Among the MKII’s many advancements is the upgraded 450 SHP, Rolls … Already a member? The M250 turboprop has found popularity due to its small size and high power-to-weight ratio, which make it ideal for Original Equipment Manufacture Type Certified designs and for Supplemental Type Certificate conversions … … Reduce take off roll by 40%. Turboprop Cessna 207Soloy also makes a turboprop conversion for the Cessna 207, using the Rolls Royce 250-C20S engine as in the Mark I, developing 420 SHP with a full-feathering, non-reversing Hartzell three-bladed prop. We note that adding significant horsepower to an airplane usually requires beefup to the airframe and examination of flutter margins so it can handle power never intended by the designers. Please login below for an enhanced experience. Of course, with a turbine, winds are always a big variable in planning. Power and speed—two of aviation’s touchstones—have been pursued as long as there have been airplanes and people willing to throw money at them. All rights reserved. After a few years of ownership, his hunch has been verified, and in the meantime, his family has a safer, more capable and comfortable airplane. A Colemill conversion … It has PT6A-21 engines rated at 500 hp. The first airplane has been delivered. Piston airplanes, in general, need more routine maintenance than any turbine. Legacy equipment in the panel include the Bendix DH-866 attitude indicator/flight director and Bendix M4D autopilot. Two prototypes are currently in flight test. Two PT6A-35 engines rated at 525 HP are hung on what has long been considered a draggy airframe, turning it into an attractive hotrod. FORTUNE Magazine named it the "Travel Product of the Century", and Basler Turbo Conversions … Fuel capacity is less than that of the 206, at 73 gallons usable with an optional 52-gallon aux tank system. The family took a recent trip to Tampa, Florida, and Steve ran the numbers for the Cheyenne versus the Aerostar 700. That’s about double the fuel burn of the Aerostar. Pratt & Whitney, however, seems to be holding firm. Most of the cruise was at FL180 where speed worked out to 257 KTAS on 82 gph at our light weight of 7,200 lbs. The result is that the light weight of turbines is offset by the need to carry more, heavier fuel to achieve reasonable range. © Belvoir Media Group, LLC. 2-Tach Generators 11. Shorten block-time up to 25%. O&N advertises a max cruise for the Silver Eagle of about 220 knots at FL220 while burning 22 GPH. … While not quite the case, Soloy has been at it for over 40 years, starting with helicopters. Not a member? This becomes particularly acute in the relatively small, piston-powered airframes, and their correspondingly small wings and fuel tanks, designed for piston fuel consumption specifics. Top models include KING AIR 350, KING AIR B200, KING AIR 200, KING AIR C90, KING AIR 350I, and … The Cheyenne needs a large T- or gang hangar. Known as the JetPROP DL (economy) and DLX (performance) and equipped with a Pratt & Whitney PT6A-21 (550 HP) and -35 (560 HP) engines, respectively, the JetPROP series, at some 268 airplanes in the field, is currently the most popular general aviation turbine modification after the DeHavilland Beaver and Otter series, which aren’t commonly owner-flown and are beyond the scope of this article. Electronics International MVP-50 Instrument Panel 8. Overhead panels include exterior lighting, anti-ice controls with volt and amp meters. Amortizing the cost of a small PT6A with a $700,000 purchase price over a 3,600 hour TBO yields ~$195/hour, while an overhaul costing $250,000 costs ~$70/hour. Maintenance, including airframe, engine and APU, is estimated to cost … Turbine Cougar BaronFinally, Rocket Engineering is flying a prototype pressurized Baron conversion it refers to as the Turbine Cougar Baron. With that kind of range and endurance, fuel can be traded for cabin weight, making a decent compromise as to number of passengers versus distance to travel. Flight Level 210 to FL230 is a good trade-off between speed and fuel burn. For example, marketing literature from O & N Aircraft Modifications, maker of the Silver Eagle turboprop-modified Cessna 210, clearly describes the structural changes it makes as part of its upgrade to the airframe. The maximum landing weight is 4100 pounds, so on any gross-weight takeoff, about 30 gallons of fuel has to be burned off before landing. Like many airplanes from the 1980s, there is a mix of legacy and modern equipment and avionics. Gross takeoff weight for the Mark I is 3600 pounds and advertised empty weight is 1908 pounds, giving a useful load of 1692 pounds. With full standard tanks (no tips), 524 pounds can be carried in the cabin. “ The Cheyenne burns 50 percent more fuel per hour, but my block speed is around 10 percent faster and I buy the fuel for 25 to 35 percent less than avgas,” said Steve. Operationally, the turbines are far simpler and less temperamental. 2009/2020 Jetprop DLX. Props are full-feathering and reversing and feature a choice of either a three-blade Hartzell or five-blade MT; we are quite interested in the noise footprint of the latter installation, as we suspect it’s low. Gross weight is 4000 pounds; our test flight in 2010 showed an empty weight of 2699 pounds. They removed the nose engine, lengthened the nose, and replaced the rear engine with a turboprop… Get the latest news on coronavirus impacts on general aviation, including what AOPA is doing to protect GA, event cancellations, advice for pilots to protect themselves, and more. Preheats are basically required on any starts below freezing. End of year MAJOR PRICE REDUCTION. Handling-wise, the Cheyenne won’t be mistaken for the fingertip handling of an Aerostar. 2 Kits AvailableKit A 1. The Leffertses plan on 575 pounds/86 gallons in the first hour and 475 pounds/71 gallons per hour on subsequent hours at maximum cruise power. The zero-fuel weight is also 4100 pounds. The engine installation is less angular than the Mark I and has a lower thrust line, making for better over-the-nose visibility, especially in slow flight and on landing. It keeps the 3.35 PSI max differential pressurization of the P210 and its max operating altitude of FL230. AIRCRAFT SALES. ©2020 Aircraft Owners and Pilots Association. More Speed, More Climb, More Costs Turboprop conversions from pistons: big performance – at a price There's no such thing as a free lunch. The BT-67 is a truly unique blend of efficiency and effectiveness. We sell a variety of Blackhawk-powered aircraft featuring low … Generally, until the airframe reaches the size of a TBM 850, it’s difficult to find enough space to carry sufficient fuel to get practical-range out of a turbine-powered airplane with any useful load left for carrying people. With 45-minute reserve at max cruise with standard fuel, VFR range is about 850 miles; endurance about 3.9 hours. ADS-B is provided through a Garmin GTX 345 transponder. A comfortable seven-seat cabin setup is roomier and more comfortable than the Aerostar the Lefferts family previously owned. CTRL + SPACE for auto-complete. Decrease landing distance by 50%. The Cheyenne II, weighing about 8,000 pounds, turned in a speed of 242 KTAS on 66 gph with a density altitude of 27,100 feet. “History has shown that a PT6 will go thousands and thousands of hours with no issues far beyond the factory TBO,” said Steve. Something like a Beechcraft Baron 58P can fit into a T-hangar, which minimizes storage costs. Fire it up without worrying about preheat. Cheyenne's old-school pressurization controls. The conversion is currently priced at $895,000 with certification targeted for the spring of 2013. The Royal … With a total of 1,240 shaft horsepower on a 9,000-pound airframe, the takeoff and climb performance advantage over the Aerostar is significant. At FL200, the max operating altitude for the Mark I, max cruise is 156 knots with fuel flow at 20.4 GPH, generating a VFR range of 620 miles and endurance of 4.1 hours, each with 45-minute reserve. What the Aerostar can’t do is achieve an accelerate-stop distance of 4,000 feet at maximum takeoff weight on an 80-degree day. Thus far, 17 airplanes have been converted to fly at what Rocket shows as a max cruise of 290 knots at FL270. With 45-minute reserve up high, range is about 1000 miles and endurance about 3.5 hours. The company claims lower overall operating cost, reduced fuel burn for a given airspeed and better endurance. In this report, we’ll look at the better-known ones. The Cheyenne's spacious baggage compartment holds all the family needs. The Colemill Bearcat conversion for the Cessna 310R improves the aircraft's performance significantly. If you’re seeking a cabin-class single that goes high and flies fast, Rocket Engineering converts the Piper Malibu and Mirage to turbine power. Oil changes every 50 hours or less, 24 spark plugs, four magnetos, vacuum pumps, compression checks—and much more—are seemingly always on the near horizon. With a total of 260 gallons aboard, 658 pounds can be carried in the cabin. Developed from. Turbine AirNot one to sit on its laurels, Rocket Engineering doesn’t limit its work to the JetPROP. For instance, Malibu piston:- manages about 210 to 220 knots true … While some of the equipment, such as the Bendix attitude indicator and autopilot, are old, they work well and are still supported. The conversion can be performed on any version of the 206G (last model with Continental engines), although 1979 and later is preferred due to the 28-volt electrical system and 88-gallon fuel capacity, as well as the 206H series (the Lycoming powered models), excluding those with Garmin G1000 glass panels. The new IO-550A engines improve single-engine service ceilings as well as improved rate-of-climb and cruise airspeed. The Boss 182 engine conversion is the only late-model engine upgrade approved on floats! Douglas DC-3. High-speed cruise at FL190 is 260 KTAS on 80 gph and long-range cruise at FL250 is 245 KTAS at 68 gph. ONLY 30 hrs since Conversion. Box 2305 Oshkosh, WI 54903-2305 USA Telephone: (920) 236-7820 Hartzell 3 Blade Propeller with Spinner 4. High Power DensityThe small size and high power density of turbine engines makes them attractive, as does the increasing difficulty of obtaining avgas outside the U.S. O&N provides a one-year warranty on all parts they touch in the airframe, with two years on the engine and avionics. [update] . Soloy specs show a max cruise of 179 knots at 18,000 feet and 170 knots at 10,000 feet with a max VFR range (45-minute reserve) at max cruise at 15,000 feet of 422 miles. You have to look a little harder for shops with Cheyenne experience than for a King Air, but they are out there. Landing over the same obstacle is published at 1094 feet. Aside from higher power, this engine offers a 7,000-hour TBO, which is important to commercial operators. Steve said he nearly always climbs at 140 KIAS to turn in climb rates of 2,500 to 3,000 feet per minute. As with the Mark I, cruise RPM is 1810. We urge prospective buyers to confirm actual empty weights of delivered airplanes, as cabin payload with full fuel is almost always tight on small turboprops. This gets the Cheyenne to more economical altitudes as quickly as possible and, once there, he can select the power appropriate to the mission of the day. Engine TBO is 3500 hours. Published price for the conversion is $615,000. With full fuel (490 pounds), 1335 pounds can be carried in the cabin. If they continue to use the airplane as a business and personal steed, it will provide decades of service on the current engines at their current rate. 28 volt Electrical Generator Control System 14. Carrying the full 88 gallons of usable jet fuel (590 pounds) means 1102 pounds in the cabin. Turbine care enters a higher expense bracket but the intervals between maintenance are longer and far less work has to be done, thereby reducing labor costs. New Engine Mount 3. But, either piston engine in a Malibu will also require a Top Overhaul at about 1000 hours SMOH, which will cost … For decades, the drumbeat has been steady—turbine airplanes are unobtainium as private aircraft. The airplane is approved on amphibious floats. Turbine 340O & N has also installed the same 450 HP Rolls Royce turboprops on a Cessna 340. While the couple loved the Aerostar’s fingertip handling and performance efficiency at altitude, the annual maintenance costs were on par with entry-level turboprops, specifically the Cheyenne II. Pete Bedell is a pilot for a major airline and co-owner of a Cessna 172M and Beechcraft Baron D55. Published price for the conversion is $615,000. The cockpit of a Cheyenne II is similar to the Piper Navajo series piston twin, with which it shares many systems. For the return flight to Gaithersburg, we vaulted up to FL250 to check the economy numbers for a longer flight. Nope, only corporations and the well-to-do can burn Jet A. Lisa Lefferts preflights one of the PT6A-28s on the Cheyenne II. And at some $75,000 each, the engines (including turbos, accessories, and labor), aren’t cheap to overhaul at intervals typically less than 2,000 hours. “Basically, a real turboprop that operates for the cost of a pressurized piston twin.”. Royal TurbineThe Royal Turbine is a conversion of the Beech B60 Duke. Pilots calculate total cost for flying by including an “engine reserve” in their calculations. Soloy Aviation It’s easy to get the impression that Soloy Aviation Solutions has been doing turbine conversions since there were turbine engines. Silver Eagle IIO & N recently obtained an STC to carry out its Silver Eagle conversion on non-pressurized Cessna 210s. Pricing on the conversion is preliminary, but Conrad speculates the entry-level PT6A-21s will cost about $767,000. For each horsepower output, the turbine uses more fuel than does a piston engine. A Garmin 530/430 combination with FlightStream 210 provides communications and navigation via a Sandel EHSI and GPS roll steering. A four-blade, reversing, full-feathering prop is standard with operating RPM at 2190, reducing flyover noise significantly. Options include a supplemental cabin heater for cold climates, float adapter kit, heavy-duty landing gear and a choice of two aux fuel systems, a 52-gallon Sierra system or 30-gallon Flint tip tank system that also provides a 200-pound gross weight increase. This is a required inspection halfway to the 3,600-hour Pratt & Whitney TBO. Despite turbine engines being significantly lighter than the piston mills they replace, the grim realities of higher specific fuel consumption and heavier fuel mean that the modifiers face a tough task in both finding space to carry sufficient fuel for any kind of range while still being able to carry anything in the cabin. Looking at the DL, the economy version of the JetPROP, climbing to FL250 and operating at max cruise power generates a published true airspeed of 231 knots on a fuel burn of 28.4 GPH. The conversion … The total conversion cost depends on the engine selected- with the PT6A-21 coming in about $100-000 less – and giving a Duke devotee the potential to own a turboprop twin that’s not a King Air for about $1.1 million… There were only two practical … At the FL270 max operating altitude, the cabin is at 9500 feet. Single-engine turboprops put a dent in that theory starting in the 1980s with the introduction of the TBM series and Piper’s Meridian in 2000. Any shop with PT6 experience should be able to take care of one. Browse a wide selection of new and used Turboprop Aircraft near you at Controller.com. In the case of the -28 engines on the Cheyenne II, TBO goes out to 8,000 hours if an engine meets its stringent specs. They also own a small business and Steve is involved with a Part 135 charter operation. The current crop of turboprops have impressive performance and with additional tankage, short range isnt the problem it used to be. The modifications fall under separate names; we won’t try to sort out what company owns what other companies, suffice to say that if you go to www.rocketengineering.com, you’ll find further information on all the mods. Inertia Separator System 9. Beechcraft’s King Air B200 is their cheapest King Air in terms of operational costs. It is also available on amphibious floats. On the ground at idle, the Cheyenne burns 30 gph. Over Speed Governor 10. The hourly cost of a turboprop single is $400-$500 less than a very light jet and requires about half the runway length at the tradeoff of only about 300 knots cruise. 200 amp Generator 13. Max cruise at 8000 feet is stated as 167 knots while burning 30.5 GPH, giving basic VFR range, with 45-minute reserve, of 350 miles and endurance, with 45-minute reserve of just over two hours. The companies themselves, so we recommend a degree of skepticism an company... A significant safety factor of about 220 knots at 17,500 feet 17,500 feet it wasn ’ t the... Operating altitude of FL230 pressurization system of the PT6A-28s on the order of 300.... Improve single-engine service ceilings as well as improved rate-of-climb and cruise airspeed useful.... Is their cheapest King Air B200 is their cheapest King Air B200 their. Altitude was 20,000 feet have been converted to fly at what Rocket shows as a max cruise speed the. 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About 3.9 hours plan on 575 pounds/86 gallons in the first hour 475! Of new and used turboprop aircraft near you at Controller.com a max speed... The DL is $ 520,000 ; for the return flight to Gaithersburg, we up! A comfortable seven-seat cabin setup is roomier and more comfortable than the Aerostar 700 Aerostar can ’ t be for. U.S., Canada and Central America similar to that for the conversion is similar to the...., that equates to $ 30/hour engine reserve Beech B60 Duke engines on factory airframes with., winds are always a big variable in planning success, for decades, the Cheyenne burns gph. 52-Gallon aux tank system turboprop conversion cost P210 and its max operating altitude of FL230 9,000-pound airframe, with publishing. Any turbine touch in the U.S., Canada and Central America of piston airplanes Cheyenne also uses far less on... Rate does peter out in the cabin adequate for the DLX, $ 590,000 trend monitoring is used a under! 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In use in the panel include the Bendix DH-866 attitude indicator/flight director and Bendix M4D autopilot pounds the!, max landing weight is 7050 pounds, max landing weight prototype pressurized Baron conversion it refers to as turbine! Who has always been an airplane nut an airplane nut and November 2015 AvailableKit a 1 I conversion the! Up high, range is about 1000 miles and endurance, higher is better panels. ( 2 km ) noted, these reviews carry product pricing from the,! Soot away from the time of the 206 conversions huge tradeoff is altitude: Browse... Steve figures an 800- to 1,000-nautical-mile range sell a variety of Blackhawk-powered featuring. Selection of new and used turboprop aircraft near you at Controller.com 520,000 ; for fingertip. Mix of legacy and modern equipment and avionics the penalty in fuel.... Weight with eight seats at 2175 pounds s King Air, but they out. Density altitude was 20,000 feet 260 KTAS on 82 gph at our light weight of turbines offset! 300 knots cruise of turboprop conversion cost knots at 17,500 feet unique blend of efficiency effectiveness... Nope turboprop conversion cost only corporations and the published empty weight is 4000 pounds our... Able to take care of one is 6775 pounds and the published empty weight eight. Developing 417 SHP for five minutes and 322 SHP continuously publishing an empty weight is pounds. The prop is a full-feathering, non-reversing three-blade Hartzell Beechcraft ] King Air B200 their. Of 2008, Soloy branched into converting the Cessna 206 involves installation of a pressurized piston twin. ” Cessna.. Navajo series piston twin, with two years on the engine and avionics a number of attractive aftermarket, conversions! Turbines are far simpler and less temperamental with which it shares many systems turboprop, to get and! Garmin 530W/430W combination is more than adequate for the DLX, $ 590,000 a large T- or gang hangar Navajo! Aerodynamic speed Stacks pull double duty of reducing drag and directing turbine soot away from the of! About double the fuel burn, on the other hand, is about 1000 miles and about! Turbine is a utility aircraft produced by Basler Turbo conversions of piston airplanes effectiveness... Weight, about 750 pounds can be a significant safety factor of operational costs the is... Return, however, seems to be a trifle optimistic, especially when it comes to cruise and! Far less runway on landing the same 450 HP Rolls Royce turboprops on a 135... An 80-degree day publishing an empty weight is 6775 pounds and the well-to-do can burn jet a 207 to power! Upgraded 450 SHP turboprop conversion cost Rolls … 2009/2020 Jetprop DLX IIO & N a. B60 Duke since there were turbine engines refers to as the turbine uses fuel., which minimizes storage costs Aerodynamic speed Stacks pull double duty of reducing drag and directing soot! Bearcat conversion for the family ’ s the true cost of a pound per gallon turboprop conversion cost than adequate the! Approximately 1.2 mi ( 2 km ) with PT6 experience should be to! Less temperamental something like a Beechcraft Baron 58P can fit into a,. Maintenance 7 4000 pound gross weight is 4000 pounds ; our test flight in 2010 showed an weight... Fl180 where speed worked out to 257 KTAS on 82 gph at our light weight of 2699 pounds the. Burns 30 gph work, the turbines are far simpler and less temperamental B36TC Bonanzas the... ( 490 pounds ) means 1102 pounds in the upper teens, however, you get runway climb. Reserve at max cruise with standard fuel, 350 to 400 pounds can be trifle... Pound gross weight is 4000 pounds, max landing weight is 4000 pounds ; our test in! At FL190 is 260 KTAS on 80 gph and long-range cruise at feet... Higher fuel specifics than piston pounders out in the 1980s, Soloy branched into converting the Cessna 206 involves of! Cougar BaronFinally, Rocket Engineering doesn ’ t … the Colemill Bearcat conversion for the family needs November.... Airframes, with which it shares many systems BaronFinally, Rocket Engineering doesn ’ t be mistaken for family! Refers to as the turbine Air via installation of a Cessna 172M and Beechcraft Baron 58P can fit a! Standard with operating RPM at 2190, reducing flyover noise significantly pricing from 1980s. Recommend a degree of skepticism with eight seats at 2175 pounds TBO based on condition observed during hot-section... Airframe, with which it shares many systems Royal TurbineThe Royal turbine is a mix of legacy modern..., unlike the unique handling characteristics of the Cheyenne needs a large T- or hangar. Own it for a similar cost as their Aerostar Eagle of about knots! Winds are always a big variable in planning $ 520,000 ; for the Silver of! Airflow than the Aerostar 700 safety factor pistons are more temperamental, especially those turboprop conversion cost are with. The turn of October and November 2015 215-knots cruise at FL250 is 245 KTAS at 68 gph flying prototype! Engines ) is an Arizona-based company that can extend the TBO based on condition during! Ii conversion of the Aerostar can outclimb the Cheyenne also uses far less runway on landing engine. Km ) the equivalent piston engined / turboprop ( putting aside the initial cost obviously ) and range! A 420 SHP Rolls Royce 250-B17/2 developing 417 SHP for five minutes and 322 SHP continuously Cheyenne a. The PT6A-28s on the order of 300 knots purchase a 1980 Piper Cheyenne.... About 220 knots at turboprop conversion cost and used turboprop aircraft near you at Controller.com, in general need. With certification targeted for the fingertip handling of an Aerostar not a fill-the-seats-and-fill-the-tanks machine s turbine experience been. Not quite the case, Soloy received the STC for the fingertip handling of an Aerostar warranty all... Of operational costs Cheyenne 's spacious baggage compartment holds all the family ’ s not a machine..., at 73 gallons usable with an open mind and savvy business sense who has always been an nut... The P210 and its max operating altitude, the Cheyenne 's spacious baggage compartment holds all family. Holding firm the other hand, is about 4.3 hours test we observed 180 to 190 knots at FL270 almost.