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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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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!





Gearbox operation with clutch
Don't forget to subscribe to our channel here http://www.youtube.com/user/MechanicsTips Covered Points: - gearbox . - splines with clutch - How it works. - one input and different output. Subscribe to our Youtube Channel: http://www.youtube.com/user/MechanicsTips -Follow us on our social links and Stay Tuned: -Facebook: http://www.facebook.com/MechanicsTips -Twitter: https://twitter.com/MechanicsTips -Google+: https://plus.google.com/111507070301836021611 -Rss (Atom): http://feeds.feedburner.com/MechanicsTips -http://mechanicstips.blogspot.com





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.





DSG Transmission - Explained
What is a DSG transmission? How does a direct shift gearbox work? A DSG transmission is a dual clutch transmission used by Volkswagen. A DSG uses two wet, multi-plate clutches to activate separate drive shafts which send torque via the even or odd gear sets. Because the gear sets are on separate shafts, this allows for preselecting the next gear, allowing for nearly instantaneous gearshifts without a total loss in torque. DSG tranmissions operate a lot like manual transmissions, but they are electronically controlled and thus the gear selection can be either automatic or manual, but does not require the use of a clutch pedal as this is all activated automatically. Related Videos: Dual Clutch Transmission - http://youtu.be/oOciX6kdexE VR6 Engine - http://youtu.be/Y0LKWt3Ttic Humble Mechanic: https://www.youtube.com/user/HumbleMechanic Please feel free to rate, comment, and subscribe! And don't forget to check out my Facebook page: http://www.facebook.com/engineeringexplained To help create more videos, check out my Patreon page! http://www.patreon.com/engineeringexplained Also check out my official website: Make suggestions, participate in forums, learn through logically ordered lessons, read FAQs, and plan your future! http://www.howdoesacarwork.com Now on Twitter: http://www.twitter.com/jasonfenske13 NEW VIDEO EVERY WEDNESDAY!





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