Newest Questions
17,063 questions
0
votes
1
answer
17
views
Was computing technology advanced enough to achieve a nearly fully automated economy in the mid-20th century?
I came across a very interesting Reddit post from a Redditor who claimed that he had worked as a software engineer for nearly 20 years. He said the following about the world's capacity to fully ...
0
votes
0
answers
11
views
Problem with gear teeth when trying cut out a ball joint gear
and thank You for Your time.
For my Batchelor's thesis I am trying to male a robot inspired by the ABENICS Ball Joint. I want to create a monopole gear in Solidworks by continuously pasting a sketch ...
0
votes
0
answers
20
views
what is the best material and design for a toy race car?
I might be a little too young to be on this website, but my teacher told me to do this project.
here's the rules:
Design Rules:
Dimensions
Maximum length: 25 cm
Maximum width: 12 cm
Maximum height: ...
0
votes
0
answers
30
views
stresses in framed structures using Cremona/Maxwell diagram
In the picture above, is fig 9 correct?
Using the scale in pounds shown there, the 70LBS line seems to be correct, where line a seems to be more or less 110 lbs and line b seems to be more or less 130 ...
-1
votes
2
answers
50
views
Why steam locomotive pistons don't have inertia?
Looking at steam locomotives, the wheel bars that go in and out of the cylinder change direction instantaneously.
There is no gradually slowing down in the original direction then coming to a halt, ...
0
votes
2
answers
21
views
Uncertainty of difference in measurement over time
I have time history data from a pressure sensor. According to its calibration, the sensor measurement has uncertainty $\sigma$. I am seeing a pressure drop over time where the change is less than $\...
-1
votes
0
answers
16
views
historical suction pumps vs force pumps: do suction pumps put less strain on materials, and require less effort to work?
I'm trying to understand engineering considerations related to historical water pumps, for example comparing the Ktesibios-type pump (Ktesibios, including diagram) and the al-Jazari-type pump (al-...
0
votes
0
answers
24
views
Excessive play in revolute joints for a SCARA
Not a mechanical engineer here. In fact, I have no experience whatsoever prior to this project. I am a master's student and I study robotics and artificial intelligence, although robotics from a ...
0
votes
0
answers
27
views
How would I attach a riser to the side of my headphones
I am working on a project where I'm going to attach some buttons and an ESP32 to the side of my headphones. The problem is that the side of my headphones isn't flat:
Because I want to mount the ESP32 ...
0
votes
1
answer
22
views
Why aren't transistors stacked in silicon chips?
I have learned that silicon chips are manufactured with a base layer of transistors and upper layers of interconnects.
Why can't these upper layers of interconnects be replaced with additional ...
0
votes
0
answers
22
views
Wall thickness for a polycarbonate camera case, pressure resistant to 1500kPa
I may never make this (budget) but I'd like to understand what wall thickness an irregular shaped SLR camera housing would need. I'm not after optimum, I'm after safe but reasonable over-engineering ...
-1
votes
0
answers
18
views
How is thermal analysis used in your metal post-processing workflow?
I’m looking to better understand how thermal analysis is applied in various metal post-processing operations such as:
Heat treatment, additive manufacturing / 3D printing, welding, brazing, soldering, ...
0
votes
1
answer
67
views
Axial load profile for a submerged pipe. How can this textbook be correct?
In "Well completion design" by Bellarby, first edition (2009), the author discusses buoyant force and gives an example of an open-ended pipe which is partially submerged in liquid and ...
0
votes
1
answer
25
views
Design a serial elevator with priority
I am looking to develop a multi-sections telescopic lift, powered by a cable winch. There are existing designs available like on the picture enclosed. I would like to design the system / cable ...
0
votes
1
answer
34
views
What happens on loss of coolant in gas cooled nuclear reactor?
For example if gas cooled nuclear fission reactor loses its coolant (CO2 or helium) due to a leak, what would happen. I expect it would be replaced by air which, if I understand correctly would ...