Category Archives: seal engine build

Seal Crankshaft – next stage is profiling

Posted on 30 May, 2011 by Mike Freeman

Well I managed to turn all the journals to size without a major mistake (so far!) and only have the profiling to do on the milling machine. I did check the journals on the granite block and was pleased that … Continue reading →

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Excel is a bonus for planning crankshaft machining

Posted on 25 February, 2011 by Mike Freeman

Whilst not up to doing any machining I thought I would take the opportunity to draw up a better dimension aide memoir. I did however manage to reverse the set up ready for the next  session.

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Seal Crankshaft – Milling and turning the blanks

Posted on 23 February, 2011 by Mike Freeman

In this, and future posts, I am adding links to where I source my tooling (new or second hand) in response to the many enquires I get as to where I bought a particular item. So the links will take … Continue reading →

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Seal Crankshaft – marking out

Posted on 23 February, 2011 by Mike Freeman

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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Bad day at work! Con Rods put to one side so change of tack – crankshafts next.

Posted on 6 February, 2011 by Mike Freeman

I knew I shouldn’t have gone out to the workshop, feeling a little under the weather after being brutalised by my younger brother Stephen (he maliciously tripped me up  when I was already wobbling – my life is spent being … Continue reading →

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Progress of sorts with the Seal con-rods.

Posted on 3 February, 2011 by Mike Freeman

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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The Workshop beckoned and I answer at last! Seal Conrods

Posted on 27 January, 2011 by Mike Freeman

Well the 25th January was the day I finally got back into the workshop to work on metal. In particular the pair of Seal engines. I have had either a real or perceived, problem with sourcing high tensile steel or … Continue reading →

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

Posted on 18 October, 2010 by Mike Freeman

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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Frustrating session in the workshop!

Posted on 9 October, 2010 by Mike Freeman

I set everything up last night ready to make a start on cutting the 1.5″ diameter round bar of high tensile steel, in half. I was full of hope that with the carbide tipped saw blade that cuts wood and … Continue reading →

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