Stratus (US) Stratus engines are converted from Subaru automobile engines and are built and marketed by Stratus 2000, Inc. of Camano Island, Washington. Stratus is now in production, having delivered 15 powerplants, and the company has a current backlog of 10 orders. However, the company recently installed a 100-hp engine in a Cessna 150F and is thrilled with the results. These numbers indicate the economic and performance advantages of a recent vintage liquid-cooled powerplant equipped with a PSRU over an older air-cooled, direct-drive engine. A lightweight 12-amp alternator is fitted, and the package includes engine mounts that use Lycoming couplers. He needed quietness and smoothness of operation for fun and peace of mind. Figure 1 reflects a few comparisons between the Continental 0-200 and the Stratus engine on this airframe. The EA81 compact design as well as the low weight/power ratio makes it a highly recommended power plant for the TERRIER 200. The company specialized in the design and manufacture of engines based on Subaru automotive engines for homebuilt aircraft. Subaru Fiyatları & Modelleri sahibinden. Jabiru engines are designed to be manufactured in small batch quantities using the very latest Computer Numerically Controlled (CNC) machine tools. Hoffman attributes his Subaru powerplant’s smoothness to three elements: superior balancing, a horizontally opposed cylinder layout, and a belt-type propeller speed reduction unit (PSRU). What is not shown in the chart is the weight advantage of the Stratus engine. the design and manufacture of engines based on Subaru automotive engines for homebuilt aircraft. on "Stratus Subaru Auto-Engine Conversions", Alternative Engine Power For Gyrocopters – Part 3, https://en.wikipedia.org/wiki/Stratus_2000, https://www.facebook.com/RAM-Racing-Engines-1459871787625643/, http://www.redbackaviation.com/macpherson-windfire-helicopter/, Fuel Consumption (at 100 mph indicated). Aircraft Engines that check all the boxes Viking & Valkyrie Power By Viking Aircraft Engines Just wanted to thank everyone at Viking. Thiel reports that he has had his Avid up to 16,500 feet and he says he especially appreciates the quietness and smoothness of the powerplant. Stratus rates the engine at an even 100 hp at 5400 rpm. The engine is based upon the Subaru EA 81 automotive engine. After much research on Subaru engines, it was decided that the North American EJ22 turbo was the best starting point to give the desired 180-200 hp reliably. Your email address will not be published. However, the Stratus Corporation of Seattle, Washington, appears to have been successful in its endeavor. Remember, as with Wikipedia, it only takes a few dollars from every person who visits to cover our running costs. STRATUS have not been in business for many years. The company also designed its own 2.2:1 ratio propeller speed reduction unit to slow the crankshaft speeds down to those that can be used by aircraft propellers efficiently. each. This is the complete Stratus EA-81 package. Stratus Incorporated Converted Subaru EA-81 engines for use in Avid Flyers and similar light, home-built aircraft, and the Cessna 150F Subaroo Specialties Performance Subaru engines… The EJ25 available at the [3][4][5][6], The company built two Subaru-derived designs, the Stratus EA 81 based on the Subaru EA 81 automotive engine and the Stratus EJ 22 based upon the Subaru EJ 22 automotive engine. Read Book Subaru Conversion Aircraft Engine true on 9.25 Gal/hr. Thiel also reports that the entire 398 hours has been trouble free insofar as the Stratus engine is concerned. The company has been flight testing it's engines for more than a year. Stratus 2000, Inc specialized in the design and manufacture of engines based on Subaru automotive engines for homebuilt aircraft. Check them out: https://www.facebook.com/RAM-Racing-Engines-1459871787625643/, Also see: http://www.redbackaviation.com/macpherson-windfire-helicopter/, I am in need for a source for stratus engine parts for a Subaru EA-81 , 1.8 lt. engine. Since 1992, Stratus, Inc. has converted Subaru EA-81 engines for use in Avid Flyers and similar light, home-built aircraft. [1][3], Some existing airframe designs, like the Zenith CH 601, have been adapted for the Stratus engines, while other aircraft have been designed around the engines from the start, such as the Airdale Backcountry. engines based on Subaru automotive engines for homebuilt aircraft. The price of the complete Subaru EA81Stratus powerplant as shown in Photo 1 is $5995. Thiel is an experienced Bush pilot, and he needs a rugged aircraft, which speaks to the hardiness of both the Avid airframe and the Stratus powerplant. EA81 PERFORMANCE With the EA81 we have the good fortune of the engine being very popular with the kit and experimental aviation communities. Stratus are a well known engine builder with a excellent history on their EA81 Subaru conversion providing thousands of safe flying hours around the world. Is SUBARU Stratus Engine Company still on business? Zenith Aircraft Company offers a firewall-forward package for the EA-81 Subaru engine conversion (from Stratus Inc.) for the ZODIAC CH 601 series. I can not reach their website. An estimated 1000-hour TBO and altitude adjusting Bing carbs make for an easy-to-use, affordable mill that should serve well and long in most aircraft applications. Stratus rebuilds its engine-changing the camshaft to optimize the torque curve for aircraft use. Where can I get the most recent information on the company? Over a period of nearly three years, Stratus, headed by Reiner Hoffman, a young engineer from Karlsruhe, Germany, has developed and is now marketing its version of the Subaru EA-81 engine. We appreciate your consideration in this matter. This company uses a four cylinder EA-81 or an EJ-22 Subaru engine for conversion to an aircraft engine. Most of the engines have been retrofits with seven flying. The Stratus EA-81 can be installed in planes like George Thiel’s Avid Heavy Hauler. Note: All figures based on a stock Cessna 150F with no wheelpants; sea-level conditions; a takeoff weight of 1600 pounds; outside air temperature of 55°F; and humidity of 68%. The firewall-forward package supplied by Zenith Aircraft Company includes the following, less the actual Stratus EA-81 Subaru engine and exhaust system (to be purchased separately from Stratus Inc.) The EA-81 is a 1.8 L, with two Bing carburetors, single ignition, liquid cooled, belt driven reduction for the propeller, equipped with a 45 amp alternator and its maximum power is 100 hp. Stratus EA-81 Subaru CAM 100/125 - Honda-based conversions Continental Aircraft Engines (O-200, C-90, etc.) Since 1992, Stratus, Inc. has converted Subaru EA-81 engines for use in Avid Flyers and similar light, home-built aircraft. The company seems to have gone out of business about 2008 and engine production ended. However, the company recently installed a 100-hp engine in a Cessna 150F and is thrilled with the results. The “near perfect” all rounder engine. The complete engine weight is 182 pounds dry and 215 pounds with cooling system and liquids. 0L DOHC engine, designated the EE20, has an output of 110 kW (150 PS; 148 bhp) at 3600 rpm and develops 350 N⋅m (260 lb⋅ft) of torque If Stratus had suspected the ruggedness and reliability of the Subaru engine, 450 flight test hours on two test aircraft confirmed its judgements. SDS EM-5: Aircraft Re: Subaru NSI-E81 Engine 100HP with NSI re-drive The Subaru motors are good motors, but are fairly THE STRATOS 714 400 KNOTS | 1500 NM | 6 SEATS THE STRATOS 714 400 KNOTS | 1500 NM | 6 SEATS The Stratus powerplant has been under development since early 1992, accumulating much ground testing plus approximately 200 hours in an Avid Flyer and 250 hours in a Cessna 150. 95 Get it Thu, Dec 3 - Mon, Dec 7 Only 4 left in stock - order $ . See: https://en.wikipedia.org/wiki/Stratus_2000 All that said, I just picked up a running Subaru EA81 flight engine with a "reductions" (by Dave Johnson) belt redrive and 72" 3 blade Powerfin prop for an absolute song. E81 SUBARU ENGINES (3 OF THEM) • $250 • FOR SALE • Three E81 Subaru engines.Ideal for conversion. The TBO is expected to be at least 1000 hours, Hoffman says. Photo 1. These were readily available and bulletproof. Nobody is standing up and preaching to the masses about the benefits of the Subaru engine. George Thiel of Seattle, Washington, powers his Avid Heavy Hauler with a Stratus and has logged 398 hours on it. This approach has been tried before, with mixed results. The efficiency advantage of the Stratus engine will result in a significant improvement in range when compared to an 0-200. Smooth idle at 500 rpm also supports Stratus claims of smooth operation. One of it's Genuine Subaru Group N Engine Mount Pair STi Impreza WRX Forester Legacy GT NEW 2002-2015 D1010FE110 D1010FE120 5.0 out of 5 stars 5 $126.95 $ 126. The company installed a 100-hp engine in a Cessna 150F with good results. Stratus powerplants have also been used as retrofits in production aircraft, such as the Cessna 150. It is a four-cylinder four-stroke, 1,800 cc (109.8 cu in), liquid-cooled, gasoline engine design, with a belt-type reduction drive with a reduction ratio of 2.2:1. ZODIAC Photo Gallery: Engine Installations ZODIAC Photo … Majority of the components are machined in Southern Queensland in a network of small companies. Regarding the PSRU, Hoffmar points out the safety feature of incorporating two 30-mm, super-strong HTD belts, noting that even if one were to fail, the other would be more than adequate for sustained flight. The Stratus EA81 comes as a com­plete aero-engine… the 182-pound weight includes the reduction drive, alternator, starter, flywheel, carbs, mounts, and exhaust manifold. He wanted a rugged and reliable engine for safety. The Stratus EA-81 can be installed in planes like George Thiel’s Avid Heavy Hauler. This website is 100% self funded, and has been since it began 2006 (from the people who also bring you Redback Aviation Homebuilt Helicopters. Homebuilders looking for a relatively inexpensive, reliable, smooth-running powerplant should consider the Stratus! Static thrust has been measured at 498 pounds. Visit Subaru Superstore for our Genuine Subaru Engines and Certified Subaru Rebuilt Engines. However, the company recently installed a 100-hp engine The Subaru EA81 was originally designed & developed as an Aircraft Engine and then later modified for Automotive use when Subaru pulled out of the aviation business. Your contributions will go far to keeping this homebuilt gyrocopter website alive and fresh. From what I remember, these were robust and reliable little engines that were great on fuel and low noise. Stratus rebuilds its engine-changing the camshaft to optimize the torque curve for aircraft use. Where To Download Stratus 2000 Engine Stratus Inc. They report easy cockpit conversation without electronic augmentation. There is no evangelist for Subaru Aircraft Engines or the conversions of them. Operators of Stratus powerplants attest to their super quietness and smoothness. During the testing of the Stratus engine in the Cessna 150, some interesting engine data were accumulated. The Stratus powerplant is basically a stock Subaru EA-81 with a PSRU added for efficiency. We cannot help you with this, though RAM engines still seem to offer Subaru configurations. Since 1992, Stratus, Inc. has converted Subaru EA-81 engines for use in Avid Flyers and similar light, home-built aircraft. Hope someone from the public might be able to chime in here with some information? The company specialized in the design and manufacture of engines based on Subaru automotive engines for homebuilt aircraft. Stratus sells their engines to builders of experimental aircraft. SKYWHEELS™ Rotor Blade Manufacturing To Resume. The Stratus company uses a Subaru auto engine as close to the original configuration as is feasible. He wanted near-stock configuration for economical acquisition and operation. According to Hoffman, the Stratus Subaru EA81 powerplant weighs approximately 40 pounds less than the 0-200. Overview of home built 1993 Kitfox 4 with NSI/Subaru EA81 aircraft engine 512 trouble-free hours on pump gas or 100LL. I've rebuilt several high HP Subaru engines for auto use, so I feel comfortable with the design and layout of the engine. [1][2], The company was founded as Stratus, Inc. in 1992 by Reiner and Petra Hoffmann, and was sold in 1999 to Mykal Templeman and renamed Stratus 2000, Inc. There have been a few that some would label as such (but Stratus 2000, Inc was an American aircraft engine manufacturer based in Camano Island, Washington and later in Corvallis, Oregon. Stratus 2000, Inc was an American aircraft engine manufacturer based in Camano Island, Washington and later in Corvallis, Oregon. It employs electronic ignition and produces 100 hp (75 kW) at 5400 rpm. Each Stratus engine is delivered dynamometer tested from 103-107 hp. The Stratus EA-81 Aero-Engine Stratus, a corporation based in Camano Island, Washington, manufactures engines for home-built aeroplanes. 570 hours on the setup as of March 2017. The Stratus powerplant is basically a stock Subaru EA-81 with a PSRU added for efficiency. I would consider buying a new EA-81. [7][8][5], "Homebuilt Homepage - Vendors - Powerplants - Stratus", https://en.wikipedia.org/w/index.php?title=Stratus_2000&oldid=751976235, Defunct aircraft engine manufacturers of the United States, Creative Commons Attribution-ShareAlike License, Four cylinder, liquid-cooled 100 hp (75 kW) engine based upon the, Four cylinder, liquid-cooled 180 hp (134 kW) engine based upon the, This page was last edited on 28 November 2016, at 20:45. The Subaru cylinder heads are ported for better breathing The engine is fitted with a custom intake manifold and two Bing altitude-compensating carbs. Since 1992, Stratus, Inc. has converted Subaru EA-81 engines for use in Avid Flyers and similar light, home-built aircraft. 2 normal & 1 turbo $250. The aviation community builds these engines in a range from stock to over 140HP.

stratus subaru aircraft engines

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