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  • Users: sbmar
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  1. sbmar

    Hydraulic Drive vs. Direct drive vs, Diesel Electric Drive -- Overall Efficiency Comparison

    Hopefully I came to the right place for some qualified information on hybrid drive system comparisons. I am looking for opinions and information from "others" based on their experiences. Our business is all based around marine power systems for both vessel propulsion and auxiliary/ancillary...
  2. sbmar

    Idle Validation

    Gentlemen: I feel kind of embarrassed asking this question (I should know the answer) but after about 10 years and have not received an answer that makes any sense I am going to try here… On electronically controlled diesel engines, such as in a line haul truck, what is the intended purpose...
  3. sbmar

    Dielectric Joint Compounds

    Gentlemen: Hopefully this is the right place for this-------I have been struggling with coming up with a plausible explanation (in layman terms) as to defining a particular trait that dielectrics or "near" dielectrics" seem to possess when applied in-between, or on to electrically conductive...
  4. sbmar

    Dielectric Compounds

    Gentlemen: Hopefully this is the right place for this-------I have been struggling with coming up with a plausible explanation (in layman terms) as to defining a particular trait that dielectrics or “near” dielectrics” seem to possess when applied in-between, or on to electrically...
  5. sbmar

    Intake Silencing

    Gentlemen: Does anyone out there have any formulas for intake pipe length and/or diameters that can be used between the intake manifold and an air cleaner on a NA 4-stoke diesel to help silence the intake noise/pulses.. I believe I read something about this once and I am curious if someone else...
  6. sbmar

    Rubber Lube

    I am doing a side project and know little to nothing about two chemicals that we are working with. I hope I came to the right place to get me on a track that will allow me to do some more testing.... My goal is to come up with a lubricant for a rubber impeller made of neoprene that operates in a...
  7. sbmar

    Exhaust back pressure

    I always thought I had a pretty good understanding of exhaust back pressure limits on diesel engine and the reasons why, until a recent dilemma came up.. For most manufacturers of high performance modern diesels, seems most spec the limit the maximum exhaust back pressure to about 3" hg.. Yes...

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