If I hear one thing over and over it is this: “I want a four-stroke engine for my Part 103 ultralight. Are any available?”
For years the answer was, “Well, brand XYZ offered one but they disappeared from the market some years ago. One such winner I flew was the Bailey four-stroke out of England. However, a visit to their website recently was not very productive. Regretfully, other four-stroke powerplants are rare (although for slightly larger airplanes, Chip Erwin’s V-Twin will soon add to the choices).
Are you out of luck trying to obtain a Part 103 four-stroke? NOPE!
Aero 1000 Engine
Fine Swiss Engineeering
Air-Tech, Inc., is one of my favorite companies. While I love the people behind this Louisiana company, it isn’t their deep expertise, long experience, or even an endearing sense of humor that surrounds the Bornes — a father and son team to envy.
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Affordable Aviation Will Star in EAA’s Jam-Packed Ultralight Webinar Series
Brrrr, it’s mighty cold in northern places like Oshkosh, Wisconsin, headquarters for EAA. However, those seasoned veterans of winter’s chill know how to warm things up.
After Covid, so many things changed for so long that, today, it’s getting hard to remember how it was. EAA hosted (in-person) Ultralight Days for some years, with a wintery gathering of aviation’s lightest flying machines at their splendid facilities right behind the HQ building. Specifically I mean Pioneer Airport. Covid played a role in suspending that event.
Yet EAA’s helpful experts, led by Charlie Becker and Timm Bogenhagen, had a fresher idea. While corporations were Zoom-meeting with staff and clients, Timm and Charlie sprung into action. In the new age of working remotely, how could EAA convey lots of knowledge to their members and how could non-members get a great object lesson in how experts can help?
Using their system that worked beautifully for homebuilders, EAA cooked up Virtual Ultralight Days.
2022 In Review — How Did LSA and Sport Pilot Kit Aircraft Fare During a Turbulent Year?
The year started with hope. As 2022 arrived, America and most countries (China excepted) were emerging from two years of difficult lockdowns and Covid. The good news was that a flood of money from the U.S. government had buoyed the stock market and I’ve long observed that in a rising equities market, LSA and SP kit aircraft sell well.
No one thinks this is because anyone sells stock to buy a Light-Sport Aircraft. Rather, it’s something economists call the “wealth effect,” where rising asset values give stockholders confidence that good times are here and they can buy an airplane to have fun.
Then… Russia invaded Ukraine and global markets trembled.
Despite a year of war, of plunging stock markets and sky-high energy prices, of protests and riots in multiple countries, plus on-going supply chain strains and lingering Covid fears, the light aircraft nonetheless grew by a very healthy 18%, after rising 10% in 2021.
Honoring Two Important Light Aviation Pioneers — Chuck Slusarczyk and John Ballantyne
UPDATE Note (10/15/22): I urge all readers to take special note of two comments below that greatly add to the respect I intended to show John Ballantyne and Chuck Slusarczyk. I hope you’ll take the time to read both. —DJ
A Tribute… to Two Heroes
of Recreational Aviation
CHUCK SLUSARCZYK — On September 29, 2022, the sport aviation industry lost one of its best-known innovators, Chuck Slusarczyk (“Slew-zar-chick”). He was 81 years old.
A pioneer in both hang glider and ultralight aircraft industries — founder of Chuck’s Glider Supplies which became known as CGS Aviation — Chuck had worked at NASA Lewis in Cleveland, Ohio.
After striking out on his own, he designed numerous hang gliders and, later, the award-winning CGS Hawk.
Chuck was an inaugural inductee into the EAA Ultralight Hall of Fame. His aircraft are on display in three aviation museums including at EAA and Sun ‘n Fun.
NEWS Update — Started at Sun ‘n Fun… Preparing for AirVenture Oshkosh 2022
My moment of truth is fast approaching. Will I succeed or fail to predict the future?
I have been repeating my forecast that FAA will announce a draft of their newest regulation, called an NPRM (Notice of Proposed Rule Making) at EAA’s big summer celebration of flight. I’m not betting the farm, though. I think it’s a fairly safe prediction.
To win an increase in their budget a few years back, FAA agreed to complete a new regulation by December 31, 2023. That new reg is widely known as Mosaic; its full name is Modernization of Special Airworthiness Certification. Because FAA has said the agency needs 16 months to read every comment and adjust the final regulation language accordingly, seeing the future is simple math. Go back in time 16 months from the end-of-year deadline in 2023 and you end up at… yep! — AirVenture Oshkosh 2022. We will see if they meet their goal.
Do You Love Ultralights but Prefer a Four Stroke Engine? Find It at Sun ‘n Fun!
A year ago at Sun ‘n Fun 2021, I reported on a Rotax 503 replacement built in Russia. This information was warmly received at the time because the 503 powerplant was much beloved by ultralight enthusiasts.
Little did we know last year that Putin would invade Ukraine and plunge both countries into disarray. The RMZ 500 engine seemed to promise a return to the popular engine. It will surely be months if not years before we see more of them.
Despite the former popularity of the Rotax 503 fifteen years ago, one of the most common questions asked of Part 103 producers today is, “Can you provide a four-stroke engine?”
It’s not an easy order to fill; two-strokes are potent sources of power at minimal weight, what’s called power-to-weight ratio. Any four-stroke engine is hard pressed to match the power-to-weight ratio of the best two-stroke engines.
At Sun ‘n Fun 2022, Gene “Bever” Borne and son Ken of Air-Tech Inc.
PREVIEW: Sun ‘n Fun 2022 — What I’m Checking Out at the Season-Opening Airshow
When Sun ‘n Fun 2022 starts, a signal can be heard ’round the world. The message? It’s time for a new season of recreational flying.
After we got the LSA Mall set up to receive a flock of airplanes, I was able to get around the sprawling Sun ‘n Fun campus to see what else I planned to cover as the show begins. It starts Tuesday the 5th and runs through Sunday the 10th. I hope you can make it but if not, I’ll be reporting on the aircraft that I think may interest you.
One extra treat — for me and for you: my YouTube partner, Videoman Dave has been able to escape Canada and turned up at Sun ‘n Fun. We’ll return to our usual drill of roving around doing video interviews. I’m happy as Dave is highly knowledgeable about the same kind of aircraft I report and we’ve learned to work well together, making somewhere approaching 1,000 videos.
What’s Affordable in 2022? A New “503,” Wheeled-Carriages, and Two-Place PPGs
For years — no, make that decades — numerous pilots of light aircraft have told me the Rotax 503 was their favorite two-stroke engine.
These days, it’s much more likely a pilot will go on about how great the Rotax 912 is. Yes, some grumble about the purchase price, the replacement parts cost, or the cost of an overhaul, but I’d expect to hear such groaning about almost any aviation product. Contrasting a few negative opinions is an entire world of pilots who are intensely loyal backers of the 9-series engines.
Around the planet, I have identified more than 66,000 light aircraft and 70-80% of them use a Rotax 9-series engine as their powerplant. Every other brand occupies the remaining 20-30% space, including some other fine and reliable engines. No matter how you spreadsheet the numbers, Rotax is far and away the dominant brand …although no longer in two-strokes.
LSA and Sport Pilot Kits Offer Aircraft Your Way: Factory-Built or Kit-Built
Barely after we rang in the new year, here’s a review of 2021 market shares and info regarding the state of the light, recreational aircraft industry. After a surprisingly strong 2020 despite Covid, 2021 returned to Earth a bit but with some shifting between categories. This year the contrast that stood out was between Factory-Built and Kit-Built.
In 2020, perhaps because builders were locked down at home and completed more projects, kit registrations blew the doors off factory-built. For 2021, the ratio equalized again with kits narrowly edging out factory-built (nearby chart).
Note that for this reporting, datastician Steve Beste said, “We define kit-built as aircraft registered as Experimental Amateur Built. Factory-built are everything else, including SLSA, ELSA, Exhibition, Primary, and Standard.” To understand how Steve solves the FAA database mysteries, check this PDF.
How Healthy Is the Market?
Generally speaking, the leaders from 2019 and 2020 remain in similar positions for 2021 — the second year everyone endured the virus pandemic.
Announcing: Launch of the Part 103 List, a One-of-a-Kind Resource in Affordable Aviation
To welcome a brand new year in affordable aviation, I am pleased to announce the launch of our Part 103 List. This new list presents 89 Part 103 entries for models built by 57 manufacturers.
[UPDATE 1/18/22 — We made the 103 List even better with the “Model column now leading to info right here on ByDanJohnson.com, when available. Other article changes are shown in red text. —DJ]
Too many people believe this is a minor sector with “no fixed wing aircraft that qualify.” They’re wrong; we have 38 fixed wing producers alone. Some others among the general aviation pilot population thought that Part 103 ultralights had disappeared completely. They could not be more wrong.
Not only are plenty of Part 103 ultralights being produced, they come in many diverse shapes and plenty of them are being sold.
Clearly, it’s about time a list like this one got published to put the record straight!
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