A Set of 6 Stuart 10V Steam Engines


This project was a joint venture with a friend of mine who also had a metal working machine shop.

The idea was to build a set of 6 Stuart 10V steam engines. We would keep one engine each and the other 4 would be sold to pay for the ones we were keeping.

This would give us a free engine each (or rather, 2 engines paid for with time, rather than money).

 

The kits were divided between us. I machined the cylinder/valve and frame assemblies and my friend did the crank, flywheel and main-bearing assemblies.

The other benefit from machining more than one kit was that the time and effort required to machine six parts was not six times the effort required to make one part. For example turning 6 flywheels was not much more work than turning 1, because once the lathe was set-up all six could be machined in one setting.

 The photograph below shows the 6 half-kits in my workshop

Engine No1 was significantly further ahead than the other 5 at this stage because the first kit was used to perfect each machining process and then other 5 parts were made in the same way.

 

 

Here is one of the engines being run in on the bench.

All 6 models turned out very well and produced good power even at low pressures.

Overall the project was a success, resulting is 6 good engines and the cost of keeping one engine each was covered by the cost of selling the other 4.

Click this image for a movie of one of the engines running on compressed air.

Warning 8 Mbytes

 

Some photos of one of the finished engines are shown below.

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