I understand that using a 0-200 crank, stock cylinders and pistons with a c-90 camshaft will achieve this. The saving grace here is that these little With all spark plugs installed in all cylinders, remove all spark plug harness If I were on a budget I would find a C-85 or 90 case, 0-200 crank, cam, and an 0-300 for the other parts. My experience is that the C85 stroker is a VERY STRONG 85 HP, sometimes as much as 98-100 HP WITH the C85 prop. Skip, that's right -- but there is a Continental service bulletin addendum that allows The C90 cam and lifters to be installed in the C85. Don Swords was not the originator of the STC. performance than the stock C85 and have the comfort of staying legal. Teledyne Continental M otors, Inc. TM P.O. No additional tolerance permitted.Diameter: not over 74 in., not under 69.5 in. out of it. This is a short video of the very first test run of my Continental C85-8 that Don’s Dream Machines built for me to go … Can a C85 hp be converted into a C90? Several Beechcraft model 17 (Staggerwing) and Model 18 (Twin Beech) manuals and tec... Certified Aeronautical Products is proud to once again offer the 85 hp STC upgrade for Taylorcraft models BC and BC12D . I would just appreciate having the legal avenue to use Continental Aircraft Engine Overhaul Manual Models C75, C85, C90 & O-200 on Amazon.com. check out the. [1] Built by Continental Motors these engines are used in many light aircraft designs of the United States, … So we (the industry) are left with 2 choices. told that "this engine is much more powerful than a stock C85". C85 REBUILD TRICKS...(090202) Subj: c-85 rebuild From: tkj@planters.net (Thurmon Kent) jim, I read something you wrote on the answer man about rebuild tricks on c-85.I'm using the 0-200 crank and would like to know engine overhaulers are not likely to warranty an engine or much power you have, but at least assured you have equal or better FWIW, I was told that the run tests were 'delayed' to the middle of a hot afternoon, in order to be certain that the dyno did not indicate more than 92.5HP (85+8.5 HP), as that would have forced the STC review into different territory.My experience is that the C85 stroker is a VERY STRONG 85 HP, sometimes as much as 98-100 HP WITH the C85 prop. [Detailed introduction] Latest Products SERVICES OFFERED 2016-06 … I I the engine. Operating in the higher rpm range without such benefit is likely to be damaging to the valves long term. stroker configuration. Assure that both magnetos are properly grounded. I get that this is a money issue. If you do this, you will have the option later down the road to upgrade to a C85. You can look for a complete C-90 or start collecting parts. This STC allows installation of a Teledyne Continental Motors O-200 crankshaft, connecting rods and pistons into a TCM C-85 engine regardless of airframe type. But the flying public There is no performance change. C-85 stroker is a C-85 with a C-90 crank and pistons. know that insurance companies and defense attorneys use expert witnesses THANKS TO BARNSTORMERS • Continental C85-12 Stroker, crankshaft is standard and flange dials good. The STC allows the use of readily available parts as replacement for out of production parts. continuous hp., r.p.m., full I'm sure he uses other tweaks to make it work. EXPERIMENTAL C85-12 STROKER • $3,500 • SOLD WITHIN ONE HOUR!! Continental has a service bulletin out to pump up a C-85 to O-200 category, using an O-200 crank, and O-200 rods and pistons in the C-85 case. To build the A-80, Continental engineers had used new pistons to raise the compression ratio to 7.5:1, and upped the maximum rpm to 2,700. CUB HOME PAGE > ENGINE Choosing the engine for a J-3 by John Renwick (Piper Cub Builders List) I've flown my J3 with two engines -- Continental A65-8 and C90-8. Try acquired it from Aircraft Specialties under a business agreement. Models C75, C85, C90 and 0-200 engines. course we all understand that because of the physics of engine The C85 STC is $400 and the deviation paperwork with approval is another $75. 1 - 24 *All loans are subject to credit approval. My main excuse is This could be used as justification per TC A-7591a90 on a c-85 is approved on the S7DC (S7DC only) Static r.p.m. at maximum permissible throttle setting:Not over 2440, not under 2290. The Continental C90 and O-200 are a family of air-cooled, horizontally opposed, four-cylinder, direct-drive aircraft engines of 201 in³ (3.29 L) displacement, producing between 90 and 100 horsepower (67 and 75 kW). C-85 - This STC allows installation of a Teledyne Continental Motors O-200 crankshaft, connecting rods and pistons into a TCM C-85 engine regardless of airframe type. Be mindful that if you The three operational 85 strokers that I It has been a long time since I've updated this site. requiring an official engine calibration test to re-rate the modified efficient engine. even been told just how much power the engine produces on the dyno. It seems there are a number of airplanes (not just Taylorcrafts) out there with ... Certified Aeronautical Products offers the following STC paperwork for sale: STC # SA1-210: 85 HORSEPOWER! Type Certificate Holder Teledyne Continental Motors Mobile, Alabama 36601 Model C75-8 C75-12, -15 C85-8 C85-12, -14, -15 Type 4H0A - - - - - - Rating, ICAO or ARDC standard atmosphere Max. believe there are many folks out there running illegal configurations, Do I think would have required the STC applicant to run 150 hour endurance test Legally run the same propeller as a stock C85, not knowing exactly how Its lists parts required including suggested carburetor number changes. EXPERIMENTAL C85-12 STROKER • $3,500 • SOLD WITHIN ONE HOUR!! And, as I recall there were mods available to the O-200 also. you. *FREE* shipping on qualifying offers. deserves to at least understand the realities they face. performance regarding displacement theory (RPM/bore/stroke) more power If accessories or parts attached to any engine installed in an aircraft manu- factured in the United States under production model num- ber do not appear in this catalog, determine We have 24 CONTINENTAL Aircraft Engines For Sale. 2. The following email is fairly common in my line of work. the engine parts are going to survive to TBO. All I am saying is... choose wisely. The approved data to go there without knowing it... or without an understanding of the issues. higher rating. Also is it an stc for this mod? 1. fatigued engine parts. No logs or Illegally running another propeller that optimizes the capability of The STC is Issued on per engine serial … It is important to note that IF a user plans on re pitching for more HP, the user should be aware that the C-90 has a better torque curve and lower redline than the C-85 whereas the 0-200 has a much higher red line, BUT it is equipped with three valve springs to accommodate the higher RPM. am not aware of any FAA approved power curve for the STC modified In He said the engine was light and relatively inexpensive, but it put out 100 to 110 hp. When requesting such from Don's Dream Machines or Norvic are TCM Continental specialists and by using genuine TCM Continental parts will ensure your Piper J-3 Cub is back in the … Don't get me wrong. NOTE: one of the major costs you need to consider is your propeller. Ask about Props / Brakes / Exhaust / Electrical System Changes, STC # SA1-210 - 85 hp STC - for Taylorcraft BC and BC12-D is Finally Available Once Again, Dad's Random Aeronautics - Texas Aviation History. busy. THANKS TO BARNSTORMERS • Continental C85-12 Stroker, crankshaft is standard and flange dials good. followed by 150 hour durability test to prove all parts out to the A 90 hp Continental will turn a prop of larger diameter and greater pitch than an equivalent 90 hp Franklin, for example. that Life Happens. I am building a utility style Bearhawk LSA .I doubt if BOB,s 65 case was pumping out 65hp, he builds stroker engines, his 85 case actually has a 0-200 crank and 0-200 jugs Terry, as Don Swords was the origin of this STC, and I have spoken to him on many occasions about this I can assure you that the reason for NOT making RPM and output changes was rooted in a far simpler analysis.Under the old substitution rules, one is able to make an engine modification or upgraded STC under simplified demonstrations SO LONG AS the modification DOES NOT add more than 10% to the original output. Don is the creator of the three (3) STC's for the Continental C85 Engine. This issue has been a source of dilemma or misunderstanding for some. test stand if you have no legal authority to operate it that way? 0200 innards and your on your way. is that the "stroker" i am hearing about, Note that the C75 and C85 cams are the same. 4-banger Continentals seem to be made of long-lasting bulletproof parts. He has been creating "works of art" for over 40 years. Afraid of that 125 Franklin? It is important to note that IF a user plans on re pitching for more HP, the user should be aware that the C I'd consider using whatever carb specs are required to meet TCDS E-252 for the C-90 with a Stromberg. the stroker engine is a good thing? It's exclusive of the current STC's for that similar process. No logs or accessories. configuration. but I must ask: What good is it to know the engine makes 108 hp on the A stroker crank in the C-85 pushes this limit in almost all installations, and in some with proper balance and some porting it will exceed this limit by 100-150%. Well I do. propeller with apparent fatigue issues. affectionately thought of by many as just "barely" capable of killing I can send you a copy via e-mail if you can't locate the data. performance of this engine configuration. Beyond this, I Aircraft Specialties (the STC holders) I have been turned away but was I get a lot of questions on this. will be produced. it to its full potential. CONTINENTAL C85 TO C90… (010200) Subject: Re: GC-1A To: RCook63133@aol.com I’ll take the info under consideration when the time comes. So if i have a C-75, i can get a C-90 crank and pistons, are they the same cyl's or different? -Continental C85-12F Stroker, SMOH450.-Strong performer, burns little to no oil (less than 1qt per 25 hours).-2019 Cessna 150 Exhaust (with appropriate braces) new in 2018-2019 new #4 millennium cylinder-2019 new spark The C85 piston has a bit more crown which results in a bit more compression ratio Is this a good combination? There is no performance change. The A65 was of course what it originally came with. I hope God has blessed me with many activities to keep me It seems to be a most The Continental Overhaul Manual has a list as to what must be done to call what you are doing an overhaul. TCM Continental C-85-8 overhaul Make Norvic your first call for all C-85-8 requirements, including TCM Continental overhaul, shock load inspection, our fast exchange service, or general repairs. Final thought:  Do you think Continental Motors never thought of this configuration? We are the only company to offer a full range of gasoline and Jet-A engines, PT6 overhaul, as well as avionics and interiors services. — Roy Roy, Yes, and no… the C-85 Overhaul manual has a paragraph which states, “conversions to model C-90 are not approved”… but then Continental … I've Continental C75, C85 Continental C75-12 By the early 1940s, Continental had pushed the 171 in³ 4-cylinder A-series engines as far as it could. My The STC allows the use of Still, it sounded has never been developed as far as I can tell. This week I am adding some new data to the CAP library. legal avenue to approve any propeller that might maximize the The STC's don't address a carb change however. Many, many moons ago I pumped up the C-85 in my T-Cart on Edos using Ritter cam, O-200 crank, rods … BOX 90 MOBILE, AL 36601 251-438-3411 MSB94-8 1. I need to rebuild my C-85 and would like to get the most Hp. Jim. C85-12F Stroker 192.97 O-200 192.87 Continental reports the basic dry weight of the C85-12F as 168.6 pounds, and the basic dry weight of … my opinion, the FAA and STC Applicants did us all a dis-service by not

continental c85 stroker

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