The last airshow (DeLand) is over. Recreational aircraft across the snow belt are secured in their hangars. Santa Claus and his reindeer have an imaginary TFA imposed over the rooftops of all homes with young kids. Our festive Christmas season has center stage…
With that our warmest wishes for your holidays and wishing you a prosperous happy new year with all the flying you could want. We are pleased to have served you another year as we enter into our 17th of providing news, reviews, and videos for your entertainment and information.
THANKS to each and every one of you who visited in 2019. Please come back next decade! ?
Now, Back to Aircraft
I have been writing about seaplanes even as the snow flies in northern latitudes because… well, why not? Plus, this is a good time to enter an order for a new one so you get it as lakes thaw and the sun warms the Earth in spring and summer 2020.
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After Winning Certification… Here Comes Rotax Aircraft Engines’ 915iS
What a great Christmas present for the Rotax Aircraft Engine team members (lower photo). The latest powerplant from the Austrian company that supplies a large majority of the powerplants for aircraft covered on this website will soon become available.
The company announced from their headquarters in Gunskirchen, Austria that on December 19th, 2017, they received a European Aviation Safety Agency (EASA) Type Certificate (TC) for its new Rotax 915 iSc3 engine.
Some companies, such as BRM Aero, have been testing the new advanced, fuel injected, intercooled engine. It is the most powerful model ever for light aircraft from Rotax. All airframe makers will probably be surprised that the final version yields even more power.
“The EASA TC allows BRP-Rotax to [begin] producing the certified 915 iSc3 A engine for the European market thus allowing us to fulfill the request of our customers for a more powerful Rotax aircraft engine with proven reliability,” said Thomas Uhr, general manager BRP- Rotax, vice president Powertrain BRP.
Rotax Aircraft Engines — New 915 Engine (135 hp!)
At AirVenture Oshkosh 2015, Rotax Aircraft Engines made a special announcement … that of their new 135 horsepower 915 engine. The new powerplant, due out on the market in the last half of 2017, features characteristics of the 912 iS Sport with its fuel injection and the 914 Turbo. However, the 915 with its more powerful turbocharger now also incorporates an intercooler. It weighs a bit more and will cost somewhat more, but can sustain a continuous 127 horsepower. In all, this is an engine many airframe producers will greatly anticipate.
Mosaic-Ready Powerplant… BRP-Rotax Surprises Sun ‘n Fun with a Powerful New Announcement
Sun ‘n Fun 2023 — Day 1
During 2023, in only three months, I’ve lost count how many airframe producers have told me a story that goes something like this…
“We (some manufacturer) offer two 100-horsepower choices: a Rotax 912ULS (carbureted) and 912iS (fuel injected), plus the new 141-horsepower 915iS (fuel injected, intercooled). Yet everyone is ordering the 915.” More power always draws interest.
As you read yesterday, BRP-Rotax has bumped up the juice on the 912iS. Paul Mather of M-Square reported, “Rotax’s latest 912iS now offers 105 horsepower.”
This increase is not particularly unusual. BRP-Rotax has long been quite conservative with their initial numbers. Before 915iS was ready for market, the Austrian manufacturer said to expect 135 horsepower. It turned out to test at 141 continuous horsepower, a 4% increase.
And Now…!
Rotax’s newest 916iS
At their Sun ‘n Fun 2023 press conference, Rotax said, “We are proud to achieve a new level of performance with the launch of our Rotax 916iS/c aircraft propulsion system, which makes it perfectly suitable for four seater planes and for high performance two seaters.” Float-equipped airplanes may embrace the more potent engine as an aid to break water faster.
First-Ever Montaer MC01 915iS to Debut at Season-Finale Aero Showcase This Weekend
When I asked “Mosaic LSA?” in the lead image of this article, was I simply being provocative? Or, is the soon-to-be-debuted Montaer MC01 with Rotax 915iS a forecast of what is to come with Mosaic?
Hopefully the title did get your attention but it asks a legitimate question for buyers of new potentially-Mosaic-compliant Light-Sport Aircraft.
The reason I feel this way is not merely the 141-horsepower engine Montaer designer Bruno Oliveira installed on the nose of his three-door LSA (see earlier review, before 915).
A more significant reason is that this airplane is one of several that may be able to re-declare compliance and get a substantial weight increase. It will already have a powerful-enough engine to lift a heavier load.
So, buyers of this airplane (and I repeat, MC01 will not be the only such choice) may be able to acquire a present-day 1,320-pound LSA and later get it bumped to perhaps 1,600-1,700 pounds, maybe more.
Montaer Scores Major Flight School Order; Announces 915 Model for USA plus Electric Project
We leave the grounds of Oshkosh ghosted with images of planes that attracted major interest. From Wisconsin we fly far south to Brazil, home to Montaer and its MC-01, number 154 on our Special Light-Sport Aircraft List.
Montaer will now be represented in the USA by a new group, Aero Affinity, whose ambitions are impressive and pilots may love all the services and choices they are proposing to deliver. Actually, they’re already delivering because the entities making up Aero Affinity are free-standing groups, each functioning in the industry today. Collaborating is a way to offer even more while spreading some of the cost among the group.
This same team made a splash at AirVenture with their matching Aero Showcase logowear. Here’s their website about the inaugural event scheduled for October 21-22, 2022.
For now, however, we’re going to blast part-way around the globe to Brazil where Montaer Aircraft scored big with a large order.
Big Producer of Small Engines — Rotax Reaches a Major Production Benchmark
Two decades into the new millennia, few aviation companies can claim impressive growth. In two decades, one company that everyone now recognizes as a climber is Cirrus Design and their successful SR-series of general aviation aircraft.
Back in 1998 many pilots were doubtful about Cirrus.
I was close to the company during these years. Over and over I heard statements such as: “They’ll never complete the design.” “They’ll never get FAA to approve it (especially with that parachute on board).” “They’ll never raise the money to produce it.” “They’ll never get production to a profitable level.” “They’ll never develop beyond a single model.” Those doubters were wrong on all counts.
Only a few years earlier, in 1992, Americans got their first glimpse of the 9-series Rotax engine. At the time, many aviation mechanics dismissed it as “…just a snowmobile engine.” They also turned out to be wrong.
Starting with their lightweight, advanced-technology, liquid-cooled, 80-horsepower engine, Rotax developed a line of powerplants and went on to dominate the light aircraft aircraft market globally.
AirVenture Day 0: Say Good-Bye to Rotax Two-Stroke Aircraft Engines
As AirVenture Oshkosh 2021 starts, we have arrived at a long-awaited beginning to the world’s biggest airshow.
AirVenture Oshkosh 2021 opens Monday July 26th and I am on-site to capture all the best news I can find for light aircraft.
Regretfully, my Canada-based YouTube partner, Videoman Dave, was denied entry by Homeland Security — his occupation was “deemed not essential” — so I’ll be flying solo to write daily articles and record video.
End of an Era?
As a company news release issued just before Oshkosh shows, we have also arrived at the end of an era. Rotax announced that the Austrian engine manufacturer will cease production of their last two-stroke powerplant, the twin-cylinder, 65-horsepower 582.
Indeed, as light aviation enthusiasts prepare for the coming Mosaic regulation that will dramatically alter the landscape, a clearer dividing line is revealing itself. Many light aircraft have embraced Rotax’s four stroke engines, overwhelmingly their 9-series models including carbureted 912 ULS, fuel-injected 912iS, turbocharged 914, and the newest 915iS.
Flight Design Introduces CTLS GT with Rotax 914 Turbo Power
Recently I interacted with a reader, someone considering a light aircraft for purchase. He inquired about the ability of ultralights or Light-Sport Aircraft to cope with high density altitude. He raised valid and worthy points but showed a certain lack of knowledge about the capabilities of light aircraft. (We are working on a more detailed article on this subject.)
Here’s the simple response: light aircraft with modern (read: powerful and efficient) engines tend to perform admirably well in high elevations, higher heat, and high humidity. If you fly almost any of these aircraft in high density conditions you already know they perform sprightly.
In contrast, I logged hundreds of Cessna 150 hours from my days as a flight instructor, and — with a similar amount of power as most LSA but also quite a few more pounds — that aircraft definitely does not perform as energetically.
So, a higher power-to-weight ratio is good, but do limits exist?
Go-Fast Mania Spreads to USA — BRM Aero’s Bristell “Speedster” with 915iS Fixed Pitch Prop
The need for speed is hard wired into humans, it seems. Even those of us who enjoy flying slow also love the idea of eating up the miles in some fast cruiser. A flight that turns a three-hour driving ordeal into a 25-minute aerial jaunt becomes a bragging right for any pilot.
Other than the pure thrill of logging a high groundspeed, going fast is only useful when you’re going somewhere. If perhaps your goal is aerial sightseeing then slow (and probably low) is the way to go. If you have to go fast, remember that old saying from auto racing: “Speed cost money; how fast do you want to go?” This equally applies to aviation.
FAA actually drew a speed line back in the early 2000s when the SP/LSA rule was being written (just as now with the LSA 2023 rule in the works). No, I don’t refer to the 120-knot speed limit we’ll discuss below.
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