“Look at that groundspeed!” I exclaimed, pointing at the Garmin EFIS. “Our TAS is nearly 125 knots, which means we’ve got a 60 knot headwind straight on the spinner!” “Can you imagine being up here in a traditional microlight?” asked the Sting’s owner, John Palmer. “No, because not only would I be scared out of my mind at the prospect of having to land, but right now we’d practically be going backwards!” I said.
I’ve written before about just how capable and potent the new breed of light sport microlights is, and several of the aircraft I’ve tested recently are not only comparable to traditional GA types, but are demonstrably superior. An excellent representative of this new breed of speedy sport planes is the Sting S4, from Czech airframer TL Ultralights.
As I wait at Saltby for John to arrive in the Sting, I’m aware that it’s extremely windy, and that if I’d told someone that I was planning on flying a microlight in such conditions, they’d probably think I was mad—or suicidal.
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Look Out — A Hybrid Merlin is Coming!
First introduced in Europe in 2013, the all aluminum single seat enclosed cabin Merlin LSA has sported a variety of engines, including a Rotax 582, a specially built four stroke V-twin and even an electric motor. In fact, the Merlin airframe has served as a test bed for all kinds of propulsion and aerodynamic innovations. At AirVenture 2023, Aeromarine chief designer Chip Erwin even showcased a Merlin model with twin propellors imbedded in the wings. Erwin promises an even bigger surprise at Oshkosh later this month: a common-sense hybrid propulsion system for the Merlin.
Erwin, who has done work for the Air Force Research Lab in Dayton, Ohio, has developed a parallel hybrid drive system for light sport aircraft that utilizes an electric motor to add to thrust generated by a
piston engine during takeoff and climb, but shuts down during cruise. He points out that a major limitation of all electric aircraft is the need to lug around a heavy battery capable of providing thrust for a limited period of time.
Affordable Aeromarine Merlin LSA — What’s New?
When thinking of affordable aviation, it’s impossible not to talk about the Aeromarine Merlin LSA. This aircraft is a familiar design for many, as it made its premier in 2016. We’ve talked about it here several times. There have been some exciting changes and updates, a few of which we learned about last month at Sun ’n Fun.
The Aeromarine designed and built 60-hp V-twin liquid cooled four-cycle engine now comes as the standard powerplant. This is a modern engine with electronic ignition, electronic fuel injection and an electric starter. Merlin says this engine will cut fuel consumption at cruise to an average of 2.5 gph, approximately 50% less than the Rotax 582. The Rotax engine is still available as option for those builders that prefer.
The Aeromarine Merlin LSA will also feature as standard a deluxe MGL 8.5-inch EFIS with ADS-B In and Out (FIS-B) avionics panel, elevating your flying experience to the 21st century.
Summer’s Almost Here! State-of-the-Sector Report for LSA Seaplanes
One of the most active sectors in light aviation is LSA seaplanes. We’ve seen ups and downs, arrivals and departures of LSA seaplane producers. Admittedly, these flying machines are more complex than current-day LSA. For example, amphibs need retractable landing gear and substantial boat hulls able to take water loads.
LSA seaplanes constitute a highly fluid market yet we can see clues suggesting what might be ahead for some of the main brands. With summertime approaching, this State-of-the-Sector article attempts to keep up with the rapidly changing landscape (or waterscape).
We’ll first look at two high-end entries that have been in the news and conclude with present LSA seaplanes and their status in the market.
Vickers Wave
Writing for AVweb (part of Firecrown, which also owns Flying and ByDanJohnson.com plus several other publications), my fellow aviation journalist Russ Niles stated, “New Zealand-based Vickers Aircraft Company says it intends to make its first delivery of the Wave two-place amphibious aircraft to a U.S.
Day 4 at AERO: A Few More Conventional Aircraft But Also a Few Surprises!
I’ll take the opportunity in this installment to take a look at some of the lighter aircraft to be seen at AERO Friedrichshafen this year.
ICP Ventura 2 and Ventura 4
Italian airframer ICP had several aircraft on display including the Ventura 2 ultralight powered by various permutations of Rotax, and also the Experimental, which as well as being fitted with a Rotax can also be powered by a Lycoming of up to 180 hp. The Venture 2 is a side-by-side two-seater, while the Ventura 4 is, as the name suggests, a four-seater specifically designed to meet the requirements of amateur construction and suitable for the Experimental category. ICP claims that a first time builder can reasonably expect to finish the aircraft in between 700 to 800 hours, while a more experienced builder with practical build experience can complete the aircraft in around 400 hours, excluding paint and upholstery. ICP also had the Savannah SR on show, and this machine bore quite a strong resemblance to the Zenith 701.
Day 3 at AERO: A Look At Sailplanes & Towplanes
The cavernous halls of the Messe truly do contain the aspirations and, let’s be honest, the dreams of literally dozens of designers. There were quite possibly more new types than I have ever seen, and I’ve been attending the Friedrichshafen show for over 20 years. Anyone who claims general aviation is dying would only need to see this show to have their viewpoint radically altered.
Gliding has always been well represented at AERO, and in the show’s 30th year all the major sailplane manufacturers were out in force. For many years AERO was a biennial event and when the organizers made it an annual show, many decided to stick with the biennial schedule and only attend on even-numbered years. There were many different permutations of self-launching and self-sustaining sailplanes on show, which utilized piston engines, electric motors and small jets.
Jonker JS3
South African company Jonker has several versions of the “engine-on-stick” solution for its JS3 single seat high performance sailplane, including an electric motor turning a two-blade propeller and a small jet.
Day 2 at AERO: The Show Gets Busier and So Does Our Correspondent!
Day Two of AERO at Friedrichshafen, and after a slow start footfall-wise yesterday there were considerably more visitors thronging the massive Messe today.
Aura Aircraft
The day started with a visit to the Aura Aircraft press conference, where the French airframer announced that it was signing a deal with the Deutsch aeroclub to use its Integra E electric two-seater as a glider tow plane. As a very experienced tug pilot and having been Tug Master at two different gliding clubs. I found this initiative both extremely interesting and very exciting. Noise and pollution are two very hot topics in Germany—and indeed most of Europe, and while all the gliding clubs are keen to promote the sport as being both green and sustainable, critics will always point to the noisy, gas guzzling Piper Pawnees and Robin DR400s and observe that it isn’t as green as they claim.
This initiative is certainly very laudable and could have significant implications for the gliding community.
Day 1 at AERO: Affordable Aviation at Friedrichshafen
Editor’s Note: Correspondent Dave Unwin is at the AERO show in Friedrichshafen, Germany, this week and will be reporting on news from the show. Here’s his first report.
Europe’s top general aviation event, AERO at Friedrichshafen, Germany opened on Wednesday, April 17, and runs through Sunday. It is no exaggeration to say that AERO has grown to become one of the biggest and best GA events on the planet—and certainly the biggest outside of North America.
This year is the 30th time the event has been staged and the organizers claim that more than 680 exhibitors from 36 countries are attending, which may well make the 2024 AERO the biggest ever.
The amount and diversity of aircraft on display was truly breathtaking, from a full-scale Me163 replica, powered by a small jet engine typically fitted to self-sustaining sailplanes, to the very latest bizjets. Unsurprisingly, there were several electric aircraft on display, and Bristell—in partnership with H55—had flown its final prototype of the electric Bristell B23 Energic to the show.
Swedish LN-3 Seagull — Tandem-Seating LSA Seaplane …Plus, Breaking News!
LSA seaplanes are a segment all to themselves. [See Breaking News at bottom!]
It isn’t only that seaplanes can offer “triphibian” capabilities (a term once promoted by MVP) because they can operate from land, water, or snow. That makes them versatile but amphibious craft must incorporate retractable gear and since they require a sturdy hydrodynamic boat hull as well as aerodynamic aircraft structures, the engineering task becomes significantly larger than land plane designs.
Icon took years with their A5 and Vickers is still working on their Wave. Both took more than a decade to reach market. Several other LSA seaplane projects required similarly lengthy development.
Now from Svenska Flygfabriken (Swedish Aviation Factory) comes LN-3. This new entry is distinctive because it is a tandem-seating seaplane. Yes, I know lots of Cub-types on floats are tandem but among boat-hulled seaplanes, I’m not aware of any others like this.
Super Petrel XP Arrives in Florida; Proven Product Significantly Upgraded
A few days ago a couple Super Petrel XPs arrived in Florida. In no time, Roger Helton‘s team had the pair assembled and had earned their Special Airworthiness Certificates, from two different FAA inspectors no less.
Development happens fast in light aviation; Mosaic will further quicken the pace.
Welcome to Light-Sport Aircraft where the swift thrive and those that can’t move fast enough fall behind. LSA is a market full of seasoned competitors. They’ve learned their trade well, surviving and some even gaining during the Covid upset. Any new creation coming to market will be measured against tough standards.
You think the pace of development is fast now? Wait as Mosaic approaches and company after company announces new products to take advantage of the “Christmas in July” list of new privileges FAA offered in the summer release of their Mosaic proposal (view list at bottom). The regulation is currently in review by the agency and according to their own statements, it should go live by second quarter 2025 (2Q25).
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