Re: 150 years of rail in Aust. - Flying Scotsman

["Derick Wuen" <cullend@webone.com.au>]

Scheef, schmeef Aldert!

Keep on truckin' til you're outta sight.

Aldert Tjoelker wrote in message <3795BB19.BE03F9E3@cybercomm.nl>...
>see my new page
>
>http://www.cybercomm.nl/~tjoelker
>
>Derick Wuen schreef:
>>
>> Rob McKiernan wrote in message ...
>> >Guys,
>> >I visited the York NRM last November and on display were the Rocket
replica
>> >and the original rocket. It is somewhat modified in that the cylinders
are
>> >no longer angled in their stroke but much more horizontal in attitude.
>> IIRC,
>> >it was modified late in its life by a colliery who were using it.
>> >Cheers Rob
>>
>> Thanks for that.
>>
>> The L&M had 4 "phases" of 0-2-2 Rocket types.
>>
>> Phase 1 , Rocket at Rainhill trials 1829
>>
>> Phase 2 production, Meteor, Dart, Comet  1830 (lower cylinders, better
>> tenders)
>>
>> Phase 3 Phoenix, North Star. 1830 smokeboxes
>>
>> Phase 4 Northumbrian, Majestic 1830 much heavier
>>
>> I think the "Rocket remains" was an upgrade from phase 1 to phase 3
>> standards by L&M, not subsequent owners. Smokebox had obvious maintenance
>> advantages; horizontal cylinders improved ride.
>>
>> Someone said somewhere that Rocket in original form "rode like a hunter"
(by
>> which they meant jumping horse). Horizontal cylinders decreased unsprung
>> weight, but "boxer" action of outside cylinder 0-2-2 layout could not be
>> solved within design envelope. Hence 2-2-0 inside cylinder Planet, which
>> followed Northumbrian on L&M in 1830.... a very different set of
trade-offs.