Questions tagged [design]
The act of creating something in principle for a use
21 questions
2
votes
1
answer
206
views
Advantage of criss-crossed U-bolts
This spare tire trailer mount (Thule) has crisscrossed U-bolts:
I would have thought regular U-bolts, arranged vertically, would have been adequate for holding a spare wheel bracket to a trailer ...
- 1,503
0
votes
1
answer
744
views
Reverse flow head vs Cross flow head
Wikipedia says that Cross Flow cylinder heads induct the charge better because the gases doesn't have to change direction from intake to exhaust. Thus the higher inertia of flow of gas in one ...
- 221
-2
votes
1
answer
139
views
New steering invention
I was in the grocery store and noticin how the shopping cart front wheels work.
It's not like a car where there's all kind of ridiculous connections that can all go bad and where the chances of one ...
- 51
0
votes
1
answer
80
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
vote
1
answer
105
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
-...
- 113
2
votes
1
answer
322
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 ...
user22295
2
votes
1
answer
402
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 ...
- 161
0
votes
0
answers
284
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?
user22295
9
votes
3
answers
5k
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 ...
- 3,356
3
votes
1
answer
143
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)
- 491
7
votes
3
answers
180
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 ...
- 191
2
votes
2
answers
166
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 ...
srijan acharya
3
votes
1
answer
115
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 ...
- 3,356
3
votes
1
answer
2k
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....
- 621
5
votes
3
answers
196
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 ...
- 151
0
votes
4
answers
2k
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 ...
- 109
7
votes
2
answers
251
views
7
votes
1
answer
4k
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?
- 4,740
11
votes
3
answers
18k
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 ...
- 33k
3
votes
1
answer
5k
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 ?
- 133
4
votes
1
answer
7k
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?
- 143