The NoonPi Blog2024-09-05T13:38:10-04:00
3May 2021

Digitally Signing and Sealing Your Plans

May 3rd, 2021|Categories: Tuesday Tidbits|4 Comments

Digital Signatures are added with the aid of a third-party authentication program, which both ensures that the Professional Engineer is the one signing the document and prevents future repudiation. The authentication programs can vary, but they function by assigning an individual “certificate” that verifies identity ...

29April 2021

Airplane Propeller-Induced Flutter

April 29th, 2021|Categories: Friday Famous Failures|8 Comments

One night in September 1959, a Lockheed Electra L-188A turboprop aircraft with 28 passengers and 6 crew apparently disintegrated mid-flight over Buffalo, Texas. The Electra was new at the time, the first large turboprop airliner built by a United States aircraft company ...

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