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The gauge of track is not such an important factor these days, rather it’s the loading gauge that’s the issue.

Broad gauge broad gauge broad gauge

Big Boi that is!

Interesting.

Awesome Railfan Video, thanks for sharing 👍👍👍👍👍🚂

what if we build a broad gauge high speed rail?

They freewheeled the frames that easily?!

excellent

My son loves trains 🚆🚂🚃🚄🚅🚇🚈🚉🚝🚞🛤🚋🚊 especially diesel railcars like that one he thinks they are highly underrated rail transportation vehicles and that Siemens, Progress Rail, or any other company that builds railroad equipment should build clones of these and that they should be run on lines that are not used anymore or at least don't get passenger service.

My son is special needs and he really likes track inspection vehicles like that one he thinks they are highly underrated pieces of railroad equipment and all should be preserved, restored, and put back into service inspecting tracks, transporting maintenance crews, and giving tourists rides. Here in the United States 🇺🇸 those types of vehicles are known as: speeders, motorcars, gang cars, or crew cars.

I helped lay this broad gauge err 30 something years ago! Good to see it being used! Brunels masterpiece , grossly underestimated by the world!

Oh yeah, listen to that antique petrol engine purr!

An astonishing accomplishment to recreate a working broad gauge locomotive and carriages. Also incredible to think of what was to follow on from this comparatively humble beginning

my Dad took a photo of me standing on her footplate during a visit a few years back possibly while everyone was having lunch. would have loved to have had a ride behind her. got a mug with a picture of fire fly on it

It looks so strange without the tanks

Where to find drawings or blueprints for the rolling stock?

A question: What looks like the reversing lever seems to be in neutral position, yet the exhaust sounds like it is in full forward ? (see 1:05) I tried to look up if the replica has the original gab valve gear or the later Gooch gear, but couldn't find it.

Clearly, we need to reintroduce broad gauge and extend it to Penzance. How much easier and sooner it would have been to achieve 300+ mph trains, if, by 1929, every line in GB was 7’0”1/4 (84.25”). They were huge! The Victorian artists don’t quite get it right with standard gauge scenes.

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I have a question about the Steam Multiple Unit system: Are you able to use it to control multiple steam engines or steam railmotors? (Such as allowing a single driver and two firemen to drive a double-headed consist, or by coupling multiple powered railmotors to permit longer trains (such as two of these two car sets))

I get really tired of misleading titles that make is sound like a locomotive is retired permanently when they are just going in for routine service, STOP DOING THAT.

Is that the same Wickham Trolley that arrived at Didcot circa 1971/72?

Those loco pilots standing for long will be tired.

Re. comments about broad gauge engines and coaches not using the gauge to it`s possible extent. This is certainly true, although it has to be said that they were certainly wider than the other gauge stock at the time. It depends which way you look at it, surely. With the standard of track laying at the time, the ride would have been better and speeds achieved higher. Looking at a modern scenario, think how large the locomotives could have been if built to the same scale as, say, a King class, or a Princess Coronation - let alone some of the large goods engines we have had. Coaches could easily become double deck types - crumbs we had those anyway under Bulleid and America certainly has them still on 4` 8,1/2. With the 7`gauge, these would be really spacious - and less trains would be needed for a given number of passengers. Other adjustments would be needed - but if Broad Gauge had developed from the beginning, these factors would have been sorted out - built in from the start. Certainly, the locomotives of today - or should I say - up to the sixties - but not forgetting Tornado and other projects, could have, as has been pointed out by commentators before, dwarfed the machines of other countries with all that extra space for boiler, firebox with auto-stoking, cylinders and valve motion etc etc. Even America with it`s huge Mallets and Russia wouldn`t have had a look in! Dream on Bev! But, if I could be transported back - it would be nice to spend a little while on the Broad Gauge just to see the difference experienced between the two.

Now that is going to be the basis for Sandy in my Model Series AU!

Why was it taken out of service ?

Class on the rails.

Respect to the broad gauge. Well done Didcot.

Broad Gauge was technically better dan the narrow gauge which we now know as "normal". Brunel favoured his broad gauge en Stephenson his narrow gauge. In the end the Stephenson gauge won the battle of the gauges purely because they could lay more tracks than broad gauge. So in 1892 the last broad gauge kilometers were converted to Stephenson gauge.

ive seen other videos of broad gauge track and had no idea of scale . i now have something to compare with fire fly. i hope her restoration went well and is back in service .

I used to love wandering round the shed at Didcot in the mid-'80s where this engine was awaiting overhaul. Then it was overhauled. And here it is being overhauled again. I feel old.

In Australia, Broad Gauge is 5ft 3in instead of 7ft.

Nice one

someone play song for denise over this

Не ми допада

Imagine being on the footplate of this beast doing the top speed of 70mph. In 1840 that would’ve been mind blowing!

A wonderfully philanthropic billionaire needs to fund the building of a broad gauge heritage railway. Maybe in Devon or Cornwall, or nearer to London, somewhere where magnificent beasts like this can roam in the wild one again instead of living in cages.

We could get those two broad gauge saddle tanks from Portugal.

Can it pull coaches?

I amazed by how quiet she is.

It looks like a dean goods engine without its tanks.

It goes a fair lick !

How long do you anticipate the restoration will take?

When will Fire Fly be restored?

I wish broad gauge caught on instead of standard, imagine how massive trains would be on broad gauge? Imagine a scaled up Big Boy meant for broad gauge.

Fantastic Video Their i have subscribed can you sub back to My Channel.

You Will Be Missed, Fire Fly Steam Train. We'll See You In The Great Train Station in the Sky, Old Friend. Goodbye. :'-(

You Will Be Remembered, Old Steam Locomotive. I Promise, Because We'll Celebrate the Memorial Anniversary of You, Our Beloved Steam Locomotive. (Sigh). <:'-((

It's a shame that this is the only safe haven place for working broad gauge locomotives, if it still existed in to the 21st century we may even have broad gauge diesel and electric locomotives - this was one of brunels best engineering feet and he will always be remembered r.i.p Isambard kingdom Brunel 😥

Amazing video! Outstanding views and brilliant to watch