Identification Required.

[Luke R]

Dave,
I sent your photos to a friend of mine and he agrees with me that they are Beaufort/Beaufighter engine mounts as in what holds the engine to the wing.
The mounts that hold the radial engines in tanks/LVTs are completely different.

[Hanno Spoelstra]

Just to give an idea, here's a picture of the engine mount of a Lockheed Electra. Not saying your mount came off an Electra, but it shows the general layout and construction of a radial engine mount. Its function is to carry the weight of the engine and transfer the forces to the engine bulkhead which itself is fitted to the engine nacelle (part of the main wing structure). The engine and its mount are covered in fairings to improve aerodynamics.

With your restoration skills, I would not be surprised if one day you would rebuild the rest of the airframe around this mount

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