Category Archives: seal engine build

Flycut the top of the Seal Block – need to make a valve seat cutter next.

Today I managed to get the surface fly cut back and also the base but have left 3 thou for final lapping of the top and bottom. Hope its enough! The home made power feed worked great and certainly helped … Continue reading

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Seal work starts again – pressing valve guides and cylinder liners.

Pleased to get out into the workshop and carry on with the Seal build. Today I spent my time boring out the previously madeĀ  valve guide blanks. Once this was completed I reamed all the guides 3/32″ to match the … Continue reading

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Pattern making Seal engine parts and ‘other’ items progresses.

Work continued on the pair of patterns for the Seal engine. I am now at the stage of painting to get a good finish. To help me I use two different spray colours so I can see clearly the areas … Continue reading

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More wood – bit this time metal will be used when patterns cast!

I have decided to make use of the fretsaw before putting it away after making a couple of wooden toys for my grandchild. I need to have two castings for the Seal that are handed different from the norm, allowing … Continue reading

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New Seal Block ordered from Hemingways!

Not a lot of work this week in the workshop on the Seal engines due to working in part on some wooden toy’s for my new Grand child Freya (and I hate wood!). However it has given me time to … Continue reading

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Tappets & both camshaft bushes completed for Seal engine

Yesterday I managed to make the tappets for one engine (8 in all) and they are now awaiting my first attempt at case hardening. To speed up their production I made a tube out of stainless steel to fit over … Continue reading

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Camshaft bush and 8 valves finished for Seal 4 cylinder 13.7cc engine

Today I managed a session in the workshop and completed (other than cutting a screwdriver slot in the valve faces) the first set of 8 valves. Last night I thought I would change my plan and get something to revolve … Continue reading

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8 valves nearly completed for Seal engines.

I managed a short session today and managed to nearly complete the first engines 8 valves. There only remains 4 valves to be finished to overall size then cut a slot in each face. When these 8 are done I … Continue reading

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Valve for Seal Engine – How I am making mine.

I thought I would share with you how I am making the valves for the Seal engine design by Edgar T Westbury. Sadly I am a ‘list man’ and after working through my first machining method list it was amended … Continue reading

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