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Topic: Overdrive (mechanics)


In the News (Sat 28 Nov 09)

  
  Reference.com/Encyclopedia/Overdrive (mechanics)
An overdrive is a device which was commonly used on rear-wheel drive automobiles to allow the choice of an extra-high overall gear ratio for high speed cruising, thus saving fuel, at the cost of less torque.
The overdrive consists of an electrically or hydraulically operated epicyclic gear train bolted behind the transmission unit.
In newer transmissions, the overdrive speed(s) are typically as a result of combinations of planetary/epicyclic gearsets which are integrated in the transmission.
www.reference.com /browse/wiki/Overdrive_(mechanics)   (939 words)

  
 MGB RESTORATION - OVERDRIVE CONVERSION
This is surprising since as an optional extra overdrive on a 3-syncro car cost about £60.00 whereas the second-hand value of an overdrive car was about £100.00 more than the equivalent non-overdrive example.
Ideally a second-hand gearbox and overdrive should be sourced but these are quite rare, especially the early 3-syncro gearbox with the Laycock Type D overdrive.
The dash mounted overdrive switch along with the plinth should be fitted into the hole already provided in the dashboard to the right of the fuel gauge.
www.middlebank.co.uk /GearB.htm   (451 words)

  
 Overdrive | English | Dictionary & Translation by Babylon
Overdrive (mechanics), a part of automobile transmissions aimed at increasing fuel efficiency.
Overdrive (music), the practice of forcing output of a guitar amplifier past maximum, resulting in distortion.
Overdrive Special and Overdrive Reverb, two models of guitar amplifiers by Dumble Amplifiers.
www.babylon.com /definition/Overdrive   (247 words)

  
 Rocky Mountain Parabolic Suspension
The uppermost gear in the 230 transfer case has to be removed when the overdrive is installed.
The actuating lever is connected to the overdrive by an adjustable turnbuckle.
On left hand steered Defenders you may have to remove and replace the hand brake lever to drill the hole as the lever emerges between the hand brake boot and the transmission tunnel, and there is very little space.
www.roverdrives.com /InstallDX2.htm   (1923 words)

  
 Illustrated auto glossary; auto terms and definitions   (Site not responding. Last check: 2007-11-02)
This means that there no longer is a mechanical connection between the gas pedal and the throttle: There is a sensor connected to the gas pedal.
Overdrive allows the engine to have less rpm with higher speed for better fuel efficiency.
When you switch it on, you allow the transmission to shift into overdrive mode after a certain speed has been reached (usually 30-40 mph depending on the load).
www.samarins.com /glossary/index.html   (1005 words)

  
 Transmission Traumas? - CarSpace Automotive Forums   (Site not responding. Last check: 2007-11-02)
I called local mechanics and much to my dismay I was quoted an average of $1900 to replace it.
I am confuse too, I guess overdrive is sth can keep the gear shifting at high rpm to avoid damage to engine and tranny, when the car is over loaded.
Originally, and technically still, i guess, overdrive was a separate (planetary)gearset of sorts, so you could have an overdrive gear not only in top gear but also some of the lower gears.
townhall-talk.edmunds.com /direct/view/.ee99470/10   (643 words)

  
 Westways Magazine - Archived Issues   (Site not responding. Last check: 2007-11-02)
Don't ask a conscientious mechanic to do a half-baked job just to get you by; patch jobs are usually false economy.
And don't expect a mechanic to predict the exact moment of failure for a deteriorated component.
Chances are you won't want to lug the greasy old widget home, but at least ask the mechanic or service manager to let you inspect the old part and explain exactly why it needed replacement.
www.aaa-calif.com /westways/1199/overdrive.aspx   (1064 words)

  
 Nissan 300zx Repair Questions and Answers
When I switch the overdrive on, it stays in third gear even when the car is warmed up.
The switch and overdrive solenoid are working but I have been to several auto electricians and they cannot seem to find the fault.
Answer: The overdrive circuit is controlled by the engine temperature sensor to prevent it from going into overdrive when the engine is cold.
www.2carpros.com /makes/nissan/300zx.htm   (612 words)

  
 Guitars: Glossary
A capo (short for capotasto, from Italian, literally; 'head of fingerboard') is a movable bar attached to the fingerboard of a fretted instrument to uniformly raise the pitch of all the strings.
There are several different styles of capo available, utilizing a range of mechanisms, but most use a rubber-covered bar to hold down the strings, fastened with a strip of elastic or nylon, a cam-operated metal clamp, or other device.
Because of the mechanical nature of their operation, dynamic mics are commonly less sensitive to transients, and may not reproduce quite the high frequency "detail" other types of mics can produce.
www.sweetwater.com /shop/guitars/glossary.php   (13032 words)

  
 automobile   (Site not responding. Last check: 2007-11-02)
mechanical advantage (i.e increase in torque) to allow higher forces to be generated.
This and similar attempts to improve the fuel efficiency with overdrive gears which automatically actuate above certain speeds sometimes become intrusive, when conditions are such that they constantly cut in and out as speed and such load factors as grade or wind vary slightly.
For bicycles, the older style, in which the freewheel mechanism is included in the gear assembly, is called a freewheel, whereas the newer style, in which the freewheel mechanism is in the hub, is called a freehub.
www.gec.ac.in /~bsm/automobile/automobile.html   (13160 words)

  
 Overdrive - Wikipedia, the free encyclopedia
Maximum Overdrive, a 1986 horror film based on a novel by Stephen King
Mona Lisa Overdrive, a 1988 science fiction novel by William Gibson
Overdrive (Alternators/Binaltech), a part of the Transformers Alternators/Binaltech toy line
en.wikipedia.org /wiki/Overdrive   (324 words)

  
 Problem with Overdrive - Car Forums and Automotive Chat
When it's in overdrive though, it just sounds like something is powering down, if you can think to whatever sci-fi movie as a reference point.
I'm not sure what to think of this-it's my first car, and for all I know this could be normal, but I doubt it.
So when it goes into overdrive, it may be engaging a failed lockup clutch.
www.automotiveforums.com /t412235-problem_with_overdrive.html   (246 words)

  
 MTV Networks UK & Ireland Launches Fatband, on-demand Entertainment Service
MTV Overdrive (http://www.mtv.co.uk/overdrive) will operate an on-demand service allowing viewers to create their own playlist of shows that will automatically update week in, week out, affording viewers total control over what they watch and when they watch it.
MTV Overdrive (http://www.mtv.co.uk/overdrive) launched in April 2005 in the US, followed by the September launch of a customised service for Latin America called MTV Revolution.
MTV (http://www.mtv.co.uk) Networks is the largest television network in the world and a leading creator of programming and content across all media platforms, with 111 channels and 94 websites reaching more than 440 million households in 167 countries worldwide.
www.prweb.com /releases/2006110/4/prweb375773.htm   (793 words)

  
 Lincoln Mark VII
Can drive in low and drive, but if in overdrive or shift up to overdrive.
Can start out in overdrive but it won't speed up.
overdrive unit is the biggest problem on all the new transmissions.....
www.all-parts.com /diagnostics/mechanics/Lincoln-Mark-VII.html   (386 words)

  
 Sweetwater inSync
In mechanics, overdrive is a gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.
In audio, overdrive is generally considered to be another word for distortion or clipping.
To guitarists overdrive represents the guitar equivalent of the general or mechanical definition above.
www.sweetwater.com /insync/word.tpl?find=Overdrive   (218 words)

  
 Hamish's 101FC pages
Lastly, the addition of a range-rover overdrive unit is possible, due to the range-rover gearbox.
I like the idea of an overdrive, but I have been told that it is difficult to find one in good condition.
My Dad picks the car up from the mechanics, drives it around a little and discoveres that it is still not right and takes the car back to the mechanics.
www.zot.org /~hamish/cars/101fc   (813 words)

  
 Westways Magazine - Archived Issues   (Site not responding. Last check: 2007-11-02)
So if you drove a car 15,000 miles a year, you'd be visiting your mechanic every other month or so.
And because most folks rank car repair right up there with, say, root-canal work on the list of life's most unpleasant duties, in those good ol' days maintaining a car properly was a real pain.
But although the tune-up has become a quaint anachronism and fluids and oils have become longer-lasting, professional mechanics needn't pack up their tools and head for the unemployment lines just yet.
www.aaa-calif.com /westways/1100/overdrive.aspx   (932 words)

  
 HowardForums: Your Mobile Phone Community & Resource - Mechanics! Engine Trouble...
While it was being fixed the mechanic (my cousin) checked my car for the proper ratios and compression that my car should have, and he said everything checked out right.
My overdrive only saved me like 200 rpms, so I doubt it makes a huge difference.
I told you I unplugged the overdrive thing from the block, so yes the service engine soon light is on, but it's because the actual thing is unplugged.
www.howardforums.com /showthread.php?t=317519   (1200 words)

  
 Howstuffworks "How Automatic Transmissions Work"
In order to improve efficiency, some cars have a mechanism that locks up the torque converter so that the output of the engine goes straight to the transmission.
In this transmission, when overdrive is engaged, a shaft that is attached to the housing of the torque converter (which is bolted to the flywheel of the engine) is connected by clutch to the planet carrier.
The small sun gear freewheels, and the larger sun gear is held by the overdrive band.
auto.howstuffworks.com /automatic-transmission.htm   (2028 words)

  
 bwtf.com: Ben's World of Transformers (Alternators)
While this sculpt was intended to be an update of the G1 Transformer Overdrive, Hasbro has released the sculpt as the G1 character Windcharger.
Reflecting the country he was released in, Windcharger's steering wheel is on the left side of the dashboard instead of the right.
However, Overdrive is obscure as far as G1 characters go, and Windcharger is not exactly a headliner like Optimus Prime or Megatron.
www.bwtf.com /alternators/windcharger   (824 words)

  
 Cyberware
For purposes of game mechanics, treat the finger spikes as normal hand razors, the forearm sword as a normal sword, and the hand blade as a knife.
Reflex Overdrive modifications push certain pieces of reflex enhancing cyberware past the safe zone of normal operation.
So, if a character uses the Overdrive system twice in one day, he would recieve a Light Mental and Light Physical wound the first time, then an additional Moderate Mental and Moderate Physical wound the second time he uses the system.
udel.edu /stu-org/galadrim/srii/cyberware/cyber.htm   (1364 words)

  
 1949 VJ-3 Jeepster: Transmission and Overdrive
In 1948 the Overdrive was optional for around a hundred bucks, and it became standard in 1949.
In the Jeepsters, the Borg-Warner model R-10 Overdrive unit is mounted to the output end of the transmission and is actually a 2nd transmission.
The mainshaft on O/D units is longer than the non O/D units in order for it to act as the input shaft for the O/D. Disassembly of the T-96 is fairly straight forward and similar to the T-90 for which there are lots of sources on rebuilding.
home.att.net /~tandidickey/VJ3/trans.html   (1866 words)

  
 This Is A Wake-Up Book - by Harry Palmer
Maybe little by little over a long period, or all at once at some future time when consciousness has collapsed in on itself, over and over, and reached some critical mass.
This is the mechanism behind the idea of karma.
The intention with which you launched the creation will determine the suffering or joy you perceive as associated with the experience when it comes around.
www.avataroverdrive.com /avatar_journal/vol9_4/wake_up.htm   (1516 words)

  
 Popular Mechanics Announces Winners of Design & Engineering Awards 2001
The twenty-one winners will be featured in the December issue of Popular Mechanics magazine, on sale November 7.
The awards will be presented by Joe Oldham and Jay McGill, publisher of Popular Mechanics, to the winners at each company's corporate headquarters.
Popular Mechanics is published by Hearst Magazines, a unit of The Hearst Corporation (www.hearst.com) and the world's largest publisher of monthly magazines, with 16 U.S. titles and 101 international editions.
www.theautochannel.com /news/press/date/20001101/press029800.html   (298 words)

  
 Overdrive (mechanics) - Wikipedia, the free encyclopedia
Another British company, the former aircraft builder Fairey, built a successful all-mechanical unit for the Land Rover, which is still in production in America today.
"How Automatic Transmissions Work - Overdrive" (with a Flash interactive animation)
This page was last modified 18:01, 23 December 2006.
en.wikipedia.org /wiki/Overdrive_(mechanics)   (914 words)

  
 A Personal Experience With Avatar - by Richard Bishop
He is very refreshing-no talk of astral bodies, joining with the Divine, salvation, or call to leave the world behind.
Harry has discovered key aspects about the mechanics of consciousness and teaches them in a course that, in his words, allows you to "create the reality you prefer."
We learned about the mechanics of consciousness conceptually, and then walked the grounds to exercise our newfound knowledge experientially.
www.avataroverdrive.com /avatar_journal/vol14is2/pers_exp.htm   (672 words)

  
 Engine Sensors - Computer Sensors - ECM Sensors Questions
There is no common time of occurrence, such as only when the engine is cold or only hot etc. I have had a mechanic put the engine on an analyzer and it did not reveal any problems.
I replaced the plugs, wires, fuel filter, catalytic converter, and have added slick 50-fuel treatment along with running only 93-octane gas, none of this has solved the problem.
My car is a 1984 Nissan 300 ZX with a three speed automatic with an electronic overdrive for fourth gear.
www.2carpros.com /topics/sensors1.htm   (1100 words)

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