Sandwich Crankshaft Bearings
Looking at the slot in the tender I decide to make sandwich crankshaft bearings for the Burrell. Sandwich refers to the layers of the bearings. Essentially a 12mm brass square that is 1.6mm thick in [more…]
traction engine
Burrell Crankshaft
The traction engine is starting to take shape, but the Burrell crankshaft looks like it needs some thinking about. The issue is the clearance between the top of the firebox and the shaft. OK, this [more…]
Improving the Burrell Engine Flywheel
Improving the Burrell Engine Flywheel from the original heavy design to a thinner elegant long spoked thin rim to match the 1890 drawing. I roughed out a flywheel yesterday, but then Steve (SGSengineering) rightly commented [more…]
Burrell Engine Flywheel
The Burrell engine flywheel at 1/20th scale is a tiny 72mm in diameter and just 9mm wide. I’ve machined this from a piece of solid extruded cast iron. Firstly turning the surface profile on the [more…]
Correcting the Firebox Door
Correcting the Firebox Door is a tale of me getting the design wrong, then amending it before admitting to it. Original Door Location I had originally designed the door to be higher up in the [more…]
Rear Axle PB Bearings
The rear axle PB bearings for the 1/20th scale Burrell traction engine actually turned out quite a delight to turn. Phosphor bronze (PB) can be quite difficult to machine. Hence I thought I would try [more…]
Beading the Edge of the Tender
Beading the edge of the tender has been something I’ve been looking forward to and not. A great step in the look of the tender, but bending the profile brass around accurately is not the [more…]
Hornplates and Tender Body
The 1/20th scale Burrell traction engine has moved on to the hornplates and tender body. In one of the last posts I cut out the hornplates+. The sides are from 1.6mm thick brass and the base [more…]
Hornplates Plus for the Burrell
I called this Hornplates Plus for the Burrell as the hornplates have been extended to include the body of the engine behind the rear wheels. This might be strange, but at this 1/20th scale it [more…]
Burrell Chimney Cone
The Burrell chimney cone should really be a rolled sheet metal part with an upper and lower cap. The lower cap being the interface to the smokebox. The upper cap being a brass ferrule that [more…]