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Mav M61 Final Version

Description Discussions0 Comments9 Change Notes

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Scenario: Europe

Vehicle: Locomotive

Tags: Train, Diesel

File Size

Posted

457.883 MB

Oct 30, 2020 @ 11:06pm

1 Change Note ( view )

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Description

Mav M61 Final Version

Final version of the M 61 Nohab diesel-electric locomotive

The model of the M 61 Nohab diesel-electric locomotive has been entirely renewed. This final version contains the new loco. During development, the entire 3D model has been revised and refurbished. An engine room has been added, the driver's cabin has been modernized and the bogeys have been made to be more detailed. Appropriate glass effects have been added to the model as well. It's important to note that now there are 8 high-quality, detailed paint jobs available.

Model:

- Realistic, detailed model
- Realistic, detailed bogies
- Detailed cabin
- Detailed engine room
- High-quality glass effects
- 8 MÁV paintjob variations
- Realistic locomotive sounds
- Added menu

History and technical details of the M 61 Nohab diesel-electric locomotive used by MÁV Hungarian Railways

The MÁV M61-series is a mainline diesel-electric locomotive series with a Co'Co' axle arrangement. Its nickname is "Nohab", from the name of the Swedish manufacturer, NOHAB. It's a cultic vehicle in the history of Hungarian transportation. MÁV only bought 20 units of the locomotive. It's based on the original plans of the American General Motors Electromotive Division company. This series has been in production since 1930 and it has seen continuous improvement since then. The original, dual cab, reduced axle weight locomotive with a Co-Co axle arrangement, called "ML2" manufactured under licence by Australian company Clyde since 1952, has been reworked by NOHAB's engineers for Northern European use, primarily for Danish, Finnish and Norwegian railway companies.

Technical specifications:

- top speed: 105 km/h
- power: 1435 kW
- tractive effort: 265 kN
- weight: 106 t
- lifespan: 30 years
- availability: 1963

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9 Comments

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IstdasKunstoderkanndasweg

Jan 16 @ 2:53am

Part 3

...

From 600m onwards, even a reduction to under 100 tris would be perfectly sufficient, and a roughly shaped rectangle would be entirely adequate.

That this model is very performance-intensive is already evident in the video. The stuttering shows that the model is simply computationally intensive for the PC.

Please don't misunderstand. The model looks very good, and I would be very happy if the performance-relevant LOD levels were revised so that the vehicle can be used without hesitation.

For future models, I recommend building small curves with fewer surfaces and applying a smoothing effect. A railing can easily be given a square cross-section while still maintaining the optical illusion of a round object. The larger the round object, the greater the number of surfaces.

32 surfaces. Even the default setting of "Blender" in Transport Fever is only suitable for objects larger than a truck tire.

With kind regards,
RicoS.

IstdasKunstoderkanndasweg

Jan 16 @ 2:53am

Part 2
...

While these exist, they offer virtually no change. Only 5,000 rivets are removed in LOD1, and none in LOD2.
LOD1 should be reduced by at least half to 25m with this number of tris.

For this vehicle, that would mean all screws and rivets.

LOD2, which has a distance of 300m - 2010m, should only have a maximum of 10k tris. Below 5k would be better. ...

IstdasKunstoderkanndasweg

Jan 16 @ 2:52am

Part 1

Hello krisz04

The model is very nice, and I would have liked to use it on my fictional "My Summer Car" map.

However, I've noticed that this model needs some performance optimization.

Currently, the vehicle has approximately 440,000 rivets. This is a bit much for a single model intended to run in Transport Fever 2.

The main problem is the numerous individual rivets whose modeling has too many surfaces.

I assume this is the default setting of the 3D program with 32 surfaces in the curve. Using 4-6 surfaces and a smooth effect would achieve the same result but consume only a fraction of the resources.

The high number of rivets in LOD0 isn't the problem, though.

The issue only arises with LOD1 and LOD2. ...