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  • Users: ro_kru
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  1. ro_kru

    Specific fuel consumption mapping

    Hello, I am reviewing specific fuel consumption mapping of one the diesel engine. I have reviewed it before but they were g/kWhr. One of this is given in (%). Not sure how do I read it. I have attached fuel mapping for reference. If I read it, for example, 2200 RPM@ 110kW, its 104?? I know...
  2. ro_kru

    Flexplate/flywheel

    Hello, I am working with one of the sales engineer for diesel engine and he asked if company provides Clark SAE3 flexplate. The spec I see includes 'Flywheel for Dana Spicer 13-15-17, with SAE3 housing'. I am wondering what is the difference between both of them? I am confuse between...
  3. ro_kru

    Water reactive bulkhead seal -Shaft runout

    Hello all, We have to select water reactive bulkhead seal for the passenger boat. We are engine dealer but customer is insisting to provide solution for the bulkhead seal. Customer has shaft running from engine to stern drive that is 66'' long. In between the stern drive and engine they will...
  4. ro_kru

    Grid heater and flame heater after charge air cooling in diesel engine

    I was going through Diesel engine spec of Mercedes diesel engine. I see that there is an option for grid heater or flame heater after charge air cooler, means air to heat before it enters into intake manifold. Can someone, please, explain why one would need air to heat after charge air cooler if...
  5. ro_kru

    Twin thermostat waterpump

    I am going through some literature of Rolls-Royce diesel engines and wondering how is the working of twin thermostat water pump? Why there are two outlets to radiator? Most of the time I dealt with water pump which has single thermostat in housing.
  6. ro_kru

    Inline radiator heater

    I want to install the inline radiator hose heater. This heater heats the water in the radiator and up to the thermostat. But the thermostat will be closed, so how can it warm the engine block? The genset engine I have is very small, 1 ci^3 displacement. It has hard time to start in winter...
  7. ro_kru

    12 Volt vs 24 Volt diesel engine

    In diesel engine we have 12volt and 24volt battery system. I am wondering for any application of diesel engine, how can we decide whether we need 12volt or 24volt diesel engine? What are the deciding factors about it? I can understand that by increasing voltage we can have more power, but why we...
  8. ro_kru

    POSITIVE CRANK CASE VENTILATION & EGR

    Can the diesel engine have both positive crank case ventilation and Exhaust gas recirculation?
  9. ro_kru

    Diesel engine emission standard

    Can anyone, please, explain me what is the difference between Stage V vs Tier4F diesel engine? I searched OEM sites but no luck. Why some engines are equipped with DOC while some are equipped with DOC+DPF?
  10. ro_kru

    Prime mover selection for pump

    I am building an power pack for the company for one of the project. From pump performance curve I can see that pump is absorbing 80HP @ 1200RPM. I need a prime mover to run the vacuum pump. I am planning to go with Tier 4 diesel engine as prime mover. Do we have to do any calculation for...
  11. ro_kru

    Diesel engine for genset

    Hello, I am give a task to build power unit. I have engine rated for 74 HP and alternator is rated for 75 KW. Can someone help me to determine how to calculate engine sizing I need for alternator rating? What will exactly happen if I use 55 kw rated diesel engine to run 75 kw rated alternator...

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