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There is a two stroke design from the early 20th century, written up in Gas Engine Magazine 1972 and described by ETW in ME after being shown a model built in the US by a Mr Arthur P. Stone of Elfers, Fla. Engineer's Emporium sell castings for this engine and they call it Pioneer. Both the...

Barry If you don't get any definite replies, you could always ask on the Yahoo group for Myford lathes. You may have to subscribe to ask questions. [email protected] Dave The Emerald Isle

Well, lots of interesting replies! I've reset the points and get 15 thou gap when they are open. Looking at the points there are signs that the contact area was not over the full width of the contacts. I've run a points file through the closed points to ensure there is no peak from burning and...

I looked for another hollow rolling pin as suggested by MyfordBoy, but couldn't find any on eBay or Banggood. I never thought about Ikea. The new displacer is pumice not ceramic, but not like the pumice that the missus uses on her feet! Dave The Emerald Isle

I think Gordon may be onto the right track. I looked at the points alignment and they were a bit out. Haven't had the opportunity to reset them, but that will be the first line of attack. I will also double check the coil polarity with the points - and the remaining parts of the circuit. You...

Ignition on an old-time model 4 stroke engine with simple points. I get a spark at the plug when the points close but also get a spark at the points at the same time. I understood that sparking at the points was due to a bad condenser, but I've tried 3 different New condensers with no change...

Video of my Essex engine from Myfordboy's castings. Dave The Emerald Isle

New displacer I've finally managed to make a new displacer. The original displacer was rubbing on the cylinder wall because the end cap securing the barrel was not perpendicular to the displacer rod. I tried to straighten it out and file away the high side, but I just made a hole and in...

Think of how they would have done it in 1886. Nothing very sophisticated in those days, I'm sure. MRA's suggestion seems quite doable in the simple home workshop. Dave The Emerald Isle

Don't know about the beer, but sidiqi was quite good at dulling the senses! Oh, and the by-product of the desalination plants was electricity. Dave The Emerald Isle

This reminds me that many years ago when I worked for a German oil rig supply boat company, they had serious plans to tow icebergs from the Antarctic to the Persian Gulf. The appearance of industrial water desalination plants put paid to those plans! Dave The Emerald Isle

Stainless steel maybe a better option than aluminium for your displacer. It is quite easy to machine a block of the said stainless down to less than 10 thou wall thickness. See the description of my Robinson engine...

Tip for silver soldering: To prevent the solder going where you don't want it to go, use an ordinary lead pencil and rub it on the 'clean' areas before fluxing. The solder will not stick to the pencil rubbed areas. The old solvent based Tippex did the same job, don't know about the water based...

Looks like a set of Stuart castings. They are no longer in production, but the latest owners of the Stuart line have a lot of old designs that they are hoping to resurrect in due course. Maybe if you contact them, they Might have a set they could sell. https://www.stuartmodels.com/ Failing...

The wall thickness is 1/4", so fairly sturdy. If you have a vertical mill, mount the tube along the table and cut all the first direction slots from the top using a long series end mill. Once the first set of slots have been machined, turn the tube 90 degrees and proceed as previously. lg...

For night driving, yellow glasses are probably more effective than sunglasses to reduce glare from on-coming vehicles. Dave The Emerald Isle

Farmer Brown used to produce the half scale castings, but he has long been out of business. Dave The Emerald Isle

Looking at pics of your lathe on the internet, it appears this machine does not have T slots on the cross slide. If you don't mind modifying the cross slide, you could drill/tap some holes outboard of the dovetail slides to which could be mounted a tooling plate. This could be used to bolt...

Here you are, everybody: https://www.ts-modelldampfmaschinen.de/gussteilesaetze-verbrennungsmotoren/verbrennungsmotor-kleiner-hans-613.html Dave The Emerald Isle