More feedback...

"...You might be interested in this picture of the exhibition at Autoworld here in Brussels. I have scaled things up and the boat here is around 5.0m long but weighs less than I do. It isn't much more difficult to build these things than the models, though they do require more space. The boat you built is preserved for posterity on one of the montages behind, as I have bigger ones to play with now..." Colin Hilton, HydroBlade (self-build catamaran) project (by email).

"...I picked up the prototype on Saturday - very happy - will be sending a cheque as soon as. Also note are are two more prototype within the ~~~~~~ range that I would like you to work on next year - I will give you full details at a later date along with models to work from......" Tamara Palmer,(by email).

"...Thanks for your frank and honest appraisal. You are providing an excellent service to any would be inventors. Many Thanks...." Pat Furlong (by email).