Talk:NZR RM class (88 seater)

First Draft
This is my first Wiki article about a class close to my heart, the Fiats. Although I believe all the information is accurate I do not have access to my library (I'm based in the UK) and the story can be considerably fleshed out, especially with more details regarding the introduction to service and with dates for withdrawals of service. Bevanjlewis 14:01, 17 April 2006 (UTC)


 * If you're still around ... any idea at what point the derating happened? Is that when the Fiat engineers came and rebuilt the engines, maybe adjusting them to have a lower power (or, more importantly for the crankcases' sakes, lower *torque*... so possibly they would have ended up running at higher rpm more of the time despite producing less useful power...?) in exchange for overheating less often and lasting longer between catastrophic failures and overhauls? What kind of slowdown would it have caused? 370hp, never mind 420hp is quite a high power output for an 11-tonne train, or even 22-tonne if a full payload doubled its gross weight, after all, probably better than many cars of the time - heck, my own first car from 1990 would at least be equivalent to the higher rating when fully packed out with cargo and a roof-rack, and it managed some pretty steep hills at 30~40mph in that condition on a couple occasions, even though that meant grinding along in 2nd gear (in a 4-speed car good for 90mph) - surely they would have ended up suffering climbing / standing-start adhesion problems moreso than motive power? 46.208.118.226 (talk) 22:13, 13 November 2017 (UTC)

Cover Photo Location?
As a Feilding boy, I always notice when the town's name pops up. And as a boy I spent way too much time at the Feilding Yard and Station, and I can't see how that photo could be taken at Feilding - it has a curving track too close to the platform and looks like a second main passing the platform, whereas Feilding was set on straight track, on the main. Could it have been taken at Marton or even Palmy station, where there are main lines bypassing the station? Doyletr (talk) 22:19, 7 February 2016 (UTC)


 * The original Flickr caption says it's Feilding, but I agree, it's a straight track, but so is PN, so unlikely to be either of those and it's too rural for Marton. Is it preferable to delete the location until someone recognises where it is? The stations it called at were Wellington, Porirua, Paraparaumu, Otaki, Levin, Palmerston N, Feilding, Marton, Aramoho, Waverley, Patea, Hawera, Eltham, Stratford, Inglewood, New Plymouth. Johnragla (talk) 21:02, 21 January 2021 (UTC)

External links modified (February 2018)
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Intro section, engine issues
Just casually noticed the following lines read as

"The crankcases were not strong enough to absorb the power of the diesel engines that drove the railcars.[18] These issues were considered so serious that NZR called a meeting with Drewry and Fiat in March 1957.[19] Ten of the railcars had wrecked crankcases and blown motors.[19] Following the meeting, a number of replacement motors and crankcases were ordered in late 1957.[19]"

Does anyone have the Railfan article this references handy? ("Perfect, Colin (March 2008). "The Drewery Articulated 'Twin-Set' Railcars – Part 2". Railfan" pages 45 and 46)

The wording of this section implies that the crankcases are a separate part of the railcar to the engines, when actually a crankcase is an integral part of an engine. I do not know if transmissions is what is meant instead, or what. A engine can be definitely blown if it had a wrecked crankcase however. Clarification required. User:LJ Holden are you able to help with that by any chance?

Thanks

Yak52fan (talk) 02:23, 31 March 2023 (UTC)
 * Yep I have that magazine - will look it up to verify. I'll also check Dr Andre Brett's book as well. --LJ Holden 08:04, 1 April 2023 (UTC)
 * How was that going? XD I forgot too. Yak52fan (talk) 03:39, 7 June 2023 (UTC)
 * Oh sorry - yes got distracted. Will see if I can find it --LJ Holden 09:26, 7 June 2023 (UTC)