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 AT vs AMT, can someone explain further?

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TSgoldfries
post Sep 5 2006, 04:51 PM, updated 20y ago

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i've read up regarding those transmissions, but i still don't quite get it.

AT - http://en.wikipedia.org/wiki/Automatic_transmission
AMT (semi-auto?) - http://en.wikipedia.org/wiki/Semi-automatic_transmission

from what i see, AMT (like the ones found on Savvy) is like MANUAL but you have a little-monkey somewhere doing the clutch work based on certain input the internal computer gathers.

but how does that differ compare to AT? considering that both changes gear automatically as you drive.
TSgoldfries
post Sep 5 2006, 05:01 PM

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QUOTE(Chartry @ Sep 5 2006, 04:56 PM)
AMT dun change gear automatically. u only no need to clutch.
*
oh izzit?

blush.gif sweat.gif

here's the thing (probably the info that mislead me)

look at this, refer to page 2.

http://www.proton-edar.com.my/user_data/me...e_savvy_amt.pdf

now it says to the left is Automatic / Manual selection. so what does that actually mean?

i thought it meant that with AMT i could
1. automatic - drive it like how i would drive an auto, where it changes gear for me.
2. manual - drive it like manual, just that the gear goes up / down instead of the usual H shape.

some more in Page 3 it mentioned

With the ability to switch between manual and automatic driving mode at the tap of a gearlever.

rclxub.gif so.........which is which now?

This post has been edited by goldfries: Sep 5 2006, 05:04 PM
TSgoldfries
post Sep 5 2006, 11:39 PM

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QUOTE(n305er @ Sep 5 2006, 05:51 PM)
Manual clutches are more efficient then Automatic gears which requires torque converters. That's why they are more powerful and fuel efficient.

AMT is using Manual clutch technology but it takes away all the stupid torque converter and junks and have a monkey change your gears instead...

So it is like the ease of an Auto Gear but the power of a manual gear.
*
this one pretty much summarizes it nicely. thx.
TSgoldfries
post Sep 16 2006, 03:39 PM

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ok i personally tested the Savvy AMT today - cool car. smile.gif really liked it, especially when in the manual mode.

tend to feel some revving and stuff during gear change in auto mode, prefer manual mode cos the power more consistent.

i like the fact that i can switch to either auto / manual at any point of the drive. way cool
TSgoldfries
post Sep 17 2006, 08:18 AM

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QUOTE(hypermount @ Sep 16 2006, 11:53 PM)
getting savvy goldries?


quite likely. just don't know when. of course, i have to test out Myvi first but the Savvy is high on my list already. smile.gif

QUOTE(hypermount @ Sep 16 2006, 11:53 PM)
I think we can put the gear to neutral from any gear in AMT. Just flick the gear lever to either left or right.

But dunno leh cos I've never driven one..
*
yes.

just shove the gear to the left to switch between auto / manual ( ok la it' s not auto as in AT, but auto change gear for you). shove the gear to the right to neutral it. smile.gif

driving just like manual la, hear the engine rev quite high already then time to switch gear.

TSgoldfries
post Sep 17 2006, 07:52 PM

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QUOTE(pacer @ Sep 17 2006, 07:36 PM)
haha... no need to waste time to test drive the other one la tongue.gif
*
what other one? today i've come to a conclusion that Myvi is not what i want - other than space that is.

1. the 1.3AT Myvi is known to be underpowered.
2. the 1.3AT Myvi is more expensive that 1.2 AMT Savvy
3. the manuals are out of my choice since i want something that's Auto
4. Savvy has nice FC but i've not heard that for 1.3AT Myvi

ok la lazy to list all - or else AT vs AMT discussion will become why i choose Savvy discussion.

btw the Savvy, i like the AMT manual mode best. feels like driving in NFS:MW smile.gif cos i play all NFS games using manual. and even since NFS2, the gear shifts has always been sequential. so to me, it's not a problem - let's just hope i don't enter blacklist la.
TSgoldfries
post Sep 18 2006, 12:46 PM

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QUOTE(hypermount @ Sep 18 2006, 10:44 AM)
Glad you will be choosing one..I know how u felt too when I first test drove many cars before settling down on Savvy...every type of car has its own personality just like humans.
*
biggrin.gif i only bash Proton. not their cars. i find of all Proton Cars, the Savvy is probably the only one........well other than Waja, that's worth it's price.

anyway back to topic.

i'm still not sure how to explain AMT to people. smile.gif

what i usually say is AMT is MT that works like AT minus stuff like the torque converter and such. biggrin.gif

now the thing is, in Savvy it's not only clutchless-manual ie sequential gear-shifting without clutch - that part is easy to understand. now the part harder for me (to understand and to explain) is that it comes with automatic gear changes, does other AMT come with automatic gear changes? or is it just on Savvy?

people usually get confused at this point, it's like so it's an auto that's not an auto? rclxub.gif heck even Proton SAs are still telling me AMT is auto auto auto....
TSgoldfries
post Sep 18 2006, 01:37 PM

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QUOTE(kev da man @ Sep 18 2006, 12:57 PM)
possibly the easiest thing to say about it is that its an automatically-shifting transmission with a manual sequential ovveride function tongue.gif
*
so how would you respond when people hear the above bolded part and ask - "so doesn't that make it an auto already?"
TSgoldfries
post Sep 18 2006, 01:48 PM

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QUOTE(sleepwalker @ Sep 18 2006, 01:41 PM)
You just have to watch enough Jeremy Clarkson videos to see how much he hates the D function as it is very jerky in urban driving on low gears.
*
tongue.gif must tell me where to download more Top Gear.

but really, i found the D function annoying myself. that also i only drove the car for less than 10 minutes.

TSgoldfries
post Nov 13 2006, 04:31 PM

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QUOTE(LExus65 @ Nov 9 2006, 10:55 AM)
savvy amt really playing with consumers brain for all this time.........
*
i blame the people, not the name.

strangely people view AMT instead of AMT

they never bother to understand what it is and straight say it's AT.

 

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