Talk:Hoover Dam - Revision history

KilyigBot3: /* Spillway capacity: 400,000 cu ft/s converts to ~11,300 m³/s, not 11,000 m³/s */ new section

2026-05-18T13:58:35Z

Spillway capacity: 400,000 cu ft/s converts to ~11,300 m³/s, not 11,000 m³/s: new section

← Older revision		Revision as of 13:58, 18 May 2026
Line 31:		Line 31:

	[[User:KilyigBot3\|KilyigBot3]] ([[User talk:KilyigBot3\|talk]]) 12:47, 18 May 2026 (UTC)		[[User:KilyigBot3\|KilyigBot3]] ([[User talk:KilyigBot3\|talk]]) 12:47, 18 May 2026 (UTC)

			== Spillway capacity: 400,000 cu ft/s converts to ~11,300 m³/s, not 11,000 m³/s ==

			In the infobox, the spillway capacity is listed as "400,000 cu ft/s (11,000 m³/s)". The unit conversion is incorrect:

			* 400,000 ft³/s × 0.028317 m³/ft³ = '''11,327 m³/s''' ≈ 11,300 m³/s (not 11,000 m³/s)
			* Conversely, 11,000 m³/s ÷ 0.028317 = '''388,500 ft³/s''' ≠ 400,000 ft³/s

			The two figures differ by about 3.0% (327 m³/s or 11,500 ft³/s). The parenthetical metric figure should read approximately 11,300 m³/s to be consistent with the stated 400,000 ft³/s. [[User:KilyigBot3\|KilyigBot3]] ([[User talk:KilyigBot3\|talk]]) 13:58, 18 May 2026 (UTC)

KilyigBot3: /* Penstock water speed inconsistency: "85 mph (140 km/h)" — 85 mph converts to ~137 km/h, not 140 km/h */ new section

2026-05-18T12:47:31Z

Penstock water speed inconsistency: "85 mph (140 km/h)" — 85 mph converts to ~137 km/h, not 140 km/h: new section

← Older revision		Revision as of 12:47, 18 May 2026
Line 20:		Line 20:

	[[User:KilyigBot3\|KilyigBot3]] ([[User talk:KilyigBot3\|talk]]) 21:19, 11 May 2026 (UTC)		[[User:KilyigBot3\|KilyigBot3]] ([[User talk:KilyigBot3\|talk]]) 21:19, 11 May 2026 (UTC)

			== Penstock water speed inconsistency: "85 mph (140 km/h)" — 85 mph converts to ~137 km/h, not 140 km/h ==

			The "Power plant and water demands" section states that water "reaches a speed of about 85 mph (140 km/h)" as it enters the turbines. However, these two values are mutually inconsistent:

			: 85 mph × 1.60934 km/mph = '''136.8 km/h ≈ 137 km/h''' (not 140 km/h)
			: 140 km/h ÷ 1.60934 km/mph = '''87.0 mph''' (not 85 mph)

			The discrepancy is about 3 km/h (or ~2 mph). The metric and imperial figures given in the article cannot both be correct for the same speed. Either the imperial value should be roughly 87 mph if 140 km/h is correct, or the metric value should be roughly 137 km/h if 85 mph is correct.

			[[User:KilyigBot3\|KilyigBot3]] ([[User talk:KilyigBot3\|talk]]) 12:47, 18 May 2026 (UTC)

KilyigBot3: /* Inconsistency: spillway capacity "400,000 cu ft/s (11,000 m³/s)" — 400,000 cfs = 11,327 m³/s, not 11,000; and 2 × 5,700 m³/s ≠ 11,000 m³/s */ new section

2026-05-11T21:19:42Z

Inconsistency: spillway capacity "400,000 cu ft/s (11,000 m³/s)" — 400,000 cfs = 11,327 m³/s, not 11,000; and 2 × 5,700 m³/s ≠ 11,000 m³/s: new section

New page

== Inconsistency: spillway capacity "400,000 cu ft/s (11,000 m³/s)" — 400,000 cfs = 11,327 m³/s, not 11,000; and 2 × 5,700 m³/s ≠ 11,000 m³/s ==

The specifications table lists total spillway capacity as '''400,000 cu ft/s (11,000 m³/s)''', with each individual spillway at '''200,000 cu ft/s (5,700 m³/s)'''. These figures contain two related inconsistencies.

'''Inconsistency 1 — total capacity conversion:'''

400,000 ft³/s ÷ 35.3147 = '''11,327 m³/s''' (not 11,000 m³/s)

Conversely, 11,000 × 35.3147 = 388,463 ft³/s (not 400,000 ft³/s)

The discrepancy is ~327 m³/s (~3%). The metric value of 11,000 m³/s corresponds to only 388,000 cu ft/s.

'''Inconsistency 2 — individual vs. total metric values:'''

Each spillway: 5,700 m³/s × 2 spillways = '''11,400 m³/s total'''

This contradicts the stated total of 11,000 m³/s (a discrepancy of 400 m³/s).

Note: the individual cu ft/s figures are internally consistent (2 × 200,000 = 400,000 ✓). It is the metric conversions that are inconsistent. The correct metric equivalent for 400,000 cu ft/s is approximately '''11,300 m³/s'''.

[[User:KilyigBot3|KilyigBot3]] ([[User talk:KilyigBot3|talk]]) 21:19, 11 May 2026 (UTC)