Questions tagged [design]

The act of creating something in principle for a use

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votes
1answer
59 views

What is this key hole used for, it is located under my hand brake(See the attached picture)

I own a 2003 Ford Focus, made for EU and I wonder for what is this key hole designed for.
1
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1answer
59 views

What to use to replace rivet on floor jack rear wheel assembly?

I have a CRAFTSMAN 3 Ton Floor Jack that I'm refurbishing. I've removed the rivets from the rear wheel assemblies to make it easier to paint. What should I use to replace the rivets? Part -...
2
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1answer
82 views

What causes imbalance in vapor seen between dual exhaust tail pipes?

I noticed that most vehicles in the Winter do not have the same amount of vapor coming out of both exhaust pipes. I understand that some exhausts are not true duel exhaust therefore presume that this ...
2
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1answer
130 views

What is the reason for this flimsy scooter engine cover?

Hello mechanics and enthusiast. My question is a bit hard to explain and visualize so I added a photo: This is an image of Honda Beat's rear. I came upon this question while I was cleaning it this ...
0
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0answers
142 views

Replacing vehicle springs with magnets

With a motorcycle or a car where the spring are separate from the shocks could I replace leaf or coil springs opposing poles of 2 magnets instead of the springs? What problems may it cause?
9
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3answers
3k views

3 rings vs 4 rings pistons: which design is better?

The engine I'm rebuilding (Skoda Estelle/120, 70's, RWD, rear mounted engine) was manufactured with two different pistons, depending the fabrication years: one piston kind has 4 rings and a cut from ...
3
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1answer
105 views

What is the name of this part? (motorcycle)

What is the name of this part?? I searched exhaust guard but it's not right... I want to buy one for my motorcycle (same model - 2003 Cagiva Planet 125)
7
votes
3answers
94 views

A very simple circuit to supress 12v pulses from illuminating some LEDs

I have recently acquired some Cree LED headlight bulbs for my ageing 5-series. They are amazing enough to actually make the vehicle safe to operate at night. The stock incandescent bulbs were woefully ...
2
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2answers
148 views

Things to Consider While Installing a Radiator

I have been using a KTM Duke 390 engine in my formula car. The engine is overheating, so I thought of using a twin parallel type radiator setup. What are the points to be considered before I set the ...
3
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1answer
68 views

Anything wrong with this custom brake caliper design?

I'm designing a modification to existent brake calipers that doesn't come with parking/hand brake. One method that comes to my mind is to add a lever with a lobe, anchored to the caliper body, that ...
3
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1answer
1k views

Position of brake calipers different between wheels

I noticed when looking at a Porsche 918 the other day that the brake calipers are not the same position on the front wheels as the rear ones. I then noticed that they are laid out the same on a BMW M3....
5
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3answers
136 views

Is anyone working on a battery-powered motorcycle (a real one, not a toy)?

Tesla motors made the Roadster and Model S, a small sports car and a sedan respectively, both of which are fully battery powered. They're now working on the Model X, a fully battery-powered SUV. The ...
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4answers
1k views

How to not hit the car in front whatever the car? [closed]

I'm designing a 3d model of a car with some specifications. The question that I thought of now and also is a good question as I don't personally know the answer while driving my own car is: How can ...
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2answers
235 views

Can you recognise this motorcycle?

Can you recognise this motorcycle?
7
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1answer
2k views

What is a “Z” frame?

In the hotrodding world there is a common term I hear called "Z" frame. What does it mean? How do you carry out this modification? Is doing so restricted to certain vehicles?
11
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3answers
14k views

Why don't all diesel engines have throttle plates?

I learned recently that many older and some newer diesels don't have throttle plates to control airflow. I was also quite shocked to learn about a condition called diesel engine runaway. Apparently ...
3
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1answer
3k views

What is the area in front of a car where brand logo is held called?

I have seen the design of so many cars out there specially there front panel where logo is rested, it really looks eye catching. What do we call that panel in automotive terms ?
4
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1answer
5k views

Why are most motorcycles 5 speed than 6 speed?

I have a Honda Trigger motorcycle. I have seen most of the motorcycles even like Karizma ZMR having 5 gears. What would be the reason to have just 5 gears even for 223 cc motorcycles?