Tag Archives: seal engine build

Seal Crankshaft – marking out

After converting all the plans dimensions to decimal using a excel spreadsheet, they were transferred to both steel blanks. To ensure they were as accurate as possible a small angle plate combined with an engineer’s square clamped in position ensured the … Continue reading

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Progress of sorts with the Seal con-rods.

Well I managed to get out into the workshop this morning to continue on with the Seal con-rods, that’s after quickly turning up a bush for the centre of a de-burring wheel. I was impressed with one I saw earlier this week … Continue reading

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Seal engine – 4 Pistons part made for the first engine.

I have turned 4 pistons for the first Seal engine and following advice I have turned them 1 Thou under size. The 2 sets of rings per piston take up the rest….. A full wrote up of the build can … Continue reading

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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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Bent valve! Back to the drawing board….

Yesterday was a difficult day. I was really pleased with my first valve and took a lot of time over it! Yesterday I ruined it. Ok, it was always going to be a test piece to sort out the machining … Continue reading

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Machining 1″long stainless steel valves for Seal engine’s

Well this morning I made a start on the valves for the pair of Edgar T Westbury’s Seal engines I am building. Its been a while since my last work on this pair for various reasons but at least I … Continue reading

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Seal Flywheel and turning mandrel makes some progress.

Whilst I made an error on this one flywheel for the Seal engine early on I decided to carry on and complete it to verify my methodology. A mandrel was made so the finishing cuts could be made between centres making a non ‘wobbling’ flywheel! Continue reading

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One step forward then two back with the Seal Flywheels!

A silly misread of the plans leads to the scrapping (when finished) of the first flywheel for the pair of Seal engines. Continue reading

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Seal 15cc 4 cylinder valve guides and flywheel under way.

Working out how to make the valve guides for Edgar T Westbury’s 15cc 4 cylinder petrol engine. Follow the building of two Seal engines on www.mikes-models.com Continue reading

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