Electronic Control by PIC chips Barry's PICs
Norcim - Model Radio Control Electronics information Norcim
Electronic Control NOT by PIC chips R/C Gadgets
David has some items for submariners Davids Subs
Have a look at Alan's site - Well laid out - Useful Info. Alans Boats
For Model Railways in 1930 scenery. My electronic control of signals & points etc. Pendon Museum
Always Hobbies have a wide range of Model Boats , to suit beginners and experienced model boaters alike.