The P2 Excursion aircraft is the first aircraft design made by the cooperative EAN (Equator Aircraft Norway SA).
The P2 Excursion is a true high performance hybrid amphibian aircraft, with sleek laminar flow aerodynamics. This is emphasized firstly through the shape of the fuselage, which is one continuous "droplet" shape, to allow the air to flow as smooth as possible past the aircraft, without getting upset turbulence and extra drag. Secondly the "float wing" system which removes the need for bulky sponsons and other supporting geometries, and thirdly through the very small electric engine on the tail. Added to the mix is a retractable gear system of course to ensure the best characteristics possible on land and water. With these aerodynamic properties the aircraft may perform like any other land based aircraft. As such the compromise is reduced compared to other amphibious aircraft, that typically get worse properties due to their water capability.
The wing uses a NACA laminar flow profile, with a 1.4 deg blended twist. The span is about 10m dependant on the type of winglets chosen, they are modular and can be exchanged simply.
With the flaps extended the aircraft should reach a stall speed of 45KT, and on cruise you should be able to fly comfortably at 130KT.
The T-Tail horizontal stabilizer is large (3.8m) on the prototype to be able to adjust it down in size during testing. The size is critical to be able to counter the pitch down moment produced by the engine placement.
The aircraft is a pure composite design, metals and other corrosive materials have been left out where possible. Carbon Fiber reinforced epoxy is used extensively, with kevlar / carbon hybrid textiles used around the cabin area.
The P2 was designed from the ground up to be a highly practical aircraft. It is made for 2 people initially (with a future option for 4 seats) with focus on comfort Therefore the cabin is much larger than what is common in light aviation sporting a 1.50m wide cockpit.
Much of the research done initially was focused on the situation when the aircraft is a boat with wings. How to get in and out practically, and how to manouvre the vehicle simply. The result is an open cabin with waterproof surfaces. The pilot can exit and enter the plane over the nose, and over the railings. This flexibility is unique, and coupled with simple and reduced avionics, we end up with a very open solution.
The baggage area is huge as the whole aircraft can be used, you´ll be able to store bulky luggage such as bikes, skis etc.
The P2 has no rudder pedals. Jaw control is done through twisting the stick around the vertical axes, and is being developed as a FBW (Fly by Wire) feature on the plane.
The hybrid propulsion system being developed by Equator is called EHPS (Equator Hybrid Propulsion System). The engine specific project is being co-funded by Transnova
and the company doing the development work with us on this is ENGIRO
. We will design a custom engine and generator specified specifically for the P2. Power out in the prop is 100kW (approx. 130HP) and the generator will produce 57-60kW of power charging the batteries. The combustion engine will be a wankel engine that runs on bio-diesel fuels and jet-fuel. The fuel tank can hold 100l and this should give you a flying time of 5-6 hrs max.
The aircraft being developed is a proof-of-concept vehicle, to prove that all the new systems being integrated work and can be put into production. The prototype is being built in a low cost manner, without expensive molds (moldless). The work started in 2011, and the prototype should be completed by 2014.
This page will be updated with the properties as the aircraft closes on completion and test flights are started. We wish to tell you that the numbers mentioned here are estimates only and will be revised as we go along.