Hi Charlie,
Lots of progress, alas none on the Aeroboat except for sourcing some elastic. Things were going well until a phone call from our son! Our son designs and makes exhibits for science centres like the 'Exploratorium' in San Francisco where he worked for a time many years ago. He is now free-lance and is coming to the end of a two year set up of a science centre in Oxford. Due to some extended R&D they were a bit behind; so parents front and centre! With help from my wife's administrative skills and my modest machining efforts the project is nearly there and it opens in about a week. Our sons workshop is 60 miles away in the country though a pretty drive it got a bit boring! We are now recuperating but into the exhibition season has started, we have recently returned from exhibiting or model railway in the Midlands and this weekend it is just our local model engineering club: cratering and garden railway alas the weather doesn't look good.
Still it gives us a reason to get up! I will report further developments of the Aeroboat, hope fully fairly soon.
Take care.
Tony.