There was a time when a company called Beaver RX Enterprises – which produced the Canadian Beaver designs – was among the leading North American ultralight manufacturers.
In particular, the Beaver 550 tandem 2-seater attracted many customers. The company once claimed more than 3,500 ultralights flying. Certainly the model dominated the western Canadian market but also had a presence in the U.S. and other countries.
The old Beaver RX Enterprises company went through a number of leadership changes and, driven by overly-ambitious management goals, finally succumbed.
When I visited the now defunct company, the firm was a publicly-held corporation listed on the Vancouver Stock Exchange. Even the stock exchange has experienced a transformation, so perhaps it isn’t surprising that Beaver RX Enterprises also lost its heading.
As we’ve seen with other good designs, however – such as Quicksilvers, Phantoms or Drifters – the better ultralights can outlast their ownership. The Beaver line is among those survivors.
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Lightweight Four-Stroke HKS Now Available for LSA
After Rotax announced ASTM compliance for their lightweight 582 two-stroke engine, many American pilots celebrated. This lighter, simpler powerplant (compared to the 9-series engines) gave ultralight builders seeking SLSA certification more flexibility while significantly lowering cost for buyers. Now HKS enters the arena issuing a Statement of Compliance for the horizontally opposed, twin-cylinder, four-stroke, 60-hp 700E engine. HKS is lighter than four-cylinder engines and can save buyers several thousand dollars. American importer HPower has assisted at least 29 companies as they became HKS-powered, including such leading names as RANS, Quicksilver, Murphy, Earthstar, CGS, Titan, ASAP, and Flightstar. The Japanese company, HKS Aviation Co., Ltd., made their declaration on July 16, one month after the Rotax 582. Behind HKS Aviation is real depth in a 400-employee company active in high-performance auto components. I’ve flown a number of airplanes with this engine and have become converted to its smooth power.
Rotax Certifies 582; Good for American Designs?
Perhaps a long time coming Austria-based Rotax recently certified the 65-horsepower R-582 two-stroke engine under ASTM standards. Now, some American designs may proceed with pursuing their Special Light-Sport Aircraft approval. One that pops into my mind immediately is Quicksilver‘s already-certified GT500 (under Primary Catetory from the mid-1990s) but many more could be close behind…for example, powered parachutes and other popular American ultralights. While most SLSA are hitting the gross weight limit of 1,320 pounds, LSA aren’t required to be that heavy so the 65-horse engine could be a most appropriate powerplant. One interesting note is that if A&Ps currently resist working on the 912 series what will they think of two-stroke engines? A swing factor could be Cessna, should the big company choose the lightweight 9-series Rotax over a Lycoming (part of Cessna’s corporate family). If Cessna goes Rotax, then the door may open to mechanic acceptance.
State of the Art in Hang Gliding
In the last 10 years there have been significant developments in hang glider wings. That may come as a surprise to KITPLANES® readers. After all, the wings don’t look much different from one another, so the changes must be subtle, right?
Well, yes and no. In fact, many subtle changes have occurred as these wings have steadily progressed from a glide angle of 4:1 in the 1970s to the 15:1 glides that are common today. Even as they gained efficiency, the wings haven’t changed a lot in appearance.
But not all of the changes are so subtle. The ATOS VX I flew in late 2004 illustrates a radically different approach to wing design. The ATOS VX can achieve a glide angle of 20:1 and a sink rate of only 118 fpm. The latter number makes this wing competitive with many sailplanes, even though the pilot hangs in the airstream.
An Innovative Design
The design is produced by Aeronautic Innovation Rühle (AIR) and is the creation of Felix Rühle, who worked with composite materials for many years in his role with the German government’s Center for Research and Development in Aerospace Technology in Stuttgart.
Sebring 2004: First Impressions
The U.S. Sport Aviation Expo in October 2004 was the first event to focus exclusively on Light-Sport Aircraft.
ou never get a second chance to make a first impression. With that in mind, you might ask how visitors regarded the first U.S. Sport Aviation Expo, held in Sebring, Florida, from October 28-31, 2004. The Expo was the first of its kind aiming at the new Sport Pilot/Light-Sport Aircraft (LSA) segment, and it was a focused event, featuring only LSAs and ultralights. Is that two strikes against it or two good reasons for it to succeed?
From what I could see, those who attended the Sebring event were satisfied. Set aside for the moment reports elsewhere that the show was sparsely attended. It was the first of its kind. And as word of mouth is accepted to be the best marketing tool for shows, the attendance figures should present no surprise. The vendors were satisfied, and visitors also seemed to feel good about the selection of aircraft, the availability and ease of demo flights and the wide array of educational forums.
Pioneer in Ultralight Industry Still Going Strong
John K. Moody is widely acclaimed as the “Father of Ultralights,” and he makes effective use of that unique title to publicize his new millennium act featuring his last millennium ultralight.
Is Moody really the father of ultralights or the first to fly one? Several other enthusiasts were experimenting with power units for various kinds of hang gliders in the mid-1970s when Moody started. His distinction was that he was the first person to foot-launch and climb from flat terrain without benefit of wind or a slope.
I saw Moody fly in the summer of 1975 when he performed before about 250 hang glider pilots in a contest on the sand dunes near Frankfort, perched on the eastern shore of Lake Michigan. He began this risky behavior on March 15, 1975, above a frozen lake southwest of Milwaukee, at age 32.
Into almost still winds at the end of a day of hang-gliding competition, Moody ran his heart out and coaxed his Icarus II biwing hang glider off the beach with a 10-hp West Bend engine giving him some push.
Fk-9 Mark III
Sleek composite microlight performs like a GA aircraft In the Dec. 11 Flyer, I wrote about the Albatros, which I call a hybrid ultralight because it bridges older tube-and-rag ultralights and new all-composite models.
This month we look at the German-built FK-9 from B&F Technik. A new breed with an interesting history, it too emerged from an earlier design. In fact, the FK-9 shown in photos that accompany this story is the glass-fiber Mark 3. Its predecessors, the Mark 1 and Mark 2, used fabric skins, putting them more in the hybrid category.
To review briefly, hybrid microlights are flying machines that employ the best ideas of familiar ultralight designs, such as sewn Dacron wings and aluminum airframes, yet combine those proven components with composite fuselages and welded steel parts. Simple construction keeps many small builders in business.
Conversely, the composite microlights are typically all-composite designs (or composite over steel) using newer construction technology and techniques.
Earthstar Soaring Gull 2000; Light Motorglider
An old friend just brought home an airplane I’ve long admired. Bob Chase of California’s Perris Valley airport is the proud new owner of Soaring Gull 2000 No. 1 from Earthstar Aircraft designer Mark Beierle. Though its wingspan is only 28 feet (think: easy storage), Soaring Gull 2000 manages a 16:1 glide that will assure you can stay aloft on most days with decent thermal or ridge lift. The Gull 2000 single seater fuselage is fitted with a wing two bays (~ 2 ft.) longer than Earthstar’s two seat Odyssey. Because the airplane is small and efficient, the 133 square foot wing has plenty of area; she is said to soar quite well. My favorite old Cloud Dancer had 16:1 performance (on 40-ft. wings of the same area); I managed two hours engine off for every powered hour. I loved soaring it and I look forward to accepting Bob’s offer to fly his.
Dallas TX Sport Pilot Tour a Big Success
The fourth of six Sport Pilot Tour “test” events proved the idea has great appeal as a means to reveal all the new Light-Sport Aircraft and to educate those who attend about FAA’s newest rule. The Dallas, Texas Sport Pilot Tour concluded with 11 models represented. Crowds were the strongest yet with 750 people attending; these are intended as focused, small-venue marketing efforts that only show LSA and offer expert forums on the topic. EAA is solidly behind the events using their national clout plus local EAA chapters in nearly every corner of the country. Many demo flights were taken, even expanding into Sunday following the Saturday event. All Sport Pilot Tours are free to visitors. The next one, scheduled for December 3rd in Camarillo, California (near Ventura) promises to be the biggest yet. “Join us,” says EAA and many aircraft exhibitors. “C’mon out and see the newest airplanes!”
Air Creation Buggy/Kiss
For many years, I’ve been critical of trike handling. While I try never to forecast the future, I’ve gone out on a limb and predicted that rigid-wings will eventually become commonplace on trikes (though I don’t also predict delta wings will disappear).
Going Rigid?
Rigid-wings look a lot like modern hang gliders and trike wings in many ways, but they have control surfaces. Because these surfaces are deployed via weight-shift movements they neatly combine the benefits of 3-axis ultralights – lower control forces and good control authority – with the elegant simplicity of weight-shift. Rigid-wings can carry good weight and are somewhat faster than delta wings (called “flex wings” by hang glider pilots), and they also handle more easily. I think this makes them a nearly inevitable development.
While I still believe rigid-wings are coming to trikes, it may take longer than I thought because the trike industry may finally be rising to the challenge.
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