I think the coxs'n might have been pulling your leg Mike…they were just a fill in betweeen the Rother class and the |Mersey for a faster carriage launched boat and were built on a standard 33 foot Lauchin hull……
EVERY expense was spared and they certainly didn't go to the expense of developing jet drive for them….stand easy and don't worry…they were purely and simply twin screw jobs.
see here…. **LINK**
as to thwe shannon class…….well, that's another story altogether, with many highs and lows to the development through the past few years, and big bucks spent before arriving at the Shannon.
Edited By neil howard-pritchard on 10/08/2012 20:25:38