Since we know you all are dying to know, here are some preliminary numbers from flight test of the Sonex Highwing! After last week’s brief first flight, we took some time to make door latch and control rigging adjustments, installed the wheel pants and gear leg fairings, waited for some weather, enjoyed the 4th of July 3-day weekend, and made the second flight of N225SH this morning. Test pilot Joe Norris orbited Wittman Regional Airport at 2500 feet for approximately 20 minutes, logging an extremely successful flight. Limited to 80% Throttle for the first 15 hours per UL Power break-in instructions, the aircraft still climbed extremely well and showed impressive speeds in level flight. See the performance in some EFIS and Flight Data Viewer screenshots below. More to come as we keep flying! Stay Tuned via the Sonex Highwing Mailing List!
A Google Earth view of this morning’s flight track over KOSH.
The aircraft averaged about 1200 fpm in climb this morning, in the aerobatic short wingspan configuration and being gentle with the engine during break-in.
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Deposits are refundable less a $50 Cancellation Fee. |
Get yourself in line for a kit by placing a $500 Kit Reservation Deposit today. These deposits not-only get you a place in line amongst your fellow future Highwing builders, but also helps Sonex to plan for kit inventory needs. Kit Reservation Deposit Holders will be given the opportunity to turn their reservations into firm orders following the first flight tests of the prototype aircraft. Deposits are refundable minus a $50 cancellation fee. If you have any questions, please reach-out to us via our Contact Form.
A screenshot of the Dynon HDX from Joe. Not bad for only 61% throttle!
50% throttle and a slight climb attitude. Don’t worry about the fuel level indication — we finally got around to calibrating it today after this flight.
Average RPM vs. True Airspeed numbers at 2500 feet.
Cylinder Head Temperatures graph for the flight.
Exhuast Gas Temperatures graph for the flight.
Oil Temperature graph for today’s flight.
The Highwing has moved out of the R&D hangar to live in the Flight Center with it’s speedy siblings. This morning’s flight shows that she fits right in!
Sonex Highwing Estimated SpecificationsSubject to change without notice
* Sonex Highwing features easily interchangeable wing tips for different span configurations. Sonex Highwing is designed to take advantage of the new FAA MOSAIC rules for Light Sport Aircraft! Specifications & Performance Subject to Change Without Notice. |
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