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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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Latest News

  • Tender construction continues
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  • Suppliers sought for cylinder block for No. 2007 Prince of Wales
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  • New railway art unveiled in Darlington

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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 Apr

THREE-QUARTERS OF THE WAY THERE - HELP US TO RAISE A HEAD OF STEAM AND JOIN THE BOILER CLUB TODAY!

So far, The Boiler Club has received pledges of £450,000 (excluding Gift Aid) from 225 supporters - 75% of the 300 needed!

Click here to sign up online: http://ow.ly/ELR950Endyj

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Gresley P2 2007@Gresley_P2_2007·
11 Apr

Did you know that you can now sign up as a P2 Covenantor, join any of the P2 clubs, contribute to The P2 Support Coach Appeal or make one off donations online ?

Click here to sign up today: http://ow.ly/GH8m50DJECp

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Gresley P2 2007@Gresley_P2_2007·
9 Apr

The A1SLT wish to extend our deepest sympathies to Her Majesty The Queen, His Royal Highness The Prince of Wales and the whole Royal Family following the very sad news of the death of His Royal Highness The Prince Philip, Duke of Edinburgh.

http://ow.ly/p9Oo50EkD4h

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