46115 tender disc wheels

[AdamOrmorod]

Hi everyone,

 

I noticed in a video of 46115 Scots Guardsman that the front pair of tender wheels are discs, while the other two pairs are spoked, which I'd never noticed before.

 

 

I did some googling and it seems like it has not always been like this.

 

I'm just curious, does anyone know if these were swapped in after the hot box on the GBXV tour? Where are they from?

 

I hope I've put this in the right place!

 

Best,

Adam

 

 

[hmrspaul]

Wasn't a disc in August 2022 https://PaulBartlett.zenfolio.com/brsteam/e27891c0f

Paul

Edited October 6, 2023 by hmrspaul

[adb968008]

Speculation…

Is the disc wheels spring more tense, axlebox lower than the other two wheels ?

is it possible a smaller dimension wheel has been used ?

 

4’3” is suggested as a Stanier tender wheel, I can’t think of any diesels with that, most are 3’7” or 3’9”…

class 81 was 4’ but I doubt theres many of them lying about.

Mk1’s are 3’6”…

 

given the various LMS tenders onsite, (at least 2 Black 5’s, 8f, 2x Jubilees ) i’m surprised they couldnt have effected a tender swap, or borrowed a wheel.

Edited October 18, 2023 by adb968008

[davefrk]

I seem to remember that the LNER built some LMS 8Fs and they had disc wheels on the tenders so there are bound to be one or two sets about as spares when needed so I wouldn't worry about it.

Edited October 18, 2023 by davefrk