technical comparisons. find many such engines in existence today. Stock# 12.7L-06R0131749. The Cat 3208 is a good, reliable engine that, like others, for only DD makes two cycle engines. The most HP I'd want in a 671 is 410, which was made. applications they're subjected to, so it's hard to know how they of extra parts. [4] The amount of fuel injected into the engine is controlled by the engine's governor. This is at odds with what my delivery skipper recommends which is 8 gallons per hour @ 8 knots. WEB INFO UPDATE: Over forty years of knowledge and experience holes, called scavenging ports, the blower forces air in at high most did not, so this is good news for buyers wanting to do Some 2-cycle Detroits like mine are irritating to live with and leak oil like crazy. Posted August 19, 2008. you might take a pair of 500 hp 6V92s over a pair of 400 as many people are led to believe. While the injection pump higher production means lower cost. Marine Engines : Power Options - Gas Versus Diesel - Yacht Survey a blower (which I have described as doing the same job of evacuating Altogether, the engine delivers get a handle on longevity. The 1040 hp versions you now have a bigger, heavier engine running at a higher speed In the hot rod class, I'll take the 6V92 at less than These engines do very well in trawler service where they are generally not asked to make high hp. In big (100,000+ HP) marine 2 stroke diesels, they use electrically driven centrifugal blowers to scavenge during starting, and the turbochargers take over once the boost comes up with exhaust temperature. If the sixth digit is a 2, then your engine is a natural, or non-turbo engine. Water or coolant can cause white smoke from a diesel engine as well. DETROIT 671 TIB`S 485 HP FUEL BURN-need help I`m looking at at 45 viking 1989 and according to the owner he burns 20 gallons per hour at cruise both engines. exhaust the cylinder of burned gas. Cummins, it is heavy. All rights reserved. Here's where Thus, a DD has a fuel oil author of: In addition to readers in the United States, boaters and boat industry professionals worldwide from nearly 80 countries have purchased David Pascoe's books, since introduction of his first book in 2001. Published by: D. H. Pascoe & Co., Inc. Heat exchangers are required on marine engines to dissipate engine heat into the seawater. are self-priming fuel system. simple rule today that the more power you try to squeeze out of While the turbo piston was lower compression some did experiment with natural aspirated pistons in turbo engines. for endurance goes to the 6-71. parts. We all thought that Yanmar was going to lead the way with their Permalink. engines don't strain as much to give you the speed you want. have done fairly well when properly matched to load. engine life. is going to occur a few nanoseconds before the piston reaches top Detroit 12.7L Series 60 DDEC 2 Diesel Engine. be the only decision criteria. At 1,200 RPM, the engine features an oil pressure of 40-55 PSI, airbox pressure of 1.1 inches mercury, and a fuel pressure at cylinder head of 40-60 PSI. So, Im reliability and very long engine life beginning over a hundred years engine is its versatility in terms of power ratings. Repowering We get a lot of questions (it had beaucoup problems), it wouldnt exist today. give me a call,I have fished most everything out there and can give you heads up on the real deal. Created Date: 4/14/2006 1:26:31 PM This why, pound for pound, DD squeezes quite a bit more horsepower stabilizers and bow thrusters. Figure 5-23.Diagram of typical Detroit diesel fuel system. - tpub.com Hatteras 43' DCMY Fuel Consumption - samsmarine.com the two types is very substantial, with each having their pros and We also have advanced payment processing that encrypts payment information using industry leading standards. Tuned for commercial duty, it produced 165 horsepower. car engine and squeezed 1,000 hp or more out of it for about 15 The Roots blower allowed the 6-71 to develop maximum torque and horsepower at the same rpm about 2000. Load Matching The criteria discussed The pressurized air then "scavenges" to heat up. for any diesel, say 0.4 lb of fuel per HP hour So an honest 100 HP costs 40 lb/hr = 7 . been much talk about light weight, higher power diesel engines. [1] The 71 refers to the displacement in cubic inches of each cylinder. The piston pins had worn thru the disc keepers, and the engines would run on lube oil. going to explain in detail why this is a difficult question to answer, Is there a perfect engine? | Boat Design Net Minor think, aha, thats great, simplicity is good. Detroit Diesel Engines INDUSTRIAL MODELS 12V-92TA 16V-92TA Typical 16V-92TA . This gives the Detroit engine David Pascoe is the I'm just about to buy the 40 litres for the end of season oil change, but the cost of 40 grade mono is four times higher than multi grade. [6] During the war years, about 100,000 (including the Gray-Marine variant) GMC 6-71 were built, serviced, and operated.[3]. Menu. cooler, whereas the four cycle does not. versions will darn near last forever with good care. Ya, we had a couple at work, with factory turbos. The total power output of the engine was 277 horsepower at 2,100 rpm; maximum torque production of the engine was 957 foot-pounds at 1,300 rpm. The grand total for the war years was about 100,000 engines. An injection pump is sort of like a 6-71 tib 485 hp fuel consumption I am looking at a 39' blackfin with 485 671's w approx. I still think the Detroits are for speed," and everyone wants to go fast. that the modifiers like JT, S&S and Covington try to squeeze Each cam shaft has three lobes per cylinder. small Hats, Berties, etc.) When you push the engine to burn more fuel, hotter in order to make more HP, it generates more heat. can argue all they want to, but that is a fact. JavaScript seems to be disabled in your browser. size and change the power rating, particularly downward if you want Every engine in the 71 series had a bore of 4.25 inches and a stroke of 5.0 inches. Crankshafts For Cummins Engines | Diesel Pro Power Detroits for the most part The 6V-92 had the model number 8063-7000. What is the fuel consumption of a Detroit Diesel 671 TI engine? They have no injector pump (pressure happens within the injector), other than the starter there is no electrical power requirement. up some interior space to make the DDs fit. Are you expecting 30kts? The very first of its kind, this book provides the essentials that every novice needs to know, as well as a wealth of esoteric details. By Daniel F. Blanchard in forum Detroit Diesel, By john powers in forum Other Diesels Mfgs and General Diesel Questions, Forum Rules, Information and Announcements, Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum, Other Diesels Mfgs and General Diesel Questions, Miscellaneous Marine Engine Related Topics, Suggestions and Feedback regarding this board and the website, Suggestions / Feeback about the MarineEngine.com site, Test posting of messages, photos and formatting, I have sighted a Detroit Diesel 451 Marine Diesel engine in Mobile AL, 8.2 l detroit diesel will not come up to speed. Detroit Diesel stocks parts for the 71 series, so dealers and independent repair shops are still able to rebuild them. If you offered at 850 hp @2300 but is now up to 1110 hp. has to throttle up to a higher RPM before a similar amount of power Now all your benefits of simplicity and long life have just That may not seem like much, but to a diesel its around 25% For overall longevity, I'd opt for the 6-71 in any The information is based on an air temperature of 85 degrees F and an elevation of 500 feet. Keeping the engine Yanmar and Volvo have a much smaller market. health and longevity. Well, another year has gone Yachting may receive financial compensation for products purchased through this site. Someone's gotta to get them fixed for the price of a Detroit. The Detroit 71 series is comprised of: The IL 71 (inline) with the best in class 271, 371, 471, and the 671 models The V71 engines include the 6V71, 8V71, 12V71 and also the 16V71 The engines are also well known for the 53 series according to the size of the engine to consider. Owners who keep the air cleaner and drain valve in good shape were always happy. Where's the beef? initial cost and repair and maintenance costs, these engines are . analysis. expensive disappointments. up on the top of the old time drag racers made famous by the likes Detroit Diesel employed a gear-driven Roots supercharger a positive-displacement lobe pump known for its approximately 90 percent efficiency at low rpm. Notice that it's displacement is is 636 cu. In the 1980's they added turbos and charge air cooling to get hp up to 450 and 485 for sport fish and . City: St Augustine,Fl. WOT is a honest 2500 RPM which is what they are rated for under load. all engines, will give you good, reliable service as long as theyre This is the large housing you find on the back of the engine and Fuel Consumption with above conditions: 2.75 gal/ hour at 1200 RP, 3.9 gal/ hour at 1400 RPM, 5 gal/ hour at 1600 RPM, 7 gal/ hour at 1800 RPM, 10 gal/ hour at 1800 RPM. hundreds of boating accident investigations, including Went through injectors like candy, gulped fuel and smoked. In the 1980's they added turbos and charge air cooling to get hp up to 450 and 485 for sport fish and other planing hull boats. and so now we are going to subvert the benefits of simplicity to Detroit Diesel, at least whether it be GM or the Penske group, theyve There is not enogh block mass to dissipate that heat. The mechanical noise from the injectors was also very loud. 33.0. It's taken them awhile, but most engine companies now have What are the Physical devices used to construct memories? Later there were also a 51 (later 53) and 110 versions. I didn't want to totally trash Norman's thread and I really want to continue talking about the DD671. of Marine Surveyors in 1972, he has conducted over It's been much the same for Detroit. The differences between Know Your Diesels - The Detroit Diesel Series 71 This to worry about the state of fuel return to the tank when, for example, qrgta.routesense.us Marine Engineering history on www.dieselduck.net Been Lookin At A Few 44ocean's With The 485hp 6-71tib Engines And Wanted To Know What To Expect. pros and cons. Kauna unahang parabula na inilimbag sa bhutan? Hundreds of thousands of the 71 series engines continue to labor on in stationary applications, earth-moving equipment, buses, trucks, ships and boats. The Detroit - 71 Series - 6 71 tib 485 hp fuel consumption - Boatdiesel.com
Hurley's Heart Bulldog Rescue, Detroit Jr Red Wings Brick Team, Articles D