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Remnants of Sydney’s Monorail (Read 1558 times)
Gnads
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Re: Remnants of Sydney’s Monorail
Reply #60 - Feb 2nd, 2026 at 12:55pm
 
Sir Eoin O Fada wrote on Feb 1st, 2026 at 1:07pm:
freediver wrote on Feb 1st, 2026 at 11:40am:
How many rails do you see there SEOF?

4?

8?

132 - one for each wheel?

Two, narrower than the Sydney one but two distinct tracks left by the wheels which means that the train is not designed to run on one wheel at each load bearing point so is not a one rail train, not a monorail.

The word ‘monorail’ means a single rail, therefore correct nomenclature for a single beam is (or could be) ‘monobeam’.



The single girder beam makes it a monorail. A modern "straddle-beam" monorail that uses a wide, concrete beam. most of the worlds monorails are straddle beam.

The drive wheels sit directly under the carriages side by side the outside distance having to fit atop that 37inch wide beam.

The rubber track marks you can see are very close together.

A monorail that runs on a single piece of rail is called a Gyro monorail. There are none in existence today other that some old museum pieces & old film footage.

The other types of monorail used today are the MagLev - magnetic levitation and Suspended monorail.

  https://en.wikipedia.org/wiki/List_of_monorail_systems

You're just being pedantic, and you're wrong.

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Gnads
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Re: Remnants of Sydney’s Monorail
Reply #61 - Feb 2nd, 2026 at 1:01pm
 
Sir Eoin O Fada wrote on Feb 1st, 2026 at 1:29pm:
Gnads wrote on Feb 1st, 2026 at 11:36am:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 7:18pm:
greggerypeccary wrote on Jan 31st, 2026 at 6:40pm:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 6:36pm:
greggerypeccary wrote on Jan 31st, 2026 at 11:37am:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 11:13am:
freediver wrote on Jan 31st, 2026 at 7:49am:
Sir Eoin O Fada wrote on Jan 30th, 2026 at 3:16pm:
freediver wrote on Jan 30th, 2026 at 12:05pm:
Sir Eoin O Fada wrote on Jan 29th, 2026 at 9:45pm:
greggerypeccary wrote on Jan 29th, 2026 at 11:18am:
Sir Eoin O Fada wrote on Jan 29th, 2026 at 11:07am:
freediver wrote on Jan 28th, 2026 at 9:31am:
Brisbane had one.

Brisbane never had a monorail, like the Sydney one it was a fake and people called it a monorail  because they were told that it was one.


I rode on both of them and I only ever saw one rail.

So, if you don't think they're monorails, what are they?


They are elevated narrow gauge railways that use flat rails and side guide wheels in lieu of flanges on the load bearing wheels.
Note the distinct marks from the wheels on both sides of the track.


Correction, a single flat rail. Count them. You won't get past one. That's what mono means. It doesn't mean flanges wherever it is you want them to be.

It doesn't have to be a bicycle on a tight rope to count as a monorail.

See photos of depot, the cars are clearly stored on two rails as on the traverser which seems to have a non slip coating on the rails.
When I first saw the depot the first storage bay was completely open between the rails to allow work/inspection from underneath; probably at a later date than the photo.
As they can run on two rails in the depot then they can run on two rails anywhere, monorails they are not.


So it's not a monorail because of what the depot looks like?

The tracks in the depot prove thet the trains can , and do, run on two rails, a monorail, as the name exemplifies runs on one rail, ...


The huge concrete structure/beam which the train moves along is the 'rail', and there's only one of them.

The two things the trains move along are the 'tracks'.

There can be a dozen tracks on top of that concrete structure and it would still be a monorail.

A monorail consists of a single, rigid, elevated beam—usually made of concrete or steel.

So the various Metro trains running on elevated massive reinforced concrete beams are really monorails despite having two rails; do they become ordinary trains when they descend to ground level?


You mean 'tracks'.

And yes, if they are on one solid, elevated concrete structure/beam, they're a monorail.

Once on the ground, they are not.



Here’s a ‘’monorail’’’ in Mumbai running on its elevated concrete beams.


That is not a Mumbai Monorail vehicle or girder.

Mumbais Monorail operates the same way as the old Sydney & Brisbane Monorails operated.

On top of a single narrow elevated beam on rubber wheels driven by traction motors on the flat surface of the beam.

You'd argue black was white.

Quote:
The Mumbai Monorail is a straddle-beam system, meaning its rubber-tyred coaches sit directly on top of a single, elevated concrete guidebeam rather than running on traditional tracks. Driven by electric motors with 750V DC power, it uses vertical wheels for support and horizontal wheels for stability.


Below is a photo of Mumbais Monorail - Take a close look SEOF.

I’ve had a close look, ridden it from end to end’ The picture that I posted of the Mumbai Metro was in answer to a previous post that you have obviously never read.
When in Mumbai we use the Metro a lot, we own an apartment at Andheri and only a five minute walk to the nearest station, same for the newly opened (May 2025) underground Metro local station.



You posted a picture of a suburban multiple unit that runs on either a standard or broad gauge track(2 rails) over a concrete girder bridge.... it was not a mono rail.

The Mumbai Mono Rail picture I posted is of a "straddle beam" monorail which is the same as both the old Sydney & Brisbane monorails. And you question my reading & comprehension?

You keep talking yourself around in circles & end up in the same place ........ wrong.
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Sir Eoin O Fada
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Re: Remnants of Sydney’s Monorail
Reply #62 - Feb 2nd, 2026 at 8:04pm
 
Gnads wrote on Feb 2nd, 2026 at 1:01pm:
Sir Eoin O Fada wrote on Feb 1st, 2026 at 1:29pm:
Gnads wrote on Feb 1st, 2026 at 11:36am:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 7:18pm:
greggerypeccary wrote on Jan 31st, 2026 at 6:40pm:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 6:36pm:
greggerypeccary wrote on Jan 31st, 2026 at 11:37am:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 11:13am:
freediver wrote on Jan 31st, 2026 at 7:49am:
Sir Eoin O Fada wrote on Jan 30th, 2026 at 3:16pm:
freediver wrote on Jan 30th, 2026 at 12:05pm:
Sir Eoin O Fada wrote on Jan 29th, 2026 at 9:45pm:
greggerypeccary wrote on Jan 29th, 2026 at 11:18am:
Sir Eoin O Fada wrote on Jan 29th, 2026 at 11:07am:
freediver wrote on Jan 28th, 2026 at 9:31am:
Brisbane had one.

Brisbane never had a monorail, like the Sydney one it was a fake and people called it a monorail  because they were told that it was one.


I rode on both of them and I only ever saw one rail.

So, if you don't think they're monorails, what are they?


They are elevated narrow gauge railways that use flat rails and side guide wheels in lieu of flanges on the load bearing wheels.
Note the distinct marks from the wheels on both sides of the track.


Correction, a single flat rail. Count them. You won't get past one. That's what mono means. It doesn't mean flanges wherever it is you want them to be.

It doesn't have to be a bicycle on a tight rope to count as a monorail.

See photos of depot, the cars are clearly stored on two rails as on the traverser which seems to have a non slip coating on the rails.
When I first saw the depot the first storage bay was completely open between the rails to allow work/inspection from underneath; probably at a later date than the photo.
As they can run on two rails in the depot then they can run on two rails anywhere, monorails they are not.


So it's not a monorail because of what the depot looks like?

The tracks in the depot prove thet the trains can , and do, run on two rails, a monorail, as the name exemplifies runs on one rail, ...


The huge concrete structure/beam which the train moves along is the 'rail', and there's only one of them.

The two things the trains move along are the 'tracks'.

There can be a dozen tracks on top of that concrete structure and it would still be a monorail.

A monorail consists of a single, rigid, elevated beam—usually made of concrete or steel.

So the various Metro trains running on elevated massive reinforced concrete beams are really monorails despite having two rails; do they become ordinary trains when they descend to ground level?


You mean 'tracks'.

And yes, if they are on one solid, elevated concrete structure/beam, they're a monorail.

Once on the ground, they are not.



Here’s a ‘’monorail’’’ in Mumbai running on its elevated concrete beams.


That is not a Mumbai Monorail vehicle or girder.

Mumbais Monorail operates the same way as the old Sydney & Brisbane Monorails operated.

On top of a single narrow elevated beam on rubber wheels driven by traction motors on the flat surface of the beam.

You'd argue black was white.

Quote:
The Mumbai Monorail is a straddle-beam system, meaning its rubber-tyred coaches sit directly on top of a single, elevated concrete guidebeam rather than running on traditional tracks. Driven by electric motors with 750V DC power, it uses vertical wheels for support and horizontal wheels for stability.


Below is a photo of Mumbais Monorail - Take a close look SEOF.

I’ve had a close look, ridden it from end to end’ The picture that I posted of the Mumbai Metro was in answer to a previous post that you have obviously never read.
When in Mumbai we use the Metro a lot, we own an apartment at Andheri and only a five minute walk to the nearest station, same for the newly opened (May 2025) underground Metro local station.



You posted a picture of a suburban multiple unit that runs on either a standard or broad gauge track(2 rails) over a concrete girder bridge.... it was not a mono rail.

The Mumbai Mono Rail picture I posted is of a "straddle beam" monorail which is the same as both the old Sydney & Brisbane monorails. And you question my reading & comprehension?

You keep talking yourself around in circles & end up in the same place ........ wrong.

It is not a concrete girder bridge, the pic is of a Mumbai metro train on a continuous raised track consisting of Wooton trough girders.
Had you read all the posts you’d have seen where one poster said a raised girder was a monorail regardless of the number of tracks on it
The Mumbai monorail is capable of running on two rails just like its Sydney counterpart, so is not a true monorail.
If its pairs of wheels were replaced with one broad wheel then it would be a monorail train.

It’s quite simple really. Monorails run on a single rail and the only passenger carrying ones are the suspended ones
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Sir Eoin O Fada
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Re: Remnants of Sydney’s Monorail
Reply #63 - Feb 2nd, 2026 at 8:26pm
 
And here’s a ‘’monorail’’ about to go onto two rails. . . . . instant transformation.
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Re: Remnants of Sydney’s Monorail
Reply #64 - Feb 3rd, 2026 at 6:26am
 
Why do you have your panties in a bunch over something whose technical details you do not understand SEOF?
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Re: Remnants of Sydney’s Monorail
Reply #65 - Feb 3rd, 2026 at 9:04am
 
freediver wrote on Feb 3rd, 2026 at 6:26am:
Why do you have your panties in a bunch over something whose technical details you do not understand SEOF?

I understand the technical details perfectly, monorails run on one rail, if a train can run on two rails it is not a monorail.

What do you not understand in the pic of the ‘’monorail’’ about to go onto two rails?

I’ll bet that you think the Third Millennium started on January 1st 2000.
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Re: Remnants of Sydney’s Monorail
Reply #66 - Feb 3rd, 2026 at 9:20am
 
Here’s anotherie clearly running on two rails
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Sir Grappler Truth Teller OAM
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Re: Remnants of Sydney’s Monorail
Reply #67 - Feb 3rd, 2026 at 9:38am
 
Remnants of Sydney's Australianity...
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Re: Remnants of Sydney’s Monorail
Reply #68 - Feb 3rd, 2026 at 9:44am
 
Quote:
I understand the technical details perfectly


Perhaps it is the simple logic you are struggling with.

Quote:
if a train can run on two rails it is not a monorail


Grin

What if you can stick it on a tripod on the back of a submarine?

Are you saying the track is a monorail but not the train running on it?

Or are you just dribbling incoherently?
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« Last Edit: Feb 3rd, 2026 at 1:30pm by freediver »  

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Gnads
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Re: Remnants of Sydney’s Monorail
Reply #69 - Feb 3rd, 2026 at 1:24pm
 
Sir Eoin O Fada wrote on Feb 2nd, 2026 at 8:04pm:
Gnads wrote on Feb 2nd, 2026 at 1:01pm:
Sir Eoin O Fada wrote on Feb 1st, 2026 at 1:29pm:
Gnads wrote on Feb 1st, 2026 at 11:36am:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 7:18pm:
greggerypeccary wrote on Jan 31st, 2026 at 6:40pm:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 6:36pm:
greggerypeccary wrote on Jan 31st, 2026 at 11:37am:
Sir Eoin O Fada wrote on Jan 31st, 2026 at 11:13am:
freediver wrote on Jan 31st, 2026 at 7:49am:
Sir Eoin O Fada wrote on Jan 30th, 2026 at 3:16pm:
freediver wrote on Jan 30th, 2026 at 12:05pm:
Sir Eoin O Fada wrote on Jan 29th, 2026 at 9:45pm:
greggerypeccary wrote on Jan 29th, 2026 at 11:18am:
Sir Eoin O Fada wrote on Jan 29th, 2026 at 11:07am:
freediver wrote on Jan 28th, 2026 at 9:31am:
Brisbane had one.

Brisbane never had a monorail, like the Sydney one it was a fake and people called it a monorail  because they were told that it was one.


I rode on both of them and I only ever saw one rail.

So, if you don't think they're monorails, what are they?


They are elevated narrow gauge railways that use flat rails and side guide wheels in lieu of flanges on the load bearing wheels.
Note the distinct marks from the wheels on both sides of the track.


Correction, a single flat rail. Count them. You won't get past one. That's what mono means. It doesn't mean flanges wherever it is you want them to be.

It doesn't have to be a bicycle on a tight rope to count as a monorail.

See photos of depot, the cars are clearly stored on two rails as on the traverser which seems to have a non slip coating on the rails.
When I first saw the depot the first storage bay was completely open between the rails to allow work/inspection from underneath; probably at a later date than the photo.
As they can run on two rails in the depot then they can run on two rails anywhere, monorails they are not.


So it's not a monorail because of what the depot looks like?

The tracks in the depot prove thet the trains can , and do, run on two rails, a monorail, as the name exemplifies runs on one rail, ...


The huge concrete structure/beam which the train moves along is the 'rail', and there's only one of them.

The two things the trains move along are the 'tracks'.

There can be a dozen tracks on top of that concrete structure and it would still be a monorail.

A monorail consists of a single, rigid, elevated beam—usually made of concrete or steel.

So the various Metro trains running on elevated massive reinforced concrete beams are really monorails despite having two rails; do they become ordinary trains when they descend to ground level?


You mean 'tracks'.

And yes, if they are on one solid, elevated concrete structure/beam, they're a monorail.

Once on the ground, they are not.



Here’s a ‘’monorail’’’ in Mumbai running on its elevated concrete beams.


That is not a Mumbai Monorail vehicle or girder.

Mumbais Monorail operates the same way as the old Sydney & Brisbane Monorails operated.

On top of a single narrow elevated beam on rubber wheels driven by traction motors on the flat surface of the beam.

You'd argue black was white.

Quote:
The Mumbai Monorail is a straddle-beam system, meaning its rubber-tyred coaches sit directly on top of a single, elevated concrete guidebeam rather than running on traditional tracks. Driven by electric motors with 750V DC power, it uses vertical wheels for support and horizontal wheels for stability.


Below is a photo of Mumbais Monorail - Take a close look SEOF.

I’ve had a close look, ridden it from end to end’ The picture that I posted of the Mumbai Metro was in answer to a previous post that you have obviously never read.
When in Mumbai we use the Metro a lot, we own an apartment at Andheri and only a five minute walk to the nearest station, same for the newly opened (May 2025) underground Metro local station.



You posted a picture of a suburban multiple unit that runs on either a standard or broad gauge track(2 rails) over a concrete girder bridge.... it was not a mono rail.

The Mumbai Mono Rail picture I posted is of a "straddle beam" monorail which is the same as both the old Sydney & Brisbane monorails. And you question my reading & comprehension?

You keep talking yourself around in circles & end up in the same place ........ wrong.

It is not a concrete girder bridge, the pic is of a Mumbai metro train on a continuous raised track consisting of Wooton trough girders.
Had you read all the posts you’d have seen where one poster said a raised girder was a monorail regardless of the number of tracks on it
The Mumbai monorail is capable of running on two rails just like its Sydney counterpart, so is not a true monorail.
If its pairs of wheels were replaced with one broad wheel then it would be a monorail train.

It’s quite simple really. Monorails run on a single rail and the only passenger carrying ones are the suspended ones

You are incorrect - firstly both Sydney & Brisbane monorails are gone... secondly they were not capable of running on 2 rails - they like Mumbai are Straddle Beam Monorails.
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Gnads
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Re: Remnants of Sydney’s Monorail
Reply #70 - Feb 3rd, 2026 at 1:27pm
 
Sir Eoin O Fada wrote on Feb 2nd, 2026 at 8:26pm:
And here’s a ‘’monorail’’ about to go onto two rails. . . . . instant transformation.


No it's not you old duffer.

It's going onto a split in the middle girder & it's running surface remains flat on top of the girder.

They are not rails. Roll Eyes Roll Eyes
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Re: Remnants of Sydney’s Monorail
Reply #71 - Feb 3rd, 2026 at 1:27pm
 
Sir Eoin O Fada wrote on Feb 3rd, 2026 at 9:20am:
Here’s anotherie clearly running on two rails


Two tracks, on top of one rail.

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Gnads
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Re: Remnants of Sydney’s Monorail
Reply #72 - Feb 3rd, 2026 at 1:32pm
 
Sir Eoin O Fada wrote on Feb 3rd, 2026 at 9:04am:
freediver wrote on Feb 3rd, 2026 at 6:26am:
Why do you have your panties in a bunch over something whose technical details you do not understand SEOF?

I understand the technical details perfectly, monorails run on one rail, if a train can run on two rails it is not a monorail.

What do you not understand in the pic of the ‘’monorail’’ about to go onto two rails?

I’ll bet that you think the Third Millennium started on January 1st 2000.


They are monorails & they are not running on 2 rails.

A flat surface for running wheels is not a rail.

You're the one who completely misunderstands the whole concept & operation of the worlds most commonly used monorail .... the Straddle Beam.

What are you having difficulty with in understanding that?

You are 100% wrong.
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Gnads
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Re: Remnants of Sydney’s Monorail
Reply #73 - Feb 3rd, 2026 at 1:41pm
 
Sir Eoin O Fada wrote on Feb 3rd, 2026 at 9:20am:
Here’s anotherie clearly running on two rails


Wrong again it's a single girder straddle beam running on two flat surfaces separated by the moulding of the girder to save on building material.

The vehicle straddles the whole (single) beam, is kept in place by outside guides against the beam - the wheels remain in the same place under the centre of the coach and run on the flat surfaces - not rails.

Honestly you should be run out of this thread on a rail.  Grin Grin you're hopelessly wrong.
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Gnads
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Re: Remnants of Sydney’s Monorail
Reply #74 - Feb 3rd, 2026 at 1:43pm
 
What's this type SEOF???

Is it running on rails?  Grin
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