A New Smokebox Door Seal For 6A
Re-Wheeling An NG/G16
NG/G16 129 Engine Unit Frames Near Completion
Another New Boiler For Puffing Billy!
Sustaining The Operation
NG/G16 129 Is Coming Together....Virtually!
First Pictures Of The New NG/G16 Boiler Construction!
NG/G16 Workshop Progress
The air box has been modified somewhat from the original concept, in order to increase clearances around the rear pony truck. Above and below, the first stage of the redesign, with damper fitted, can be seen.
The pipe, with slots along its length, runs across the back of the pan. A little trial and error was required to get the position of the pipe, and the hole sizes, to be just right; the video below shows one of the trials:
Following completion and fitting, 6A went back into traffic for testing, yielding no major issues. The one minor issue so far is that the drench pipe doesn't always clear the pan on its own, and the access doors at the rear (just visible in the photos above and below) have to be opened to allow access for a hose.
The Office of the National Rail Safety Regulator were notified, as a requirement of our accreditation, and they raised no issues either; the new addition to this NA, in it's stage 1 version, has been in use for some months now, and performs admirably.
Watch this space for the Stage 2 enhancements!
This article first appeared on puffingbillyworkshops.blogspot.com
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