View Full Version : What does synchromesh look like?
stevedee3
15th January 2007, 10:45 PM
Hi all,
I've been searching the 'net for good descriptions (preferably with pictures) showing how manual transmission synchromesh works, but without much success...
Can anyone point me in the direction of a good description?
Thanks.
SSS_Hoon
15th January 2007, 10:53 PM
here
http://www.singster.co.uk/mascot%20mar-apr%202003%20(4).html
and here
http://www.howstuffworks.com/transmission.htm
and here
http://en.wikipedia.org/wiki/Manual_transmission
and here
http://www.answers.com/topic/manual-transmission
just a few, now i didnt read them so not sure if they are any help or not.
SSS_Hoon
stevedee3
15th January 2007, 11:56 PM
here
http://www.singster.co.uk/mascot%20mar-apr%202003%20(4).html (http://www.singster.co.uk/mascot%20mar-apr%202003%20%284%29.html)
This one looks good but I can't make out the diagram...
http://www.howstuffworks.com/transmission.htm
This one's excellent for explaining how the rest of the transmission works, but doesn't really cover synchromesh.
http://en.wikipedia.org/wiki/Manual_transmission
and here
http://www.answers.com/topic/manual-transmission
Again, this explanation gives a good overview but is a bit light on when it comes to synchromesh.
just a few, now i didnt read them so not sure if they are any help or not.
SSS_HoonThanks SSS_Hoon
platypus
16th January 2007, 08:24 AM
as far as i knew synchro mesh was more to do with helical cut gears, instead of the straight cut gears of yesteryear....
of course this would help
http://images.google.com.au/images?hl=en&q=synchromesh&btnG=Google+Search&ie=UTF-8&oe=UTF-8&sa=N&tab=wi
and a small history lesson here
http://www.singster.co.uk/mascot%20mar-apr%202003%20(4).html
SSS_Hoon
16th January 2007, 10:54 AM
yeah syncrho's are for helical cut gears not straight cut gears although you cans till get them with some straight cut boxes.
they basically align the gears up before they actually meet so they are meshed together instead of crunching.
SSS_Hoon
jsantos
16th January 2007, 12:15 PM
Think of it as a smaller set of teeth that protrude further and help align the gear with the engine speed before the gear is fully engaged to help remove the need for things like double clutching on down shifts.
low astra
16th January 2007, 07:56 PM
basicaly, is a brass cone that engages between the gears to speed up\down the next gear to be selected so the gears can mesh together,
as the gears are internaly and extearnly cut, they will always line up, its basicaly to match the speed of the input shaft to the output shaft so they meet without a clunk when the new gear is selected
http://i12.tinypic.com/35b6ut5.jpg
its isnt acuatlly another gear as such more of a constand drive face as u can see by the 2nd and 3rd gear synchromesh labeled in the picture
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