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Happy New Year 2023!! Burrell Build Year 4..

 Happy New Year 2023!! Burrell Build Year 4...


Well, here we are again.
Preface: If you have been following the build so far, we are building a 3" to the foot Burrell Traction Engine, to the latest Bridport foundry drawings.

The scope of this blog is to build up a documented construction guide for other would-be builders to follow.
With the aims of providing interesting discussion points, helpful and useful ideas, with tips and tricks to aid construction.

It must be emphasised that this is not a kit, and as such each and every part needs careful attention and machining. Castings are provided by Bridport Foundry, and making use of the latest technology in the form of laser cutting thus aids accuracy and speed of build.  
However, we are talking about a build that will take at least 10 to 12 years if we are lucky, although the goal is not to rush it, the enjoyment is in the manufacture of the parts and learning new techniques, whilst acquiring tools and new skills.

So, the plan for this year essentially is to continue with the parts we have. A number of castings were purchased to get us started, but I feel until these have been completed to a satisfactorily conclusion no new casting need to be purchased , unless the situation changes with energy pricing, or the availability from the foundry etc...

The smaller jobs like the differential pinion gear shafts, the pinion gears, and the bearings will be the first few months work alone. Then the differential gear, assuming it can fit on the miller, and the new rotary table with dividing attachment.
 
This was the last part I made before Christmas ready for the new year.
Mandrel for machining the differential teeth hopefully.
 
(Photo right) the test teeth Jig tool, I made one similar before, for the 1st to 2nd shaft gears. This one is for the 2nd shaft to the drive axle diff gear, hence the large diameter aluminium spacer on one end. 

Photo below - the test set up for cutting the differential teeth, and the new dividing attachment on the rotary table I had for Christmas. (Thank you to my wife Nina Meredith).



Until next month stay safe; make swarf; have fun!

Stephen.


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