Questions tagged [automotive-engineering]
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489
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Automatic car applying (seemingly) more torque upon throttle "liftoff"?
I drive a relatively average powered automatic transmission front-wheel drive car; my (naturally aspirated) engine delivers maximum torque at around 5000 RPM. I performed the following test (remaining ...
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Why do turning cars travel along a circular path?
I see it explained as each rolling wheel experiences a centripetal force in the direction toward a turn center (axis or rotation) as in Fig 1 below. This is the definition of circular motion.
But what ...
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Determine reading on gauge that doesn't have enough tick marks
Is there a way to determine what the reading is on this voltage gauge using graphics and math? For example, in a computer program, could I draw a circle and then plot evenly-spaced tick marks (between ...
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dSPACE compiler linker error -- fscanf undefined
I'm dealing with a somewhat intractable problem. We're running dSPACE 7.4 (RTI 1006) on MATLAB 2011a, which I understand uses the dSPACE DS1006 C Compiler v. 2.2. When I try to compile one of our ...
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How to calculate clearance volume in internal combustion engine of a tractor?
To begin with, a tractor engine is provided to identify and calculate the terminologies associated with it. The bore diameter and stroke length is given as 15.84 cm and 8 cm respectively. Having ...
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Does rev hang in automobile engine depend on the engine load? What are the factors that affect rev hang in automobiles?
I know that rev hangs are intentionally introduced to modern vehicles that operate on electronic throttle bodies, by programming the ecu to close the throttle valve slowly (in gasoline engines) even ...
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What is the max speed and duty cycle of an air conditioner's magnetic clutch?
I am considering using an automobile ac compressor to control the resistance of an exercise machine by engaging and disengaging the magnetic clutch to let it slip.
The max torque should be about 500 ...
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How much can you modify a car without affecting safety systems? (Airbags, Crumple zones)
I have a silly little idea for a car involving moving the engine to the back (FF or FR, into a RR). I know it sounds silly, but silly ideas are just how I seem to run. I simply don't see the fun in ...
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Why is longitidunal force of tyre calculated negative in SIMULINK?
With the help of the Vehicle Dynamics Blockset of SIMULINK, it is easy to obtain the tyres' longitudinal force (tractive force) using some of the inputs. You can see one of the examples below.
In ...
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Motor torque required to move a trolley
This is a real situation.
The trolley is mounted with a rack underneath it and multiple steel wheels on a steel track. The trolley is driven by the rack and pinion mechanism from a geared motor.
The ...
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What are factors affecting diesel engine speed?
In a diesel engine, what determines its speed? I want to learn the main factors.
For example, I think one factor is the amount of injected fuel, another factor is the torque demand.
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3-way differential
I am interested in finding a way to facilitate constant 6-wheel drive utilising a centre differential that splits the torque from the gearbox between the 3 axles while allowing them to vary in ...
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Are all autonomus vehicles (self driving cars) electric vehicles (EV) or are some also internal combustion engines (ICE)?
Are all autonomous vehicles (self driving cars) electric vehicles (EV) or some are also internal combustion engines (ICE)?
I was having a discussion with my friend and he was insisting that all ...
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How can I connect F=ma to Drag=1/2*Cd*(rho)*V^2*A?
I previously posted a different question that was very vague. I have kept working on the problem, and now I have a different question. Please let me know if I should have just added it to the old ...
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Max torque given in engine specification is indicated torque or brake torque?
I want to calculate brake torque from indicated torque for motorcycle.