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Bill Reichart describes his design as a Gyro Engine. https://www.billreichart.com/gyro-engine The plans were modified by Ernie Weinberg and he calls his simply Ernie's Easi-Spin. Dave The Emerald Isle

These came as weekly kit of parts some 10 years ago. Just written instructions for assembly, no plans as such. Dave The Emerald Isle

There is a guy in Germany: G. Wilfling that has made quite a small hot tube engine. Currently for sale on the Model Engineer site for £1600 Dave The Emerald Isle

Generally speaking, engines run better with the ignition timing Before TDC. Have you tried advancing the timing? Dave The Emerald Isle

Use the Search function here. (Search, bottom right 'More', then enter keywords Rotary Broaching). There are 79 entries some of which should help you. You could also look at Mike's Workshop: http://mikesworkshop.weebly.com/rotary-broaching.html Don't know about your steamboat plans, though...

If you have access to old ME magazines, issue 2498 from 1949 has a couple of interesting articles about Uniflow engines. PM me for more info if you want. Dave The Emerald Isle

John Bogs described his spray mist coolant system here: https://www.homemodelenginemachinist.com/threads/swarf-control.6714/#post-82564 Unfortunately, all the pictures have been removed, but I do have them if anyone wants/needs them. Dave The Emerald Isle

Popular Science, Jan 1944. Page 148. Dave The Emerald Isle

As stated above Posilock collets are for screwed shank cutters only. Don't try and hold a plain shank tool in them. Screwed shank cutters may be obtained on eBay but if you do find any, they will more than likely be used and also expensive. Save yourself any grief, ditch the Posilock and go...

Welcome to the forum, Nikhil. Being a marine engineer, you will have a good grounding in things mechanical and getting your first engine - a Stirling - to run is a great achievement. If you have any questions regarding future projects, just ask. There are plenty of experienced and helpful folk...

Or an updated set of drawings from Julius De Waal: https://modelengineeringwebsite.com/Little_Huskey.html Note spelling: it's HuskEy, not Husky ! Dave The Emerald Isle

Jim do you still visit this forum? If so, I've sent you a message. Anyone know how to contact Jim? Dave The Emerald Isle

OK, Don. Here are a couple of (poor quality) pics of the sort of thing you are looking for. Same idea as earlier, but only one pet ****. The above pic is taken from the Stuart Models catalogue. Should give you a better idea. Included angle for the two parts is commonly 7 degs. Dave...

For the age of the original engine you are building, I believe tallow was the lubricant used. The tallow would be put in the top bowl on top of the lubricator. Top pet **** would be opened and the tallow would go into the intermediate bowl. Top pet **** closed and lower pet **** opened to...

The Kerzel engine is certainly a very popular design. So much so you can buy copies off eBay, made in China of course! An example eBay item number: 133013061722 Dave The Emerald Isle

If you don't get any other replies, go on to the Smokstak forum and search for Wayne Thackery. He has a full size R80 and a model of same. He should be able to help you. Dave The Emerald Isle

Or possibly these: Dave The Emerald Isle

As you are in the UK, I was going to suggest using Trefolex as a cutting lubricant after you had drilled the hole one size larger than the charts suggest. I've just looked at the price of Trefolex and I will suggest you find an alternative - but I can't suggest one! Dave The Emerald Isle

During WW2, Stuart Turner made a portable generator set based around their Sirius engine and presumably one of their own design boilers. The whole was packed into a wooden box and easily portable. Existing examples come up from time to time at auction sales, including eBay. These generating...

I've heard that it is a good idea to 'line' the pipe with olive oil or similar to ensure that there is no residual CerroBend left afterwards. Or was that when using other types of filler?! Dave The Emerald Isle