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Noul Civic Type R



 

pai da, ca erau minerale sau semi. cu sinteticele deja e alta treaba.
vii la rally sa mai dezbatem? ca ma dor degetele Icon_biggrin
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https://en.wikipedia.org/wiki/Gasoline_direct_injection

pistoanele nu au calota clasica si e optimizat jetul Vs bujie , etc   si totul depinde de fazele de functionare. 
nu mai exista clapeta de admisie. 

( noi pe R-uri avem aceelasi concept de pumping loss, cand deschide clapeta si intra  vtec-ul.)


[Image: 1439884988464]

vin vin la rally   Icon_biggrin



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vezi ca daca vii pt sambata dimineata, vezi ca e de pedalat pana pe probe Icon_biggrin
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bun articolul. vezi ca nu-s prost vis-a-vis de omogenitatea amestecului la injectarea la tdc? Icon_smile buna treaba cu cavitatea pistonului Icon_biggrin
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pai am scris ca pistonul are o calota diferita si e optimizata pozitia "jetului"+ ca sunt 3 faze de injectie. 
ai vazut in lean burn la ce valori s-a ajuns?

Quote:The stoichiometric air-fuel ratio for gasoline is 14.7:1 by weight (mass), but ultra lean mode can involve ratios as high as 65:1 (or even higher in some engines, for very limited periods). These mixtures are much leaner than in a conventional engine and reduce fuel consumption considerably.



la Focus (TDCI)  asa arata pistonul


[Image: piston-motor-ford-focus-1-8-tdci-nural-6...-0-0-0.jpg]

sunt facute super strong , vezi si ce diametru are la bolt...



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da da, am vazut, da abia dupa ce am citit am realizat ca acea cavitate practic creaza o mini camera de argere. acolo soto amestecul e corect, dar apoi in stroke, la volumul total al cilindrului devine ultra lean. oricum , tare treaba. ma gandesc ca nici explozia nu poate fi prea suparata ca ar pune stres in peretii pistonului din cauza exentritatii cavitatii, lucru care nu cred ca se intampla la configuratia cu injector pe mijloc.
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e foarte complex si fascinant sistemul.  
prin prelucrarea mecanica a pistonului si timing-ul post-injectiei se folosesc si de gazele reziduale pt a dirija flame-ul in cilindru Biggthumpup


...  acum e "simplu" cu soft-urile de simulare.  le fac (pistoanele & co) de te doare capul.



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a venit vara, au venit si problemele de racire in comportamentul motor ... plastice pe care nu poti sa pui mana, presiune redusa la turbo etc ... is curios daca din cauzza asta vor aparea si probleme la turbina.



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plasticele pe motor sunt alta mare tiganeala.  preluate tot de la diesel unde sunt montate pe tampon si au rolul de a reduce zgomotul , in restul cazurilor sunt doar de look.

la CTR cresc temperatura in rampa de injectie cu cca 30 grade.  de bobinele de inductie nu mai zic.

fast&furios si motorsport sunt doua linii paralele.



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"im from Singapore, where its 30-35 deg C all year round. and yes, after 2 hot laps at Sepang F1 circuit, the car gets crazily hot!!

the turbo that honda uses is a very versatile mitsubishi TD04 that has been used on so many cars over the years.

[Image: 28616614446_d6cf1eb394_h.jpg]

i've ever encountered 138 deg C for oil temp on the factory gauge after a few hot laps in our very hot tropical climate here. there is some safety features built in and boost gets less.

i will be trying to remove the inside black plastic piece on the fenders to allow hot air to escape, and also remove the side fender garnishes. i believe that will aid with the hot air being stuck in the engine bay without a means of escape.

"



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umbla zvonu ca-i aproape gata, deja ii dau cu final edition Icon_razz

http://www.honda-kraeuter.de/civic-type-...l-edition/

[Image: file.php?id=4450]

[Image: file.php?id=4451]

[Image: file.php?id=4449]



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si e oficial, de la un tip de la HUK: 2500 planned production to end around March 2017, when the new Civic is due to the UK market. type-R to follow reasonably soon after that.



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pai? asa scurta viata?
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vine varianta americana din urma



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sa fie sanatoasa. e mai tare decat asta euro?
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http://www.topgear.com/car-news/hot-hatc...c-type-r#1

Sent from my Nexus 6P using Tapatalk
Honda nu arde uleiul, il foloseste.



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ramane in istorie ca cel mai urat model din istorie Icon_smile
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Gusturile nu se discută

Sent from my Nexus 6P using Tapatalk
Honda nu arde uleiul, il foloseste.



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nu, dar ramane Icon_razz
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eu zic ca asta nou e si mai urat, deci ramane in istoria ta Icon_smile



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