WHAT IS A DOG BOX ? - 90'S DTM GEAR SIMULATION IN R3E - [EXPOSED]
204What is a dog box ? In this video we explain what a dog box is and more importantly how to Shift gear when a car has a DOG BOX such as the 90's DTM cars in Race Room Racing experience !
Also be careful not to confuse "dog box" transmission with "Dog Leg" gear arrangement, they are two separate things and ONLY go to prove that engineers have a weird obsession with dogs.
For more information check out this link
http://www.superstreetonline.com/how-to/transmission-drivetrain/impp-1109-synchromesh-vs-dog-box/
Check out this awesome write up as well !
By William Hewland.
July 2000
The following is some info regarding shifting gear and face dog wear. I am in the fortunate position where I have a good amount of knowledge on the subject, as I understand the mechanical side and the user (driver) side equally well. For succesful gear shifting, remember that it is critical to ensure that all mechanical elements between the drivers hand and the dog faces are in good order and properly set. This includes the gear linkage in the chassis!
Successful up-shifting, (defined as fast and non dog-damaging) will be achieved by fully moving the dog ring as rapidly as possible from one gear to the next, preferably with the engine's driving load removed until the shift is completed. (The opposite is true of a synchromesh gearbox as used in passenger cars, where slow movement helps). It should be remembered that it is not possible to damage the dogs when fully engaged (in gear). The damage can only take place when initiating contact during a shift, (the `danger zone`) therefore this element must be made as short as possible. If a driver moves the gear lever slowly, or if the linkage is not rigid and effective, dog wear will occur. We always recommend lightweight yet solid rod linkage, not cables ideally.
I list below the different methods of up-shifting that are used in racing most commonly.
Manual.
Best method: With no assistance from the engine management, the driver must lift off the throttle sufficiently to allow the dog ring to be pulled out of engagement. He should then stay off the throttle long enough to allow the dog ring to engage with the next gear. In practice, the driver can move the gear lever faster than he can move his foot off and back on to the throttle. Therefore the effective method is to apply load to the gear lever with your hand and then lift the throttle foot off and back on to the pedal as fast as physically possible. In lifting your foot, the loaded gear lever will almost involuntarily flick to the next gear before the foot is re-applied to the throttle.
Down Shifting
Successful down-shifting, has similar rules applied regarding speed of shift. Unloading the dogs is done in the opposite manner obviously. Whilst braking, the dogs must be unloaded by either touching the throttle pedal or- my preferred method- by dipping the clutch. However, one sharp dab of clutch or throttle is appropriate per shift. Continued pressure on either will cause dog damage for different reasons. `Blipping the throttle` just before engagement is advisable if the rev drops between gears are over 1300 rpm, as this will aid engagement and stabilise the car.
TWITTER : https://goo.gl/6hgBT6 TWITCH : https://goo.gl/99gcr6 DISCORD : https://discord.gg/Mn8RQgU
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CPU - i7 6700k OC to 4.3GHZ
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