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I would be interested do you have a working model to show? Thanks

Guys. Does it matter. Who wants drawings that don't work or castings that don't fit the drawings. If someone is willing to spend so much time and effort so we all gain. My answer would be "So, sue me!" Graham

I'll say it again but last time igot no comments. Anyway the way I check for TDC and compression stroke on full size or model engines is by making a bubble on the spark plug hole ( either spit or washing up liquid) by rotating the engine slowly the rises at TDC and goes back down after TDC. You...

I seem to remember Rolls Royce used to leave thier engine block out in a field for years before machining.

Hi Robin, I have(I think what you but PM me if you can Hi Robin, I've built 4 of these engines and can say all worked perfectly I have only built boat engines with flywheel. Malcom designed a good engine. I have also built the kiwi 2 from casting ( castings a rubbish) but I got it running and...

I'm out too. I want to make things not talk about it

A break room?

Not sure what this has to do with model engineering

I built the sealion years ago before Hemingways took over the rights. The casting were really bad I.e. blow holes and just poor castings I did eventually get it completed and running. I used hall triggered transistor ignition from the crankshaft (2 × Magnets) couldn't get points to work at all...

Hi Brian, Email address is:- [email protected] Thanks Brian.

My dad used to say "give me a fulcrum point and a long enough lever and i will move the earth.

Well I feel like a 18 yr old.....anyone know where I can find one.

Hi Richard, No scoring needed, I just use 2 pairs of flat nose pliers right next to each other and twist. It's surprising how little you need to twist. In fact once you hear it break, it can be difficult trying to find where the break is. Graham

Hi Gordon, Yep, that would do it. And save a few hours in the workshop.

I can't believe how much effort people go to cleaving thier rings. I've said this before, but just hold the ring with 2 pairs of pliers( close together) and tweek. I've made literally dozens of ring and never had a "duff" one. Just try it people. Graham

Hi Paul, I tried standard points and coil ( and I believe many of these engines have worked fine) but I had lots of problems stopping arcing inside the dizzy cap so tried all sorts of fixes even 2 x twin Honda coils using "lost spark" finally getting it running with 2 x magnets on the crank to a...

Hi Paul, I'm in Kent, personally I would think very carefully about putting the hall device in the distributor, they hate emf. And I speak from experience. That's why I timed the spark from the crank. Others might disagree. Anyway fine progress can't wait to see it running. Graham

Hi Paul, Nice work. How did you profile the outer block shape? You are obviously trying to replicate ETW build. I was thinking of doing away with the gear drive to the cam and using belt and pulleys. I also had real problems with the original distributor so triggered the ignition from 2 magnets...