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Any old iron - Jinty lamp irons.

Adrian

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A quick update on the Jinty progress with a few details on making the lamp irons.

 

The lamp irons on the footplate are simple enough, the etchings supplied in the kit are fine but I thought they were a little on the skinny side so I just used a bit of nickel strip. However the rear lamp irons and the one on the top of the smoke box are a little more tricky. The etchings supplied in the kit involves folding back etches which I think end up looking too thick in places. This was my solution.

 

I used a scrap bit of etched nickel strip from the kit, folded a 90 degree bend in each end and placed it on a bit of 16 thou nickel sheet. This was then silver-soldered together. I just used three small pallets of silver solder heated up with a small blow torch. There is something deeply satisfying watching silver solder flash into a joint, a small sliver can go a long way. After a quick clean in the acid bath I have this.

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A quick clean up and then using a piercing saw start taking slices, the first cut can be seen on the right hand side.

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Nearly there -a little bit of filing gets me to this stage.

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With the lamp iron being silver soldered it means that I can soft solder it to the loco quite easily with no fear of the joint melting. This shows it in place, a little prominent at the moment, I'm hoping it looks more in place once the smoke box door and chimney are fitted.

 

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This also shows the progress with the brakes and sand boxes. The brakes went together without any major problems, the sand boxes needed a little modification for Scale7. The casting are for finescale so fitted to S7 frames with slimmer wheels means that the sandboxes just foul on the rear of the coupling rods. So I skimmed 1/32" off the depth of the casting in the lathe to give me a bit of breathing room, the frames were then tinned and the boxes sweated onto the frame by applying the iron to the back of the frames.

 

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Adrian

Next on the workbench will probably be the MOK 4MT. Although if my bonus at work comes through, there might be either a JLTRT 3F or Pannier tank in the wings as well, both types were photographed at Tewkesbury.

Adrian

 

 

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Dan Randall
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That's a very clever way of doing the lamp irons Adrian - I'll have to remember that technique. icon_thumbsup2.gif

 

 

Good luck with your bonus (and can I put a vote in for the pannier tank please? I quite fancy one myself and it would be nice to know what I'm letting myself in for.....). wink.gif

 

 

Regards

 

Dan

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Isambardme

Great lamp iron scratchbuilding. For anyone without the time or skills for this, Laurie Griffin supplies excellent cast lamp iron sets that cover both Jinty front inc smokebox top & rear lamp iron set. :rolleyes:

 

For the roof I've used Adrian's soldered tight initial curve piece either side with a removable central brass roof, the join is hidden by rainstrips.

 

Dummy w/metal inside rods & valve gear has been added from £8 ebay ad , but most of it can't be seen. The inside valve gear is supported on thin cross bracing hidden deep inside the chassis as the valve gear had to stop just short of the Portescap RG7 which could only fit the centre axle.

 

With scratch built curved brass ashpan sides the chassis has now been sprayed Halfords matt black. A little gentle filing with diamond round file to rod centre holes & chassis now runs very sweetly. :D

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Isambardme

I would love to see how you tackle the JLTRT 3F , as I'm thinking of getting one myself. I've seen a mate's JLTRT 4F kit, the quality of the castings & resin boiler/ firebox are rather impressive.

Thanks.

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