What if your significant other, your child, or your best friend found they’d been gifted with an opportunity to fly? The Lycoming overhaul manual and all appli-cable service bulletins and service instructions, used in con-junction with the appropriate operator’s manuals, constitute the Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window). 549 Supplement No. of Lycoming engines. Your engine number suffix may show -51A, which is … 1136A-1 S.I. TITLE Supplement No. A: It’s great to learn that I was able to help you once, so let’s see if I can do it again. 1504 Cylinder Assembly Inspection/Replacement on O-235 Engines S.L. Words matter. The pilot's failure to see and avoid a parked glider while taxiing from the runway. I suspect that the blow-by is caused by glazed cylinder walls. Service Bulletins (published since April 1960) describe mandatory procedures that must be observed for safety reasons, and readily identified by the mandatory heading printed in red. He was the first to fly the first B-29 accepted by the U.S. Army Air Corps after it was delivered to the U.S. Air Corps 40th Bomb Group in Pratt, Kansas. Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime. Photos of the Day — Timing Bendix Magnetos to a Lycoming O-320 The IO-360-C1C, Serial Number L-12928-51A, was originally built using the magneto timing of 25° BTC (Before Top Center). The principals for improving gas mileage in an aircraft are optimizing engine operation, minimizing weight, reducing aerodynamic drag, and improving operation parameters. Textron Lycoming engines. 388B, Helicopter Engines – 300 hour intervals or earlier if valve sticking suspected. Lycoming Engines is an Operating Division of Avco Corporation. 488A-1* S.B. The environmental sensing modules on the IWOS offer a range of weather sensing capabilities, including temperature, pressure, humidity, wind speed and direction, GPS, lightning distance and frequency, and cloud height. Because the civil and military operations at Dillingham co-exist so well, the Army would very much like to continue to allow civilian access to the field. Changing the oil at least three times a year or every 50 hours (if you have an oil filter) is one of the two most important things you can do to protect your engine. Photos of the Day — Timing Bendix Magnetos to a Lycoming O-320 The IO-360-C1C, Serial Number L-12928-51A, was originally built using the magneto timing of 25° BTC (Before Top Center). 1 to Service Bulletin No. 524-1* S.B. 1 to Service Bulletin No. 388B and Supplement No. At overhaul or at owner's discretion. Here’s what things looked like on Dec. 1, 2020, about 2 p.m. What’s not to like?". I don’t blame you if you don’t — most would agree with you … but all the naysayers are wrong. Failure to comply with the provisions of this publication could result in engine failure due to excessive carbon build up between the valve guide and valve stem resulting in sticking valves or; broken exhaust valves which result from excessive wear (bell-mouthing) of the exhaust valve guide. O-360 & IO-360 SERIES ENGINES OVERHAUL MANUAL 621 South Royal Lane, Suite 100 / Coppell, TX 75019 / 800-277-5168 www.superiorairparts.com Manual P/N SVOHM01 Revision A, March 2005 Multigrade vs. single grade oil: Which is better for your engine? 1299B Cushion and Magneto Drive Gear Modification S.L. 388B and Supplement No. If you can’t find proper SB 380 or 380A in the engine logbook, look in the airframe logbook. Ask Paul: Can I permanently remove the vacuum pump? 1 to Service Bulletin No. That said, our mechanic suggested we leave the timing “as is” since the engine performance and mag drop were all in the desired range. Oil pans and drain plugs are often "perfectly" located so that it is almost impossible to get to them without burning your hands, as well as spilling oil everywhere. Ask Paul: Should I buy a plane that hasn’t been flown in two years? policies, products, modifications, and maintenance informatio n applicable to the support of Textr on Lycoming aircraft . Smart Rudder Bias provides additional assistance against hazardous effects when one engine goes out on a twin. Supersedes Service Bulletin No. ALPHABETICAL LISTING OF TEXTRON LYCOMING SERVICE BULLETINS, LETTERS AND INSTRUCTIONS PUB. General Aviation News reserves the right to delete snarky, offensive or off-topic comments. When going over the aircraft during annual, the timing was checked and found to be at 20° BTC. MODELS AFFECTED. Certain advantages in engine operation have been found by changing engine timing from 25° BTC to 20 BTC and reducing the lag angle to 15° on impulse coupling magnetos and 15 retard angle on retard breaker magnetos whi-chever is applicable. Service Instructions describe modification, processes and other information pertinent to maintenance repair and overhaul of Textron Lycoming engines. 1485.). Service Bulletin No. And when you answer that question, consider how sure are you the answer you give is based on a truth rather than an opinion. 1316A-1 S.I. Search the history of over 446 billion web pages on the Internet. NO. Now that’s something to get excited about, Of Wings & Things by Frederick A. Johnsen, Bomber escort failed, but chin turret scored, GA envisioned a plane for everyone after World War II, Aviation was key to the end of World War II 75 years ago, Misinformation, miscommunication, and just plain wrong. "Flight schools now have an option for a factory new, robust trainer that is priced under $300,000.". That means better health for the industry and more smiles for pilots. However, Lycoming introduced Service Bulletin 380A on Nov. 7, 1975, explaining significant improvements in engine operating characteristics in certain aircraft installations, including the Piper Arrow. Corrosion is probably the biggest contributing factor when it comes to fatigue failures on valve springs. 1 to Service Bulletin No. Gary Frick submitted this photo and note: “04-22 at Marion Municipal Airport (KMZZ) in Indiana — the possibilities are only limited by your imagination. Has Van's version been modified from its car design to work with lycoming? 522* Inspection and Replacement of Push Rod P/N 73806 (A.D. #95-03-10) S.B. L159D Cylinder Barrel … If a Repair Station had done te work they should have records. 632 S.B. 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