tutorial · HACKER NEWS RECOMMENDATION
U.S. NAVY BASIC MECHANISMS OF FIRE CONTROL COMPUTERS MECHANICAL COMPUTER INSTRUCTIONAL FILM 27794
PeriscopeFilm · 11 HN recommenders · 11 recommendation months
Recommended by 11 Hacker News commenters across 11 months (2018–2026).
SignalTube analysis
Among 3 other tutorial videos tagged Mechanical & precision engineering, the mean is 3.3 distinct HN recommenders. This video has 11 distinct HN recommenders, about 3.3× that mean. Recommendations span 11 distinct months, longer than the peer average of 3.3 months. This is a data-derived comparison, not a human review or quality rating.
65% of its 17 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2018–2026; those years describe discussion history, not upload date. A verified runtime is not present in the current metadata snapshot. A verified YouTube publication date is not present in the current metadata snapshot.
- Channel / speaker
- PeriscopeFilm
- Verified runtime
- Not verified in the current YouTube metadata
- YouTube upload date
- Not verified
- Hacker News mention years
- 2018–2026
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other tutorial videos in Mechanical & precision engineering. “Shared recommenders” counts HN users who recommended both videos in the source graph.
| Video | HN recommenders | Recommendation months | Positive label share | Shared recommenders | Runtime | Upload date |
|---|---|---|---|---|---|---|
| U.S. NAVY BASIC MECHANISMS OF FIRE CONTROL COMPUTERS MECHANICAL COMPUTER INSTRUCTIONAL FILM 27794Current video | 11 | 11 | 65% | — | Not verified in the current YouTube metadata | Not verified |
| How Differential Gear works (BEST Tutorial)tutorial · ConceptVBS | 5 | 5 | 100% | 1 (9%) | Not verified | Not verified |
| Clockmaking - How To Make A Clock In The Home Machine Shop - Part 1 - Making The Clock Framestutorial · Clickspring | 3 | 3 | 100% | No recorded overlap | Not verified | Not verified |
| The Secret Life of components. A series of eight guides for designers and makers by Tim Hunkintutorial · tim hunkin | 2 | 2 | 67% | No recorded overlap | Not verified | Not verified |
THREE SOURCE-BASED CONTEXT POINTS
Why Hacker News recommends it
Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.
The archive classifies this as a contextual reference in “The electromechanical angle computer inside the B-52 bomber's star tracker”. Its short rationale: Old training videos showing how fire control worked.
The archive classifies this as a joke in “In 1926, TV Was Mechanical”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a recommendation in “Basic Mechanisms In Fire Control Computers (1953) [video]”. Its short rationale: Section on differential gears as computing units.