Combustion Engine Web-Based Simulator
Engine simulator
People find this open-source engine simulator fun and cool for beginners, with plausible outputs for real engines. Critics say some physics and animations are inaccurate.
People find this open-source engine simulator fun and cool for beginners, with plausible outputs for real engines. Critics say some physics and animations are inaccurate.
15 people gave an opinion
- recommend it
- 10
- criticize it
- 5
- approval share
- 67%
Recommended in 1 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 10 people recommend itNeeds 10 or more, met.
- 2 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 1 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Fun and cool for beginners
“Seems a bit optimistic, but still fun to play with.”
Comment from 10 Jul 2026 in “Combustion Engine Web-Based Simulator” “Imho, pretty cool, nonetheless.”
Comment from 11 Jul 2026 in “Combustion Engine Web-Based Simulator” “It's pretty cool for beginners.”
Comment from 11 Jul 2026 in “Combustion Engine Web-Based Simulator” Plausible numbers for real engines
“Nice little project, I inputted the dimensions of a engine I've been building”
Comment from 10 Jul 2026 in “Combustion Engine Web-Based Simulator” “it seems reasonable with around 400HP and 450lbf for a 400ci NA V8”
Comment from 11 Jul 2026 in “Combustion Engine Web-Based Simulator”
What people warn about
Each mark is one comment
Physics and animations often inaccurate
“Nothing has an effect on redline RPM, you can create compression and turbo combos that would instantly grenade an engine”
Comment from 10 Jul 2026 in “Combustion Engine Web-Based Simulator” “And like 60% of the animations were technically just wrong.”
Comment from 10 Jul 2026 in “Combustion Engine Web-Based Simulator” “Seems a bit optimistic, but still fun to play with.”
Comment from 10 Jul 2026 in “Combustion Engine Web-Based Simulator”
What people said
13 of the 15 comments that mention it, newest first. Each links to the original comment.
“It's pretty cool for beginners.”
“Imho, pretty cool, nonetheless.”
“The real thing has been running for 56,000 miles, so it can't be that bad.”
“it seems reasonable with around 400HP and 450lbf for a 400ci NA V8”
“And like 60% of the animations were technically just wrong.”
“I love that it was open sourced”
“Nice little project, I inputted the dimensions of a engine I've been building”
“Nothing has an effect on redline RPM, you can create compression and turbo combos that would instantly grenade an engine”
“Seems a bit optimistic, but still fun to play with.”
“actual movements with live diagrams looks great”
“The language on the “how it works” page is unmistakably LLM output.”
“This is like a much cooler version of a thing I made”
“Setting the throttle to 0% seems to do nothing?”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.