Auto vs Manual?The answer is dual-clutch automated manual!

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conan
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Auto vs Manual?The answer is dual-clutch automated manual!

Post by conan »

In case you’re not familiar with it, DSG is a transmission technology that uses two computer-controlled clutches to change between gears. Unlike the a regular manual transmission, the driver has no control over the clutches — rather, they are entirely operated by the computer. The driver can, however, shift gears manually as they would with a tiptronic transmission, or run the car in automatic mode. Volkswagen Group markets its dual-clutch tranny under the DSG (Direct Shift Gearbox) moniker. In this video, professional racer Keiichi Tsuchiya drives a VW Golf GTI with a 6spd manual, while Naoki Hattori drives the VW Golf GTI with DSG. Despite Tsuchiya’s incredibly fast shifting skills, the DSG wins in every trial. Later, the DSG-equipped VW races a more powerful Opel Astra Turbo and Renault Megane RS, and wins in both cases. Tsuchiya, who was first skeptical of the DSG, later agreed that “the shift timing is just perfect.”
See the video here :
http://www.leftlanenews.com/2006/04/21/ ... ed-manual/
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conan
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Post by conan »

Volkswagen to replace automatics with DSG

Volkswagen is planning to replace all its automatic transmissions in cars with transverse engine configurations with DSG transmissions, according to a published report. Product chief Wolfgang Bernhard said DSG will be used on transverse-engine cars from Audi, Skoda, Seat, and Volkswagen, reports The Car Connection. The company is also developing a way to implement DSG on longitudinal engine configurations. DSG is a dual-clutch gearbox that uses two computer-controlled clutches to achieve very fast and smooth shifts. Bernhard said VW has no plans to license the technology to any other companies. Instead, the automaker hopes it will be a “unique selling proposition” for VW Group vehicles. The Leftlane Perspective: VW might not sell DSG to any rivals, but we suspect shareholder and affiliate Porsche might get a piece of the action once DSG is ready for high-performance applications.
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frontier

Post by frontier »

What about VW Golf GT 1400 cc yang dual charged ? (supercharge & turbocharge) apakah ada versi DSG juga ? Anyhow, Golf GTI has been one of my dream cars..
Naruto
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Post by Naruto »

Gw udah liat tuh video. Emang waktu acceleration DSG menang. Tapi, engine brake, tetep menang manual :)
conan
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Post by conan »

Naruto wrote:Gw udah liat tuh video. Emang waktu acceleration DSG menang. Tapi, engine brake, tetep menang manual :)
Tapi kalau soal engine brake, paling parah itu CVT and matic biasa. Tiptronic lebih baik sedikit, tapi masih jauh di bawah Dual-Clutch manual, sequential manual apalagi manual biasa.

And what's even better about these dual-clutch systems, bahkan lebih irit bahan bakar daripada manual biasa, karena kerja kopling yang diatur computer sangatlah efisien, perpindahan gigi terjadi tepat pada saat paling optimal dan terjadi dalam beberapa mili detik saja (minimal friction).

Sedangkan sistem automatic biasanya lebih boros sampai sekitar 10% daripada manual, karena adanya torque converter yang menyerap banyak energi.

Sistem automated manual dengan kopling ganda ini memberikan keunggulan2 transmisi2 lain di bawah, secara sekaligus dalam satu paket :

- Kenyamanan matic (tidak ada pedal kopling).
- Kemampuan memilih gigi secara manual (seperti tiptronic, tapi lebih responsif karena minimal ada 6 gigi, tiptronic masih ada yang hanya 4 atau 5 gigi)
- Perpindahan gigi upshift yang tidak terasa (dengan adanya dua kopling yang bekerja sama).
- Perpindahan gigi downshift yang bahkan lebih cepat daripada manual.
- Tenaga yang responsif, tidak ada bedanya dengan tenaga versi manual biasa.
- Bahkan sedikit lebih irit daripada manual biasa.

Sampai sekarang baru VW/Audi yang dapat memberikan sistem transmisi ini pada model2 mereka yang harganya relatif masih terjangkau seperti pada VW Golf dan Audi A3. Dulu disebut DSG, kini disebut S-Tronic. Porsche yang merupakan anak perusahaan VW Group juga akan segera mendapatkan versi mereka.

BMW yang tadinya mengandalkan SMG mereka (sequential manual, but with single clutch) sudah mengakui superioritas kopling ganda (SMG sudah tidak dipasang lagi pada regular Z4 model year 2006), dan
sedang mengembangkan sistem mereka sendiri, sementara Ferrari sudah membeli teknologi ini dari pihak lain (akan dipasang pada mid-life facelift Ferrari 612 Scaglietti).

Sementara yang belum memiliki teknologi ini antara lain Mercedes yang masih mengandalkan sistem automatic biasa dengan G-Tronic mereka yang memiliki 7 gigi, dan Lexus yang bahkan memasang automatic 8 gigi (!) pada LS terbaru.
Naruto
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Post by Naruto »

melengkapi berita om conan, berita terbaru,
BMW sedang mengembang DSG 2 yang dapat memindahkan gigi dengan kecepatan 0.1 detik ( secepat kedipan mata ) !!!!
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skullkid
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Post by skullkid »

Untuk orang yang masih menganggap manual paling efektif,paling irit dll,bsa liat artikel yang dibuat/dikutip conan..

yang saya bingung bung naruto, dulu saya pny lancer sportronic 4 speed matik,tapi ada "manual" modenya..malah kalo saya shiftdown,slalu dya engine brake, dan itu krasa banget, sampe gak prlu injek rem kok..kalo maw takeover mobil dpan di jalan kecil malah trauma sendiri, dy bkan cma naekin rpm (ke gigi sblomnya), tapi juga engine brake, sampe jadi ampir ktabrak mobil blakang gt..mnk transmisinya masih jebot kalie ya?hehehe...blom Invecs...

Naruto wrote:melengkapi berita om conan, berita terbaru,
BMW sedang mengembang DSG 2 yang dapat memindahkan gigi dengan kecepatan 0.1 detik ( secepat kedipan mata ) !!!!


iy,saya dah baca brita ini dari dulu sih,lupa kapan..yang pasti ntar bakal diterapkan di seri //M terbarunya..mungkin M3, mnk jga the next M5..

bung conan, link videonya gak bsa dbuka yaw?
Naruto
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Post by Naruto »

skullkid wrote:Untuk orang yang masih menganggap manual paling efektif,paling irit dll,bsa liat artikel yang dibuat/dikutip conan..

yang saya bingung bung naruto, dulu saya pny lancer sportronic 4 speed matik,tapi ada "manual" modenya..malah kalo saya shiftdown,slalu dya engine brake, dan itu krasa banget, sampe gak prlu injek rem kok..kalo maw takeover mobil dpan di jalan kecil malah trauma sendiri, dy bkan cma naekin rpm (ke gigi sblomnya), tapi juga engine brake, sampe jadi ampir ktabrak mobil blakang gt..mnk transmisinya masih jebot kalie ya?hehehe...blom Invecs...

Naruto wrote:melengkapi berita om conan, berita terbaru,
BMW sedang mengembang DSG 2 yang dapat memindahkan gigi dengan kecepatan 0.1 detik ( secepat kedipan mata ) !!!!


iy,saya dah baca brita ini dari dulu sih,lupa kapan..yang pasti ntar bakal diterapkan di seri //M terbarunya..mungkin M3, mnk jga the next M5..

bung conan, link videonya gak bsa dbuka yaw?
Kalo ga salah ya, lancer yang sportronic 4 speed itu udah invecs kok. Invecs II (kalo ga salah loh). Tapi yang pasti udah invecs. hehehe. Kalo masalah engine brake matic, gw ga tau nih bos. Biasa manual terus sih. Masi kurang sreg beli mobil matic. :wink:
WP
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Post by WP »

Hmm, soal engine brake matic mank kadang masalah banget, tapi kalo buat tiptronic masih OK lah... cuman memang masih ada sedikit jeda perpindahan gigi.

Soal matic-manual enak mana? tergantung dipake ke mana... di jalan tol/jalan lancar saya ngerasa manual ato tiptronic terasa fun, tapi kalo udah macet baru deh matic yg enak...
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