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  1. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    Yet you attempt to compare aviation with CNC and robotics. I don't see anyone misunderstanding CNC and robotics. You're trying to compare the motion of CNC machining or robotic motion, which is programmed into the system; this is an invalid comparison because multiple lives aren't at stake...
  2. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    Here is the preliminary report: https://aaib.gov.in/What's%20New%20Assets/Preliminary%20Report%20VT-ANB.pdf See especially pages 14 to 15.
  3. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    It is not a matter of scrutinizing. It is a matter of properly interpreting the actions of those in the imprecise information contained in the video. Again, "Contrary to popular opinion, compared to the precise data provided by the DFDR and forensic evidence, video imaging is an imprecise form...
  4. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    "...Contrary to popular opinion, compared to the precise data provided by the DFDR and forensic evidence, video imaging is an imprecise form of information. If an image shows a pilot’s hand moving toward a switch or moving his or her leg, that does not prove that he/she activated that switch or...
  5. MolaKule

    Is a VOA a necessity before doing UOA?

    You need a VOA base line to determine the general addpack signature and starting viscosity for comparison when the UOA results are returned. In my opinion, yes.
  6. MolaKule

    Q&A on Aircraft Structures II

    One last exercise in the Aviation Forum. Fill in the missing words: A ------- is usually a light-weight, non-structural component and is usually made of ----------.
  7. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    At this point i would say a thorough Human Factors assessment is needed.
  8. MolaKule

    MolaKule Q&A on Aircraft Structures VII Engines

    Very good. Here is a slide show from Georgia Tech, see page 4 of 8; https://seitzman.gatech.edu/classes/ae4451/combustors.pdf See Operational Principle here for more info on Pressure, Temperature, and Flow Rate...
  9. MolaKule

    MolaKule Q&A on Aircraft Structures VII Engines

    The combustors are positioned immediately after the last high-pressure stage. Fuel is injected inside the combustor to create hot, high-velocity gases. Question: Name the three types of combustor chamber designs.
  10. MolaKule

    MolaKule Q&A on Aircraft Structures VII Engines

    Consider that the converging duct geometry assists the low- and high-pressure compressors as they create a pressure rise toward the combustors; increasing pressures increase temperature for the combustor. The diverging duct assists the turbines in capturing the energy needed to turn the fan and...
  11. MolaKule

    MolaKule Q&A on Aircraft Structures VII Engines

    The core of an axial flow jet engine contains the low-pressure compressor, the high-pressure compressor, the combustor, and high- and low-pressure turbines. The internal shape, from the low-pressure section to the combustor, is one of a converging duct. The internal shape, from the combustor...
  12. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    The Air Current is presently reporting that, "Data from the Dreamliner black box points investigators toward improper, inadvertent, or intentional pilot actions" wrt engine control switches. They have a picture of the engine's fuel control group...
  13. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    The FADEC has at least two voltage sources as described here in the requirements for Section 4: Section 4, FADEC power supply control system design scheme https://www.icas.org/icas_archive/ICAS2022/data/papers/ICAS2022_0023_paper.pdf
  14. MolaKule

    Air India Flight AI171 (Boeing 787-8) Crash

    Simple Flying had this snippet today: "...Investigators are examining all possible causes behind the crash. Apparently, a week after the incident, at least three Air India training pilots from the airline’s Boeing 787 fleet conducted simulator sessions in Mumbai to replicate likely scenarios...
  15. MolaKule

    Coconut oil, low HTHS

    Most Vegetable Oils (VO) are transesterified into functional esters, including coconut oils. See this paper, Section 3., Transesterification Chemically Modifying Vegetable Oils to Prepare Green Lubricants, https://www.mdpi.com/journal/lubricants "...Vegetable oils used directly as base stocks...
  16. MolaKule

    $200 transfer tax removed for short barreled rifles and shotguns

    I never said this is the courts responsibility. In many of the court's decisions, however, they have stated that certain statutes may need to be modified or clarified by the Congress, effectively throwing the issue back in the lap of Congress...
  17. MolaKule

    $200 transfer tax removed for short barreled rifles and shotguns

    Or, the court may ask Congress to modify and or clarify the law.
  18. MolaKule

    Can fumes of used oil make you dizzy?

    Or, these numerous open containers are outgassing a lot of volatiles.
  19. MolaKule

    Can fumes of used oil make you dizzy?

    Fumes are usually gases resulting from combustion. If your garage door was closed for any amount of time you may have had CO2 poisoning. Unless you had volatiles mixed with the mo's, vapors from open containers of mo's don't usually pose a threat.
  20. MolaKule

    The IRS is erroneously nullifying vehicles that qualify for the EV Used Car Tax Credit.

    Not open for further replies pending Admin discussion on veracity of posts.
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