Next time, Ill polish the outside surface of each tube with a scouring pad and lube the tube with a little light oil to lessen friction. If you hear an inrush of air its a signal that the vent system is blocked. Hot refuel . The 1960 Model 310D had a useful load of 1750 lbs, compared to the 2153 lbs achievable in the 1978 Cessna 310R. Cells are evaluated, repaired, and returned to service in accordance with US AIRFORCE TO-1-1-3 or NAVAIR 01-1A-35. Production ran from 1954 to 1980, with a total of 5449 Model 310 units produced, plus 577 of the Cessna 320. Flipping the bladder to expose the top and bottom surfaces while its spread out in sunlight on the top of the wing is an easy, safe, no-costand greenheating method. The nose was extended a little starting with the 310K, which helps spread the load. As for those moving up through the Cessna line, a 210 pilot will most definitely notice the 310's heavier controls, higher wing loading, and greater approach and landing speeds. Cessna got up to the 310R (with a few gaps) before ending production in 1981. Some Cessna 310 owners have reported problems with the chrome cylinders originally provided by Continental on the O-470 family of engines. What started as a five-place twin became a six-placer with 1963s 310H. As mentioned above, the long gear legs make the airplane sit much higher than some pilots are used to. More refinements followed: increases in cabin size, further increases in gross weight, various increases in auxiliary tank size and the availability of three-bladed props. Beyond the broader clubs, a popular option among Model 310 owners is The Twin Cessna Flyers. More weight in later models about makes up for the extra power: A 260-hp-a-side Q model turns in 186 knots (71 percent at 7,500 feet, on 26.5 gph) and climbs at 1,495 fpm; not bad considering the Q's 600-pound higher maximum gross weight. The optional auxiliary tanks are available in two sizes. Total usable fuel capacity can be 100, 132, 142, 183 or 203 gallonsfrom 600 to 1218 pounds of fuel. Depending on the option fitted, this could expand the aircraft's capacity from 102 gallons up to 207 in total. The airplane handles big and is a stable IFR platform. Starting with pressure-carbureted 240-hp O-470 Continentals, the 310 gained real fuel injection and an additional 20 hp per side with the C model, in 1959. . If I had the $$, I'd convert mine to a Colemill. For information about our privacy practices, please visit our website. The result is that, at low speeds, a Cessna 310 equipped with them has a more gradual, smooth transition into a stall instead of snapping into it. These brought marginal gains in cruise and top speed but became extremely popular due to the advantages incurred during take-offs and climbs. Answer: With a cruise speed of 183 knots at 7500 ft, the Cessna 310 burns around 25 gph. While propeller-driven aircraft were the primary victims of this paradigm shift, they found a second life in the civilian market. The biggest gap is between the 310Q and 310R-the 1974 310Q averages $117000, while the 1975 310Q averages $139000. Early production models up to 1964 are known to have a noisier cabin than other units. With a little experience you learn to stay light on the ailerons and ride both rudder pedals in turbulence to smooth any untoward tendencies. I find that burning about 20 gal. More than half of the reports target the main gear. Long Range. Using a fuel level dipstick will lessen the possibility of ever hearing that silence. Starting on with the Cessna 310I, these were replaced by conventional exhaust plumbing. A new bladder for our sample Cessna 182 was quoted at $850, however their Website catalog listed it at over $1000. A welcome side-effect of their installation is that they are quieter than the original two-blade units installed. If time is critical, providers offer repaired bladders on an exchange basis. tanks will result in about 8 gal. Due to a spate of less-than-stellar logbook maintenance records that referred to the shop work order numbers in lieu of actually describing the work done, I wasnt able to accurately determine the age or type of the installed bladders. The fuel system consists of two main tanks, two optional auxiliary tanks, two optional wing locker tanks, fuel selectors for selection of main, auxiliary or crossfeed and other necessary components to complete the system. The Barons cabin seating and additional door is a plus that I wish the 310 could match, but six passengers can ride in my 310 much more comfortably than in a Baron or a Seneca with club seating. The locker tanks are placed in the wing baggage area at a capacity penalty. Each of the latter can accommodate two sets of golf clubs. I have been taught by 310 drivers with much more experience to set the nose down lightly and avoid high-speed turns that induce side loads on the gear components. Cessna 310 pilots have instruments displaying fuel flow, quantity, and low-level light. Call us today at 1-817-453-8829 for Fuel Bladder Repair! Compare this to the Beech light twins, which began with 180-hp Lycomings in the Travel Air and culminated (imploded, some say) with a pair of turbocharged 380-hp monsters in the 56TC. Fuel feeds to the engines from either the mains or the aux tanks (but not the wing locker tanks). The cabin on the Cessna 310 traditionally seats four passengers plus one pilot, however starting with the Model 310G, a factory option for six passengers was added. Owner CommentsI have owned three turbocharged Cessna 310s. Preheating on cold days, a cool climb speed and slow descent along with 50-hour oil and filter changes will save downtime and money. This makes hard landings a real possibility, and the gear just cant take that much abuse. Hes a former tech rep and editor for Cessna Pilots Association and served as associate editor for AOPA Pilot until 2008. Long Range. In the single-engine category, the 310 also performs reasonably well, however few light twins are truly spectacular with one engine inoperative. Cessna 310 filter applied; see all. Ironically, the aircrafts success in the business niche was rather short: around a decade after its introduction, the shadow of the jet age came after the Cessna 310 in its own home, in the shape of the iconic Learjet and Cessnas own Citation series. Center frequently leaves me high and then assumes that I can make a turbo-prop/jet type descent. LH MAIN EXTENDED RANGE . Each engine is equipped with a mechanically driven fuel pump which provides fuel to the metering unit. Theres a STOL kit available from Sierra Industries, but the cost is so high that its value is questionable. The avionics suite fitted on most Cessna 310s has been found to be on the lacking side by modern standards. Power is provided by the Continental O-470 family of engines for most models, though not exclusively. Click here to view the Cessna 310 features guide, Click here to view charts for Resale Values, Payload Compared and Prices Compared, Composite Structures: Limits and Advantages. Drop the wheels and 15 degrees of flap, and the pitch changes will cancel each other out. Removing and replacing a bladder is not a difficult process. Later model 310s have heavier main gear torque tubes and side brace support brackets. Shortly after I purchased my 310, I put on vortex generators, which are a must with this airplane. For some reason, Cessna decided to designate the tip tanks as the mains, and the wing tanks as the auxiliaries. With the right operator profile, its ability to fly long distances while making good times in the process offset the relatively high ownership costs and given that acquisition is a lot more friendly than just about any twin-engine competitor with similar performance, the Cessna 310 has a share of the market resembling its hegemony in the business niche back in 1954. Also worth noting are exhaust-related corrosion problems, particularly on early airplanes with over-the-wing augmentor exhaust systems. Out of 225 SDRs (for about 150 different airplanes), we counted more than 40 regarding the gear alone. A choice of IO-520 or Voyager IO-550s is offered. The aircraft is rather nose heavy on the take-off roll if the trim is left on neutral and risks pitching up into a stall if set too far aft. The wingtip fuel tanks on the original Cessna 310 carried a total of 100 gallons of fuel. Construction - Extra grade fabric used most times best suited for Jet A. Finally, the auxiliary tanks were enlarged once more, in 1973, to 63 gallons total. (Any penetrant type lubricant will do.). Featured Refinements: Cessna 310 - Remove Filter; Featured Refinements. Breaking with its practice of tacking on a different letter each year, Cessna stuck with the 310Q and T-310Q for five years. All the T310s come with Garrett turbochargers and automatic wastegates and are conservatively boosted. The early Cessna 100 series and 200 series service manuals do contain parts and procedure information for field repairing leaking fuel tanks. Maladies include broken or cracked mounts, support structures, actuator rods, door hinges and actuators, shock struts, and bellcranks. If the pulled up section is near the wing root the float part of the fuel level sensor will also be pulled up, and the fuel gauge readings will be wrong. Also using spoilers to produce a drop in airspeed to permit landing gear operation is a nice option to have when too high or hot for normal gradual speed reductions or while descending. If an owner came to me asking me to help him repair a bladder tank or approve a field repair of a bladder tank Id say no because I dont believe the parts are available nor is the data sufficient to ensure a safe field repair. The time between overhaul for the Continental OI-520 engines fitted on the Cessna 310R is of 1400 hours. Send questions and comments to . You could order one or both of the locker tanks. This combination permits me to leave the power at 55% (my typical cruise setting) and still descend at 700 to 1000 fpm without exceeding 155 knots. If replacing the gaskets on the filler plate and quantity transmitter dont solve the problem, its bladder time. Early 310s could manage 415 feet per minute on one engine at maximum gross weight (4,700 pounds in the 310B). Empty weight is of 2850 lbs, while gross weight sits at 4600 lbs. Cessna 310 / Model Prices During its early years, the Model 310 was sold for $59400. These tanks are bladder-type cells located between the spars in the outboard wing. These pumps are wired to the landing light circuit breaker, so if the landing light shorts the mains can unport. This has caused accidents. Removing and replacing a bladder is not a difficult process. The only real glitch involved sliding the vent tube onto its nipple. The caveat is that this figure came about after extensive work to restore the aircraft after some years of abandon prior to Cawleys ownership. According to owners and mechanics, the 470s live a long and happy life under 310 cowls, and the number of service difficulty reports slated for the 470-powered airplanes is proportionally lower than for the IO-520 and TSIO-520 versions. Ells is the owner of Ells Aviation and lives in Paso Robles, Calif. with his wife Audrey. The fuel vent valve must be reinstalled with the hinge line up. All Listings filter applied; Delivery Options. Also available are engine and prop upgrades from Colemill Enterprises for the 310F through Q, which carry with them gross weight increases. Initially, the two major civilian twin-engine general aviation offers on the market were the Beechcraft Twin Bonanza and the Piper Apache. document.getElementsByClassName("phone")[0].getElementsByTagName("a")[0].href = "tel:800-433-0814"; Through its 28-year production span, the 310 evolved from a five-seater with pressure-carbureted engines to a high- flying turbocharged six-placer with known-icing certification. The aux tanks feed directly to the engines, so the only pump that serves these tanks is the engine-driven one. Cessna has a kit available to retrofit earlier airplanes. At the other end of the airplane, the 310 nose grew, Pinocchio-like, through the decades, making a big leap with the 1975 R model. The cockpit features an elevator trim indication with a mark noting the take-off setting, and for a good reason. Other loading and operating considerations were introduced in the later models. Alternator Failure (Dual) Flight Instruments. Put your ear down by the filler cap and open it. The pilot can read the tanks not being used by toggling a switch. The Cessna 310 is known for its speed, but owners use this ability sparingly due to the high fuel consumption required. The tip tanks are made from aluminum and contain two pumps, auxiliary and transfer. When I began to get a good whiff of fuel after filling the right main of 7 Lima Juliet, my 1966 Cessna 182J, I knew it was bladder time. The aircrafts service ceiling remained the same: 20000 ft for standard models and 25000 ft for units fitted with turbocharged versions of the O-470 or O-520 engines. The wing locker fuel tanks now have tear-resistant bladders and a new metal containment canister. The registration records showed that 7LJ had been based in Albuquerque, N.M. for at least 20 years. At the other extreme of the line, the last models of the 310 can be counted on to perform transportation duties with the capability of newer models, and the prices reflect this ability. Since I was installing a new bladder I cut one side of each nipple on the old bladder and shot a little bit of LPS-1 into the cut; that helped release the tubing. The nacelle lockers introduced on the 310I makes loading options even better. In fact, the current owner of the third and final 310 used in the show (a 1967 D model), Songbird III, wrote to tell us that its being fully restored. Older tuna-tank models had a lot of problems with their fuel bladders, but this was dealt with through an AD. Learn more about Mailchimp's privacy practices here. The gear has a number of critical components that must be attended to and properly rigged during annual inspections. When vents are blocked its not unusual for the floor of the bladder to be pulled up. Still, the target audience had not changed, and thus it never quite managed to rival the Cessna 310 at home turf. The reputation for Dutch roll and yaw problems is, in my opinion, undeserved. The auxiliary tanks, in turn, could cause engine sputtering and occasional shutdowns if one is not careful: during turbulence, the Cessna 310s tendency to yaw leads the fuel away from the intake. Membership gets you a newsletter and the right to attend well-worthwhile seminars on operations. horsepower increased and so did demands for fuel. Many were retrofitted with the later, and better, Clevelands. Sort By: . It requires inspections for cracks, including magnetic particle inspection every 1,000 hours or the replacement of the bearings with an improved part. At maximum gross weight, earlier variants could still climb at 415 fpm. The aircraft tends to drop a wing quickly; an undesirable trait made even more so due to the tendency in most twins to roll hard into the dead engine in case of failure at low speeds. (We do not part out singles.). The latest is a 1976 T-310, purchased new. Takeoff over that same obstacle will take 1700 feet in the 310, while the Baron will want 2100 feet. Engine Driven Fuel Pump Failure. I've flown mine 4.5 hours but I have IO-470's. You'll hit bladder limits before airplane range limits. Replaces Cessna 1200065-5 Home Cessna Models 182 Models Fuel Cells / Bladders S/N 18253599 & Up Fuel Cell. Not so on the 310. All rights reserved. Twins are popular with some pilots because of the perceived safety advantage of having an extra engine. Because the gear makes the airplane sit up high, new pilots are cautioned to be careful of hard landings. System Emergency Procedures. The fact that theres a lot of fuel hanging out on the wingtips tends to exacerbate the side loads on the gear, as well. We noted several cases of full or partial gear collapse thanks to parts failures. HOME | ABOUT | REPAIR | WARRANTY | DOCUMENTS | REQUEST FOR QUOTE. However, Ive never seen this done nor was I able to find any information about the repair kits and adhesives referred to in the manuals. The auxiliary tanks, in turn, are fuel bladders placed between the wing spars and the outboard part. Learn more about Mailchimp's privacy practices here. This 310, with bladderless all-metal canted tanks, swept fin and short nose, is often said to be one of the most attractive light twins ever built. It can be a way to cut back on labor costs if an owner/pilot is comfortable in their technical abilities and savvy about working on one of the most important systems on their Cessna.
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