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Topic: RAC horsepower


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  Horsepower - Wikipedia
The horsepower (hp) is the name of several non-metric units of power.
In scientific discourse the horsepower is rarely used due to the various definitions and the existence of an SI unit for power, the watt (W).
RAC horsepower cannot be given as a proportion to metric power.
wikipedia.findthelinks.com /bh/BHP.html   (439 words)

  
 Horsepower - Encyclopedia, History, Geography and Biography
In scientific discourse the term "horsepower" is rarely used due to the various definitions and the existence of an SI unit for power, the watt (W).
The most-common definition of horsepower for engines is the one originally proposed by James Watt in 1782.
Gross horsepower figures were also subject to considerable adjustment by carmakers: the power ratings of mass-market engines were often exaggerated, while those for the highest-performance muscle car engines were frequently underrated.
www.arikah.net /encyclopedia/Hp   (2715 words)

  
 Horsepower - Biocrawler   (Site not responding. Last check: 2007-11-02)
Brake horsepower was a term commonly used before the 1970s in the United States, and is still common in the United Kingdom.
Drawbar horsepower is the power a railroad locomotive has available to haul a train.
The electrical horsepower is used by the electrical industry for electric motors and is defined to be exactly 746 watts.
www.biocrawler.com /encyclopedia/Bhp   (1419 words)

  
 RAC
This has often been a source of confusion and amusement in the minds of North Americans, who are accustomed to large horsepower numbers and who haven’t had a tradition of petrol shortages and intrusive government policy towards their automobiles.
However, if you look carefully at the calculation (and recognize that it is the combined activity of the bore and stroke that develops horsepower), you will notice that the stroke does not enter into the calculation at all.
This formula fortunately worked in favour of the public, as well as the auto manufacturers of the day, as 1 pound for each horse of a low taxable rating was considerably less than the same pound multiplied by the much higher actual b.h.p.rating.
www.singercars.com /racrate.html   (379 words)

  
 RAC Horsepower
The RAC rating was very important, as for many years the annual car taxation was based on its RAC rating.
The myth has grown that the RAC formula was arbitrary and just happened to calculate the actual output of some early petrol engines.
Thus an output for a better (unblown) engine of 3 to 4 times the RAC rating was not uncommon in the mid to late 30's.
www.designchambers.com /wolfhound/wolfhoundRACHP.htm   (1013 words)

  
 Engine Capacity Calculator
This has often been a source of confusion and amusement in the minds of Americans, who are accustomed to large horsepower numbers and who haven’t had a tradition of petrol shortages and intrusive government policy towards their automobiles.
The Royal Automobile Club formula for horsepower was not based on any practical bench test, rather it was based on applied theory and was derived from basic principles.
This lead to a double rating system, as the Rover 10/25, where the 10 was RAC horsepower and 25 was indicated horsepower.
www.vccansw.org /articles/vcca_article02.htm   (378 words)

  
 Using DataDirect Connect® for JDBC® with Oracle Real Application Clusters (RAC): JDBC: Developer: Home
An Oracle RAC system is composed of a group of independent servers, or nodes, that cooperate as a single system as shown in Figure 1.
You may think that connection failover is not needed in an Oracle RAC system; however, if the requested listener is down or the timing of an instance going down is such that the requested listener is not yet aware that an instance is down, the connection request can fail.
For example, suppose you have the Oracle RAC environment shown in Figure 4 with multiple connections to Oracle RAC nodes: A, B, and C. As shown in the first case, connections are distributed among the nodes in an Oracle RAC system.
www.datadirect.com /developer/jdbc/jdbc_with_rac/index.ssp   (2329 words)

  
 Using Oracle Real Application Clusters (RAC): ODBC: Developer: Home
Because the requested listener selects from a set of active instances in the RAC system to forward connection requests to, it should not route the connection request to an instance that is not running.
For example, suppose you have the Oracle RAC environment shown in Figure 3 with multiple connections to Oracle RAC nodes: A, B, and C. As shown in the first case, connections are distributed among the nodes in an Oracle RAC system.
Suppose you have the Oracle RAC environment shown in Figure 4 with multiple Oracle RAC nodes, A, B, C, and D. Without client load balancing enabled, connection attempts may be front-loaded, meaning that most connection attempts would try Node A first, then Node B, and so on until a connection attempt is successful.
www.datadirect.com /developer/odbc/odbc_oracle_rac/index.ssp   (2181 words)

  
 Oracle Tuning with RAC
In a nutshell, Oracle RAC is a complex database architecture where multiple RAM memory regions and processes and Oracle instances share a common set of database files.
Figure 20.1 is an illustration of the complex RAC structure in Oracle.
It is critical to understand that Oracle RAC is not for every Oracle database, and it is almost always used in super large, mission-critical systems and web database that must support thousands of transactions per second.
www.remote-dba.net /oracle_10g_tuning/t_oracle_rac_tuning.htm   (1097 words)

  
 Ihp 100
In scientific discourse the horsepower is rarely used due to thevarious definitions and the existence of an SI unit for power, the watt (W).
The horsepower was first used by James Watt during a business venture wherehis steam engines substituted horses.
Brake horsepower was a term commonly used before the 1970s in the United States, and is still common in the UnitedKingdom.
www.lottery-news.net /dust4442-ihp_100.html   (412 words)

  
 Bhp - WOI Encyclopedia Italia
The horsepower was first used by James Watt during a business venture where his steam engines replaced horses.
Since taxable horsepower was computed based on bore and number of cylinders, not based on actual displacement, it gave rise to engines with 'undersquare' dimensions, i.e., relatively narrow bore, but long stroke; this tended to impose an artificially low limit on rotational speed (rpm), hampering the true power output and efficiency of the engine.
The situation persisted for several generations of four- and six-cylinder British engines: for example, Jaguar's 3.8-litre XK engine had six cylinders with a bore of 87 mm (3.43 in) and a stroke of 106 mm (4.17 in), where most American automakers had long since moved to oversquare (wide bore, short stroke) V-8s.
www.wheelsofitaly.com /wiki/index.php?title=Bhp&printable=yes   (2040 words)

  
 Working landscape initiatinve, but asked to think about what was said in public meeting, including recurreing themes ...   (Site not responding. Last check: 2007-11-02)
  The RAC recommendations on changes in the planning process were incorporated in a document that went out of the state office to FOs the first week in November.
Joel showed a site the RAC visited on its last FFO field trip where there was mulch and seed came up after the rain.
In addition to the 5% stipulation on grassland habitat, the other requirement recommended by the RAC is that those leases would have to join in an exploratory unit for special management purposes.
www.blm.gov /rac/nm/minutes/Nov2003RAC.htm   (6049 words)

  
 World Golf News - TaylorMade introduces rac Satin Wedge
Besides the rac Satin, TaylorMade offers two additional rac wedge models: the chrome-plated rac Chrome and the unplated rac Black, which undergoes a three-step oxidation process to produce a handsome fl finish.
TaylorMade's rac Technology incorporates two distinctive Feel Pockets in the back of the clubhead; these Feel Pockets exist to channel impact energy to strategic areas of the head, enhancing the kind of soft-yet-solid feel at impact that golfers love.
Numerous tour pros have used rac Satin wedges to win on the PGA Tour, including Retief Goosen, who relied heavily on his 60° rac Satin around the greens at Shinnecock Hills en route to victory at this year's United States Open.
www.worldgolf.com /newswire/browse/1070-TaylorMade-introduces-rac-Satin-Wedge   (701 words)

  
 Bhp health canada Bhp   (Site not responding. Last check: 2007-11-02)
Divide that son-of-a-bitch by two And that's how many watts there are in a horsepower.
It is calculated from the pressures developed in the cylinders, measured by a device called an engine indicator – hence indicated horsepower.
It was the figure normally used for steam engines in the 19th century but is misleading because the mechanical efficiency an engine means that the actual power output may be only 70–90% of the indicated horsepower.
www.find-ask.com /Encyclopedia/Bhp/Bhp.html   (1355 words)

  
 HQMC Fact Files - Riverine Assault Craft (RAC)   (Site not responding. Last check: 2007-11-02)
Features: The RAC is a riverine platform that provides speed, maneuverability, and survivability to conduct command/control, armed escort, direct fire support, electronic warfare, pursuit/intercept, and scout/patrol missions during riverine operations.
The RAC is a high-speed, aluminum-hulled craft powered by twin inboard 300 horsepower Cummins turbo diesels connected to Hamilton water jets.
The RAC's trailer may be towed by the five-ton cargo truck.
www.hqmc.usmc.mil /factfile.nsf/7e931335d515626a8525628100676e0c/d4cbb0016e10fe5e852562810074c922?OpenDocument   (286 words)

  
 The Worldwide Group - Auctioneers - Appraisers - Brokers
Disassembled by the RAC staff, the valve sleeves were in such good condition they still showed the marks of their original machining.
Following the test the RAC awarded Daimler its 1909 Dewar Trophy for technical achievement, the same trophy which in 1908 had established Cadillac as "The standard of the world" for interchangeable parts.
Rated at 48 horsepower by the Royal Auto Club formula, based upon the RAC's 1909 Dewar Trophy test results it must produce in the vicinity of 65 brake horsepower from its 140mm x 150mm bore and stroke (5 1/2" x 6 1/2") four-cylinder engine.
www.thewwg.com /details.cfm?vehicleID=223   (1625 words)

  
 Racing Against Cancer Team Press Releases 2002
Today Foxwoods remains a staple to the R.A.C. program; however, it is the efforts of over 50 individuals and organizations dedicated to raising the funds that make up the yearly contribution.
In 2003 R.A.C. will focus on the complete implementation of the Youth Tobacco Awareness Program, which will be brought to schools, scout camps, and youth groups who request the service.
The R.A.C. simulator has the appearance of a real racecar on the outside; however, inside it is an interactive video game that lets players experience the feel and sound of an actual racecar.
www.racingagainstcancer.com /racprs02.htm   (7964 words)

  
 Re: Quick quiz on indirect injection diesel   (Site not responding. Last check: 2007-11-02)
Mostly the calculation has always been done backwards for internal combustion engines (ie bmep is a derived value), since the Prony brake (the first dynamometer, invented by Gaspard De Prony around the 1820's) has always been able to measure bhp directly.
Registration was based on the former, hence the reason to emphasise it and exaggerate the latter.
One of the consequences of the RAC system was engines that were ridiculously under square -- ie the stroke was much greater than the bore.
www.talkaboutautos.com /group/aus.cars/messages/707097.html   (305 words)

  
 Willys Overland Knight Registry - Whippet 98 History   (Site not responding. Last check: 2007-11-02)
Although there was a 6 cylinder Whippet for 1927, the Model 93A, this was very new in terms of its engine which included a 7 bearing crankshaft, full pressure oil feed to all bearings, thermostat water control, Nelson Invar Strut pistons of Bohnalite and an adjustable timing chain drive.
Bore was increased, stroke decreased to new dimensions of 3 1/8 x 3 7/8 inches and an extra 3 horsepower to give 43 bhp @ 2800 rpm.
Advertising and promotion of the Whippet 98 was minimal even though it was the lowest priced 6 cylinder automobile made in the USA at the time.
clubs.hemmings.com /clubsites/wokr/gallery/wh98his.htm   (242 words)

  
 BTCC: Team RAC confirm Turkington and Collard.
Team RAC has announced that Colin Turkington and Rob Collard will be joining the team in its title challenge for this year's Dunlop MSA British Touring Car Championship.
Team RAC, launched at the Autosport International show back in January, witnesses a welcome return by RAC to the motorsport arena and an increased involvement in the series from motorsport engineering company West Surrey Racing by entering two MG ZS'.
The last time I drove the car in 2004 it was a potential race winner at every meeting and I know the guys have been working day and night to extract even more speed from the car.
www.crash.net /news_View~t~Team-RAC-confirm-Turkington-and-Collard-~cid~10~id~126644.htm   (722 words)

  
 Horsepower   (Site not responding. Last check: 2007-11-02)
The Royal Automobile Club formula for horsepower assumed a mean effective pressure of 90 pounds per square inch, a mechanical efficiency of 75% and a mean piston speed of 1000 feet per minute.
They also had the "tax horsepower", where 261,8 cc equal 1 tax-hp, this was probably based on similar calculations like the RAC formula you describe.
So there was the Mercedes 28/95, or the Mercedes 6/25/40, the latter was a compressor car, where the second number refers to actual horsepower, and the very last number to horsepower with the compressor working.
www.roverklubben.se /horse.html   (339 words)

  
 Progress report: Oracle real application clustering - TechUpdate - ZDNet   (Site not responding. Last check: 2007-11-02)
The promise of the RAC technology was significant cost savings and scalability.
Oracle 9i RAC deploys a shared disk cluster in which the database can be run across multiple servers.
Based on the evidence presented by Oracle during my sojourn at Oracle World this week, the company is making some headway.
techupdate.zdnet.com /techupdate/stories/main/0,14179,2897690,00.html   (807 words)

  
 [No title]
The “RAC” figure was a simple mathematical formulation based on the bore times the number of cylinders divided by a constant (note that stroke wasn’t included in the calculation).
The new "18 HP"”(again RAC horsepower) had a new bore of 69.5mm and a stroke of 120mm giving a displacement of 2731cc and 61 horsepower.
The “18 HP” became the “16 HP” by virtue of a bore decrease from 69.5 to 67.5 (thus decreasing the bore dependent RAC horsepower calculation and decreasing the annual road tax levied on this car) while the actual horsepower was 60 (a decrease of 1 horsepower).
www.charm.net /~pdbragg/whatsahillman/vol11-1.doc   (5511 words)

  
 Cover Feature: Enterprises Putting Linux to Work
Not only will this give it significantly more horsepower and an easy way to scale the architecture for the huge spikes it needs to manage, but it also makes ongoing management easier.
By using Oracle's Collaboration Suite; Oracle9i Database; Oracle9iAS; and, in the future, Oracle9i RAC (all running on Linux), HMC is able to meet the hospital's needs for information sharing, internal communications, and healthcare patient-information support without having to spend additional money on legacy systems and managing multiple platforms.
Although GGU could have used Oracle9i RAC or advanced replication in order to ensure high availability, GGU decided that a logical Data Guard would be the best solution.
www.oracle.com /technology/oramag/oracle/03-jul/o43linux_work.html   (1840 words)

  
 Racing Against Cancer Team Press Releases
Other goals include an increasing visibility for R.A.C. with marketing partnerships with regional and national media outlets as well as cementing relationships with other charitable foundations like the Cam Neely House to increase the scope and magnitude of fundraising.
R.A.C. Monte Carlo Night™ is a celebration for those that come together in the fight against cancer.
He is the late father of R.A.C. manager Steve Fales, an active member of the New England racing scene.
www.racingagainstcancer.com /racprs04.htm   (3877 words)

  
 Motoring Answers: Ruston Hornsby?
The car had a four-cylinder 3.3 litre engine with a detachable cylinder head but with the inlet manifold actually cast into the cylinder block.
The RAC horsepower rating was 15.9 and the engine developed 43 bhp.
It had three forward speeds and the tyre size was 820 x 120.
www.honestjohn.co.uk /motoring_answers?id=893   (303 words)

  
 Ron Lebar. Formulae used in electrical engineering, electronics & music technology
One Horsepower (HP) = 746 Watts to the nearest integer, in Britain and America.
This was because the standard measurement method involved absorbing the power in a weighted belt on drum brake.
A means was needed to distinguish it from the archaic RAC automobile horsepower rating, which was essentially meaningless for modern engines.
www.ronlebar.com /formulae.htm   (3668 words)

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