Wind Horse has basically been sitting since mid-September, with a couple of brief forays away from the dock. This has been in a canal, with lots of growth potential. The grass is on a spot which has been rubbed bare of anti-fouling. Most of the rest of what you see here would polish off if we went to sea for a few hundred miles. Being close to the waterline this area gets a lot of sun, which makes for more growth.
Here is the cutwater after hydro-washing. You can see the bottom paint is gone, but the undercoat is still OK. This is a pleasant surprise as the bow has taken its share of abuse. Pushing through brash ice, and rolling over a number of logs are not usually conducive to maintaining the paint film!
. At the other end of the hull, the bottom and prop skeg are out of the sun and almost clean, amazing when you consider the environment in which Wind Horse has been sitting.
The props, on the other hand, were very dirty. A combination of scale, grass, and tube worms covered them. The last time we were underway our exhaust gas temperature was way up at cruising speed, an indication the engines were working much harder. Fouling like this can cut 20% off propeller efficiency. Note the propeller zinc. It was last changed four months ago. There are a couple of months more life left in it (but we’ll change it now).
. This is the bottom of the leading edge of the port stabilizer. The starboard fin shows similar damage. These are from hitting logs. We were surprised to not find more paint damage. The rest of the bottom including keel and prop skegs all had their undercoat in good shape. Given the number of logs we’ve seen pop up behind the hull this is amazing. We are also pleased to report that the propellers show no sign of encountering debris, so the combination of hull shape, keel, stabilizers and most important, prop skegs are doing their job at shunting debris away from the props.
Wind Horse now has two new coats of anti-fouling and is ready for two+ years of cruising.
Posted by Steve Dashew (March 20, 2008)