# Automotive Engineering

- Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
 Meta Thread / Thread Starter Last Post Replies Views Views: 123,460 Announcement: Follow us on social media and spread the word about PF! Jan16-12 Pinned: Race car suspension Class ( 1 2 3 ... Last) references _ Paved Track Stock Car Technology by Steve Smith Tune to Win by Carroll Smith Software - Suspension... Y 10:59 PM autodoctor911 717 298,400 I am in the design phase of a lightweight electric city vehicle with a capacity of 15kWh. I am at a stage where I am... Jul29-14 06:59 AM jedishrfu 1 83 Hello, I am working on a custom car project, and will be using a Subaru WRX 2.0 liter turbo charged engine. I did... Y 09:18 AM ydeardorff 4 102 Why does a small V-8 have a slower idle rpm than a large diesel inline 6? For example, a Chevy 305 (5.0L) can idle at... Y 12:46 AM SteamKing 6 137 When changing rear end gear ratios, or tire sizes on a vehicle, you can buy different speedometer gears with tooth... Jul22-14 09:15 PM edward 1 363 My book says smaller the electrode gap,greater the chances of a misfire. The reason stated is that this is because of... Mar21-14 11:12 AM Highspeed 3 492 I am undergoing internship in an motorcycle company (OEM) and would like to know if there are any ebooks about... Jul20-14 04:32 AM Varadha 0 495 hello, I know it may sound weird but why not? WHy automobile companies dont go for FRP body instead of metal. It... Feb4-14 04:02 AM Highspeed 1 510 http://imageshack.com/a/img824/2641/1cpe.png The black curve I drew there represents the load curve in 5th gear.... Mar23-14 07:27 AM xxChrisxx 1 562 Attached you will find a parellel hybrid design of a Porsche Cayenne hybrid. From what I understand,its the... Feb15-14 05:31 AM jnnx 1 575 Hi, I am currently seeking advice and looking into the idea of compound charging with two turbos. One blowing into... Feb15-14 04:19 PM HowlerMonkey 1 615 what will be the temperature and pressure at the exhaust of IC engine? Feb3-14 06:07 AM Damo ET 6 617 Hi guys, There's a project on hybrid vehicles, and the task is to design and simulate a hybrid vehicle: we have... Jan6-14 05:06 PM etudiant 1 621 Hi, I'm a mechanic and I need to settle a point with a fellow mechanic. I was describing how a 3/8"s extension... Jul18-14 09:04 PM thender 0 624 I've been doing some studying on traction-slip control(ASC). I've also been trying to draw comparisons between ASC... Mar17-14 10:29 AM jack action 1 624 many sports/super cars have turbos or twin turbos on them, in fact all expensive cars have a turbo in them, but the... Mar26-14 09:57 AM Sunfire 3 632 I m considering to design a solid axle ATV for rear wheel drive without differential.....so I want to know about what... Jul23-14 04:10 PM 1pkm 1 632 By the conservation of energy, P_in=P_out So,no matter what gear ratio 'i' I choose, P_out=P_in, since the gear... Mar24-14 03:33 AM Highspeed 3 637 Please find attached a schematic showing the relationship between the 4 main components of a automotive driveline. ... May23-13 01:03 AM marellasunny 0 639 Lets say my engine is producing 100Nm of torque and after torque multiplication with the 1st gear and drivetrain,I... Feb9-14 05:49 AM Damo ET 8 660 I do not understand how equation(3) occurs.(taken from the book Internal Combustion Engines by John B.Heywood) ... May31-13 12:59 AM marellasunny 0 667 My question relates to torque vectoring during a turn(high speed). Wikipedia says torque vectoring is mainly done on... Mar14-14 09:08 PM jack action 3 669 Hey Guys needed some advice related to Turbocharging of natural gas engines. I'm working on turbocharging of gas... Mar4-14 10:51 PM Ryoko 1 670 is there any way to add power of two independent chain drives having different rpm , such that slipping doesn't occur... Mar26-14 02:47 PM Averagesupernova 5 678 Hi there, I'm currently researching for a Product Design project and was wondering if anyone had any insights into... Feb6-14 03:50 AM Highspeed 7 714 Dear All, I was involved in a car accident. The facts of the case as follow: Location: At a side road joining... Feb23-14 06:21 AM LionCity 9 747 I am designing a differential mount and I am having trouble with the analysis of the forces involved. I found the... Mar16-13 01:06 AM joman2055 0 754 Hi all, I'm developing a quarter car model of a truck trailer with a braked wheel. I need to simulate the... Apr19-13 02:31 AM serbring 0 757 I have to do a project on transmissions,their parts and working principles,shafts used in them.I searched but cant... Dec29-13 09:13 AM mech-eng 3 761 When all the 4 wheels are braking,it seems logical to write the longitudinal acceleration like this-... Jan17-14 06:11 AM Damo ET 1 775 Hi all, During steady state cornering which tire of the same axle experiences the higher side force? I believe the... Jan30-14 07:35 AM marellasunny 6 775 First,this is what I understood from theory: If I understood the concept of 'engine stall' correctly,it occurs as a... Jan9-14 03:57 AM Highspeed 4 781 BMW has a kidney shaped grill for the air intake but the front looks weird from the side.Looking at a M3 inline-6 from... Dec6-13 02:21 PM marellasunny 3 802 How do you get car to have a small turning radius? It should seem that putting center of mass to be in the center... Feb12-14 04:18 AM Ranger Mike 8 811 can i locate region in an automotive, which is safe from vibrations, by modal analysis? can i conclude that blue... Jul22-14 02:06 PM duhuhu 1 826 I understand that the purpose of a damper system is to stop the spring from bouncing during rebound. But,technically... Mar29-14 01:10 PM marellasunny 4 852 hello friends,can you explain what is correct clearance of engine's moving parts,giving examples. Dec6-13 07:17 AM mech-eng 7 859 Hello guys, first of all excuse me if I make mistakes, but English is not my native language. So, I am creating a 4... Jan6-14 05:39 AM Baluncore 1 861 Almost all the cars now use an Electronic Throttle Body for Controlling airflow into the engine. In order to make the... Feb21-13 12:44 PM Arul Sivan 0 888 Hi, Can anyone please tell me how does crash impact sensors work in an airbag system? Like, I want to know at what... Jun17-13 07:08 AM Simon Bridge 1 895 This is in relation to the modelling of pedal input(\theta) to vehicle velocity 'v' by using controllers. In this... Jan7-14 09:56 PM Baluncore 10 917