ya love the HC too
i'm cleaning it and the casing is all steel, just needs to be sanded
the fins are copper
some ketchup cleaned it very nicely
CLR sucks! i wasted $8 bucks on it :/ ohwell
i'll try to get some pics once i finsh cleaning the HC
now i need some info on what kind of prop to make for the flowmetre
i was thinking something like this(without the dots)
....|
---o---
....| <------ water this way
later