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0

Because the doors need double the space of the compartment to open, they need to go somewhere you know... so if an engineer decided to use that extra space needed for the door to open, as space for the compartment, someone would ask: why is the door narrower than the compartment? :) PS. I don't know about you but the elevators I've been using have doors to ...


1

Its a design choice. Wide, fast opening doors vs other design and cost and satety/space considerations


2

Nowadays, it's done more out of tradition and convention than for functional reasons While the original purpose of the reversed 'AMBULANCE' was better readability, advances in lighting, safety design, and understanding of visual cognition have rendered this lettering of secondary importance. Some issues with the reverse AMBULANCE signage: The word is ...


0

I´m missing some context. Is the space retail? Are the stairs an escalator, or are they static? The use of promotional material at POS and Out of Door tends to be either a five second informational burst based on your users journey times or a series of images and information pieces subject to differing parallax treatments. The best examples I´ve seen are ...


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Your friend is probably right Assuming you actually want people to view the content, that's one of the worst places in the room to place a TV display. You not only have a staircase with (presumably) two-way traffic, but also a blind hairpin turn where traffic coming in and out of the main doors rounds the corner to climb the stairs. Adding a visual ...


4

There are certain sports where a neck-proximate pocket would make sense, but given the shape of this particular pocket I'm almost positive it's decorative and not functional. For road cycling, where a rider is crouched, side or chest pockets are hard to reach so a neck-proximate pocket could provide betterUX. For climbing, a climber's chest is often close to ...


2

In a report and ebook published by ustwo, the authors argue that traditional dial-based instrument clusters are feature-rich but context-poor in that all information is displayed at all times. For example, the speed and rev dials are displayed even when the car is stationary. Instead, they propose that showing only the most appropriate information to a ...


5

There is a lot of research on this topic. 1. Overview Here's an excellent review from the University of Michigan Transportation Research Institute on the performance of different gauge designs, including linear, radial, and others: http://deepblue.lib.umich.edu/bitstream/handle/2027.42/793/78868.0001.001.pdf?sequence=2 It covers a broad range of gauge ...


0

To put it simply: people DO go that fast in conventional cars - when they take them to the race track. There are plently of open public race tracks in the United States, and they don't all require you to take or own a race car in order to drive them. In fact, there's plenty of races that pit completely unmodofied commercial cars against each other. Not ...


5

Actually, the US is one of the few places to have enforced a limit on the maximum speed shown on a speedometer (reportedly to stop people trying to "speed test" their vehicles). For vehicles produced from 1979 to 1981, you'd only see vehicles showing up to 85mph: *The same law dictated the highlight at 55mph ...


0

Zhaki nailed it. In addition, there is some benefit in a gauge of placing the most common reading in the middle of its range rather than close to the high end. Many measuring devices exhibit different systemic errors in the mid range than they do at the top end. Old fashioned voltmeters and multimeters behaved this way. you could get a slightly more ...


1

I think it's far more mysterious why some people would think that a speedometer would omit showing speeds above typical speed limits. The jurisdiction of laws is limited to specific roads. There are places where one can drive at higher speeds than highways, such as private race tracks. Also, if your speedometer was so in awe of typical speed limit laws ...


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Speedometers are an good example of UX hierarchy of needs The aspirational speed markings (e.g. above 130mph) are functionally useless for many cars, but they enhance the driver's experience by providing the illusion of performance for drivers who have spent tens or even hundreds of thousands of dollars on their car. Aspirational markers may be ...


2

The UX aspect of this is that by squishing all the important detail into a smaller part of the dial it makes it harder to read and less sensitive to minor variations in speed - particularly if the speedo is trying to show both kms and miles. And it begs the UX question as to why the analogue speedometer doesn't seem to have been replaced with the digital ...


2

I imagine there's some parts commonality going on. My Toyota has a 140 mph speedo which is shared among a number of models. Mine is a sports car that I take to the track and have hit 125 mph in. Track users kind of need the speedo to go that high, other people don't, but there's no extra cost in setting the speedo higher and being able to use one across ...


4

It's often set so 65mph / 110km/h (which is a common speed travelled on the highway in north america, legal or otherwise) is on top. It makes it easier to glance down and see your speed on the highway. If it's pointing up, everything's good.


37

Others have focused on the psychological effect of the practice, primarily with relation to sales. But I'd like to focus on what one should think of with a speedometer that is free of these sort of plots. Different countries different rules In places like Germany or the Isle of Man, there are highways on which there are no speed limits. Different ...


40

Doing a Google search for "Why do speedometers go so high?" yields the following top 5 links: http://ask.metafilter.com/182569/Why-do-speedometers-go-so-high http://mentalfloss.com/article/59478/why-do-car-speedometers-list-speeds-are-way-over-legal-limit ...


2

It is the same here in Europe. I think it is for 3 reasons: Industry costs: It would be too expensive to make different speedometers models for each car based on their max speed Precision: Depending on the speed, speedometers can be quite unprecise (+/- 5 km/h). Increase the scale allows to hide that fact. Marketing: Have the same speedometer scale for a ...


5

Interesting question. Looking around online, it seems to be a combination of marketing (makes the consumer think the engine is powerful) and manufacturing efficiency (can use the same speedometer in faster cars as well as minivans). http://mentalfloss.com/article/59478/why-do-car-speedometers-list-speeds-are-way-over-legal-limit


4

A rather drastic solution would be to add a 'sticking-up' metal or plastic spike on the purple board just to the left of the connector which sticks up just high enough to prevent the blue board from being fitted across it.


0

If you happen to have the resources to rearrange your layouts, you could arrange the two rows of plugs and pins in an "L"-or "T"–shape – this way there would only be one way how to plug them.


5

You don't have a lot of space on your board for markings. I'm going to assume the following: You can't expand the size of the purple board. You can't force a pairing indicator on the blue board (e.g. it's made by some other party). In this case, it's hard to convey precise orientation within these hard constraints. But what you can do with the limited ...


2

The way you indicate this commonly for atmega chips is to have the half moon symbol printed on the PCB: The convention should be familiar to your target audience, so if you were to put some kind of shape on the board that matched up to a similar shape on the secondary board, then you would have something that would be intuitive. If you don't have control ...



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