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Construction

More P2 assembly work

29/07/2015

With the last of the earlier batch of frame castings now machined, progress is being made with permanently bolting them to the frames. To square up the frames, the bufferbeam stiffeners and the front buffer spring casings have been permanently fitted using the first of the 1065 driven and fitted bolts that have been acquired to assemble the frames.

Following experience with Tornado when we dismantled the buffer beam to bore the middle cylinder where some rust was found between the components, the decision has been made to “wet assemble” all the frame platework and frame stays. This is common practice in the aviation industry where sophisticated interfay compounds are routinely used in riveted aluminium alloy to inhibit corrosion.  After looking at several options, we have settled on using red metal primer as the interfay compound, as where it is squeezed of the joints, it makes an excellent base to ensure adhesion of subsequent layers of paint.  The sequence of photos shows Ian Matthews fitting the front bufferbeam. A coat of primer is applied to both mating surfaces and the components assembled and fully bolted together whilst the paint is wet.

07181507 Ian torques nuts on the buffer spring casing 28 7 15

Ian uses a torque wrench on nuts on the buffer spring casing – David Elliott

07181506 Bufferbeam stiffeners and buffer spring casings ready for bufferbeam fitting 28 7 15

Bufferbeam stiffeners and buffer spring casings ready for bufferbeam fitting – David Elliott

07181501 Ian applies primer to frame stays 28 7 15

Ian Matthews applies primer to frame stays – David Elliott

07181502 Ian applies primer to the back of the bufferbeam 28 7 15

Ian applies primer to the back of the bufferbeam – David Elliott

07181503 Lifting on the buffer beam 28 7 15

Lifting on the buffer beam – David Elliott

07181504 Inserting driven bolts with a copper hammer 28 7 15

Inserting driven bolts with a copper hammer – David Elliott

07181505 the buffer beam is on 28 7 15

The buffer beam is on – David Elliott

P2 – progress on the front end

22/07/2015

07141519 DLW 14 07 2015 Bob Hughes

A front buffer housing (or gusset) is offered up – Bob Hughes

07141520 DLW 14 07 2015 Bob Hughes

A better inllustration of the component’s position – Bob Hughes

07151506 Ian Matthews Mick Robinson Checking Front Aliment

Mick Robinson and Ian Matthews line up the magnetic drill – David Elliott

07151510 Ian Matthews opens out the first of over 1000 holes 15 7 15

Ian opens out the first of over 1000 holes – David Elliott

P2 assembly re-commences

22/07/2015

We currently have a total of 24 frame stay and hornblock castings which have been machined (which we asked our contractors to store for us until Tornado left Darlington Locomotive Works as space there has been at a premium) ready to fit to the frames. Using some of the 1,065 driven and fitted bolts and self-locking nuts for frame assembly that have been delivered by Hawk Fasteners at Middlesbrough, these will keep the team busy until the larger fabricated frame stays start to arrive.

07141503 DLW 14 07 2015 Bob Hughes

The rear of the frames awaiting the drag box and Cartazzi frames – Bob Hughes

07141508 DLW 14 07 2015 Bob Hughes

The castings and Cartazzi frames are trila fitted – Bob Hughes

07141512 DLW 14 07 2015 Bob Hughes

The rear drag box in place, viewed from the front – Bob Hughes

07141513 DLW 14 07 2015 Bob Hughes

One of the many brackets now in place – Bob Hughes

07141515 DLW 14 07 2015 Bob Hughes

The first Cartazzi horn guide is offered up – Bob Hughes

A1 down, P2 to go!

22/07/2015

The extended overhaul of No. 60163 Tornado has absorbed our engineering resources, and equally importantly the space we have at Darlington Locomotive Works to erect the frames. With the re-entry into service of Tornado, the first job was to clean and repaint the floor in DLW – overhauling an engine that has covered seventy six thousand miles over six years is a very dirty process compared with building a new one!  No. 2007 Prince of Wales’s frames have since been skated back into the middle of the workshop over the track and pit to enable to construction to resume in earnest.

07061505 The frames are being skated sideways IY

07061506 The frames are being skated sideways IY

07061507 The frames are now in the desired position IY

07061508 The frames are now in the desired position IY

Photos of the frames being skated back into position over the pit road – David Elliott

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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

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To develop, build and operate an improved Gresley class P2 Mikado steam locomotive for main line and preserved railway use. All Images Copyright A1SLT

Gresley P2 2007
Gresley P2 2007@Gresley_P2_2007·
7 Dec

The presentation is now underway, as David introduces the project to this morning's attendees.

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Gresley P2 2007@Gresley_P2_2007·
7 Dec

All set up for today's P2 Roadshow taking place in conference room 2, Pendulum Hotel Manchester.
Join us for an informative presentation led by our engineering director David Elliott. Presentation starts at 11am.
FREE entry, all are welcome.
We look forward to meeting you!

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Gresley P2 2007@Gresley_P2_2007·
5 Dec

https://www.p2steam.com/category/construction/

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