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  1. TugboatEng

    Detroit nozzle

    I don't know what argument you're trying to make. Anyone that works with this will know nozzle and injector are used interchangeably. These parts require calibration so the actual nozzle on the injector is not sold separately. The number in OP's picture is the trim code which determined during...
  2. TugboatEng

    Honda Recall - 3.5L main bearing problems

    Sure, let's go back to poured babbitt bearings.
  3. TugboatEng

    Honda Recall - 3.5L main bearing problems

    The post above yours described a manufacturing defect, not a design fault.
  4. TugboatEng

    Detroit nozzle

    I would call that a unit injector.
  5. TugboatEng

    Threaded Connection of Aluminium Components

    It's best to anodize the fastener to prevent galling.
  6. TugboatEng

    Detroit nozzle

    Nozzle is a colloquialism for the injector assembly and is commonly used by European manufacturers.
  7. TugboatEng

    CT Corrosion

    Do not use wax. Waxes will cause crevice corrosion. Use an acidic cleaner. Citric acid works well. If you want something in consumer packaging, boat wash products are typically oxalic acid based. The corroded CT pic is obviously fake because it follows the corrosion patterns of a painted...
  8. TugboatEng

    Detroit nozzle

    Detroit Diesel became Tognum AG. They merged with MTU. MTU was acquired by Rolls-Royce. Roll-Royce operates under the name Kongsberg nowadays.
  9. TugboatEng

    DFT Measurement

    Yes, the coating can be rejected if it fails to meet the standard. If you can identify areas where the coating is more likely to have insufficient thickness you should target those areas in your testing. You're not doing yourself a favor if you tailor your inspection procedure to pass the part...
  10. TugboatEng

    What's the main cause for incomplete silver brazing on stainless steels?

    The 45% silver alloys have the best gap filling capability but their maximum gap rating is still only 0.006".
  11. TugboatEng

    CT Corrosion

    The picture is fake.
  12. TugboatEng

    Solar powered ferry replaces diesel powered ferry and doesn't work

    Yes, by increasing the machinery weight you reduce the cargo capacity because the weight of the vessel is limited by load line. Ferries such as technically don't have a load line.
  13. TugboatEng

    Solar powered ferry replaces diesel powered ferry and doesn't work

    In order to displace more water the boat needs to be larger...
  14. TugboatEng

    etchant to confirm if silver brazing is on ferrous metal surfaces

    You haven't told us the alloy that you are using. Brazing iron, steel, and stainless alloys are typically going to require silver contents of 45-56%. Silver allows are available down to 3%. Also, there are boron modified fluxes that help when brazing steel and stainless steel alloys. These...
  15. TugboatEng

    When is welded pipe not acceptable?

    If using carbon steel pipe in corrosive service the weld seam is anodic to the rest of the pipe. This will result in rapid failure without galvanic protection. Ed brought up a point that I was unaware of. If the pipe is annealed that there may be less of a different in galvanic potential. I have...
  16. TugboatEng

    Australia's chief energy idiot rejects nuclear

    Well, they could be producing fissile materials for their rowdy neighbors. That could definitely make the reactors more profitable. Or, it gives them more flexibility over oil production. OPEC can cut oil production without impacting domestic prices as much.
  17. TugboatEng

    Things are Starting to Heat Up - Part XIV

    I think this pilot has some clout on this forum for his level headed takes. He has a discussion on the bomb cyclone that is about to hit the PNW. Pilots need to be acutely aware of weather. He says there is nothing unusual about the current weather. What is really interesting is that he...
  18. TugboatEng

    Solar powered ferry replaces diesel powered ferry and doesn't work

    Waross, weight determines the number of wheels required on a truck. Weight determines the displacement of a boat. Displacement is measured volume. A boat must be physically larger to support more weight, a truck does not necessarily need to be.
  19. TugboatEng

    Australia's chief energy idiot rejects nuclear

    If UAE thinks nuclear is more cost effective than oil, that's really saying something...
  20. TugboatEng

    Degradation of white nitrile butadiene rubber hose

    What is the temperature of the water? Nitrile rubber is sensitive to rapid aging when exposed to hot water.

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