A thermosiphon is a method of passive heat exchange between the heat source and the heat sink. In the case here the engine is the heat source and the water tank is the heat sink. The fundamental issue when running the Whippet engine in this configuration was it was getting hot and the water was … Read more

Model Making Style

Whippet Cooling Tank

I posted a picture of the undercoated cooling tank and received a comment that this didn’t appear to fit with my other work. This made me wonder if there is a model making style and do I have a style? The question was raised as I was sent this engine to review and I started … Read more

A Peek Inside the Enjomor Whippet

Enjomor Whippet cylinder and valves

A peek inside the Enjomor Whippet was just too tempting, especially with a set of Wera Allen Keys laying nearby. The head of this Whippet engine is interesting as it is constructed as two layers. The combustion chamber has a heart shape cavity that links the sidevalves to the cylinder. The video shows us removing … Read more

Differential Shimmed and Jigged

crown wheels for the differential

In order to get the differential running smoothly I had to shim and make a simple jig. My original differential for the Burrell used bevels with a 20° angle. These kept locking / binding. Luckily JG pointed out my errors and made a number of calculations to come to 9.5° as the correct angle. As … Read more


Tellurium Figure 1

Prompted by Nigel showing how he managed to calculate an approximate 10:1 ratio gearing (which I considered far too complex) and the exchange of opinion, I shared an old project of mine with him. This led to his suggestion that a small article about my project would be useful here. I’m sure that there are … Read more