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r/AskEngineers

2.4M members
r/AskEngineers is a subreddit with 2.4M members. Its distinguishing qualities are that the community is massive in size, and has high activity.
Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines.

Popular Themes in r/AskEngineers

#1
Advice Requests
: "What would be involved in modding a car to be high reliability instead of high performance?"
59 posts
#2
Solution Requests
: "Hypothetically, how would you confirm or deny the rumored presence of a 300-ton railroad locomotive under fifty feet of fill? What tools would be able to definitively put this rumor to rest?"
43 posts
#3
Pain & Anger
: "Why does the alignment of the California Aqueduct curve back and forth instead of a straight(ish) line?"
14 posts
#4
Money Talk
: "What is the most expensive engineering-related component of housing construction that is restricting the supply of affordable housing?"
4 posts

Popular Topics in r/AskEngineers

#1

Engineering

: "What is the most expensive Engineering-related component of housing construction that is restricting the supply of affordable housing?"
17 posts
#2

Water

: "Would buried PVC pipe under 5 gal bucket keep Water from freezing? "
7 posts
#3

Design

: "What’s the practical advantage of using a phased array antenna instead of a simple reflective Design?"
6 posts
#4

Heat

: "How is the piping installed for ground source Heat pumps at a depth of hundreds of feet?"
5 posts
#5

Materials

: "Why can’t a reverse microwave work?"
5 posts
#6

Generator

: "Trying to build a sine-wave Generator using a Wien-bridge Op-Amp setup, but my circuit isn't working. What am I doing wrong and how can I fix it?"
3 posts
#7

Corrosion

: "Are there galvanic Corrosion issues with running a copper tube lengthwise through galvanized pipe?"
3 posts
#8

Temperature

: "Will cooling a weld at sub zero air Temperature act like quenching a weld"
3 posts
#9

Motors

: "Why not 4 Motors for every EV? Cost delta?"
3 posts
#10

Mechanical

: "If you dropped a skyscraper from a few feet off the ground would it break apart?"
3 posts

Member Growth in r/AskEngineers

Daily
+2k members(0.1%)
Monthly
+103k members(4.4%)
Yearly
+1.6M members(206.2%)

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