Using Stepper Motors for Wheeled Robot Propulsion.A few years back, I became interested in attempting to propel a wheeled robot using stepper motors.This is not the usual method for propelling a robot.A more typical approach is to use two traditional DC motors.Individual differences in the two DC motors are then accommodated by optical feedback that provides data which can be used to match the speed of the two motors.The characteristics of stepper motors that appealed to me were their ability to precisely turn a wheel at a calculated distance and their ability to brake.Stepper motors are not a panacea for robot propulsion.They are heavier, use more power, and have far less torque than traditional DC motors.In addition, they cannot be operated at great rotational speeds and the faster they run, the less torque they have.One needs to be careful in selecting a stepping motor.It has to have enough holding torque for robot propulsion.In general, you will find the weight and size of a stepper motor needed to drive a given size robot larger than traditional DC motors.Stepper motors come in two basic types bipolar and unipolar.Bipolar stepper motors need drivers that can alternately supply current in both directions through the motors coils, while unipolar stepper motors always run the current in one direction through the coils which also means a simpler driver circuit.We will only be discussing unipolar stepper motors in this article.Stepping motors are a very different animal compared to traditional DC motors.A good overview of stepper motors can be found at http en.Steppermotor.In addition, I noticed several universities are using an early copy of a ThomsonAirpax catalog which contains a very good review of stepping motors.A couple of URLs for this are www.EElabsEE2.EE2.Stepper2. 0Motor2.ResourcesAirpaxCatalogIdx.Airpax.Catalog. pdf.There is also a brief version at www.Antivirus firm Avast has admitted inadvertently distributing a trojanised version of CCleaner, a popular PC tuneup tool, for nearly a month, infecting an estimated 2.This site uses cookies for analytics, personalized content and ads.By continuing to browse this site, you agree to this use.Bombas De Agua Manuales Guatemala Currency .Learn more. The Hardware.I constructed two robots using stepper motor propulsion.I used seven inch round, 14 inch thick expanded PVC for the base of my small model.Included in the download material at the article link are some basic drawings of the seven inch robot.For this small robot, I used two Airpax MA8.These stepper motors can still be found surplus and e.Bay sometimes has them.They are rated at 1.Another choice could have been a Mercury Motor 5.BYGH2.I have used this Mercury motor in a barn door camera mount which rotates a camera at the same speed as the Earth revolves, allowing for photographing the stars.The holding torque in general, its strength is somewhat greater than the Airpax model.The larger robot used two 1.PVC for its body.I used larger Bodine stepper motors rated at 1.These motors are 2.I previously used PICAXE and BASIC Stamp microcontrollers for these robots, but am now updating them with Arduino boards.This article will describe the use of an Arduino Mega 2.KW-_o2k7Ld8/TwvQIz81dUI/AAAAAAAAAmc/kDVTRqtgi1M/s1600/Melindungi+File+di+Flash+Disk+Dengan+Rohos+Mini+Drive4.png' alt='Goldmine Drivers And Downloads' title='Goldmine Drivers And Downloads' />Wall Street Was Happy When People Lost Their Health Care Wall Street responded positively when a company left the ACA system and 100,000 people lost their.Explore research at Microsoft, a site featuring the impact of research along with publications, products, downloads, and research careers.Airpax MA8.The first decision to make is how to drive the stepper motors.The Arduino cannot drive the steppers directly.You must either use one of the stepper motor driver ICs available, or simply use power transistors or MOSFETs for driving the stepper motor directly.Two stepper motor IC drivers I have used are the UCN5.B which is rated at 5.SLA7.M rated at three amps.These circuits are very convenient in that you simply connect the stepper motor to them and send control signals to a timing clock, forwardreverse, speed, etc.On the other hand, we can simply drive a stepper motor with four power transistors or MOSFETs, along with four diodes to protect the transistors from the back inductive kick of the motor windings.I used the simple four transistor method with BUZ1.A MOSFETs and compensated by writing a software package for the Arduino that does the necessary controlling.The advantage of using the power transistors is that the circuit can be used for stepper motors requiring higher current.In addition, the exercise of writing the necessary software will help to better understand the operation of the motors.It is not unusual to run stepper motors higher than their ratings within reason.Not all the windings have current going through them at the same time, so the problem of heat dissipation when running at a slightly higher voltage is usually not a problem.I used two 7.Ni.Cad batteries in series to drive the stepper motors, and tapped off 7.Arduino board.Figure 1 is the schematic of the dual stepper motor driver.FIGURE 1.Schematic of the stepper motor driver.In addition to the Arduino driving the stepper motor, the circuit also interfaces with two servo motors which operate a pan and tilt platform which has a PING sonar device mounted to it.Because of the large number of connections, I designed a shield a board that plugs into the Arduino Mega 2.My choice of printed circuit board PCB manufacturers was Express.PCB.They provide easy to use software and have a special service called Miniboard that provides three boards 3.Arduino shield.FIGURE 2.Close up of the printed circuit board that mounts the driver circuitry the Arduino Mega 2.The board mounts the MOSFETs, the gate resistors, reset switch, terminal blocks for easy connectdisconnect of the stepper motors, and six three pin headers for easy plug ins for the servo motors and PING sonar.The Express.PCB file is included at the article link.Along with the voltage and current ratings of a given stepper motor, the step angle in degrees is also provided.In the case of the Airpax MA8.So, the shaft on the stepper motor will turn 7.Dividing 3.So, if the shaft of the stepper motor is connected directly to a wheel, one full rotation will move the robot ahead the same distance as the circumference of the wheel.The wheels used are 3 12 inch smooth model airplane versions.I chose these because they were the right size.A better choice would have been wheels with some tread on them as the smooth ones tend to slip a little especially on carpet.I constructed simple wheel couplings from 12 inch aluminum rod, then placed a threaded hole in the end to attach the wheel, and a threaded hole in the side for a set screw to attach to the stepper motor shaft.The Software.So, how do you get a stepper motor to move one step Take a look at Table 1.There are four coils in the stepper motor and current is selectively passed through specific coils in a pre determined pattern which is provided on the stepper motors datasheet.Each new sequence produces one step a 7.Table 1 shows the patterns for one step that will turn the shaft clockwise.If the order of the pattern is reversed, the shaft will turn counter clockwise.Step.Q4. Q3. Q2.Q1. 1Off.On. On.Off. 2On. Off.On.Off. 3On. Off.Off.On. 4Off. On.Off.On. 1Off. On.On.Off. TABLE 1. Table 2 lists a sequence of eight different patterns called the half step sequence.So, sending this sequence will rotate the shaft one half of the step angle or 3.Step.Q4. Q3. Q2.Q1. 1Off.On. Off.Off. 2Off.On. On.Off. 3Off.Off. On.Off. 4On.Off. On.Off. 5On.Off. Off.Off. 6On.Off. Off.On. 7Off.Off. Off.On. 8Off.On. Off.On. 1Off.On. Off.Off. TABLE 2.The last sequence is shown in Table 3 which is called the wave sequence.This sequence produces the same rotation as that of Table 1 but with a reduction in power, along with a reduction in holding torque.Step.Q4. Q3. Q2.Q1. 1Off.Off. Off.On. 2On.Off. Off.Off. 3Off.Off. On.Off. 4Off.On. Off.Off. 1Off. Package Solution Wizard Install Sub Folder . Off. Off.On. TABLE 3.
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Littoral combat ship Wikipedia.USS Freedom on sea trials in February 2.The littoral combat ship LCS is a class of relatively small surface vessels intended for operations in the littoral zone close to shore by the United States Navy.It was envisioned to be a networked, agile, stealthy surface combatant capable of defeating anti access and asymmetric threats in the littorals.The Freedom class and the Independence class are the first two LCS variants.Both are slightly smaller than the U.S. Navys guided missile frigates and have been likened to corvettes.They have the capabilities of a small assault transport, including a flight deck and hangar for housing two SH 6.MH 6. 0 Seahawk helicopters, a stern ramp for operating small boats, and the cargo volume and payload to deliver a small assault force with fighting vehicles to a roll onroll off port facility.Standard armaments include Mk 1.RIM 1. 16 Rolling Airframe Missiles.They are also equipped with autonomous air, surface, and underwater vehicles.Possessing lower air defense and surface warfare capabilities than destroyers, the LCS concept emphasizes speed, flexible mission modules and a shallow draft.The first littoral combat ship, USS Freedom, was commissioned on 8 November 2.Combat Mission Shock Force Full Game Download' title='Combat Mission Shock Force Full Game Download' />Veterans Park, Milwaukee, Wisconsin.The second ship, and first of the trimaran design, USS Independence, was commissioned on 1.January 2. 01. 0, in Mobile, Alabama.In 2. CNO Jonathan W.Greenert stated that LCSs would be deployed to Africa in place of destroyers and cruisers.In 2. Navys requirement for LCS ships was progressively cut from 5.In late 2. 01. 4, the Navy proceeded with a procurement plan for enhanced versions of the LCS and upgraded older ships to meet the programs 5. Robbins Convertible Tops . LCS will be redesignated as FF or frigate.In December 2. Background The current combat operations in Iraq and Afghanistan have involved U.S. military personnel in major ground combat and hazardous security duty.Studies are. Secretary of Defense.Ashton Carter ordered the Navy to reduce planned LCS and FF procurement from 5.Liniya_fronta_Bligniy_Vostok_2.jpg' alt='Combat Mission Shock Force Full Game Download' title='Combat Mission Shock Force Full Game Download' />FY 2.In July 2. Navy released a request for information for a new multi mission guided missile frigate that can perform the same roles as the LCS while having better offensive and defensive capabilities.Almost any existing design that can be adapted to FFGX requirements can be considered, extending beyond versions of the two LCS hulls.Star Wars Knights of the Old Republic II The Sith Lords screenshots.Includes downloads, cheats, reviews, and articles.Design featureseditThe concept behind the littoral combat ship, as described by former Secretary of the Navy.Gordon R. England, is to create a small, fast, maneuverable and relatively inexpensive member of the DDX family of ships.The ship is easy to reconfigure for different roles, including anti submarine warfare, mine countermeasures, anti surface warfare, intelligence, surveillance and reconnaissance, homeland defense, maritime intercept, special operations, and logistics.Due to its modular design, the LCS will be able to replace slower, more specialized ships such as minesweepers and larger assault ships.Port aft view of an Independence class LCSMost of the mission modules functions are performed by carried vehicles such as helicopters or unmanned vehicles such as the Spartan Scout, ANWLD 1 RMS Remote Minehunting System and MQ 8.B Fire Scout as part of the Navys goal to unman the front lines.Performing functions such as sonar sweeps for mines or submarines as well as launching torpedoes against hostile submarines at a distance from the ship is less risky.Placing sensors on remote vehicles allows the LCS to exploit concepts such as bistatic sonar.DARPAs Tactically Exploited Reconnaissance Node TERN program aims to build a Medium altitude long endurance unmanned aerial vehicle MALE UAV that can operate from LCS 2 and can carry a payload of 6.A report in 2. 01.Pentagons director of Operational Test and Evaluation found that neither design was expected to be survivable in a hostile combat environment and that neither ship could withstand the Navys full ship shock trials.The Navy responded that the LCS is built to a Level 1 survivability standard and that the ships will rely on warnings from networks and speed to avoid being hit, or if hit be able to limp to safety.Jonathan Greenert said that the crew would conduct an orderly abandon ship if their ship was struck by enemy fire, an action that might not be necessary on other vessels in the same circumstances.The ships were designed to minimize vulnerability with modern automated damage control systems to perform its mission, then withdraw from the area under its own power.The combat abilities of the LCS were said to be very modest even before the cancellation of the XM5.Non Line of Sight Launch System.The Independence variant reportedly has better helicopter facilities and more internal space while the Freedom variant is said to be better able to launch and recover boats in high seas.Admiral Gary Roughead said that a mix of both types would be operationally advantageous.In April 2. 01. 2, Chief of Naval Operations Greenert said, You wont send it into an anti access area, rather groups of two or three ships are intended to be sent into areas where access is jeopardized to perform missions like minesweeping while under the cover of a destroyer.The LCS main purpose is to take up operations such as patrolling, port visits, anti piracy, and partnership building exercises to free up high end surface combatants for increased combat availability.Navy Secretary Ray Mabus clarified that the ship could operate in combat areas while under the protection of other warships.The LCS utility against high tech enemies would be when working with and being covered by destroyers, like they do with aircraft carriers.With destroyers providing extended air and missile defense, the cheaper one fourth the cost of a destroyer and more numerous LCS can sweep for mines and deploy more sophisticated submarine detecting sonar.Following the decision to arm the LCS with anti ship missiles, Navy wargames showed the adversarys risk calculus was radically changed, devoting more reconnaissance assets to trying to locate the smaller ships and sustaining heavier losses.The ships are planned to have a 3 2 1 manning concept.That is three ship crews, and two hulls for each ship that is on station at any time.The other ship and other two crews who are not on deployment will either be preparing for deployment or in rotation in or out of theater.The result is a 5.The ships were predicted to fall short in manning.The Navy has deployed ships with berthing modules in the mission bays in order to carry the crew required for operations.However the ships are designed with sufficient headroom to change from 2 high bunking to 3 high bunking, which would allow crew sizes of 1.The LCS is the first USN surface combatant class in a generation to not use the Aegis Combat System, though Aegis equipped variants have been offered to foreign customers.They have suffered from problems in their communications and radars and will require refits in these areas.The LCS is unable to defend themselves effectively against anti ship cruise missiles, which are commonly employed in the littorals,3.Mission modulesedit.Trimaran hull of an Independence class LCSThe LCS is reconfigured for various roles by changing mission packages, each of which includes mission module equipment weapon systems, sensors, etc., carried craft and mission crews.Modules include Anti submarine warfare ASW, mine countermeasures MCM, surface warfare SUW, and special warfare missions.The MCM and SUW modules are planned to reach initial operating capability in Fiscal year 2.ASW module in FY2.Module changes were envisioned to allow a single LCS to change roles in a matter of hours at any commercial port allowing it to rapidly optimize effectiveness against a threat.A report from the Office of the Chief of Naval Operations OPNAV on a January 2.LCS ships with a single module, with module changes being a rare occurrence.In 2. 01. 4, Independence switched from mine to surface warfare modes in 9.In an 8 September 2.Navy revealed a radical change in operations and organization plans for the LCS.Of the 2. 8 Flight 0 ships built or on order, the first four, two of each class, will be turned into training ships and the remaining 2.Freedom class based at Naval Station Mayport, Florida and three divisions of the Independence class based at Naval Station San Diego, California.Free Online Game Lists, Reviews, News Videos, Giveaways, and Forum.We have partnered 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AUTOUPDATESMYORACLESUPPORTUSERNAME.AUTOUPDATESMYORACLESUPPORTPASSWORD oraclenode.Installer help run.Installeroraclenode.Installer help. Preparing to launch Oracle Universal Installer fromtmpOra.Install. 20. 15 0.PM. Please wait. oraclenode.Usage. run. Installer optionslt Command.Line. VariableValue Where options include.Version of Cluster ready services installed.Location lt Path.Used onlyfor cluster installs, specifies the path to the crs home location.Specifying this overrides CRS information obtained from central inventory.Ptr. Loc lt full path of ora.Inst. loc. Unix only.To point to a different inventory location.The orainst. loc filecontains.Loc lt location. Path where Java Runtime Environment is installed.OUI cannot be run without it.Level lt level To filter log messages that have a lesser priority level than lt level.Valid options are severe, warning, info, config, fine, finer, finest, basic, general, detailed, trace.The useof basic, general, detailed, trace is deprecated.File lt location offile.Specify location of oraparam.OUI. response. File lt Path.Specifies the response fileand path touse.Home. For attaching homes to the OUI inventory.Indicates that the Oracle home specified ison cluster file system shared.This is mandatory when localis specified so that Oracle Universal Installer can register the home appropriately into the inventory.For making an Oracle Home copy match its current environment.For getting the debug information from OUI.Home. For detaching homes from the OUI inventory without deleting inventory directory inside Oracle home.Rolling. Upgrade.Used in cluster environment, to enable upgrade of a product on a subset of nodes on which the product was installed.Sys. Prereqs. Execute system pre requisite checks andexit.Allowing silent mode installation into a non empty directory.Displays above usage.Sys. Prereqs. For ignoring the results of the system pre requisite checks.Performs the operation on the local node irrespective of the cluster nodes specified.Log debug information fordisk usage.Log debug information for memory usage.Log debug information for time usage.For performing relink actions on the oracle home.Usage relink maketargetsxml lt location of maketargetsxml makedepsxml lt location of makedepsxml namevalue silent.For silent mode operations, the inputs can be a response fileor a list of command line variable value pairs.Installer will wait for completion instead of spawning the java engine and exiting.Pre. Copy. Script.Suppress the execution of precopy script.Untrusted. Certificates.Accept untrusted certificates from a secure site.Post. Copy. Script.Suppress the execution of postcopy script.Do notexecute config tools.For suppressing display of messages to console.Console isnot allocated.Cluster. To install the Oracle clusterware inorderto form the cluster.Path. Unix specific option.Used onlyfor cluster installs, specifies the path to the remote copy program on the local cluster node.Path. Unix specific option.Used onlyfor cluster installs, specifies the path to the remote shell program on the local cluster node.Prereqs. Toexecuteonly the prerequisite checks.Prereq. To ignore running the prerequisite checks.Internal. Driver.Error. To ignore any internal driver errors.Updates. To download updates only.Progress. To show the installation progress on the console.This optionis supported onlyincaseof silent installation.Command Line Variables Usage.Command line variables are specified using lt namevalue for example.Name comp. Name version variable.Name value. Of. Variable.SessionInstaller variables are specified using.Namevalue. Ex 1 session ORACLEHOMENAMEOra.Home. Ex 2 ORACLEHOMENAMEOra.Home. The lookup orderis session var.Name then just var.Name. The session prefix is used to avoid ambiguity.Component variables are specified using.Internal. Name Version var.Name. Ex 1 oracle.NameVar. Value. Ex 2 oracle.NameVar. Value. The lookup orderis comp.Internal. Name Version var.Name, then comp. Internal.Name var. Name, then just var.Name. oraclenode.Installer silent ignore.Sys. Prereqs show.Progress response.File homeoracledbinstall.Prereqprerequisiteshow.Progressresponse.Fileoraclenode. Installer silent ignore.Prereq show. Progress response.File homeoracledbinstall.Starting Oracle Universal Installer.Checking Tempspace must be greater than 1.MB. Actual 3. 07.MB Passed. Checking swap space must be greater than 1.MB. Actual 3. 99.MB Passed. Preparing to launch Oracle Universal Installer fromtmpOra.Install. 20. 15 0.PM. Please wait. oraclenode.WARNINGINS 3. 20.The Central Inventory is located in the Oracle base.CAUSE The Central Inventory is located in the Oracle base.ACTION Oracle recommends placing this Central Inventory in a location outside the Oracle base directory.WARNINGINS 3. 00.The ADMIN password entered does not conform to the Oracle recommended standards.CAUSE Oracle recommends that the password entered should be at least 8 characters in length, contain at least 1 uppercase character, 1lowercasecharacterand.ACTION Provide a password that conforms to the Oracle recommended standards.You can find the logof this install session at.Inventorylogsinstall.Actions. 20. 15 0.PM. log. Preparein progress.Done. Prepare successful.Copy files in progress.Done. Done. Done.Done. Done. Done.Done. Done. Done.Done. Copy files successful.Link binaries in progress.Link binaries successful.Setup files in progress.Done. Setup files successful.The installation of Oracle Database 1.Please checku. 01apporacleora.Inventorylogssilent.Install. 20. 15 0.PM. logfor more details.Oracle Net Configuration Assistant in progress.Done. Oracle Net Configuration Assistant successful.Oracle Database Configuration Assistant in progress.Done. Oracle Database Configuration Assistant successful.Execute Root Scripts in progress.As a root user, execute the following scripts.Inventoryorainst.Root. sh. 2. u. 01apporacleproduct1.Done. Execute Root Scripts successful.Successfully Setup Software.Inventoryorainst.Root. sh 2. u.Inventorylogsinstall. Cameron Surgery Textbook Free Download . Actions. 20. 15 0.PM. logdbcaoraclenode.Only custom. Create lt command lt options lt command options response.File lt response file continue. Roof Ventilation with Turbine Vents.Roof Ventilation With Turbine Vent TIPSRoof Rage.The roof ventilation rage over the past fifteen years has been continuous ridge and soffit ventilation.These systems are nearly invisible and they create a system through which air enters your attic space and then gently floats through the attic space.The best return on investment for protecting the longevity of your home is the proper installation of a balanced ventilation system with the proven performance and.Turbine vents can replace the hot air in your attic in minutes.Mother Nature blows across the fins in the roof turbine vents as they exhaust the heat build up.But Ive discovered over the years theres a much better product to use to ventilate an attic.Unicorns and Rainbows.The companies that make the ridge ventilation products claim that no matter what the time of year, the air exits the attic space through small gaps at the peak of the roof.Ive tested this claim, or hypothesis, and it doesnt work in the summer time.IMPORTANT TIP Ill explain more in a moment, but realize that hot air rises, it doesnt go down.At the peak of your roof theres a gap in the wood sheathing.This gap is covered with any number of different products that allow air to pass, but prohibit rain, snow and insects from entering your attic area.You cant see these vents as they are almost always covered by the roofing shingles at the peak.Mc_Addition_3012_DJFs.jpg' alt='How To Install Vents Metal Roof' title='How To Install Vents Metal Roof' />CLICK HERE to get FREE FAST BIDS from local roofers who can install turbine vents in an hour or less.Ridge Vent Gap Video.Watch the video just below to see this gap.Youll see it about 1 4.If you want to advance to that point, just do so.Realize this gap you see is where the air comes out of the underside of the roof.Physics of Hot Air.The mechanics of the air movement are quite simple.During warm weather, the air inside your attic heats up.Since warm air rises, it tends to float out of the highest ventilation spaces.As air leaves your attic, more air has to replace it.The conventional wisdom is to put in soffit vents down at the bottom of the roof so the replacement air can enter here and flow up under all the roof sheathing.This convection movement naturally draws in cooler outside air to replace the air that just exited.Wind Vacuum.Wind that blows across the roof anytime of year also acts to vacuum air from the attic space.The wind blowing across a roof can create a partial vacuum on the leeward side of a roof.Update Services Group Policy Settings Are Not Accessible Hard .When the wind blows and at the right angle a significant amount of air can be pulled through the attic space by the vacuum created as wind blows across the peak of the roof covered with a ridge vent.The Incense Test.I loved taking physics in high school and college.There I discovered that hot air rises and cold air falls down.Mc_Addition_3013_DJFs.jpg' alt='How To Install Vents Metal Roof' title='How To Install Vents Metal Roof' />Install metal roof flashing from the inside using a Kozy Kollar.Works on any roof and can be installed in any weather without climbing on the roof.For a ridge vent to work, the hot air has to rise up to the peak under the shingles, then it needs to go down several inches in altitude to get out of the ridge vent.That seemed impossible to me.I decided to test it.I went up into my attic on a blistering hot day around 1 pm.The sun had been beating on my roof for hours and it was probably 1.F up there.I made sure there was no wind outdoors.It was a calm humid Cincinnati summer day.I lit a stick of incense and held the stick about 1.Smoke from the incense floated lazily up but it was NOT drawn out of the ridge vent.It just sat up near the peak of the roof.Turbine Vents The Best.In my opinion, theres a better ventilation method that pulls vast quantities of air from an attic space.Its the common turbine vent.Some people call them whirly birds or whirlybirds.These balance ventilators have a dome that spins on high quality ball bearings.Just hot air rising out of one will make it spin.If the wind is blowing and catches the fins, then the turbines act like giant vacuum pumps sucking hundreds of cubic feet of hot air out of an attic per minute.The faster the wind speed, the faster the turbine rotates.This is a standard turbine vent.They come in different colors.Some have external braces.This one you see is Made in the USA.CLICK THE IMAGE TO ORDER ONE OF THESE GREAT TURBINE VENTS.CLICK HERE to get FREE FAST BIDS from local roofers who can install turbine vents in an hour or less.Time Tested.Turbine vents have been used for many years in both residential, commercial, agricultural and industrial buildings.The vents are very affordable, easy to install, and they pump vast amounts of air from attic spaces.CLICK HERE to see an assortment of turbine vents that Ive used on my jobs.Made in the USA Small Turbine Lots Of Air.A small 1.A single 1. 4 inch diameter turbine vent that is subjected to 1.If the winds are still, the vents still allow air to drift up and out of the attic space, although not nearly as much.Attic Air Change.Those amounts of air might not mean much to you at first blush.But consider a moderately sized home whose attic space is 3.This attic space contains 1.A single 1. 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The 1. 4 inch diameter unit could provide a complete air change in the attic every 1.Imagine what happens if you install two or three of these simplistic turbine vents on the back side of your roof out of view Leak Proof Installation.The roofer your builder hires can install a turbine vent in less than 1.The average cost of a high quality turbine vent is just 5.The best ones provide years of maintenance free service since they have permanently sealed ball bearings.Roof Flashing Video.Watch this video of me installing a bathroom vent fan hood.Its the EXACT SAME process for a roof turbine vent.Nothing about the install is different.If your roof is not too steep and you have asphalt shingles, this is a DIY project.Once again, watch this video and imagine Im installing a turbine vent.The base flashing of the turbine vent is IDENTICAL to the bath fan flashing youll see.CLICK HERE to get FREE FAST BIDS from local roofers who can install turbine vents in an hour or less.No Leaks. 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