Hornets’ Nest R&D: Onex Development Archive

Development Archive for the Onex

Go to Onex Product Page

What is the Onex?

Onex (pronounced “One-X”) is a single-seat aircraft designed to offer an even-more economical way to build and fly your sport pilot aircraft! The folding-wing design can fit into a standard 7’ garage door, and the wing panels can easily be removed for trailering at highway speeds. The Onex follows the Sonex Aircraft design and engineering tradition in offering a simple, robust, aerobatic aircraft capable of squeezing incredible performance out of lower powered engines.

Onex concept models showing wings extended and folded, both tri-gear and standard gear configurations, and showing scale relative to standard 7 foot garage door opening height as well as scale relative to vehicles. (Click to Enlarge All Images).


Onex Development Updates:

February 17, 2012: Onex Progress Update – Onex Receives FAA NKET Approval; Onex Upholstery Now Available!

Onex Receives FAA NKET Approval Sonex Aircraft, LLC is excited to announce that the FAA National Kit Evaluation Team (NKET) has approved and published amateur building checklists for the new Onex Single-Place, Folding-Wing Sport Pilot Aircraft. Availability of these approved checklists allows current and future Onex builders to show compliance with the “major portion” requirement… Read More

February 15, 2012: EAA and Sonex Hosts Onex Single-Place Aircraft Webinar [video archive]

Webinar: Onex Kit Aircraft See More Sonex Aircraft Webinars! Return to the Hornets’ Nest/Onex Archive

January 26, 2012: Onex Progress Update – Updated Performance Specifications, and More!

We wrapped-up the year 2011 as an incredibly successful and action-packed year for the Onex design! We saw first flight of the #1 standard gear prototype on January 27, 2011, completed a flight test program on the aircraft, created a feature-packed Onex Complete Airframe Kit and Sub-Kits, completed the full set of Onex plans, achieved… Read More

October 10, 2011: Onex Tri-Gear Flies; Onex Spin Test Video Online!

Onex Tri-Gear Flies! The Onex Tri-Gear Prototype flew for the first time on October 5th 2011. In addition to the tricycle gear configuration, this prototype also has a two foot longer wing span meant to ensure Sport Pilot Compliance for Heaver (250 lb) pilots. The long wing tips are standard equipment in the Onex Kit… Read More

September 21, 2011: Onex Propeller Orders Now Being Accepted!

Sonex has received a number of inquiries about propeller selection for the Onex Single-Place, Folding-Wing, Sport Pilot Aircraft. We continue to flight test a number of propellers and are in the process of selecting the optimized propeller for both the Onex Tail Wheel and Tricycle Gear configurations. We expect to have a final propeller recommendation… Read More

June 17, 2011: New Onex Kit Orders Now Being Accepted!

We are extremely pleased by how popular the Onex has been and are all hard at work in completing all the things needed to deliver plans and kits. We’ve finalized the delivery schedule for Onex orders. All deposit holders have received order confirmations with estimated delivery dates and order totals. We are on track to… Read More

May 27, 2011: Onex Progress Update from Jeremy Monnett

We’ve been extremely pleased with the level of enthusiasm that has greeted the release of our new Onex Aircraft. The Onex offers a unique combination of simplicity, affordability, performance, sport pilot compliance, and the ability to store it in your garage or share a standard t-hangar with 4 others. The growing list of orders confirms… Read More

April 29, 2011: Updated Onex Specs, Testing Progress, Taller Cockpit, Kit Details and More!

The Hornets’ Nest R&D team has been continuing to work extremely hard on development of the Onex single-place, folding-wing, aerobatic sport pilot aircraft. Much work has been done on both #1 (tail wheel) and #2 (tri-gear) prototypes, and many hours of flight testing have been accumulated on the #1 prototype to-date: Updated Onex Specifications: The… Read More

Sonex Aircraft, LLC Accepting Deposits for Onex Single-Place, Folding-Wing, Aerobatic Sport Aircraft

PRESS RELEASE: FOR IMMEDIATE RELEASE Sonex Aircraft, LLC Accepting Deposits for Onex Single-Place, Folding-Wing, Aerobatic Sport Aircraft March 17, 2011, Oshkosh, WI Sonex Aircraft, LLC is pleased to announce that refundable deposits are now being accepted to reserve kit production slots for the Onex single-place, folding-wing, aerobatic sport aircraft. Onex Airframe Kit deliveries are expected… Read More

March 3, 2011: Watch the Onex Fly! See the New In-Cockpit Flight Footage

Video: Onex Pattern Work Sonex Aircraft, LLC’s Drew Waterworth demonstrates the new Onex single-place, folding-wing, aerobatic sport pilot aircraft in some pattern work at Oshkosh’s Wittman Regional Airport, including takeoff’s, landings, touch ‘n go’s, and a high-speed pass over the runway. Return to the Hornets’ Nest/Onex Archive

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