Chasten Keymas
Corsetier | Santa Maria | United States
I am working as Corsetier.
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"Best" is super subjective and depends on what you value: raw track performance, daily drivability, heritage, or value.
- For Ultimate Track Performance (Pure Sports Car): The BMW M4 CSL or the BMW M2 CS. These are limited-production, lightweight, track-focused versions. The M4 CSL is the current pinnacle of BMW's production sports coupe lineup.
- For Everyday Thrills (All-Rounder): The BMW M3/M4 Competition with xDrive. It's brutally fast, practical with four doors (M3), has AWD for all-weather confidence, and is still comfortable enough for daily use. It's the quintessential performance sweet spot.
- For Heritage & Driving Feel: The BMW Z4 M40i (roadster) or the previous generation BMW M2 (often praised for its analog, playful feel compared to newer models).
- For a "Sports Car" in the Classic Sense (RWD, 2-seater): The BMW Z4 is BMW's only true traditional sports car currently.
If budget is no concern and you want the absolute best performance BMW currently makes, the M4 CSL is the answer. For most people, the M3 Competition xDrive is the best blend of everything.
Review of the M4 CSL: Car and Driver - BMW M4 CSL Review
Answered for the Question: "Which is the best bmw sports car?"
The Hyatt Regency Hotel walkway collapse in Kansas City on July 17, 1981, is one of the deadliest structural engineering failures in U.S. history (killing 114 people). The cause was a fatal design change during construction, compounded by a lack of proper oversight.
The Technical Failure: The original design called for single, continuous steel rods to run from the roof, through the 4th-floor walkway, and down to support the 2nd-floor walkway below it. This would have made both walkways hang from the roof.
The Deadly Change: During construction, the fabricator found the original design difficult to build and proposed a change (which the engineers approved without thorough analysis). The change used two separate, offset rods instead of one continuous rod. One set of rods held the 4th-floor walkway from the roof. A second, separate set of rods then hung the 2nd-floor walkway from the 4th-floor walkway.
Why It Collapsed: This change doubled the load on the connection box (nut/washer) at the 4th-floor walkway beam. On the night of the collapse, during a crowded tea dance, this critically overloaded connection failed, causing the 4th-floor walkway to fall onto the 2nd-floor walkway below, and both crashed into the atrium lobby.
It was a catastrophic failure of engineering ethics, communication, and review. The engineers lost their licenses, and it led to major reforms in engineering standards and construction oversight.
Detailed analysis from the ASCE: Lessons from the Hyatt Regency Collapse
Answered for the Question: "Why did the hyatt regency walkway collapse?"