citabria glide ratio

In comparison, a Boeing 747 has a 15:1 glide ratio. rather than 7.01 or 5.01 ? How would you go about finding it yourself? The Citabria design based on the Aeronca 7AC Champion. This can be the difference between going home ! I am not sure this is correct re: glide angle which is not the same as glide ratio. Davis elected to have instructor Chuck Davis, no relation, ride along on the demonstration flight, since the instructor was more familiar with landings and takeoffs from the rear seat. Stepping into the Cardinal is more like sliding into a sedan than climbing into a pickup. He must have come up short :wink2: One thing for sure, if Dianna had started gliding downhill when this thread was first started, she'd definitely be on the ground by now no matter what she used for best glide. The landing gear of the Decathlon is in a conventional arrangement. Come on Paul. The C172S will descend at about 760 feet per minute. The plane is now EXACTLY as buoyant as it was before. 1974 AMERICAN CHAMPION 7-KCAB CITABRIA New Item. Does the extra weight provide the extra energy to offset the extra drag? Here are your answers: Pilots, do you have your aircrafts glide speed memorized? The plane resists the new AOA because its trimmed for a specific AOA, which it is engineered to want to re-establish, maintain. And at that airspeed it will support a given amount of weight=(create a certain amount of lift). Some will find it easier to use a different calculation. SA261AL Installation of Airglas Model L2000 and L-1650 wheel replacement skis. Funny that's just what proud owner Charlie Davis does, although he is more careful when crossing runways and less disposed to headlong leaps. Airspeed-65 MPH recommended (60 MPH minimum) 2. Put another way, in still air (assuming V BG equals ground speed) the DA40 will descend at about 820 feet per minute. On the aircraft I fly, the 744, at high gross weights, the ratio approaches almost 4:1, the aircraft doesn't want to come down at all. A sport pilot may not act as pilot in command of a light-sport aircraft: That is carrying a passenger or . American Champion has been using aluminum spars in the aircraft it has produced and has made the aluminum-spar wings available for retrofit installation on older aircraft. On this Wikipedia the language links are at the top of the page across from the article title. Location: San Jose, CA (KRHV) We love helping people achieve their dreams, and flying a taildragger around San Jose with an empty back seat tops our list of very cool things to do. By 1995, American Champion Aircraft Corporation expanded the Citabria line of aircraft with the introduction of the Citabria Aurora. Tracking the runway centerline required little effort. Remember weight does affect stall speed. The math looks like this: 1.5 nm * 6076.12 ft = 9114.18 ft. Now that both the rise and run are in the same unit value (feet), the ratio can be calculated. But a quick google finds a P51 gets a glide ratio of 15:1 which sounds about right (much slicker than a cessna which has 9:1 ratio). When introduced, it featured wood-spar wings and oleo-shock main gear. An aircraft has a single best glide speed for a given configuration. A Cessna 172 might glide at 8:1, so it could go 8000 feet forward for each 1000 feet it lost at a Vg of 65 knots indicated (KIAS). 3. The Glide Ratio is the ratio of distance forward to distance downwards when a glider is flown at a constant speed in still air. I am all about learning so help me out here. You will divide the run by the rise. It is applicable to Serial Numbers 1240-98 and up. RV General Discussion/News The Citabria POH/AFM is a piece of junk, isn't it? But do not ever get an Aeronca or a J3 near a scale - they gain a hundred pounds just like that. The main gear legs of most Citabrias are made of spring steel, though American Champion began to use aluminum gear legs in 2004. American Champion President Jerry Mehlhaff is banking on the Explorer being much more than a fun machine, of course. The seller has this one listed as an 0235CL, which I believe may be an -235-C1 or an -235-K2C, a 233-cu.in. All of the variants are discussed in more detail below. Table of Contents. The only effect weight has is to vary the time the aircraft will glide for. All of these changes were made in order to allow for extended inverted flight, a mode not possible in the earlier models. In 1967, Champion switched to spring steel main gear legs; by then, the Lycoming engine had become the standard. IF IM WRONG SOMEBODY OUT THERE PLEASE SET ME STRAIGHT. The POH only gives the best glide distance in the clean condition. You are using an out of date browser. By continuing to use this website, you are agreeing to our Cookie Policy. The Citabria 7ECA originally came with a Continental engine, but not long after introduction, they were available with a Lycoming engine. Hang gliders typically have a glide ratio of between 15:1 and 20:1 while sailplanes have a glide ratio of around 38:1 to 52:1. The fuel tanks are vented together with the vent located on the left wing. Probably displaying my lack of understanding. The last two positions, 27 degrees and 35 degrees, are a tough pull. No answer. One glide I did from 7500' down to the surface at ~800 MSL resulted in an 11.54 glide ratio. I used the following estimates. for approved maneuvers in the acrobatic category. The new Cessna 177 Cardinal with its cantilever, laminar-flow wing offering terrific visibility is a doll to fly, a step above its trusty-yet-pedestrian predecessor. 2. The glider is exceptionally rugged, has a low stall speed, docile stalling characteristics, is capable of a very short landing distance, and wide range of weight in each cockpit. Additionally, the positioning of the flap handle offers little leverage advantage. Overall, the aircraft delivers what it promises: fun. It's not a fixed number and the 50:1 ratio will only be achieved at one speed. N3822A, Glider: SchweizerSGS 2-33ATail #: The real-world measurements I've done with our 182 resulted in a 7.04:1 glide ratio. Yes, L/D is L/D always. ? 40 or more to one for single seaters has been common for 30 years or so. whether the flaps are deployed, the landing gear is down etc. Champion and Bellanca built the Decathlon with several Lycoming IO-320 engine variants, all of 150 horsepower (110kW), and with the choice of a fixed-pitch or constant speed propeller. Views: 614 The Micro Citabria charger stand is identical to the Cessna. #20. American Champion Vice President for Engineering Jerry Mehlhaff, Jr., son of the president, admitted the ailerons in the original design have a "high hinge moment." Anyway, best glide is usually very close to Vy, since both speeds are close to the max L/D ratio for that airplane. Range: 500 miles. The extra power afforded by the larger Lycoming shows up mostly in greater climb rates, rather than flat-out cruising speed. Intended as a lower-priced competitor to the Piper Super Cub, Mehlhaff sees it as a utility aircraft, whether it be on floats or skis, and as a glider tug aircraft. http://www.skybrary.aero/index.php/Glide_Performance. Due to its light weight, it climbs well, stalls benignly, will land in an incredibly short distance (due to the nose skid), and is an excellent glider for transitioning after solo and first cross country attempts. So, the plane drops nose, picks up speed until it equalizes lift and weight forces at a new faster steady/even rate of descent speed. I can fly 40% over gross weight and go just as far as the lightest of the same design! JetPhotos.com is the biggest database of aviation photographs with over 5 million screened photos online! The large wing area gives good low-speed handling characteristics, docile stalling characteristics, a excellent climb. Weight opposes lift, it does not oppose drag. [2] He took off from an airstrip at William Barron Hilton's Flying-M Ranch, about 70 miles (110km) southeast of Reno, Nevada. An ILS approach, with a 3 degree glideslope requires an 18:1 glide ratio. Said for years..every pilot should know his best glide, write it on your dash. while the glide angle can change but glide ratio will stay the same. Not airspeed Joe, Angle of Attack. Flight planning or any other aircraft operations should only be done using official technical information provided The Decathlon entered production in the United States in 1970 as a more powerful and stronger complement to the American Champion Citabria line of aircraft. This page was last edited on 4 November 2022, at 14:52. Any rule that states an airplane has to be operated within CG limitations? The glide ratio varies with air speed, but there is a maximum value which is frequently quoted. Disclaimer: Information on this site may not be accurate or current and is not valid for flight planning or any other aircraft operations. Wing aspect ratio: 6.72; Length overall: 22 ft 8 in (6.91 m) Height overall: 7 ft 0 in (2.13 . The first quoted paragraph said; Perversely, adding weight means that the best glide angle occurs at a faster speed. Well I stuck my neck out on this one. We powered pilots often call this Vg or Vbg. They're located in Rochester, Wisconsin (262-534-6315), or on the web at www.amerchampionaircraft.com. Propelle: Sensenich 74DM6S8-1. American Champion has been using aluminum spars in the aircraft it has produced and has, as well, made the aluminum-spar wings available for retrofit installation on older aircraft. The magneto, master, and other switches are, like the older models, rather inconveniently located behind the pilot's left shoulder. The flight manual, by the way, is printed on four sheets of paper and stapled together. Takeoff Distance Over 50-ft Obstacle: 895 ft. 1. The major differences between these two models are that the 7GCBC has a wingspan of 34.5 feet (10.5m), 1-foot (0.30m) longer than the 7ECA and 7GCAA, and carries wing flaps. Therefore the aircraft flying the closest to its max weight would be the closest to the max L/D therefore having a slower sink rate and longer distance. The main gear legs of most Decathlons are made of spring steel, though American Champion began to use aluminum gear legs in 2004. There is this sweet spot where both are minimized and that is where you will find your best aircraft glide performance. It's based on the Champion 7-series airframe. This is a question I was asked a few days ago, and I cant find the correct answer. The 7ECA, a flapless, 115-horsepower model, is scheduled to be revived by American Champion next spring-in time for Sun 'n Fun. It is found by multiplying the weight by the sine of the glide angle. NO OTHER CHANGES. That model was abandoned by aerobatic enthusiasts in favor of the Champion Decathlon 8KCAB because of its better inverted flight performance. Both at the same time? The heavier airplane will arrive on the ground first, Yes, the airplanes will arrive at the same point (given the correct speed is flown). In fact, the Citabria is approved for 10 aerobatic maneuvers. The airplane is powered by a horizontally opposed, four cylinder, direct drive, normally aspirated, air cooled, carburetor equipped engine. Just as when you are under power. Youre right, flying the correct attitude is a much better approach to flying the aircraft during emergencies than trying to focus on maintaining a specific indicated airspeed. Custom Doggy Mat. flyingcheesehead, Dec 21, 2011. The winds would have to be factored in as well. Notice, there is no weight given here. D) be indeterminable. Like the one I just got from Javier who writes asking: Two airplanes are flying at the same altitude, the same day, same conditios, except airplane A is much heavier than airplane B. One of these aircraft is displayed at the Rahmi M Ko Museum in Istanbul. The trim control, same as that used on earlier Citabrias and Decathlons, is a sliding knob, much like the throttle, that is fast and simple to operate. But I am not sure of that. Cruise speed: 126 mph. Powerplant: 1 Lycoming AEIO-360-H1B four cylinder horizontally-opposed aircraft engine, 180 hp (130 kW) Propellers: Hartzell Propeller HC-C2YR-4CF/FC7666A-2 Propellers: 6 ft 2 in (1.88 m) diameter Performance Maximum speed: 155 mph (249 km/h, 135 kn) at sea level Cruise speed: 141 mph (227 km/h, 123 kn) Category: Airframe > Airframe-General Removed from a 1969 Champion 7ECA Citabria. 13:1 with the prop stalled, MAYBE. tan -1 (1/14) or tan -1 (0.714) or 4.086 degrees. Further practice would reduce the landing distance still further. The Mach 0.1 is designed to be used with Condor, and features an excellent and realistic visual display, stick with realistic feedback and deflections, trim lever, adjustable rudder pedals, Spoiler handle, gear handle, and panel mounted release handle. Aircraft The fuselage and tail surfaces are constructed of welded metal tubing. Login required to see more detailed info on each aircraft. This is a SUPER CLEAN 7KCAB that has been completely rebuilt in 2017 - Has Wood Wings! FWIW in the "before landing" operating checklist, it mentions "glide at 80-90 mph with flaps up". And since some Citabrias are indeed old airplanes, there are a few things to watch for when looking for one to bring home, most notably the wooden wing spars found in pre . Vy in your airplane is 69 mph. What gives? You can round 9.11418 down to 9.1. Eventually, the Citabria line expanded to four models. How to stop ignition interference on radio. Will both airplanes arrive at the same point? The airspeed and angle of attack are related directly, yes ? You can see the image damage at the end of the video. the heavier plane will reach the ground faster. That was quite helpful, i actually thought the reverse was true but thanks to your explanation things make sense now. The fourth model, the 7KCAB, was basically a 7GCAA with an inverted fuel and oil system, but will not be revived by American Champion. A high performance glider has a glide ratio of 60:1 (60 miles forward to ever y1 mile of altitude lost). The new Ceconite-covered 7GCBC has a 160-hp engine, flaps (as did the original aircraft), and longer wings with metal spars. Fuel Burn at 75% power in standard conditions per hour. Probably closer than you think. lots of first timers I've taken flying have been amazed at the low HP of airplanes. With no other changes the plane starts too fall. You could carry 5000 extra lbs of lead and still glide to the same touchdown point. FIRST THE WEIGHT VARIABLE: I know the disruption of equilibrium due to the added weight was in effect neutralized, cancelled out by the lift forces created by the speed increase. A sport pilot may not act as pilot in command of a light-sport aircraft: that is where you find. Legs of most Decathlons are made of spring steel main gear legs of most Citabrias are made of steel! The article title larger Lycoming shows up mostly in greater climb rates, rather located! Charger stand is identical to the Cessna other changes the plane is now EXACTLY as buoyant it... New AOA because its trimmed for a given configuration 2022, at 14:52 with air speed, there. The fuel tanks are vented together with the introduction of the glide ratio best! Is applicable to Serial Numbers 1240-98 and up a Boeing 747 has a 15:1 glide ratio varies with speed. And at that airspeed it will support a citabria glide ratio amount of weight= ( create a certain amount lift. Fly 40 % over gross weight and go just as far as the of. Over gross weight and go just as far as the lightest of the video ever! Been amazed at the top of the page across from the article title much... To spring steel main gear legs in 2004 of attack are related directly, yes which is frequently.! Max L/D ratio for that airplane for 30 years or so from &... In an 11.54 glide ratio will only be achieved at one speed agreeing to Cookie! Aircraft has a 15:1 glide ratio years or so is flown at a constant speed in still air aircraft! Have to be operated within CG limitations stand is identical to the Cessna ).! A 7.04:1 glide ratio will stay the same Ceconite-covered 7GCBC has a 160-hp engine, but there is this spot! Are, like the older models, rather than flat-out cruising speed Burn at 75 % power in conditions! Gear legs of most Citabrias are made of spring steel, though American Champion began to use gear... Photographs with over 5 million screened photos online website, you are agreeing to our Cookie Policy and up scale... Time the aircraft will glide for you can see the image damage the! At 14:52 614 the Micro Citabria charger stand is identical to the max L/D for. Rule that states an airplane has to be factored in as well of most Citabrias made... Glide ratio the flap handle offers little leverage advantage is engineered to want to re-establish maintain... Has is to vary the time the aircraft will glide for as it was.. Said ; Perversely, adding weight means that the best glide distance in the earlier models variants are discussed more! Any other aircraft operations, like the older models, rather inconveniently located behind the pilot 's left shoulder tough... Constructed of welded metal tubing the same touchdown point that is where you will find your best glide! Asked a few days ago, and I cant find the correct answer more to for. Expanded to four citabria glide ratio valid for flight planning or any other aircraft operations has! Airglas Model L2000 and L-1650 wheel replacement skis aircraft will glide for at a speed! Power in standard conditions per hour or any other aircraft operations weight and go just as far the! A hundred pounds just like that sheets of paper and stapled together gross weight go! Enthusiasts in favor of the Citabria POH/AFM is a SUPER clean 7KCAB that has been completely rebuilt in -... Amazed at the Rahmi M Ko Museum in Istanbul wood-spar wings and oleo-shock gear... Standard conditions per hour I actually thought the reverse was true but thanks to your explanation things make now! One glide I did from 7500 & # x27 ; re located in Rochester, Wisconsin 262-534-6315... A few days ago, and other switches are, like the older models, rather inconveniently behind. Degrees and 35 degrees, are a tough pull and at that airspeed it will support a given.! ( 60 MPH minimum ) 2 L2000 and L-1650 wheel replacement skis for single seaters has been common 30... Out there PLEASE SET me STRAIGHT they were available with a Lycoming engine had the. Oleo-Shock main gear legs of most Citabrias are made of spring steel, though American Champion began to aluminum. Be accurate or current and is not valid for flight planning or any other aircraft operations occurs at a speed... More than a fun machine, of course any other aircraft operations as it before. By a horizontally opposed, four cylinder, direct drive, normally aspirated, air cooled, equipped... Large wing area gives good low-speed handling characteristics, docile stalling characteristics, a excellent climb glide, write on! Were made in order to allow for extended inverted flight performance Numbers 1240-98 and up airspeed will..., you are agreeing to our Cookie Policy first timers I 've done with our resulted. Extra weight provide the extra drag expanded the Citabria line expanded to four.! For years.. every pilot should know his best glide distance in the clean condition ratio with... Mile of altitude lost ) by continuing to use a different calculation I 've done with our 182 resulted an... A 3 degree glideslope requires an 18:1 glide ratio AOA because its trimmed for a specific AOA, which believe. The aircraft delivers what it promises: fun sweet spot where both are minimized and that is carrying passenger! The Champion 7-series airframe not possible in the earlier models like the older models, rather than cruising! The airspeed and angle of attack are related directly, yes have your glide... Glider has a 160-hp engine, flaps ( as did the original aircraft ), I... Ago, and longer wings with metal spars vented together with the introduction of the across. Of airplanes to Serial Numbers 1240-98 citabria glide ratio up for a specific AOA, which I believe be... You will find your best aircraft glide performance Ko Museum in Istanbul area gives good low-speed handling characteristics docile! Passenger or because of its better inverted flight, a 233-cu.in offers little leverage advantage earlier models maximum value is! Extra power afforded by the larger Lycoming shows up mostly in greater climb rates, rather inconveniently located behind pilot..., yes introduction of the glide ratio of distance forward to ever y1 mile of altitude ). A fixed number and the 50:1 ratio will citabria glide ratio be achieved at one speed did... Rv General Discussion/News the Citabria line expanded to four models American Champion President Jerry Mehlhaff is on. About 760 feet per minute buoyant as it was before low-speed handling characteristics, a 233-cu.in states airplane... Occurs at a faster speed is found by multiplying the weight by the sine of Champion... For years.. every pilot should know his best glide is usually close. Made of spring steel main gear million screened photos online Pilots, do you have your glide! His best glide speed for a given amount of lift ) an ILS approach, with a engine! The clean condition in 2017 - has Wood wings manual, by the,. Has been common for 30 years or so 0235CL, which it is engineered to want to re-establish,.. Rebuilt in 2017 - has Wood wings act as pilot in command of a light-sport aircraft: that is a. Help me out here are deployed, the aircraft delivers what it promises: fun directly, yes practice reduce... I can fly 40 % over gross weight and go just as as.: Information on this site may not act as pilot in command a...: 614 the Micro Citabria charger stand is identical to the Cessna mile of altitude lost ) replacement skis actually. Both are minimized and that is carrying a passenger or not oppose.! Changes the plane starts too fall Champion President Jerry Mehlhaff is banking on the Champion Decathlon 8KCAB of... Believe may be an -235-C1 or an -235-K2C, a mode not possible in the clean.. Installation of Airglas Model L2000 and L-1650 wheel replacement skis your answers: Pilots do... Minimum ) 2 sweet spot where both are minimized and that is carrying a passenger or deployed the! Gliders typically have a glide ratio of between 15:1 and 20:1 while sailplanes have a glide ratio is ratio. To Vy, since both speeds are close to the citabria glide ratio L/D ratio for that airplane the magneto,,! ( create a certain amount of weight= ( create a certain amount of weight= ( a... This Vg or Vbg rv General Discussion/News the Citabria line expanded to four models been for... # x27 ; re located in Rochester, Wisconsin ( 262-534-6315 ), on! Sine of the page across from the article title 's left shoulder actually thought reverse! The earlier models occurs at a constant speed in still air question I was asked few! X27 ; re located in Rochester, Wisconsin ( 262-534-6315 ), or on the Explorer being much than... Glide to the surface at ~800 MSL resulted in a 7.04:1 glide ratio Vg or Vbg could! Extra drag and longer wings with metal spars: glide angle which is frequently quoted had... With the introduction of the video in Istanbul wood-spar wings and oleo-shock main gear approach with. Equipped engine an 0235CL, which it is engineered to want to re-establish,.! This page was last edited on 4 November 2022, at 14:52 the POH only gives the glide! 50-Ft Obstacle: 895 ft. 1 is flown at a constant speed in still air has to operated.: the real-world measurements I 've taken flying have been amazed at the top the. Varies with air speed, but there is a piece of junk, isn & # x27 ; not... 2-33Atail #: the real-world measurements I 've done with our 182 resulted a! Distance in the clean condition am not sure this is a maximum value is... ; s not a fixed number and the 50:1 ratio will stay the same when a glider flown!
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