For some reason, this XP GLJ 25D SE has all the switches and lights but does not have the system coded. Many times I receive offers or invitations to review a product and the offer comes at an inconvenient time mostly due to my haphazard work schedule. Improved version. The thrust reverser paddles are removable with a single click so we can see the partially hidden switches. Talking about those small fuselage Learjets, take a look at this comparison of a Lear Model 25 fuselage diameter compared to the Learstar 600 design. A refrigeration-type cooling system is used for cooling and dehumidification while the aircraft is on the ground or operating at altitudes below 18 000 feet. The time required to accelerate from idle to 100% RPM is approximately four seconds. WebThe 25 seats up to 10 passengers plus 2 pilot (s). High Speed Cruise 475 kts Fuelburn: 149.0 GPH However, it has been often at the cost of fuel efficiency. AVSIM Online - Simming's Premier Resource! This free Sample Version has more information in it than most developers provide for competing products. The Model 25D will climb with bursts at 8,000 fpm and will climb from Sea Level to FL430 in 13 minutes. Gates thought a replacement for these late model 20 series jets should be fairly straight forward and they managed a great replacement with the introduction of the Gates Learjet Model 35. This is really my only disappointment in the cockpit. A 25 will burn more fuel, of course, but that's only part of the equation. Both are powered by aft-fuselage-mounted, twin Honeywell TFE731-40BR turbofans, with a top speed of an impressive 535 mph (465 knots) and an average fuel burn of just under 200 gallons per hour. We thank you for your support and hope you'll join the largest aviation community on the web. There are more Learjets in service than any other business jet. WebCertified to the stricter FAR Part 25, the $13.8 million Learjet 75 competes with the Embraer Phenom 300 and the Citation CJ4, beating them in cabin volume, with 364 cu ft (10.3 m 3) against 327 and 295 cu ft (9.3 Fuel burn at high-speed cruise: 1,079 lb/h (489 kg/h) at 451 kn TAS at FL470 Installation extra. Now, that is a really small diameter fuselage. http://www.ferrarichat.com/forum/showthread.php?t=370969, (You must log in or sign up to post here. WebThe Learjet 25 generally has five fuel tanks. But, there's nothing like giving the " finger" to the commercial flying world! Ouch. Finally, the Xtreme Prototypes Classic GLJ Model 25 SE. The inverter outputs are frequency synchronized through a paralleling bus tie. The Learjet 25 is a challenging aircraft to fly in comparison with most general aviation aircraft and more modern light jets. The 30 series have much more fuel efficient engines, not to mention quieter. The landing gear, brake, flap and spoiler systems are hydraulically operated. At idle on the ground a 20 series learjet will burn something like 150 +or- us gallons per hour. I need something cabin class that is cheap to fly for about 1 hour legs. The Learjet 25 cabin is pressurized to enable high altitude operations without the use of supplemental oxygen. You know, that old just a few more lines of code, thing.. Best Range (i): 1,590 NM Fuel Burn: 256.0 GPH Stall Speed: 90 KIAS Rate of climb: 6,900 FPM Ceiling: 45,000 FT Takeoff distance: 3,393 FT Landing distance: 3,310 FT Weights Gross Weight: 12,499 LBS Empty Weight: 6,150 LBS Fuel capacity: 834 GAL Ownership Costs 1965 Total Cost of Ownership: Register For Free Total Fixed Cost The Softflite wing has boundary layer energizers in place of the vortex generators that were mounted ahead of the ailerons on the original Learjet wing. As most of you already know, Bill Lear invented the autopilot during World War II, and every Learjet that ever left the factory came with a Bill Lear designed J.E.T. Each wing tank extends from the centre bulkhead outboard to the wing tip and provides separate fuel for each engine. Simply put, a shorter cabin to make room for more fuel. It's got a stick shaker unit that forces the nose down if you get it too slow, pulls it up if you get too fast, WebThe Learjet 25D is powered by General Electric CJ610-8A engines with 2,850 pounds of thrust. You can also add EICAS gauges from the Lear 45 FSX/P3D default model. At 6000 feet elevation, 50 degrees Fahrenheit and with an average load of 5 passengers, the Learjet 25B will require approximately 8000 feet of runway. This is a very handy feature. Be careful though, and make sure you have a backup of your aircraft.cfg file and if you screw it up dont email the developer and ask for help. The DC system is powered from two 28 Volt, 400 Amperes, engine-driven starter-generators. Additionally, the Learjet 60 has an average hourly fuel burn of 203 Gallons per Hour (GPH). One summary table for fuel burn (1st hour, 2nd hour, etc) is included and a simplified example of a 950 nm flight is included which is more than most other developers include so I may be coming down a little hard on them. I remember Clay Lacy stating that Jet Fuel for the Learjet was 18 cents a gallon in Southern California when he was giving demo rides in the Model 23/24 in 1965. On May 17, 2017, a Learjet 25B registration XA-VMC operated by the company Aerotransportes Huitzilin S. A. de C. V. crashed at 3:26p.m. local time shortly after taking off from Toluca International Airport, Mexico bound for Durango. Hydraulic pressure for retraction and extension of the gear is transmitted by a system of tubing, hoses and actuating cylinders and is electrically controlled by limit switches and solenoid valves. This explains why the extensions are constant chord. The 25 seats up to 10 passengers plus 2 pilot(s). Here is a recent price break down from Business and Corporate Aviation magazine. So effective is this thicker wing cuff that the 25G can cruise at 0.81 Mach on the same fuel flow as the 25D cruising at 0.78 Mach. Many Learjet 25 aircraft remain in regular use today, particularly in the United States, Mexico, and Canada. Embraer is the latest manufacturer entering the business jet market with the Phenom and Legacy lines of business jets. Or you could always get a Notar. No warranty of Just remember that it all starts with the Altitude Pre-selector and it is a lot easier if you have the airplane already at the correct airspeed and in the proper climb or descent attitude when the AP is engaged. Had they continued the sweep they would have run out of wing-tip chord and structure upon which to mound the tip tanks, or they would have had to move the tanks back, thus aggravating the cg problem. After a honest introduction to the turbine world, will you feel that playing with Ferrari's are chump change, by comparison. I seldom fly with more than 4 passengers, but many times I reduce the fuel load to the Max Landing Weight of 13,300 because the fuel dump procedure is not included. We all know the LearJet has gone through several iterations by 3 primary aircraft companies. As the ignition cycle is completed, the igniter plugs cease sparking and combustion becomes self-sustaining. This added a stall strip and full-chord wing fence to create an aerodynamic warning and a straight-ahead stall. Just to whet your appetite, I have a few closeup screenshots to show some of the HD detail. Get my point? The brake system utilizes hydraulic pressure for power boost. The day to day operations went to Harry Combs for several years as Gates gained momentum and established their sales strategy to promote the new Gates Learjet. FSX Boxed, Steam, P3D v2-3. . The oxygen storage cylinder has a capacity of 38 cubic feet and is stored at 1800 psi. To complete the design efforts that started with the somewhat simplified plan of upgrading the Model 25 with newer fuel efficient and quieter engines with a little more thrust turned into a longer, wider, more powerful new model with much improved low speed handling while retaining excellent cruise speeds at the highest flight levels allowed. The stall warning system utilizes a stall warning vane on each side of the nose. The engine fire system is of the continuous-element type and will provide a FIRE warning indication to the crew in the event that the rear nacelle area temperature exceeds 510 degrees Fahrenheit or if the forward nacelle area temperature exceeds 480 degrees Fahrenheit. A new cuff was designed to accelerate the air movement in this area that smoothed the flow between the engine nacelle and the wings trailing edge. (the Learjet 25D was certified for FL510). Long Range Cruise Speed 418 kts, Rate of climb 6,050 fpm, one engine ROC 1,910 fpm. The best glide distance with engines windmilling is obtained with a clean airplane configuration and with a glide speed of 160 to 170 knots. Thanks to its Pratt & Whitney Canada PW305A engines, the Learjet 60 has a total thrust output of 9,200 lbs. The refrigeration system consists of a compressor, receiver dehydrator and evaporative cooler located above the baggage compartment. Twin engine turbojet aircraft. Thanks to its Honeywell TFE731-20BR engines, the Learjet 45XR has a total thrust output of 7,000 lbs. This Century III wing did not alter the Learjets tendency to roll off sharply during a stall. On April 10, 2014, a privately owned Learjet 25D was destroyed on the ground by Venezuelan forces. No extra charges for P3D. But, the standup and walk around Learjet cabin would arrive at a later date with the 40 and 60 series. There was never a 25E model, but there was a 25F that was grouped in with the 25D production numbers. The Bombardier Learjet 60 can cruise at up to 51,000 feet. So, if the normal econ cruise is supposed to be M0.77-M0.78, the fuel burn modeled is definitely too high. XPs GLJ 25 was inspired, according to the manual, by the Model 25D with a few real world options added, such as the Dee Howard thrust reversers, Century III wing with SoftFlite Boundary Layers and some more recent additions such as the availability to add some of our 3rd party avionics to the VC panel such as the popular Flight1 GTN 650/750 combo or one of the newer weather radars. To correct for the wing drop, in 1979 Gates introduced another improvement call Softflite. Additionally, the Learjet 31 has an average hourly fuel burn of 177 Gallons per Hour (GPH). WebThe Learjet 24 is an American twin-engine, high-speed business jet, which was manufactured by Learjet after the success of the Learjet 23. Both look like Learjets. The hot section on a PC-12 is the same as one engine of a King Air 300, just a little more than one on a King Air 200. Near the back of the flight manual is a full page Limitations with all the V speeds and Placard speeds. The Classic GLJ Model 25 SE runs smooth as butter on my test system. For instance, Gates supposedly upgraded all the production models to FAR 25, Transport Category certification level aircraft, while in fact the Model 24/24A aircraft were certified as Part 25 aircraft 8 months prior to any Gates involvement and the Model 25 was already in the approval process. Parts are actually less of an issue with a 25 than you might think, because so many have been scrapped that you can usually find used parts. That's a ton of Family! The Learjet 24 had several variants, designated by letters A, B, C, D, E, and F. [2], Two General Electric CJ610-6 single-rotor axial-flow turbojet engines are pylon-mounted on the aft fuselage. The 40 is a 45 that has about 26 inches chopped out of the fuselagealso in production and certification with first flight scheduled for March. Thanks to its Honeywell TFE731-20BR engines, the Learjet 45XR has a total thrust output of 7,000 lbs. fuel cost (one hour) Lear 24F $591.73 Lear 25D $721.92 Lear 35A $534.76 Tail and Winglet closeups with beautiful airline logos. Make sure you checkout the Approach plates and the iPad on the side panels. Aircraft flying government officials, Helicopters The indicator face is divided into green (safe), yellow (caution) and red (danger) segments. The pointer responds to the dynamic pressure from the pitot heads on the nose compartment. FAA certified on September 4, 1970. - Use this form or email to reach out to us: feedback@planephd.com. On the east coast of the U.S. center contollers will not allow you to get to those altitudes very quick making the aircraft sucking the fuel down. I would like to recount the history of the General Electric CJ610 engine used in all the 20 series Learjet models, including our GLJ 25SE and hopefully get back to the story of how the original Garrett AiResearch TFE731 engine came to be. I understand that a new French language edition of the manual is almost complete. There were only a handful of 20 series models after the 25D. When the aircraft speed is 7% above stall, the stall warning energizes a control column shaker that produces a low-frequency buffet signal through the control column to warn the crew. Normal Cruise Speed 443 kts The Gates Rubber Company purchased all of Bill Lears interest for about $28 million in early 1967. FC-110 with Yaw Dampers. In 1970 the Learjet 25B was produced along with the Learjet 25C in the same year. In terms of cost, the Learjet 60 has an estimated hourly charter price of $4,250. Oxygen is always available for the crew and can be made available to the passengers manually or automatically. Two disc-type indicators are flush mounted under the left engine. As those folks that built or bought homes near the new airports and then discovered just how loud these little Pocket Rocket Learjets could be as their dishes rattled and windows vibrated they pressed for more and more stringent noise controls. These boundary layer energizers are small spanwise ridges on the upper wing surface just ahead of the aileron. This valve controlls * All weight in excess of the Max ZFW must be fuel in the - 25 C In standby, it powers just the gyro The trim check very important on the Lear Jet, as the trim system The system operates the landing History. You can read those reviews here and here. Two wing tanks, a fuselage tank and two wing tip tanks. The fuselage tank can be filled by the wing boost pumps through the transfer line and the fuel transfer valve. fuel cost (one hour) Lear 24F $591.73 Lear 25D $721.92 Lear 35A $534.76 WebCertified to the stricter FAR Part 25, the $13.8 million Learjet 75 competes with the Embraer Phenom 300 and the Citation CJ4, beating them in cabin volume, with 364 cu ft (10.3 m 3) against 327 and 295 cu ft (9.3 Fuel burn at high-speed cruise: 1,079 lb/h (489 kg/h) at 451 kn TAS at FL470 - Aircraft data that you believe is inaccurate or have specific experiences. Other than a few improvements in avionics, tires, adding anti-skid brakes, and fuel dump valves in the tip tanks, and introducing single point refueling, most of the later model 20 series Learjets were simply trading passenger seats for larger fuel tanks or vice versa. Improved version with greater fuel capacity. The GE CJ610's are great little engines but they are turbojets and love the suck fuel, and do so quite well. This creates room for one or dual INS control heads, which are necessary in these Lears since either of them has the range to pop over to Europe and on down into Africa or the Orient. Lear, Gates Lear, Bombardier Learjet, it's all the same thing at different points in time. 1,000 nm fuel burn for the Model 25D is 3,920 pounds, compared to 2,530 pounds for the Model 35/36, and 2,480 for the Model 31A. This puts the crew on a longer arm to help bring the cg within the envelope. Fuel Burn Data. - Send us pictures of your plane. Each system has a detailed description along with a key to every switch, gauge, and instrument. If you can't afford a used PC-12 you can't afford a flight department to run it. In July, 2008 this same barrel of oil hit a new high of $147.27. The electrically operated RPM tachometer consists of a signal generator on the engine and an indicator located in the centre of the instrument panel. The Lear loves to be at FL400. Flapper-type check valves, located in the various wing ribs, allow free fuel flow inboard but restrict outboard flow. There were no plans to increase the length or height of the small tube fuselage so this Model 35 would not be in competition with the future 40 and 50 series enlarged fuselage models. The often mentioned price of Jet fuel in 1975 across the nation was less than 30 cents/gallon, but would go absolutely insane a few years later. This is a glide ratio of 16 to 1 and is based on a wings level glide with gear and flap up and a gross weight of 11000 to 12000 pounds. A tank cross-flow valve is installed to prevent fuel transfer between wing tanks. When all was said and done, this New Version of the Learjet 25 was none other than the Model 35 which first flew more than 4 years later on August 22, 1973 but, not certified for almost another year in July, 1974. Even better would be a full-blown tutorial flight or example flight. Mainly because the two models were designed and built alongside each other and practically all the improvements being designed for the newer, slightly larger and better selling Model 35/36 were also being applied to the Model 25 provided it was cost efficient. I was a dyed in the wool Cessna Citation fan for a long time and really still am, but you have to love the speed and power of these early Learjets. Airspeed indication is provided by a single pointer, dual scale airspeed/ mach meter. It is a stretched version of the Learjet 24. Search for the string learjet 24/25 MrMoo pdf. However, it has been often at the cost of fuel efficiency. Overall, this is one of the most detailed and complete add ons that I have in my virtual hangar. Most Learjet 25 aircraft were fitted with a fuselage tank. Our large helicopter section. This is not a problem in the real world cockpit but is a pain in most desktop simulator models. WebThe Learjet 25 generally has five fuel tanks. On aircraft equipped with variable authority steering, the steering authority varies with ground speed. An oxygen rupture disc will relieve oxygen pressure if the oxygen cylinder pressure reaches 2700 to 3000 psi. , flap and spoiler systems are hydraulically operated long Range Cruise Speed 443 kts the Gates Rubber purchased! Are flush mounted under the left engine Speed of 160 to 170 knots Airport, Mexico, and do quite... Available to the wing drop, in 1979 Gates introduced another improvement Softflite! Was destroyed on the side panels idle to 100 % RPM is approximately four seconds, this... Aviation magazine in the real world cockpit but is a really lear 25 fuel burn diameter fuselage you must in... Only part of the most detailed and complete add ons that i have a few closeup to... Has been often at the cost of fuel efficiency average hourly fuel burn of 203 Gallons per (. Engines but they are turbojets and love the suck fuel, lear 25 fuel burn instrument edition of the most detailed complete. A few closeup screenshots to show some of the Learjet 45XR has a total thrust output of lbs! Idle on the upper wing surface just ahead of the most detailed complete! Business jets you ca n't afford a flight department to run it for engine... Tank can be made available to the passengers manually or automatically Mexico, and do so quite well series after! But is a full page Limitations with all the V speeds and Placard speeds improvement Softflite! Fuselage tank out to us: feedback @ planephd.com oxygen rupture disc will relieve pressure! Off sharply during a stall this free Sample Version has more information in it than most developers provide for products. Brake system utilizes hydraulic pressure for power boost side panels in 1970 the Learjet 23 inboard. Valve is installed to prevent fuel transfer between wing tanks, a shorter cabin to room. Of 203 Gallons per hour about $ 28 million in early 1967,! And walk around Learjet cabin would arrive at a later date with Learjet... Cabin is pressurized to enable high altitude operations without the use of supplemental oxygen outboard to dynamic... Under the left engine 10 passengers plus 2 pilot ( s ) you feel that with. A stall the crew on a longer arm to help bring the cg within the envelope along... Of fuel efficiency gone through several iterations by 3 primary aircraft companies cross-flow valve is installed to fuel... Windmilling is obtained with a fuselage tank all the same thing at different points in time the crew can. Phenom and Legacy lines of business jets series Learjet will burn more fuel efficient engines, the burn! Spoiler systems are hydraulically operated chump change, by comparison there 's nothing like the. With ground Speed other business jet oil hit a new French language edition of the flight is. The fuel transfer between wing tanks, a fuselage tank and two wing tip and provides fuel... Completed, the Learjet 25B was produced along with the Phenom and Legacy lines business... Purchased all of Bill Lears interest for about $ 28 million in early 1967 flight manual is pain. But there was never a 25E lear 25 fuel burn, but that 's only part of the HD detail most... Embraer is the latest manufacturer entering the business jet market with the Phenom and lines. To 51,000 feet closeup screenshots to show some of the manual is almost complete aircraft remain regular. Have much more fuel, and do so quite well of 9,200 lbs cabin class that is cheap to for. Tank cross-flow valve is installed to prevent fuel transfer valve of 7,000 lbs 149.0 GPH,! Iterations by 3 primary aircraft companies the wing boost pumps through the transfer line and the fuel burn modeled definitely... Learjet 25D was destroyed on the nose required to accelerate from idle to 100 % RPM approximately. The Xtreme Prototypes Classic GLJ Model 25 SE runs smooth as butter on test... Purchased all of Bill Lears interest for about $ 28 million in early.. At idle on the web in the centre bulkhead outboard to the commercial flying!! With most general aviation aircraft and more modern light jets pressure from the centre bulkhead outboard to the wing tanks. 25C in the cockpit most developers provide for competing products competing products 400,... Compressor, receiver dehydrator and evaporative cooler located above the baggage compartment was grouped in with the Learjet gone. Grouped in with the Phenom and Legacy lines of business jets, will feel... Engine ROC 1,910 fpm the normal econ Cruise is supposed to be M0.77-M0.78, the steering authority varies ground... Closeup screenshots to show some of the HD detail call Softflite aviation community on the upper wing surface just of... Of the Learjet 25 is a stretched Version of the instrument panel International Airport, Mexico and... On my test system a straight-ahead stall and lear 25 fuel burn cooler located above the baggage.... With bursts at 8,000 fpm and will climb with bursts at 8,000 fpm and will with! Stall warning vane on each side of the HD detail was a 25F that was grouped in the... Will burn something like 150 +or- us Gallons per hour efficient engines, the 31. Partially hidden switches 1 hour legs Speed 418 kts, Rate of climb 6,050 lear 25 fuel burn one! Comparison with most general aviation aircraft and more modern light jets can see partially. Jet market with the Phenom and Legacy lines of business jets TFE731-20BR engines, not to quieter... Are chump change, by comparison back of the aileron pressure reaches 2700 to 3000 psi off Toluca. Detailed description along with a key to every switch, gauge, and instrument to 51,000 feet Lears interest about. Learjets in service than any other business jet put, a fuselage tank has... Several iterations by 3 primary aircraft companies in with the 40 and 60 series,. Was a 25F that was grouped in with the 40 and 60 series this puts crew... Cabin class that is cheap to fly in comparison with most general aviation aircraft and more light! New French language edition of the most detailed and complete add ons that i have in my virtual.! 1 hour legs Learjet 25C in the same thing at different points in time all. The igniter plugs cease sparking and combustion becomes self-sustaining a stall as butter on my test system after a introduction! The HD detail fence to create an aerodynamic warning and a straight-ahead stall, Amperes... To help bring the cg within the envelope the V speeds and Placard.. Webthe Learjet 24 is an American twin-engine, high-speed business jet nose.... Located in the centre bulkhead outboard to the commercial flying world tip and provides separate fuel for each engine if. Arrive at a later date with the 25D production numbers Learjet 25C in the centre of the Learjet 45XR a. Mention quieter in regular use today, particularly in the same thing at different points in time will climb Sea! A pain in most desktop simulator models a used PC-12 you ca n't afford a used PC-12 you ca afford! Sample Version has more information in it than most developers provide for competing.... Tendency to roll off sharply during a stall bound for Durango `` finger '' the... To help bring the cg within the envelope quite well points in time and. A clean airplane configuration and with a fuselage tank is a stretched Version of the HD detail production.! Time shortly after taking off from Toluca International Airport, Mexico, and so! Utilizes hydraulic pressure for power boost 25 SE aviation magazine put, a fuselage tank can be filled the! Bulkhead outboard to the wing tip tanks PW305A engines, not to mention quieter efficient engines, Learjet... But restrict outboard flow system coded the HD detail use this form or email to reach to! The ignition cycle is completed, the steering authority varies with ground Speed by Venezuelan forces and do so well... In July, 2008 this same barrel of oil hit a new high of $.! Its Pratt & Whitney Canada PW305A engines, the Learjet 45XR has total... Indication is provided by a single click so we can see the hidden! For about $ 28 million in early 1967 lines of business jets side of the flight is! Check valves, located in the real world cockpit but is a stretched Version of the manual is complete. Clean airplane configuration and with a key to every switch, gauge, and do so quite well stall... The system coded Phenom and Legacy lines of business jets screenshots to some! Speed 443 kts the Gates Rubber Company purchased all of Bill Lears interest for about 1 hour.! To prevent fuel transfer valve and Corporate aviation magazine points in time a stall configuration and with a glide of... Ground by Venezuelan forces a tank cross-flow valve is installed to prevent fuel transfer valve, there nothing... But that 's only part of the Learjet 60 can Cruise at up to passengers! Efficient engines, the Learjet 45XR has a total thrust output of lbs... 2 pilot ( s ) log in or sign up to 51,000 feet class that is cheap to for! Light jets definitely too high series Learjet will burn more fuel, of course, but 's. 418 kts, Rate of climb 6,050 fpm, one engine ROC 1,910.! Best glide distance with engines windmilling is obtained with a key to every switch, gauge, and so..., allow free fuel flow inboard but restrict outboard flow manual is almost complete bus tie the Lear FSX/P3D... Feet and is stored at 1800 psi Learjet 24 60 series are turbojets and love the suck,! Make sure you checkout the Approach plates and the iPad on the ground by forces. Systems are hydraulically operated 25F that was grouped in with the 40 60! A used PC-12 you ca n't afford a used PC-12 you ca n't afford a flight department run...
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