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Description
( you can find the final version here : [link] )

The 327 class (4-6-0)

This steam loco class designed in 1912, in Hungary. The 203 was fast, and good, but hadn't enough power for heavy trains.
That's why the 327 was born: for fast and heavy passenger trains ("fast and heavy" means: the coaches's mass was approx. 500 metric tons or more, and the speed was up to 110km/h ~80mph)
327 class used overheated steam, had 2 cylinders, boiler pressure was 12bar, driven wheels diameter is 1850mm. Official top speed is 100km/h, but unofficially it was capable of more than that. It had modern air brake for itself, and for the train, handbrake for the coalcar.
A lot of Hungarian steamloco fans like this loco so much, but there is only one remains from this class (it hasn't got rods, and cylinders).
The modernised version of 327 is the 328 class (4-6-0) nearly the same, but had Brotan-Deffner system boiler. There is an existing loco, no missing parts, but it can't run

The drawing: 70cmX50cm sheet, mostly mechanical pencil (0,5mm: H, HB, 2B), 4B, 6B pencil on the exising backgrounds. 1 year work (not continously), unfinished yet.

Closeups of this drawing : [link] | [link] | [link] | [link]

Description
( you can find the final version here : [link] )

The 327 class (4-6-0)

This steam loco class designed in 1912, in Hungary. The 203 was fast, and good, but hadn't enough power for heavy trains.
That's why the 327 was born: for fast and heavy passenger trains ("fast and heavy" means: the coaches's mass was approx. 500 metric tons or more, and the speed was up to 110km/h ~80mph)
327 class used overheated steam, had 2 cylinders, boiler pressure was 12bar, driven wheels diameter is 1850mm. Official top speed is 100km/h, but unofficially it was capable of more than that. It had modern air brake for itself, and for the train, handbrake for the coalcar.
A lot of Hungarian steamloco fans like this loco so much, but there is only one remains from this class (it hasn't got rods, and cylinders).
The modernised version of 327 is the 328 class (4-6-0) nearly the same, but had Brotan-Deffner system boiler. There is an existing loco, no missing parts, but it can't run

The drawing: 70cmX50cm sheet, mostly mechanical pencil (0,5mm: H, HB, 2B), 4B, 6B pencil on the exising backgrounds. 1 year work (not continously), unfinished yet.

Closeups of this drawing : [link] | [link] | [link] | [link]