r/AskEngineers is a subreddit with 2.7M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses engineering, mechanical, struggling, looking for, and career, and they frequently recommend/review cad software, coding language, and webshop.
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
: "Why do skyscrapers in the US seem to use a lot more steel beams while everywhere else they seem to favor reinforced concrete?"
19 posts
#2
Solution Requests
: "I am over the weight limit for the kids loft bed I bought. Can I engineer a solution?"
9 posts
#3
Ideas
: "Are hydrogen powered combustion engines possible for mass market cars?"
2 posts
#4
Pain & Anger
: "Concerns about excess weight on wooden ceiling joists in residential home"
1 post
Popular Topics in r/AskEngineers
#1
Engineering
: "What's the most expensive Engineering mistake you've personally witnessed?"
240 posts
#2
Mechanical
: "How Mechanically difficult would the Antikythera Mechanism have been to build with ancient tools?"
72 posts
#3
Struggling
60 posts
#4
Looking For
: "Future engineer needs help choosing a field"
55 posts
#5
Career
: "Career Monday (25 May 2026): Have a question about your job, office, or pay? Post it here!"
37 posts
#6
Job
33 posts
#7
Electrical
: "Best way to combine small Electrical motors to drive a single shaft, junkyard parts only?"
29 posts
#8
Looking
21 posts
#9
Advice
19 posts
#10
Struggle
17 posts
Products Discussed in r/AskEngineers
Cad Software
9 reviews
#1
PTC Creo
4.0★ from 2 reviews
#2
Siemens NX
4.0★ from 2 reviews
#3
Autodesk Inventor
4.0★ from 2 reviews
Coding Language
5 reviews
#1
Python
4.3★ from 3 reviews
#2
Arduino
4.0★ from 1 review
#3
C++
4.0★ from 1 review
Webshop
4 reviews
#1
Fabory
4.0★ from 3 reviews
#2
Accugroup
5.0★ from 1 review
Flair Used in r/AskEngineers
#1
Discussion
: "How long would it take (and how exactly) for a smart and creative engineer to figure out how to charge their mobile phone if they were teleported to New York in 1890?"
80 posts
#2
Mechanical
: "Could I push a large wind turbine"
69 posts
#3
Electrical
: "Would it be possible to make a small, focused EMP to take out Meta Glasses"
20 posts
#4
Civil
: "If Roman concrete could self-heal and last 2,000 years, why does modern concrete still crack and fail in decades?"
15 posts
#5
Chemical
: "Battery makers of Reddit; is there any difference in alkaline batteries on market?"
7 posts
#6
Computer
: "Questions about working as a computer engineer"
7 posts
Member Growth in r/AskEngineers
Yearly
+61k members(2.3%)
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About
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Last updated: June 15, 2026