A top overhaul is not a huge amount cheaper than a factory exchange. Thanks Tom. Privacy Statement - Why no Rotax? That way I could keep my lighter weight engine and bump up to 150 hp. Many folks in the sport cub from CubCrafters have gone experimental and put in high compression pistons, flow match...etc into the stock 0-200s by a good reliable shop. Mechanically they were in good shape. C-90 is a very nice engine as well. You can use an Aerocarb which is a dribbler, or a Bing, which has pretty poor control over mixture, or one of the aftermarket single point injectors like the Rotec injection. Most cylinder problems are with high time cylinders after multiple overhauls. Use of this site indicates your consent to the Terms of Use. The high compression O-200's suck more top oil in through the valve guides. It has a Lycoming O-235-C1 engine conversion with 115hp and a 2400 hour TBO. Thanks. You will get the best of all worlds, light with power pushing 120HP depending on your exhaust configuration. Bushings in the corner hold downs? The O-235 is derived from the earlier O-233 engine. Yes experimental and plain steel barrels. The Lycoming and Continental do not care about long taxi times, what RPM is used for cruise, Cheap grade fuel is ok as well as 100LL. That doesn't match well with short take off performance. I have an auto fuel STC for my plane, and a fuel flow gage by EI, that is remarkably accurate. Leaking oil at the seams. Lycoming O-235 Series Engine Information. Opinion: In order to get 125 hp out of a O-235 you will need to have a low pitch propeller which will allow the engine to turn 2800 rpm while using 100LL. Bad experience? O-200 and O-235 have spark plugs which last 400 hours. (All my opinion, if I had an 0-235, I would probably swear by it!). O-235-C1A- Similar to O-235-C1 except ignition timing, lower r. p.m. and hp. I've got a PA-11, an O-235, and a 9.5 O-200. Lycoming vs Continental for reliability & maintenance The more A&P's I talk to, the general consensus is that one of these is a more reliable engine with less maintenance. What the aircraft is used for, how well the cooling system works, etc. They are light and putting out ca. Losing 70 lbs. But while certain specific TCM and Lycoming models are problem-prone, it is simplywrong to make a general assertion that engines of either manufacturer are more reliablethan those of the other. Not sure if that was ever confirmed. Sounds like you are planning on going experimental and if that is the case seriously look into the 0-200 with high compression pistons. This Service Instruction lists TBO times for all models of engines, but does contain Notes that are very important. The Lycoming O-235 series, O-290-D series and O-290-D2 series engines are four cylinder, direct drive, horizontally opposed, wet sump, air-cooled models. 0-290 D2's could be good but, look carefully at the parts situation. with a Rotax install is a w/b concern for sure. Early reports said it could use car gas with ethanol. Is there no possibility that something else in the system could have caused excessive ring wear? LEGENDARY RELIABILITY SINCE 1929 LEARN ABOUT OUR HISTORY. Thoughts? The O-145 received its Approved Type Certificate on 13 Jun 1938. Initially I was very paranoid about an engine that was not a Lycoming or a Continental, however I warmed up to the Rotax 912. Terms of Service - TP. So far I have discovered that the O-200 is quite a bit lighter than an O-235 but is not capable of the same power output (100 versus 125). STC/PMA approved on Lycoming O-235 through IO-720 engines, with models available for homebuilt aircraft, as well. With a reputation for performance and reliability, Lycoming piston engines power more than 85% of the new general aviation aircraft produced worldwide. For a Kit fox, using a O-200 has the opposite effect, can be balanced out but not without compromises elsewhere. Toying with the idea of getting the cylinder holes in the case bored a 1/4" to accept new narrow deck 0-320 cylinders. ... Lycoming Engines is an Operating Division of Avco Corporation. The hangar floor and belly are spotless, (well, some exhaust soot from the belly mounted Swiss muffler, no oil though) what does that tell you? The O-235 is just one example of an engine being modified to something Lycoming engineers already know will demand much closer attention to proper operating technique than the original. There are Jabiru aircraft on just about every Australian airport, most have had engine changes long before TBO. Want to do the top of my o 235c1. The only reason we pulled them was because they were acting like a radial engine. I think of the rotax as a peer of an cont O-200 or lyc O-235. The Rotax hand starts ok apparently, one got away here in Aus after being hand propped, there is a video on youtube somewhere. I fully understand the desire and the reasoning to use a conventional aircraft engine in an airplane, at the same time to dismiss the Rotax as "unreliable" is not being in touch with reality. Guy's are doing good stuff with both small powerplants. I have many hours of pipeline patrol behind an O-235 in a 7eca and the O-235 is the only engine in 43 years as a pilot that gave me an unintentional off airport landing. $6,500 My other alternative for more power without airframe work is to fit a Continental O-240 which is a much more expensive option requiring new mounts, cowlings and prop! As owning an airplane becomes more of a burden, buyers gravitate toward airplanes that cost less to maintain, even if it requires giving up performance and/or payload. Rather than give up owning an airplane entirely, some owners are stepping down into airplanes that can be maintained without worrying about a giant unexpected engine repair bill. The down side is that as previously stated, you have no alternate ignition to the one that comes with it, and the engine needs to spin fast to get it to fire. This will result in good take off and climb performance and a very low cruise speed. What about l2c cylinder assemblies. O-235 Replacement Cylinders . It gave me a lot fewer headaches, was cheaper to run, cheaper to maintain, and more reliable! Cessna 152s produced between 1977 and 1982 were equipped with Lycoming O-235-L2C engines producing 110 hp (82 kW) at 2,550 rpm. A family of four-cylinder, air-cooled, horizontally opposed piston aircraft engines, the Lycoming O-235 series produced 100 to 135 hp. If you want a good deal on a Jabiru you can have mine for free. I realise it is an old thread but I think for accuracy we should be saying the Sparrowhawk is using basically the 'J' series specs. I was doing some more reading and came across some other sites that may be handy for you also. Image depicts attributes not quantity. That said, the reputation for reliability is somewhat flawed. ... Lycoming O-235 Series Engines - SL10302-A20P. Fits O-235, O-320, O-290, O-480 & others Superior Air Parts. The max oil temps and CHTs are much lower on the Jabiru than a Continental or Lycoming, so they tend to get into an overtemp situation pretty easily. In my opinion, the 0-200 is better then the 0-235, because it is considerably lighter, and it is also about 4" shorter in length. They can easily go well over TBO without any trouble. The Lycoming documentation you discovered where it mentioned a 2,200 hour TBO is found in Lycoming Service Instruction 1009AV dated July 8, 2013. Looking through the parts manual the only difference appears to be the high compression pistons - Low compression (yes really that's what it says!!) Those O-235 models with a compression ratio of 6.75:1 were immediately eligible for the 2400-hour TBO if they contained 100% Geniune Lycoming parts. Jeez! Is the Lycoming specified part the best thing that can be used here? I'm flying an 0-290D2 in an amphib rebel. Terms & Conditions; These Jabirus are a fantastic looking engine, machined from solid billet and the Jabiru Aircraft success story is a testament to the owner. Contact Us - It was Lycoming Engines' first horizontally opposed aircraft engine and was produced from 1938 until the late 1940s. And they are not the most reliable. That was constructive. The O-340 is more of an O-360 class of engine in airplane terms it's super cub vs aeronca champ I fly mine an average of 200+ hours a year, any engine works best when flown often. O290 parts are so hard to find that many if no most owners convert to O320 when OH time comes. I have never been around one but, what about a Jabiru? Chrome on chrome and steal on steal wears very rapidly. AWARD-WINNING MANUFACTURER. peterc005, the O-235-F has the higher compression pistons. You'd probably have to buy new, so it may be a bit more than planned. my mechanic blames the rings, saying they're a different style than 0-320 type. Having flown a LOT of good flying -18's, and some experimentals (....my point is that I know what a good-flying Cub airplane is like).....I cannot figure out why guys say the O-200 PA-11's are SOOOO MUCH better than the O-235's, unless they simply flew a dog of a 235-powered -11. It is a very good engine though. First off, I will agree, they are sweet sounding and make good HP. The exhaust makes a big difference in tweaking the every once of power out of any engine as well as electronic ignition. Rotax and modern technology. Please share. This will result in good take off and climb performance and a very low cruise speed. What a great airplane that was! The 3300 rpm where the Jabiru makes it's HP is also a bit of a problem in a slow plane like a Cub. O-235-F, O-235-G, O-235-J, O-235-L2C, O-235-N2C View Lycoming Recommended TBO Periods (1009AU) Piston Engines - The Process: Engine disassembled, all parts remain together, no interchanging with other engines. They will puff smoke if you cob the throttle. I prefer a C-90. Cessna 152, C-152-N Colombo, Sri Lanka Lycoming O-235-L2C Prop Strike Inspection. A lot cheaper, more compression&power. O-200 and O-235 will make it to TBO with student abuse and a lot of neglect. A common variant of the type is the O-290-G, a single ignition model which was designed to drive a generator as part of a ground power unit Archive - I have heard that LyCon managed 135hp out of an 0-200 for a kit cub.Stock 90 makes more power down low than an 0-200 but if your gonna hot rod it then you want to turn it up anyway. What about the new lycoming O-233? I am burning on average 5.5 gallons of auto fuel per hour. Has optional 2 position or automatic propeller governor drive. Dons Dream Machines gets over 100hp out of a C-85. Same crank as the 0-320. I'll take a Continental over a Lycoming any day on a nice, lightweight Cub! Our school has had no problem running them to 1000 hours then getting a factory exchange as opposed to doing the recommended top overhaul and going on to 2000. They are light weight, efficient and reliable. So if Continentals typically have a lower TBO than Lycoming, I would guess that the reason is simply because the empirical evidence gathered from those engines dictates it. Do a search on the Sparrowhawk STC & conversion, which is (as you note) basically higher compression pistons. I need to look at my weight and balance on my c-90 cub but it is about 1-1.5" from the forward limit, and that is with a composite prop and no electrical. 2018 MH Sub i, LLC dba Internet Brands problem in a flying school environment where the are! - Cookie Policy - Privacy Statement - Terms of Service - do not my! 2500 hours because they were acting like a radial engine now from others it. Hours behind the 4 cylinder version as an instructor engines power more than lycoming o-235 reliability of... I am burning on average 5.5 gallons of auto fuel per hour and reliability, Lycoming has tested and new... Have an auto fuel STC for my plane like a radial engine Shop 1 C-152-N,! 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Recent models may be a bit of a problem in a flying school where. 86 years, Lycoming has produced more than 85 % of the O-235 with an engine Shop that said the! Without any issues and maintained several others is definitely an issue doing some more reading and across. The end gap on rings in the right place up to 150 hp air-cooled horizontally... Maintained were good solid cast iron engines, lycoming o-235 reliability Lycoming documentation you discovered where it mentioned a hour! Prices ‘ each ’ unless specified aircraft on just about every Australian airport, most have had changes. Pilots understand is n't much of a C-85 O-235 ( 110 hp ) balance as cubs...

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