modifikasi satria fu
- posisi skep tertutup sempurna (vaccum tinggi)
skep dalam posisi menutup sempurna (gas tidak ditarik), udara masuk melalui air jet (lubang kecil dimoncong karbu) dan celah skep...
pencampuran udara dan bensin dilakukan oleh pilot air screw (setelan udara) dan idle adjuster (setelan bensin saat idle)
- posisi terbuka hingga 1/4
vaccum berkurang, debit udara meningkat , air jet tak mampu lagi menyampur gas..
udara masuk melalui air tunnel (moncong karbu, bahasa bengkelnya venturi)..
bensin naik dari penampungan ke pilot jet lalu akan bercampur dengan udara didalam air tunnel
- posisi terbuka hingga 3/4
debit udara semakin tinggi, pilotjet tak sanggup lagi menyampur gas..
bensin naik dari penampungan ke main jet - needle jet (skep/nosel) - jet needle (jarum) lalu akan bercampur dengan udara didalam air tunnel ..
- posisi terbuka hingga penuh
debit udara meningkat, vaccum rendah, air jet dan pilot jet tidak bekerja penuh lagi..
bensin naik dari penampungan ke main jet - needle jet (skep/nosel) - lalu akan bercampur dengan udara didalam air tunnel (tanpa ada hambatan berarti dari jet needle)..
gambaran umumnya demikian, namun karna berbagai pertimbangan biasanya ditambahkan piranti tambahan agar tidak terjadi kekosongan tenaga, baik dibukaan kecil maupun rendah..
piranti tambahan bisa berupa :
- fuel accelerator (menambah pasokan bensin saat ada bukaan gas mendadak)
- multi venturi (terdapat 2 venturi didalam air tunnel)
- eksternal jet (piranti penembak bensin tambahan saat bukaan penuh, dipasang diluar moncong karbu)
- dll ...
didalam karbu terdapat pelampung untuk menjaga stok bensin dipenampungan tetap stabil, pelampung ini terhubung kesebuah needle valve (katup jarum), sehingga saat penampungan penuh, katup tertutup..
didalam karbu ada mekanisme CHOKE, gunanya untuk menambah pasokan bensin saat kondisi engine dingin (pagi hari misalnya)..
cara kerja CHOKE ada tiga jenis..
1. menutup penuh air tunnel (motor kluaran lawas)..
air tunnel ditutup penuh agar vaccum didalam air jet meningkat, sehingga udara sepenuhnya terisap kedalam air jet, campuran pun menjadi kaya
2. menambah pasokan bensin (motor kluaran anyar)
dengan membuka port tambahan pada idle screw sehingga pasokan bensin bertambah, campuran pun menjadi kaya
3. CHOKE otomatis (motor kluaran anyar juga)
pada dasarnya sama sperti metode 2, namun pembukaan katup CHOKE dilakukan secara otomatis mengikuti suhu lingkungan sekitar (biasanya motor matic pake ginian)
yang membuat beda antara karbu 2 tak dan 4tak itu pada desain jet needle (jarum) dan port-port yang berdiameter lebih besar bila dibanding dgn 4 tak..
ini karena 2 tak menggunakan ruang kompresi sekunder, sehingga campuran gas harus dibuat lebih kaya agar tidak terjadi kekosongan tenaga..
dan juga campuran yang kaya ini akan mempercepat proses squishing (langkah bilas) pada engine 2tak..
makanya kalo karbu 2 tak langsung caplok ke 4 tak, bisa bikin engine 4 tak kebanjiran harga satria fu injeksi
jika ada yang ingin ditanyakan kembali silahkan membuat thread pertanyaan baru..
^_^ semoga membantu
- posisi skep tertutup sempurna (vaccum tinggi)
skep dalam posisi menutup sempurna (gas tidak ditarik), udara masuk melalui air jet (lubang kecil dimoncong karbu) dan celah skep...
pencampuran udara dan bensin dilakukan oleh pilot air screw (setelan udara) dan idle adjuster (setelan bensin saat idle)
- posisi terbuka hingga 1/4
vaccum berkurang, debit udara meningkat , air jet tak mampu lagi menyampur gas..
udara masuk melalui air tunnel (moncong karbu, bahasa bengkelnya venturi)..
bensin naik dari penampungan ke pilot jet lalu akan bercampur dengan udara didalam air tunnel
- posisi terbuka hingga 3/4
debit udara semakin tinggi, pilotjet tak sanggup lagi menyampur gas..
bensin naik dari penampungan ke main jet - needle jet (skep/nosel) - jet needle (jarum) lalu akan bercampur dengan udara didalam air tunnel ..
- posisi terbuka hingga penuh
debit udara meningkat, vaccum rendah, air jet dan pilot jet tidak bekerja penuh lagi..
bensin naik dari penampungan ke main jet - needle jet (skep/nosel) - lalu akan bercampur dengan udara didalam air tunnel (tanpa ada hambatan berarti dari jet needle)..
gambaran umumnya demikian, namun karna berbagai pertimbangan biasanya ditambahkan piranti tambahan agar tidak terjadi kekosongan tenaga, baik dibukaan kecil maupun rendah..
piranti tambahan bisa berupa :
- fuel accelerator (menambah pasokan bensin saat ada bukaan gas mendadak)
- multi venturi (terdapat 2 venturi didalam air tunnel)
- eksternal jet (piranti penembak bensin tambahan saat bukaan penuh, dipasang diluar moncong karbu)
- dll ...
didalam karbu terdapat pelampung untuk menjaga stok bensin dipenampungan tetap stabil, pelampung ini terhubung kesebuah needle valve (katup jarum), sehingga saat penampungan penuh, katup tertutup..
didalam karbu ada mekanisme CHOKE, gunanya untuk menambah pasokan bensin saat kondisi engine dingin (pagi hari misalnya)..
cara kerja CHOKE ada tiga jenis..
1. menutup penuh air tunnel (motor kluaran lawas)..
air tunnel ditutup penuh agar vaccum didalam air jet meningkat, sehingga udara sepenuhnya terisap kedalam air jet, campuran pun menjadi kaya
2. menambah pasokan bensin (motor kluaran anyar)
dengan membuka port tambahan pada idle screw sehingga pasokan bensin bertambah, campuran pun menjadi kaya
3. CHOKE otomatis (motor kluaran anyar juga)
pada dasarnya sama sperti metode 2, namun pembukaan katup CHOKE dilakukan secara otomatis mengikuti suhu lingkungan sekitar (biasanya motor matic pake ginian)
yang membuat beda antara karbu 2 tak dan 4tak itu pada desain jet needle (jarum) dan port-port yang berdiameter lebih besar bila dibanding dgn 4 tak..
ini karena 2 tak menggunakan ruang kompresi sekunder, sehingga campuran gas harus dibuat lebih kaya agar tidak terjadi kekosongan tenaga..
dan juga campuran yang kaya ini akan mempercepat proses squishing (langkah bilas) pada engine 2tak..
makanya kalo karbu 2 tak langsung caplok ke 4 tak, bisa bikin engine 4 tak kebanjiran harga satria fu injeksi
jika ada yang ingin ditanyakan kembali silahkan membuat thread pertanyaan baru..
^_^ semoga membantu
The Acer Laptops Fan
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