maybe this is in the wrong section but... mechanically, how does a tranny miss a gear. Im thinking its based on the synchros. When you try to engage the gear, they synchros cant align as quick as you try to jam them in so it doesnt go.

Am i correct, with this theory?

 

Maybe you just didn't fully engage the clutch?

 

no, its not me at all. maybe i might no if it did happen to me. but where im coming from is hearing ppl talk about missing a gear during racing or elsewhere.

 

You know the wonderful thing about machines is they do the same damn thing every time if you give it the same inputs. So therefore you can only assume they screwed up or it misses every time.

You take the most likely scenario, they screw up wins hands down nearly always.

 

when you "miss a gear" that just means driver error; i.e. the driver did not shift the lever into the desired gear slot in the time the clutch was disengaged before naturally releasing the clutch and preparing to continue accelerating. gear lockout is the clutch not fully disengaging and the synchros not allowing a higher gear to be selected.

 

ok so i think i get it. but im gonna try to find you a good example video so you can tell me what happened in it, the driver or i guess it would be the TOB

 

http://www.youtube.com/watch?v=evrYR6znDfA

okay to me it seems hard to tell, but does this dude miss 3rd cuz the clutch. seems that way to me but its hard to tell

 

uhh ya, thats him missing a gear

 

the only mechanical error there is to missing a gear would be lock out... even with a grind the gear will still catch


It happens, takes little practice..

 

I agree ... driver error. In a racing situation, it's usually that the feet and the hands aren't perfectly synced and the clutch is released before the hands have completed the shift.

 

This isn't always the case.. as many people can tell you that on some clutches when shifting from a high RPM trying to get it into gear is nearly impossible. Not to bash but my ACT clutch did this and it was night and day when i crossed over to a twin disk.

So while the majority of missing a gear is the result of driver error.. there are some instances where the syncros are simply worn out and the clutch isn't designed for it thus increasing the likelihood that the car won't get into gear.

 

usually its the synchros. try changing with synchros mesh. what do you use?

 

Syncromesh is a thinner liquid so itll feel better but doesnt offer the protection as a thicker liquid liek the mr diaqeen or mt90

 

how does the clutch affect it. no matter what clutch you have shouldnt it disengage the same way (disconnecting from the flywheel) and the gears should have no strain or anything.

O i meant when you are fully disengaging the clutch, how doesnt it shift the same?

 

First: You haven't driven a car hard enough if you have never missed a gear!
Second: How do you not know how to miss a gear?

Its as simple as not timing the clutch/gas/shift correctly.

It higher HP cars it becomes easier to miss gears for many different reasons.