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H Drive Racing Dog Box Transmissions - TOYOTA VITZ SEPANG CIRCUIT

H.DRIVE RACING Products Website: http://www.hdrive-racing.com Email: info@hdrive-racing.com Dog Box Transmission on Toyota VITZ Super 1500 - SEPANG INTERNATIONAL CIRCUIT H.Drive Racing Dog Box Transmissions Dog engagement is normally used in racing applications where fast, precise shifting is needed. Dog gear engagement is facilitated by numerous large teeth (dogs) that mate into matching openings machined into the opposite surface of the drive gear. Unlike the synchro engagement, there is no synchronizing mechanism to assist in equalizing speed. Ideal gear selection—e.g. minimal clashing and wear of the dog rings—is achieved by quick shifts; the motto here is "the quicker the better", so bang away. There is no depressing the clutch in the conventional sense like with the synchromesh transmission. A momentary break in engine load until the shift is achieved by a quick throttle blip or clutch depression. The driver will then experience the dog ring engaging with the next gear and the throttle can be reapplied. With practice this can be done in milliseconds. In fact, a driver can preload the stick shift in the direction of the next shift, and then when he either blips the throttle or clutch the shifter will quickly click in the desired gear. With all else equal, dog-engagement gears are much stronger than synchro-engagement gears because without needing to make space for synchro rings, the gears themselves can be made thicker. The number of dogs (teeth) and the size of the openings determine the window of opportunity that the dogs have to engage during the shift event. Rings with a smaller number of teeth provide a more efficient, smoother shift quality. The downsides to this easier engagement are increased noise and abruptness on the shift.


 


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1st cruise with dogbox & HKS T51R,
First night out testing my new PAR dogbox. 1st to 3rd straight cut gears with dog engagement, 4th helical gear with dog engagement, 5th standard.





Car Transmissions & Synchromesh: "Spinning Levers" 1936 Chevrolet Auto Mechanics 10min
more at http://auto-parts.quickfound.net/ Auto mechanics playlist: http://www.youtube.com/playlist?list=PLCED11EACAE477F6C '"The transmission in the modern motorcar -- the mechanism that makes it possible to have three forward speeds and a reverse -- is a series of levers, levers that spin." VS cartoon of Archimedes trying to move earth with a lever extending from the moon or another planet in outer space; CU cartoon of Archimedes says "Give me a lever long enough and I can move the world." CU disembodied hands using antique can opener to open a can of peaches; CU can open cutting through top of can. Two boys playing on a seesaw. CU pitch bar tool inserted between train wheel and track; man cranks large lever to move freight car along track; CU disembodied arm pumps lever lifting antique car off ground. VS man demonstrates basics of the lever using triangular piece as fulcrum and a long metal piece, man attaches 10 lbs. weight to one end of the bar and a 5 lbs. weight to the other end; man hangs various weights from both ends of the bar balancing the two by moving the fulcrum to various points along the bar; man demonstrates how a gear is constructed through numerous interlocking levers. VS stop-motion animation of two wheels with paddles added one by one turning wheels into paddle wheels and then into interlocking gears; cuts to more sophisticated gear; cuts to metal gears; VS CU different types of machine gears, worm gears, bevel gears, lopsided gears. Disembodied arm pieces together piece by piece a basic motor with various gear components; superimposed text appears labeling various parts; superimposed arrows identify different gears; motor begins to turn; cuts to CU car drives across frame; cuts back to crude motor; camera pans to Revolutions Per Minute dial which reads 100 rpm, camera pans to another RPM instrument dial which reads 30 rpm; CU crude model of gears in motor, superimposed arrows show flow of energy through the system. CU RPM instrument dial reads 60 rpm; CU churning gears of motor, superimposed arrows she flow of energy through gear system; VS man demonstrates on gears how shifting to various gears works. CU arrow point to 90 rpm on deal labeled Revolutions Per Minute; VS man demonstrating different gears. Great shot 4 lanes of cars stopped at stoplight on city street; Travel Bureau sign in background. CU disembodied hand in white glove shifts clutch of car; CU motor shifting gears; CU tire with Chevrolet hubcap begins to move; 1920s and 1930s cars stopped at traffic light begin to move; CU inside car woman shifts gears; car driving down tree-lined highway in possibly New York, what appears to be the Statue of Liberty is seen off in the distance. Woman enters drivers seat of Chevrolet, man waves start flag; car drives off down street; CU disembodied woman's foot on gas pedal beside break and clutch pedal with Chevrolet logos; CU speedometer shows car hitting 60 mph; CU woman downshifts; CU speedometer goes down to 35 mph; car stops at bottom of hill. CU sign along rugged road 'Steep Hill Use Second Gear"' Public domain film from the Library of Congress Prelinger Archive, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied. The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and equalization (the resulting sound, though not perfect, is far less noisy than the original). http://en.wikipedia.org/wiki/Transmission_(mechanics) A machine consists of a power source and a power transmission system, which provides controlled application of the power. Merriam-Webster defines transmission as: an assembly of parts including the speed-changing gears and the propeller shaft by which the power is transmitted from an engine to a live axle. Often transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device... Manual Manual transmission come in two basic types: - a simple but rugged sliding-mesh or unsynchronized / non-synchronous system, where straight-cut spur gear sets are spinning freely, and must be synchronized by the operator matching engine revs to road speed, to avoid noisy and damaging "gear clash", - and the now common constant-mesh gearboxes which can include non-synchronised, or synchronized / synchromesh systems, where typically diagonal cut helical (or sometimes either straight-cut, or double-helical) gear sets are constantly "meshed" together, and a dog clutch is used for changing gears. On synchromesh boxes, friction cones or "synchro-rings" are used in addition to the dog clutch to closely match the rotational speeds of the two sides of the (declutched) transmission before making a full mechanical engagement...





MTI Racing Six Shooter Sequential Transmission
Shot by ChadBee Photography at Atlanta Motorsports Park. MTI Racing proudly announces their new Six Shooter Sequential Transmission Conversion System. This conversion comes complete with everything you will need for no-lift, clutch-less upshifts and automatic rev-matching down shifts. The conversion system is comprised of: - sequential transmission - shifter - shift linkage - load cell shift knob - neutral/reverse lockout - electronic control unit (ECU) Corvette platforms currently supported include: C5, C6, C6 Z06, and ZR1. The upgraded transmission fits without vehicle modification and bolts directly to a factory differential and driveline. MTI Racing has partnered with Pfitzner Performance Gearboxes (PPG) for this exciting endeavor. PPG is an Australian based company with a well-built reputation as being one of the world's leading providers of gears for track and motorsports. Specifically, PPG supplies many of the gears for the Australian V8 Super Cars Series. With over 600 HP, these cars see massive abuse every time they take the track. Think how long it takes to blink your eye just once; the average speed is about 300 milliseconds. With shift times as low as 50 milliseconds, gear changes are done in a fraction of the time that it takes to complete one blink of the eye. This gives you, the driver, the ability to shift faster than other drivers and creates a true competitive edge over your opponents. While the full video is still in production, enjoy the intro video created from our exciting test program. Stay tuned for updates!





Part 2: Honda Dogbox Transmission Assembly Information
KAIZENSPEED / KStuned.com informational video for proper assembly of a Honda transmission with aftermarket gearsets





318 Dogbox
race





512whp LSX/Dogbox/Quick Change 240sx Drifting - Drift Union Invitational 2013
RAW GoPro footage of the Independent Speed Shop/Autosport Dynamics 240sx drift car at Penticton Speedway's 2013 Drift Union Invitational event. First competition with the car and it takes home a 1st place victory in the team tandem event, keep posted at www.brodygoble.com





Super Wide body Honda EG4. Killing Race Cars At Sepang International Circuit
Race 2 at Sepang International Circuit. Car is severely underpowered so I battled it out with late braking and cornering in higher speed than I usual do.





H Drive Racing Close Gear Ratio Transmissions - HONDA EK9 K20A
H.DRIVE RACING Products Honda Civic Type R EK9 K20A H.Drive Racing Close Gear Ratio H.Drive Racing Final Drive H.Drive Racing Super Single Clutch H.Drive Racing Limited Slip Differential (LSD) H.Drive Racing R Spec Damper Website: http://www.hdrive-racing.com Email: info@hdrive-racing.com





Engine Building Part 3: Installing Crankshafts
This video is about preparing the block, bearings, and crankshaft for installation and how to check bearing clearances.





Pfitzner Performance Gearbox - How to drive a dog box
The creator of these world class gear sets Simon Pfitzner, takes you through a few ways to drive a dog engagement gearset in a street application. Applications Include: Nissan R32 GT-R Subaru WRX Holden Commodore T56 Its quite a simple process, once you know how, you should get years of faithfull service out of your new gear set.





Dogbox Racing Evo 2013 Dsm/Evo Shootout Trip
Alex and the Dogbox Racing Evo. These were all his passes from the weekend. Congrats on getting the car running the week of, and then going on to win the Shootout! Talk about a consistent 8 second car. Taking the long way every time!





Last Ditch Racing: Subaru transmission abuse
What happens when you launch an Open Class rally car, "hard," on pavement?! Don't watch if you don't want to know. I'll give you a clue-you don't go anywhere-in first anyway! ;-) Like opening a crypt, you get to see it just like we did. Like a post-mortem on NCIS or CSI, Drew cracks the case.....just apply money.....





Sequential Gearbox - Explained
How does a sequential gearbox work? How do Formula 1 transmission work? In this video I explain the complexities behind a sequential transmission. Please feel free to rate, comment, and subscribe! And don't forget to check out my Facebook page: http://www.facebook.com/engineeringexplained Also check out my official website: Make suggestions, participate in forums, enter for Car of the Month, learn through logically ordered lessons, read FAQs, and plan your future! http://www.howdoesacarwork.com NEW VIDEOS EVERY WEDNESDAY!





H Drive Racing Dog Box Transmissions - TOYOTA VITZ BIRA CIRCUIT
H.DRIVE RACING Products Website: http://www.hdrive-racing.com Email: info@hdrive-racing.com Dog Box Transmission on Toyota VITZ Super 1500 - BIRA CIRCUIT H.Drive Racing Dog Box Transmissions Dog engagement is normally used in racing applications where fast, precise shifting is needed. Dog gear engagement is facilitated by numerous large teeth (dogs) that mate into matching openings machined into the opposite surface of the drive gear. Unlike the synchro engagement, there is no synchronizing mechanism to assist in equalizing speed. Ideal gear selection—e.g. minimal clashing and wear of the dog rings—is achieved by quick shifts; the motto here is "the quicker the better", so bang away. There is no depressing the clutch in the conventional sense like with the synchromesh transmission. A momentary break in engine load until the shift is achieved by a quick throttle blip or clutch depression. The driver will then experience the dog ring engaging with the next gear and the throttle can be reapplied. With practice this can be done in milliseconds. In fact, a driver can preload the stick shift in the direction of the next shift, and then when he either blips the throttle or clutch the shifter will quickly click in the desired gear. With all else equal, dog-engagement gears are much stronger than synchro-engagement gears because without needing to make space for synchro rings, the gears themselves can be made thicker. The number of dogs (teeth) and the size of the openings determine the window of opportunity that the dogs have to engage during the shift event. Rings with a smaller number of teeth provide a more efficient, smoother shift quality. The downsides to this easier engagement are increased noise and abruptness on the shift.





How to shift gears 18 speed
After a few requests a quick walk through on how I shift gears.





Which car is faster? Which Car is Faster?




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