Cwm Carno

Week ending 26th January

Another week the club and a fair turnout on Monday

With the Scalefour Jubilee Challenge criteria specify that entrant layouts must fit in a car, so we checked that the Cwm Carno baseboard fitted in one. Here it is in LBH’s Peggie, and it just scraped in. We might need to trim some of the beams to make sure it’ll fit in satisfactorily and recheck regularly.

Elsewhere Rhobat was working on a hut, also for Cwm Carno.


Andrew N just finished ten (yes 10) of the 3dPrintolutions wagons to scalefour standards. Suspension methods include compensation and springing – both internal and external, unfortunately as they stand they are a bit too light (typically 22g) to run reliably so will need further weighting.

Friday brings a few adjustments (i.e. correcting where LBH messed up) to some of the components of Cwm Carno baseboard and it’s more-or-less ready for glueing.

The corrections included new slots at the correct levels being cut at the south end, though the chunky support piece also needs raising. And extra, smaller holes for wiring feeds were made.

Elsewhere Wagonman and Luke were working on their pannier and side tanks respectively.

Luke now has the inner sides of the tanks fitted, and after a clean with Viakal is looking the part.

Wagonman’s pannier tank is one of the Cleobury Mortimer and Ditton Priors locos rebuilt by the GWR. This one will be GWR No 28 as you can see in the photo. The nice reversing lever in the cab was believed to have fallen on the floor and after a bit of scrabbling around was actually found up on the work surface. Typical!

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Week ending 19th January

On Monday a little reorganising was done. With the components for the Jubilee Challenge / Cwm Carno baseboards due to arrive this week, possibly, a work-surface was created to enable construction at a reasonable height rather than grovelling on the floor. Care was take to get it nice and flat.

It apparently didn’t occur to Poppy’s Woodtech that anyone would be daft enough to build a 7’6″ wheelbase wagon, but, yes, LBH is quite daft enough so the jig is being modified with an extra slot at 6′ to provide 7’6″ in combination with the +1’6″ slot.

In the background you can see the Gilvach (sic) wagon patiently awaiting its axleguards.

By the time Tuesday arrived plans had changed slightly and ABB needed to be erected, which with 8 weeks until its appearance at Ally Pally was a good move too. It was levelled (with some effort) and successfully tested for trackwork. Next will come uncoupling checks and cleaning.

Further vegetation for ABB appeared too.

Friday the laser-cut parts for the Jubilee Challenge/Cwm Carno were delivered chez LBH. And with the aid of Fred and his van transported to the club.

Within a few minutes the packing was opened revealing the fifty-odd components of the baseboard framework.
And just a further few minutes later the components fell together with surprising speed and ease, much to everyone’s (especially LBH’s) relief.

There a few errors that will need to be sorted out before the pieces are glued together. Mr Chairman and LBH can be seen plotting remedial action.

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