power to weight ratio??

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Unta_item
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Re: power to weight ratio??

Post by Unta_item »

Deasegara wrote:
evolution21 wrote:
dany_pos wrote:klo power to weight ratio kecil tapi torsi besar, mobilnya ngacir juga kah? trus coeficient of drag pengaruhnya besar atau kecil?
contohnya captiva diesel
cuman 160 hp tapi torsinya 360nm
bobot 1,7 sampai hampir 2ton

kalo liat hp doank kayak pas2an cenderung lemot
tapi karena torsi besar, pas dicoba di aspal berasa galak banget
hadeh2.. ini captiva diesel yg paling baru sih bengis gila larinya. ngejar pake mazda2 nggak kekejar. ngejar pake xtrail 2.5 ngap2an. di tanjakan cipularang sih siap2 telen tinta hitam cumi2 captiva aja :mky_04:
Kejar Captiva diesel ya Pake BMW X1 Diesel sama sama 2000 cc dieselnya .... :mky_02: :mky_02: :mky_02:[/quote]

Gak usah pake BMW bro, coba kejar pake Hyundai i20 CRDI, ada kawan pake standard full biosolar bisa dapat 180 kph pedal gas belum kena lantai...[/quote]

Cocok ngak spedonya hyundainya... jgn2 ngaco ..... :mky_02: :mky_02: :mky_02: :mky_02:
http://yamatoikwan.blogspot.com/
https://www.facebook.com/pages/Pojok-Un ... 0505942274
Kalau Bisa diperbaiki ya jangan diganti, Kalau bisa bikin sendiri mengapa harus beli ?
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Re: power to weight ratio??

Post by iamwewe »

Deasegara wrote:
evolution21 wrote:
dany_pos wrote:klo power to weight ratio kecil tapi torsi besar, mobilnya ngacir juga kah? trus coeficient of drag pengaruhnya besar atau kecil?
contohnya captiva diesel
cuman 160 hp tapi torsinya 360nm
bobot 1,7 sampai hampir 2ton

kalo liat hp doank kayak pas2an cenderung lemot
tapi karena torsi besar, pas dicoba di aspal berasa galak banget
hadeh2.. ini captiva diesel yg paling baru sih bengis gila larinya. ngejar pake mazda2 nggak kekejar. ngejar pake xtrail 2.5 ngap2an. di tanjakan cipularang sih siap2 telen tinta hitam cumi2 captiva aja :mky_04:
Kejar Captiva diesel ya Pake BMW X1 Diesel sama sama 2000 cc dieselnya .... :mky_02: :mky_02: :mky_02:[/quote]

Gak usah pake BMW bro, coba kejar pake Hyundai i20 CRDI, ada kawan pake standard full biosolar bisa dapat 180 kph pedal gas belum kena lantai...[/quote]

mazda2 A/T gas blm kena lantai jg 160kph.. tapi kena lantai jg tetep 160kph :wkkk:
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JESKONENG
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Re: power to weight ratio??

Post by JESKONENG »

iamwewe wrote:
Kejar Captiva diesel ya Pake BMW X1 Diesel sama sama 2000 cc dieselnya .... :mky_02: :mky_02: :mky_02

Gak usah pake BMW bro, coba kejar pake Hyundai i20 CRDI, ada kawan pake standard full biosolar bisa dapat 180 kph pedal gas belum kena lantai...

mazda2 A/T gas blm kena lantai jg 160kph.. tapi kena lantai jg tetep 160kph :wkkk:
sayang i20 tampilannya kurang cantik ya....
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Re: power to weight ratio??

Post by mr-saga »

ultimate0 wrote:@andy1800: Pembahasan dri step by step aj..krn sy butuh bnyk blajar..haha...

@all: thx y buat masukan dri para master...sy jd tambah wawasan bru...klo ad tambahan ilmu2 bru...bole skalian dishare di sini...buat komparasi mobil2.....btw gear ratio itu bs ngaruh apa y buat mobil? Sy ga ngerti soal gear ratio.. Contohny kyk spek brosur brio & aveo...power sama..tp gear ratio beda...ternyata bnyk faktor jg y dlm nentuin performa mbl...jd tambah bingung dh sy...haha...
gear ratio, gearbox, transmisi, dsb..

kalo ane ngetest gear ratio pake cara testdrive langsung om..
jd bs nyesuaikan langsung dg selera ane. dan setau ane, modif ukuran gear ratio pada mobil tuh jarang yg mau nerapin.
ane nemuin contoh yg paling umum & mudah ditemui itu pada modifikasi motor balap road race negara kita ini.
jd menurut ane, cara mempelajari ttg gear ratio yg gampang itu di hal modif motor..
apalagi ntuh yg ikut di dunia balap liar.hahaha

pengaruh gear ratio secara umum utk menentukan besarnya penyaluran daya/tenaga
dari dlm engine yg terkirim sampe ke roda.
> kendaraan yg menyesuaikan dg kondisi jalan?
> jalanan yg menyesuaikan dg kondisi kendaraan?
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JESKONENG
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Re: power to weight ratio??

Post by JESKONENG »

di motor pun jarang yg modif gear ratio dalam girbox ... yg sering dilakukan adalah gonta-ganti sprocket ratio (ukuran gir depan dan blakang), dan hukum yg berlaku mutlak adalah :

- walaupun mesin dimodif ekstrim, jika perbandingan sprocket enggak berubah, maka top speed gak akan nambah, yg meningkat hanyalah kemampuan akselerasi aja

- jika dng mesin standar ingin meningkatkan kemampuan akselerasi, cukup ganti perbandingan sprocket yg lebih ringan (mengganti gir depan dng yg lebih sedikit jumlah matanya, atau gir blakang yg lebih banyak jumlah matanya), dengan konsekwensi top speed berkurang

- jika mesin sudah dimodif (modif profil cam dan klep, ruang bakar, PnP dsb) sehingga engine output sudah meningkat (antara 3 s/d 7 hp), maka sudah saatnya mengganti sprocket dng yg lebih berat yaitu gir blakang dengan yg lebih sedikit jumlah matanya atau gir depan yg lebih banyak jumlah matanya, utk meningkatkan topspeed, tanpa mengorbankan kemampuan aksel (karna power mesin sudah meningkat)
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Re: power to weight ratio??

Post by mr-saga »

akhirnya... ane berhasil nemuin jg slh satu contoh artikel nya :mky_01:
Image
sekalian mao offline,,,____ :ngacir:
> kendaraan yg menyesuaikan dg kondisi jalan?
> jalanan yg menyesuaikan dg kondisi kendaraan?
Megalontong
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Re: power to weight ratio??

Post by Megalontong »

Bicara power weight ratio bisa mengacu pada mobil Lotus, bodi karbon fiber (lebih kuat dari besi & sangat ringan), mesin toyota celica 1.8 high-tuned, gearbox sport.
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Re: power to weight ratio??

Post by ultimate0 »

Megalontong wrote:Bicara power weight ratio bisa mengacu pada mobil Lotus, bodi karbon fiber (lebih kuat dari besi & sangat ringan), mesin toyota celica 1.8 high-tuned, gearbox sport.
Klo karbon fiber itu kira2 lbh ringan brp% dri bhn mobil2 pd umumny? Jd yg pling ideal itu yg punya power gede & body enteng y....

@mr-saga: jd klo angka gear ratio mkin gede,tenaga yg disalurkan makin gede? Trus klo jarak antar gear mkin jauh,ganti gigi jd lbih lama?
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Re: power to weight ratio??

Post by mr-saga »

ultimate0 wrote:
Megalontong wrote:Bicara power weight ratio bisa mengacu pada mobil Lotus, bodi karbon fiber (lebih kuat dari besi & sangat ringan), mesin toyota celica 1.8 high-tuned, gearbox sport.
Klo karbon fiber itu kira2 lbh ringan brp% dri bhn mobil2 pd umumny? Jd yg pling ideal itu yg punya power gede & body enteng y....

@mr-saga: jd klo angka gear ratio mkin gede,tenaga yg disalurkan makin gede? Trus klo jarak antar gear mkin jauh,ganti gigi jd lbih lama?
iya, kurang lebih seperti itu om ultimate :big_peace:
dg analogi penggunaan gigi rendah utk melewati tanjakan gitu misalnya.
> kendaraan yg menyesuaikan dg kondisi jalan?
> jalanan yg menyesuaikan dg kondisi kendaraan?
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Re: power to weight ratio??

Post by AD74YA »

Ariel Atom V8 gimana tu power to weight nya? :upss:
Anda sudah TEST DRIVE belum?...
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Re: power to weight ratio??

Post by Megalontong »

ultimate0 wrote:
Megalontong wrote:Bicara power weight ratio bisa mengacu pada mobil Lotus, bodi karbon fiber (lebih kuat dari besi & sangat ringan), mesin toyota celica 1.8 high-tuned, gearbox sport.
Klo karbon fiber itu kira2 lbh ringan brp% dri bhn mobil2 pd umumny? Jd yg pling ideal itu yg punya power gede & body enteng y....

@mr-saga: jd klo angka gear ratio mkin gede,tenaga yg disalurkan makin gede? Trus klo jarak antar gear mkin jauh,ganti gigi jd lbih lama?

Persentase tergantung manufaktur, asal made in europe kualitasnya terjamin.
Heran aja LF-A lexus tabrakan dengan BMW 3series yg baja itu, carbon fiber LF-A hancur & supirnya tewas (test driver kawakan asal jepang).
Ini berarti carbon fiber Lexus adl versi pahe (masih kalah kokoh dgn baja eropa).
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Re: power to weight ratio??

Post by MonSTER_GTR »

Tata nano numpang lewat
Here Come's The Best Car - Coming soon
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Re: power to weight ratio??

Post by mr-saga »

siang ini td ane kepikiran:
"jika kamu kurang puas dengan performa kecepatan kendaraanmu,
dan jika kamu khawatir akan dampak akibat yang timbul dari modifikasi sektor engine,
kamu bisa menggunakan solusi alternatif dengan mengurangi bobot kendaraanmu."
:roll:
> kendaraan yg menyesuaikan dg kondisi jalan?
> jalanan yg menyesuaikan dg kondisi kendaraan?
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evolution21
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Re: power to weight ratio??

Post by evolution21 »

lha kalo bagasi udah dikosongkan, laci2 jg kosong, trus gimana bro?
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Re: power to weight ratio??

Post by Abu2 »

tempat duduk penumpang samping supir, belakang di copot wan..

komponen Trim interior copotin semua, kalo perlu ac + tape juga di copot..
lapisan peredam, karpet dasa copot semua juga...wkwkwk
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andy1800
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Re: power to weight ratio??

Post by andy1800 »

wan ?
LAJUR KANAN... HARAP DISTERILKAN!

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Re: power to weight ratio??

Post by Abu2 »

iya, Wan? knapa ya bisa wan? uwkwkwkwkwwkk
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evolution21
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Re: power to weight ratio??

Post by evolution21 »

obi wan
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Re: power to weight ratio??

Post by mr-saga »

evolution21 wrote:lha kalo bagasi udah dikosongkan, laci2 jg kosong, trus gimana bro?
(misal kalo ada) boneka2, bantal2, parfum2 dilepasin jg Om :big_weee:
> kendaraan yg menyesuaikan dg kondisi jalan?
> jalanan yg menyesuaikan dg kondisi kendaraan?
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Re: power to weight ratio??

Post by ultimate0 »

Ada ga yg bisa ubah bodykit mobil kt jd full karbon fiber??? Klo ad pasti mantap tuh...
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andy1800
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Re: power to weight ratio??

Post by andy1800 »

ya jelas ada laah
LAJUR KANAN... HARAP DISTERILKAN!

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ultimate0
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Re: power to weight ratio??

Post by ultimate0 »

andy1800 wrote:ya jelas ada laah
Klo bole tau di bengkel mn y? Kisaran harga brp?
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Re: power to weight ratio??

Post by Abu2 »

salah satunya, seiboncarbon, please cek google,
kalo di indonesia gak tau juga ya pastinya dimana yang bermain spesial carbonfiber

yang ane tau di puri kembangan - initial bengkel NH, pernah bikin hood,bumper dll dari carbon fiber

thanks



*bukan sales carbonfiber, apalagi sales Seibon dan NH
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Re: power to weight ratio??

Post by mr-saga »

ultimate0 wrote:Ada ga yg bisa ubah bodykit mobil kt jd full karbon fiber??? Klo ad pasti mantap tuh...
biayanya hmmmm... :frm_bang_head:
Abu2 wrote:salah satunya, seiboncarbon, please cek google,
kalo di indonesia gak tau juga ya pastinya dimana yang bermain spesial carbonfiber

yang ane tau di puri kembangan - initial bengkel NH, pernah bikin hood,bumper dll dari carbon fiber

thanks



*bukan sales carbonfiber, apalagi sales Seibon dan NH
pict di home page nya
Image
:frm_tumbright:
> kendaraan yg menyesuaikan dg kondisi jalan?
> jalanan yg menyesuaikan dg kondisi kendaraan?
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Abu2
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Re: power to weight ratio??

Post by Abu2 »

btw, ada koq bbrp owner kendaraan di indo, yang order ke seibon utk urusan carbon mengcarbon ini...