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Sandringham New Build(s)

Discussion in 'Steam Traction' started by D6332found, Jan 29, 2017.

  1. Richard Roper

    Richard Roper Well-Known Member

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    Nice! Looks almost as though it's a development of Mr. Blenkinsop's locomotives...

    Well done, a big step forward!


    Richard.
     
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  2. Wozzy18

    Wozzy18 New Member

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    The (almost) finished article - the first new driving wheel for a B17 in 87 years. 6’8” and weighs a lot! 5 more to go in the next weeks once this one has been thoroughly tested. Doesn’t it look superb. To help the Trust finish the rolling chassis, which needs now axles and roller bearings, please donate or join them as a member at www.b17steamloco.co.uk.

    Finished cast wheel 20220131_084117.jpg
     
  3. Wozzy18

    Wozzy18 New Member

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    A lot is happening with progress on the construction of 61673 Spirit of Sandringham

    Hot after the news that the Trust had ordered the steel forgings for the tyres (driving and front bogie wheels), the Trust has announced that they have also ordered the steel forgings for the two plain axles (intermediate and trailing wheels) from Railway Wheelsets Ltd. This is a long lead time item and once received will give them all the major components for two wheel sets, which can then be machined and fitted to the frames.

    They have also announced the launch of a special Facebook only appeal which, while understanding that many will already be involved with, and donating to other projects, they can still donate the price of a cup of coffee to the B17 buffer refurbishment fund. Just a few pounds from every person will help them get the buffers they already own refurbished and ready for fitting to the frames. Just transfer a pound or two to the B17 Steam Locomotive Trust Account. Account name: The B17 Steam Locomotive Trust, no: 53357821, Sort Code: 20-41-12, noted as Buffers, so they can allocate the money correctly. A photo of the buffers is attached.

    Finally the Trust has been left a significant legacy from a member who has recently passed away. A small part of this legacy includes 63 professionally differently named and numbered OO models of B17s, either Hornby or Bachmann based. What a wonderful display as the attached photo shows. There are also a considerable number of other railway models which will be sold to benefit the Trust. The actual value of the financial benefit of this legacy will remain confidential for the time being.
     

    Attached Files:

  4. Wozzy18

    Wozzy18 New Member

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    Following casting, all 6 of Spirit of Sandringham's driving wheels have been moved to ADA Machining Ltd in Greater Manchester for proof machining (removing excess material) to near final dimensions to prove the integrity of the castings.
    The wheels will then be returned to William Cook for the completion work to be carried out. This will include non-destructive testing (NDT) of each wheel to determine if flaws or imperfections are present and if detected, these can be pinpointed for detailed investigation and further action. Tests will involve magnetic particle inspection (MPI,) radiographic test (X-ray,) ultrasound test (UTS) and final inspection measurement, leading to product release. The Trust will then arrange final machining to precise sizes and tolerances in accordance with the design requirements.
    The tyres are already on order.

    B17 1.jpg B17 2.jpg
     
  5. Wozzy18

    Wozzy18 New Member

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    Just a few photos of work progressing on Spirit of Sandringham in the past 7 days. The first two show the hornblocks being machined at the premises of CTL Seal in Sheffield, while the third shows one of the 6’ 8’’ main driving wheels undergoing final inspection after proof machining at ADA Machining in Ashton-Under-Lyne

    Hornblock machining CTL Seal 1.jpg Hornblock machining CTL Seal 2.jpg Wheel machining.jpg
     
  6. Wozzy18

    Wozzy18 New Member

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    Two of 61673's newly machined Hornblocks at CTL Seal - Sheffield ready for fitting to the frames. Alongside are the buffers donated to the B17SLT by the now disbanded Engine 61662 Appeal - these will shortly be refurbished and mounted on the frames.

    Hornblocks.jpg
     
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  7. Richard Roper

    Richard Roper Well-Known Member

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    Nice that some components from the 61662 project can be used again, and will at least see service on the same class of engine.

    Richard.
     
  8. Wozzy18

    Wozzy18 New Member

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    CONSTRUCTION UPDATE NOVEMBER 2022 (apologies for the first photo being out of order but it is late!)

    Hornblock Assembly

    Machining of the six Hornblocks has commenced at CTL Seal. This activity is planned to be complete by the end of January 2023. The second and third pictures show the first hornblock undergoing machining while the fourth shows the first two after completion.

    Trial fitting to the frames will take place when all six are machined.

    Plain Axle Assemblies and Roller Bearings
    The plain axle forgings have been acquired from Railway Wheelsets and are being inspected at Unilathe before quotes can be revalidated for machining. The roller bearings are on order from Timken and due for delivery at the end of 2022. Cannon axlebox machining, and the associated fastener manufacture, is underway at Daniela Works Ltd. (DWL), Shildon (see fifth photograph below) and should be complete at the end of December. Quotations are awaited for spacers and the plate liners from Timpsons and Unilathe respectively.

    Crank Axle Assembly and Roller Bearings
    The machining of the Coupled Axleboxes and special fasteners is well under way at DWL. As with the Plain Axles, the roller bearings will shortly be available from Timken. It is the supply of the forgings for the two stub axles and the crank pin that is causing concern. These have been severely affected by the situation in Ukraine, and raw material prices. Once there is an indicative programme for the forgings with stable prices, orders will be considered for the forgings for the sweep webs, and then the machining of all the crank axle components.

    For both the Plain and the Crank Axle assemblies, the six coupled driving wheels are currently undergoing non-destructive testing at William Cook Cast Products after being proof machined at ADA Machining Ltd. (see fifth photo below)

    Driving Wheels Suspension System
    Discussions are required with Ricardo Rail for approval of the proposed springing system before requoting and manufacturing can commence. The bushes are already being machined at DWL (see first photo below) who are also quoting for the fasteners, cover plates and pins.

    Bogie
    The forgings for the tyres are complete and with South Devon Railway Engineering (SDRE). The roller bearings from Timken should be delivered by the end of the year. When the design activity on the cylinders has been completed, design work will start on the bogie frame in early 2023. Quotes for the pattern for the 12-spoke wheels and their casting from William Cook Cast Products (WCCP), are awaited and then casting of these can proceed.

    Smokebox
    Indicative costs for the smokebox have been requested from Locomotive Services of Loughborough and a fundraising appeal launched in support of this.

    Cylinders
    Design work on this package of work is planned to be completed by the year end. The designer will then move on to the design of the bogie. The cylinder design has focussed on creating fabricated cylinders and saddle to replace the original castings. (see below)
     

    Attached Files:

    Last edited: Nov 14, 2022
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  9. Richard Roper

    Richard Roper Well-Known Member

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    Very interesting reading, a lot of activity to report on there. well done!
    Is Daniela Filova still associated with the A1 Team then, or has she gone fully independent now?

    Richard.
     
  10. Wozzy18

    Wozzy18 New Member

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    DWL still does work for the A1 SLT but I am not sure what the contractual link is between them, sorry.
     
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  11. Sheff

    Sheff Resident of Nat Pres

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    Daniela is featured in the latest edition of Trackside mag.


    Sent from my iPad using Tapatalk
     
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  12. 240P15

    240P15 Well-Known Member

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  13. Richard Roper

    Richard Roper Well-Known Member

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    Thank You for your input Gents, much appreciated!

    Richard.
     
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  14. Wozzy18

    Wozzy18 New Member

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    The 12 spoke bogie wheel pattern for 61673 Spirit of Sandringham has been completed by William Cook in record time - the order was only placed in December after the decision was made to go for the 12 spoke NER Darlington practice, rather than the 10 spoke Doncaster one. The pictures below show both sides of the finished pattern. An order for the casting of the 4 bogie wheels will be placed very shortly and some of the drawings for their manufacture are also shown below

    Bogie wheel 1.jpg Bogie wheel 2.jpg Bogie wheel drawing.jpg
     
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  15. Bikermike

    Bikermike Well-Known Member

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    Nice work! What was the thinking behind the choice of spoke numbers?
     
  16. Wozzy18

    Wozzy18 New Member

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    I believe that in order to help reduce costs it was considered borrowing the wooden pattern for the 10 spoke bogie wheels used by the A1 Trust for Tornado (these being of the same diameter). Although it was thought that some B17s ran with the 10 spoke wheel, no photographic evidence could be found - so thanks to the generosity of a B17 Trust member who has funded the cost, it was decided for the sake of historical accuracy to use the original Darlington 12 spoke design instead.
     
  17. Matt37401

    Matt37401 Resident of Nat Pres

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    Are Hornby now going to have to re-tool their new model? ;)
     
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