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Construction

May boiler update

22/05/202027/05/2020

Since last year’s announcement of the placing of a £1m order for two new Diagram 118a boilers from DB Meiningen (DBM) significant progress has been made.

We recently dispatched the regulator and pilot valve castings and forged foundation ring corners from Darlington Locomotive Works to Germany for incorporation into the new boiler. Further discussions have taken place between our engineering and operations teams and DBM to finalise the locations of the increased number of flexible stays in the firebox based on experience with Tornado’s boiler.

The recent design review went smoothly and will now be submitted to DBM’s NoBo (Notified Body) TüV for approval after which DBM will send the Trust complete copies of the Technical File which defines the design for perusal by various UK bodies that we have to notify or consult. Provided these organisations do not have any significant comments, the revised design will then be fully released for manufacture. The parts that have been manufactured to date will not be affected by any of the proposed changes to the design.

Other boiler related progress to-date includes:

  • Boiler design study completed
  • Forged foundation ring corners manufactured
  • Regulator and pilot valve castings delivered
  • Superheater header cast and machined
  • Superheater elements being assembled
  • Smokebox assembled and trial fitted to the frames
  • Chimney cast and fitted
  • Boiler cladding manufactured and trial fitted to frames
  • Boiler order placed with DB Meiningen for delivery in 2021
  • DBM has completed the detailed redesign of the banjo dome to ensure that it fits under the P2 cladding
  • Revised design for the dome has been submitted for stress analysis to FEA (Finite Element Analysis) specialists, CIDEON, who’s report confirms that the design is satisfactory
  • Completion of the detailed design

Following on from this leap in progress, we would like to encourage those who haven’t yet joined The Boiler Club to help us fund the purchase of No. 2007 Prince of Wales’ most expensive component. We must reach our 300 members target in 2021. You can join The Boiler Club here.  Photos by Christopher Wörfel, DBM/A1SLT.

The drilled firebox tubeplate

A detail of the above image

One of the coned sections showing the perforations for the banjo dome steam collector

Dome top covers

One of the foundation ring corners awaiting welding

The Foundation ring with all four corners tack-welded in place

A corner fully welded up

The two completed foundation rings

Boiler barrel cones

A stack of superheater elements

Pony truck progess

22/05/202022/05/2020

We recently launched a £20,000 appeal – The Pony (Truck) Club – to fund the construction of the leading pony truck for No. 2007 Prince of Wales. We set a minimum target of 20 generous supporters willing to donate £1,000 plus Gift Aid (in up to four payments of £250) but this club has galloped away and more than 20 supporters have already signed up. We have therefore decided to extend the club by a few members to cover the considerable certification costs associated with the modified pony truck design. Please consider joining The Pony (Truck) Club in advance of the frame’s delivery to DLW, you can find details here.

The latest CAD drawing of the revised pony truck arrangement for No. 2007.

North View Engineering Solutions in Darlington are making progress with the pony truck fabrication, although this has been slowed by the COVID-19 issue.  In the meantime the pony truck cannonbox has been temporarily assembled on the wheelset bearings using a set of trial fit adjustment rings (originally made for when the similar process was carried out on Tornado’s bogie wheelsets). Daniela Filová has measured the end float of the cannonbox which enables us to calculate the required thickness of the permanent adjustment rings to provide the Timken recommended end float and to ensure that the cannonbox is centred on the wheelset.  All photos by Daniela Filová.

Pony truck wheelset on its end for measuring the cannonbox end float.

Pony truck steering arm fabrication.

Pony truck crosshead guide fabrication.

Pony truck side frames with doublers tacked on.

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Construction Archives

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Latest News

  • P2 locomotive and tender frame progress.
  • Cylinder block update.
  • Christmas lights! An electrical update for the new P2.
  • Christmas gifts forged from steel.
  • Boiler No.1 (or is it No.2?) nears completion.

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The P2 Steam Locomotive Company
Darlington Locomotive Works
Hopetown Lane
Darlington
DL3 6RQ

01325 460163

Darlington Locomotive Works – The Works are open to the public on the first and third Saturday of each month, the latter a day that coincides with NELPG also opening their doors to visitors – 11:00hrs to 16:00hrs. NOTE, DUE TO THE CURRENT SITUATION, THE WORKS ARE CLOSED UNTIL FURTHER NOTICE.

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Gresley P2 2007@Gresley_P2_2007·
16 Jan

Do you shop with Amazon ?

Amazon donates 0.5% of the net purchase price to The A1 Steam Locomotive Trust, at no extra cost to yourself.

Click here to use Amazon Smile today http://smile.amazon.co.uk/ch/1022834-0.

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Gresley P2 2007@Gresley_P2_2007·
11 Jan

It's Mikado Monday !

The construction of the pony truck has made significant progress over the past few months at several sites across the UK.

Click here for more information and to help us gallop past the finish line: https://bit.ly/3bAVIeK

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Gresley P2 2007@Gresley_P2_2007·
8 Jan

Progress continues to be made on the frames and tender frames. Read more here : http://ow.ly/crjd30rqXka

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