The Sonex-B Kit
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About the Aircraft
Sonex is a basic and economical, easy to build, all metal two place monoplane. Designed to meet the needs of the European and Domestic sport aircraft markets, it can incorporate various light weight contemporary engines of 80 to 130 hp (engine package weight of less than 200 lbs.), and is perfectly suited to the US Sport Pilot/LSA regulations. Outstanding performance is achieved through its clean aerodynamic shape and simple, light weight construction. The Sonex leverages horsepower in small, lightweight aircraft engines very efficiently, offering The Best Performance Per Dollar, and boasts an incredibly robust airframe with ample structural safety margin allowing aerobatics into the IAC competetion levels.
In the current B-Model configuration, the Sonex has matured to offer more creature comforts, a wider variety of engine choices, more capability and greater ease of build.
About the B‑Models
What is the B-Model? It’s what you’ve been asking for! More of everything you want in a sport aircraft:
More Room and Comfort
Room to Share!
Sonex, Waiex and Xenos B-Models are enlarged via straightening of the forward fuselage sides, and feature improved creature comforts:
- More width and comfort at the shoulders, hips, knees and feet.
- Seat back is moved aft, and new seating geometry accommodates taller individuals. Staggered seating is available via upholstery seat back cushions.
- Center “Y-Stick” option offers dual controls with easier cockpit entry and roomier seating.
- Electric Flaps reduce cockpit clutter and Dual Throttles are standard.
More Panel Space
Glass it Up!
The enlarged B-Model instrument panel offers plenty of space for today’s popular dual-screen avionics installations (MGL iEFIS Explorer 8.5” displays shown here) with room to spare.
More Fuel
Stretch Your Legs!
The new B-Model fuel tank holds 20 US gallons – a 4-gallon increase over the original Sonex, Waiex and Xenos with a range increase of over 130 miles!
More Engine Choices
Horses for Courses…
A new Universal Cowl is designed to fit many popular engine options. Builders can experience the same great firewall-forward support for AeroVee/AeroVee Turbo and Jabiru engines, and in addition, B-Model engine mounts are available for UL Power UL260 and 350 series, and Rotax 912 series engines. Read More about Engine Options
More Features, Less Build Time
Build it Quicker, Build it Better!
Sonex and Waiex B-Model kits come with more of what you need to finish your aircraft in the shortest time possible, with higher-quality results:
- Assembled Wing Spars Included
- Machined Angle Components Included
- AeroBrake Hydraulic Brakes Included
- Dual Throttle Quadrants Included
- AeroConversions Trim System Included
- ABS Molded Cockpit Side Panels, Cable and Pushrod Fairings Included
- Precision-molded cowling is installed quickly and easily
- Engine mount bolts quickly and accurately to the airframe
- More laser-cut, formed and machined parts to reduce fabrication time and ease construction
- Machined Canopy Bows for easier canopy installation with a perfect fit
- Plus all the great features of existing kits: See What’s Included!
Same Great Flight Characteristics!
Best Part of a Sonex: The Way it Flies!
The best part of a Sonex Aircraft is the way it flies, and the B-Model generation of aircraft is no-exception!
- Lightening the aircraft in key areas without sacrificing structural integrity gives the B-Model a very similar weight despite it’s larger size.
- Performance specifications are equal. Takeoff, climb, cruise, stall, landing: the specifications are the same between B-Models and the original generation aircraft.
- More engine options with 100 hp or more offers more options for enhanced performance with your B-Model.
The Next Generation
B-Models have completely replaced the original Sonex, Waiex & Xenos in the Sonex Aircraft product lineup.
- Original model Sonex, Waiex and Xenos Sub-Kits will still be available to those needing to complete their existing projects.
- All original Sonex, Waiex and Xenos aircraft will continue to receive full support, including legacy parts availability, if registered with Sonex Aircraft. As demand for legacy parts decreases, lead times may increase.
- Original Sonex plans will still be available for scratch building.
- Read our B-Model Frequently Asked Questions