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  1. Uncia_Uncia

    Air to Boil test in diesel engine cooling system

    Hello lucky-guesser, I find that document online but still I am not actually getting what will happen if in above example ATB temp is below 46 or above 46. I found one good document about it. Do we want temperature above ATB or below ATB? if above ATB why it needs to be above...
  2. Uncia_Uncia

    Air to Boil test in diesel engine cooling system

    Hello All, I am intrigued by term Air to Boil temperature to measure cooling capacity in diesel engine. As per def ATB= TTT ( Max. top tank temp)- Tco (Coolant temp. out of engine)+ Ambient air temp I am trying to understand, how ATB defines cooling capacity. If TTT= 107 , Tco =90 and Ta=...
  3. Uncia_Uncia

    Governor system in off road diesel engines

    Hello, I am going through the technical data sheet of one of the off-road diesel engine manufacturers and came across the governor setting. I have attached image for reference. I checked another thread about the droop vs the isochronous governor system and all are related to generator sets...
  4. Uncia_Uncia

    Dana spicer 13-15-17

    I am going through off road machinery engine configuration and for flywheel it says that, flywheel for Dana spicer 13-15-17, with SAE3 housing? I did search online about 'dana spicer 13-15-17' configuration, but couldn't find what does it mean. Can anyone tell me what does these numbers are...
  5. Uncia_Uncia

    Control option of Variable Displacement pump

    I started knowing lot of things from this discussion. I am still naive to the automobile industry,so please pardon me if I misunderstand anything. Hydtools, I honestly didn't get you what you are trying to say in first two lines of answer in today's response. And as you mentioned, apart from...
  6. Uncia_Uncia

    Control option of Variable Displacement pump

    Hello All, Thank you very much for responses. I was studying my material to respond. Well, the prime mover is transmission with pump drive drive ratio of 0.971:1 and torque capacity of 245 Nm. The transmission maximum input RPM is 3300, but engine rated speed is 2200 RPM. As hydtools...
  7. Uncia_Uncia

    Control option of Variable Displacement pump

    Hello Ted, Thank you for replying.Lets say I want to lift a load with telescopic handler or forklift. what option would be good and why?
  8. Uncia_Uncia

    Control option of Variable Displacement pump

    Hello All, I have question regarding the control option of Variable displacement pump. I was going through variable displacement pump technical configuration. It was mentioned that load sensing controlling option is better than pressure compensated control. I realize that load...
  9. Uncia_Uncia

    Functioning of transmission

    Thank you very much for replying back. The answers for second question is pretty much understood but to be honest still confuse about the difference between Power shift Transmission vs Synchromesh Transmission. The one thing I did notice is that in the technical configuration of...
  10. Uncia_Uncia

    Functioning of transmission

    I was dealing with one of engine manufacturer and one thing led to another. The manufacturer asked me about bell housing requirement of the engine, which led me to the transmission of the agricultural forklifts. It was not much hard to figure out from transmission manufacturer's site about bell...
  11. Uncia_Uncia

    How to calculate deflection in beam at orientation?

    Hello BA, Even I am confuse honestly. But what you referred as deflection would be the same even if the hollow rectangle pipe would be orientated and in the condition of load normal to pipe, make sense to me,too.
  12. Uncia_Uncia

    How to calculate deflection in beam at orientation?

    Thank you all for replying. I am still trying to work out the method what @Lomarandil suggested. It is getting complex.
  13. Uncia_Uncia

    How to calculate deflection in beam at orientation?

    Lets say a hollow rectangle beam of 3" x 5"x 1/4" thk., 48" long is fixed at two ends. This beam is part of attachment of lifting device. If attachment rotates at 20, 30, 45, 60 degree, this beam will also make angle respective angle and Uniformity distributed load will always be right angle to...
  14. Uncia_Uncia

    Horsepower calculation of engine

    One thing is leading to another.
  15. Uncia_Uncia

    Horsepower calculation of engine

    Thank you all for replying. @BigClive, That was good one if you are joking and I would just say 'NO' if it was in serious tone. Honestly, I am trying to understand as I always have what? why? when? how? I am going through lot of material but very often I figure out that when we discuss, things...
  16. Uncia_Uncia

    power take off system of engine

    Thank you, Mike, That helps lot.
  17. Uncia_Uncia

    power take off system of engine

    Hello Mike, Thank you very much for answering in both the threads. Well, I understand engine engineers's remark that I can't pull the 40 HP from the PTO. But I want to understand his technical remark ''provision of timing case for PTO''. The engine is very compact for small size...
  18. Uncia_Uncia

    power take off system of engine

    I am new to automobile engineering. Currently I am dealing with engine manufacturing company to procure some engine for our forklifts . To operate the hydraulics of engine, sometimes we use PTO mounted on engine and sometimes we go for PTO mounted on transmission. As per our forklift...
  19. Uncia_Uncia

    Horsepower calculation of engine

    what is the proper methodology to find minimum engine horsepower requirement to move x amount of load efficiently by forklift? For example if I want to build forklift which can lift 30000 pounds with 3 stage vertical mast lift, what would be the minimum horsepower requirement of engine that...

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