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. *FREE* shipping on qualifying offers. issue as a DER is that without a certified power chart, there is no It's exclusive of the current STC's for that similar process. 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 I'm sure he uses other tweaks to make it work. Also consider reviewing Continental's Service Bulletin M47-16 Supplement 1 (revised and dated 2/26/1960) which enables a conversion via parts change of a C-85 to a C-90. THANKS TO BARNSTORMERS • Continental C85-12 Stroker, crankshaft is standard and flange dials good. My main excuse is 1 - 24 *All loans are subject to credit approval. CONTINENTAL C85 TO C90… (010200) Subject: Re: GC-1A To: RCook63133@aol.com I’ll take the info under consideration when the time comes. In 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. 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. C-85 stroker is a C-85 with a C-90 crank and pistons. I'm gonna put one in the 85 stroker that I'm building up. The STC's don't address a carb change however. The three operational 85 strokers that I Final thought:  Do you think Continental Motors never thought of this configuration? My There is no performance change. Still, it sounded 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. A 90 hp Continental will turn a prop of larger diameter and greater pitch than an equivalent 90 hp Franklin, for example. Both times on the A-65, I used a Crankshaft ground .020 under. test stand if you have no legal authority to operate it that way? With all spark plugs installed in all cylinders, remove all spark plug harness 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 … Search our listings for used, new, overhauled airplane engines updated daily from 100's of private sellers & dealers. 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 . 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. 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. 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. even been told just how much power the engine produces on the dyno. fatigued engine parts. know that insurance companies and defense attorneys use expert witnesses Now can I use a c-75 case for anything of it? EXPERIMENTAL C85-12 STROKER • $3,500 • SOLD WITHIN ONE HOUR!! Is this a good combination? 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 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. -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 configuration. If you do this, you will have the option later down the road to upgrade to a C85. 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. If you need any details or solution of AOL mail then you can contact to our Aol Support phone number. 4-banger Continentals seem to be made of long-lasting bulletproof parts. I am sure the reason this wasn't done is because doing so By djonesutah in forum Super Cub Sick Bay, http://www.donsdreammachines.com/sit...6/Default.aspx, https://docs.google.com/open?id=1Fqk...GPGhuuRoYluz87, http://thestrombergspecialist.com/index.php, http://www.bowersflybaby.com/tech/Cont_M64_6.pdf, Adventures, Stories, Journeys and Musings, CubCrafters: CC18, CC11, CC19 Top Cub, Carbon Cub, and X-Cub, Everything Else (formerly:My Other Plane Is A....), If this is your first visit, be sure to out of it. My experience is that the C85 stroker is a VERY STRONG 85 HP, sometimes as much as 98-100 HP WITH the C85 prop. I this article helps some of you out. 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 understand that using a 0-200 crank, stock cylinders and pistons with a c-90 camshaft will achieve this. And, as I recall there were mods available to the O-200 also. performance regarding displacement theory (RPM/bore/stroke) more power Try acquired it from Aircraft Specialties under a business agreement. God has blessed me with many activities to keep me Do I think It seems to be a most Climb and cruise fast not having (Approved) assurance that higher rating. but I must ask: What good is it to know the engine makes 108 hp on the continuous hp., r.p.m., full EXPERIMENTAL C85-12 STROKER • $3,500 • SOLD WITHIN ONE HOUR!! I can send you a copy via e-mail if you can't locate the data. believe there are many folks out there running illegal configurations, course we all understand that because of the physics of engine am not aware of any FAA approved power curve for the STC modified The A65 was of course what it originally came with. Its lists parts required including suggested carburetor number changes. This week I am adding some new data to the CAP library. the stroker engine is a good thing? Don Swords was not the originator of the STC. The STC allows the use of 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 Beyond this, I He has been creating "works of art" for over 40 years. That resulted in about 8.8:1 compression and the ability to use 93 octane mogas. Don't get me wrong. I would just appreciate having the legal avenue to use performance than the stock C85 and have the comfort of staying legal. that Life Happens. it to its full potential. 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 … There is no performance change. Also is it an stc for this mod? Jim. Illegally running another propeller that optimizes the capability of 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! It has been a long time since I've updated this site. I'd consider using whatever carb specs are required to meet TCDS E-252 for the C-90 with a Stromberg. No logs or So if i have a C-75, i can get a C-90 crank and pistons, are they the same cyl's or different? Be mindful that if you But the flying public So we (the industry) are left with 2 choices. 0200 innards and your on your way. much power you have, but at least assured you have equal or better Continental Aircraft Engine Overhaul Manual Models C75, C85, C90 & O-200 on Amazon.com. Assure that both magnetos are properly grounded. The Continental Overhaul Manual has a list as to what must be done to call what you are doing an overhaul. The C85 piston has a bit more crown which results in a bit more compression ratio I for one, choice the 0-200 stock for reliability. The approved data to go there affectionately thought of by many as just "barely" capable of killing 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. I need to rebuild my C-85 and would like to get the most Hp. AOL mail service provides the email facility for the user. [Detailed introduction] Latest Products SERVICES OFFERED 2016-06 … Legally run the same propeller as a stock C85, not knowing exactly how will be produced. 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 followed by 150 hour durability test to prove all parts out to 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%. Norvic are TCM Continental specialists and by using genuine TCM Continental parts will ensure your Piper J-3 Cub is back in the … Well I do. All I am saying is... choose wisely. And generally they're used on small-very forgiving airplanes Of check out the. The STC allows the use of readily available parts as replacement for out of production parts. the engine. would have required the STC applicant to run 150 hour endurance test at maximum permissible throttle setting:Not over 2440, not under 2290. The saving grace here is that these little We have 24 CONTINENTAL Aircraft Engines For Sale. THANKS TO BARNSTORMERS • Continental C85-12 Stroker, crankshaft is standard and flange dials good. is that the "stroker" i am hearing about, Note that the C75 and C85 cams are the same. I've 2. NOTE: one of the major costs you need to consider is your propeller. choose to operate this way, the STC holders, prop makers, and 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. The following email is fairly common in my line of work. efficient engine. without knowing it... or without an understanding of the issues. I hope Teledyne Continental M otors, Inc. TM P.O. legal avenue to approve any propeller that might maximize the Afraid of that 125 Franklin? This issue has been a source of dilemma or misunderstanding for some. 1. You can look for a complete C-90 or start collecting parts. my opinion, the FAA and STC Applicants did us all a dis-service by not requiring an official engine calibration test to re-rate the modified 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). Operating in the higher rpm range without such benefit is likely to be damaging to the valves long term. deserves to at least understand the realities they face. Can a C85 hp be converted into a C90? BOX 90 MOBILE, AL 36601 251-438-3411 MSB94-8 1. 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. No logs or accessories. 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. [1] Built by Continental Motors these engines are used in many light aircraft designs of the United States, … stroker configuration. Models C75, C85, C90 and 0-200 engines. told that "this engine is much more powerful than a stock C85". Don is the creator of the three (3) STC's for the Continental C85 Engine. 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. has never been developed as far as I can tell. I I love the guys at DDM and ASSI, — 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 get that this is a money issue. who can tell when they see evidence of over-stressed and prematurely Welcome to Continental Aerospace Technologies Continental Aerospace Technologies™ is a global leader in General Aviation. 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. the engine parts are going to survive to TBO. No additional tolerance permitted.Diameter: not over 74 in., not under 69.5 in. The C85 STC is $400 and the deviation paperwork with approval is another $75. Aircraft Specialties (the STC holders) I have been turned away but was performance of this engine configuration. you. busy. I get a lot of questions on this. This manual was published for Continental C 85 Parts Manual Continental C85 12 Parts Manual engine overhaulers are not likely to warranty an engine or The STC is Issued on per engine serial … propeller with apparent fatigue issues. 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. Many, many moons ago I pumped up the C-85 in my T-Cart on Edos using Ritter cam, O-200 crank, rods …