisymmetric fuselage.
Inspiration: The concept of the Orca electric vertical take-off and landing aircraft (eVTOL) was designed to challenge the current rotorcraft market used in the emergency medical services. With continuously advancing battery and electric engine technology, the concepts of eVTOLs became feasible. In the airborne medical services, introducing electric propulsion and winged aircraft concepts, the response time can be significantly reduced. All this to help avoid fatal outcomes of such situations.
Project Duration: The time required to design the Orca eVTOL from the first sketches to this stage covered six months. The design team has its headquarter in Pécs, Hungary.
Operation Flow: When alarming the rotorcraft medical services, the gas turbine engines of the rotorcraft have a warm-up time. This can mean up to 3 min before the take-off. With electric engines all this is reduced to seconds only. Due to the flight speed limits placed on the helicopter’s rotating blades, the wing borne flight of the Orca allows a higher maximum cruise speed. All these reduce the time form the emergency call until the treatment of the patients and the transfer flight back to the hospital.
Patents: Patented. Patent No.: 008215388-0001 issued by the European Union Intellectual Property Office. Patent holders: Soma Ádám Varga, Zsolt Koltai, Ákos Matyus.
Team Members: Soma Varga
Ákos Matyus
Zsolt Koltai