This year I had so much prop-work , I bought stuff myself , payd camping ,
visit with about 50 others the 'Chinese' restaurant , payd my diesel ,
and still came home with more money as I started with :-)
You can see me doing propwork in front of my campervan in one of the pictures. [link=http://www.nwm-modelboat.de/Dateien/Heilbronn2012/HB009.jpg]L I N K [/link]
YES I did have a 'mask' .. but not needing it on SS-props.
And of course I did some exhaust rebuilding too , owner went home with a big smile .
He came with a hull doing 74Km/h , and went home with that boat doing 102Km/h.