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Post by dorn on May 31, 2019 14:18:52 GMT -6
Did you have some experience with diesel engines being better than turbines?
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Post by alsadius on May 31, 2019 15:06:08 GMT -6
I think their big advantage is for long/extreme range ships.
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Post by dorn on May 31, 2019 15:17:29 GMT -6
I think their big advantage is for long/extreme range ships. But what advantage? They are still heavier than turbines.
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Post by dizzy on May 31, 2019 15:30:50 GMT -6
Acceleration is quicker.
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Post by dougphresh on May 31, 2019 15:38:39 GMT -6
I still haven't seen a use for Long or Extreme range yet
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Post by aeson on May 31, 2019 15:47:51 GMT -6
Haven't had an opportunity to try it yet, but I wonder if diesels might be useful when defending against a surprise attack since they ought to be able to get your ships moving faster - no need to wait to build up steam pressure.
I still haven't seen a use for Long or Extreme range yet Long range is a bit useful for raiders, particularly if they're operating in areas where you don't have bases. Not extremely useful, but useful enough to at least consider.
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Post by mycophobia on May 31, 2019 15:50:22 GMT -6
The acceleration factor actually might make them decent for AVs, or any ship that decides to carry a lot of airplane without catapult.
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Post by namuras on May 31, 2019 16:20:13 GMT -6
So far i have only seen them reduce weight once you reach max tech... until then they are VERY expensive and heavier than turbines... generally not worth it imo...
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snwh
Full Member
Posts: 121
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Post by snwh on May 31, 2019 16:31:09 GMT -6
I havent actually built a ship witht hem. but I noticed the bigger the ship (or rather the engine) the more the effect. So for a battleship with long range, they can save you some tonnage. But I havent seen them save tonnage on like, CL's before, which isn't to say they can't.
Once I actually get the tech this game, I'll prolly play around with it.
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Post by jorgencab on May 31, 2019 17:40:47 GMT -6
As others have said... diesel engines are best used for long and extreme range where it saves you a considerable amount of extra weight of hull fitting space.
Long range is important for ships on raiding duty. Ships on raiding can interrupt enemy ships who raid and destroy their transport fleets.
Long range is also important when you want to station fleets in areas where you have little to no basing capacities.
I also think that diesel engine are slightly less expensive in maintenance per machinery tonnage as coal and oil are, at least if I remember correctly.
Acceleration can also be more important than what you think in certain situation, such as when the ships are doing heavy manoeuvring, evasive movement and try to outrun an opponent. They probably also should be more reliable than oil engines, but not sure if that is the case.
How important these things are is up to you.
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Post by tortugapower on May 31, 2019 17:59:03 GMT -6
I also think that diesel engine are slightly less expensive in maintenance per machinery tonnage as coal and oil are, at least if I remember correctly. That's a very interesting stat. How did you come to this conclusion? I'd like to understand this more.
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Post by dorn on May 31, 2019 22:45:34 GMT -6
Haven't had an opportunity to try it yet, but I wonder if diesels might be useful when defending against a surprise attack since they ought to be able to get your ships moving faster - no need to wait to build up steam pressure.
I still haven't seen a use for Long or Extreme range yet Long range is a bit useful for raiders, particularly if they're operating in areas where you don't have bases. Not extremely useful, but useful enough to at least consider. This is only reason I was thinking but it is so special that it is question if it is worth using it.
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Post by dorn on May 31, 2019 22:54:34 GMT -6
As others have said... diesel engines are best used for long and extreme range where it saves you a considerable amount of extra weight of hull fitting space. Long range is important for ships on raiding duty. Ships on raiding can interrupt enemy ships who raid and destroy their transport fleets. Long range is also important when you want to station fleets in areas where you have little to no basing capacities. I also think that diesel engine are slightly less expensive in maintenance per machinery tonnage as coal and oil are, at least if I remember correctly. Acceleration can also be more important than what you think in certain situation, such as when the ships are doing heavy manoeuvring, evasive movement and try to outrun an opponent. They probably also should be more reliable than oil engines, but not sure if that is the case. How important these things are is up to you. You do not save space on long and extra long ranges. Diesel are still heavier than turbines as were in history. Maintanence - I will try design exactly samé ships and we can see. Speed is known, however using careful maneuvres can remedy need of diesel engines. I am waiting for patch to correct 1920 start to allow 11" guns as it could be quite fun starting without fleet as I think as Germany it is best scrap all ships except couple of destroyers.
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demol
New Member
Posts: 13
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Post by demol on Jun 1, 2019 0:38:14 GMT -6
In this game in her current status disels have no weight advantage over oil engines at any ranges.
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Post by elouda on Jun 1, 2019 4:02:28 GMT -6
Diesels do have a weight advantage, atleast from what I'm seeing in my current 1937 game. However, it is only notable on Long/Extreme ranges, and with speeds below ~30-32 knots. The breakpoint with my current tech on a 34kton BB seems to be ~29 knots on Long Range and ~32 knots on Extreme. For Medium range Oil seems to be better consistently, though below ~22 knots the difference is minor (<150tons).
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