I found these pic's by R. Sherin in an old 1963 Outdoor Life magazine. I wonder if there's a way to harness this technology for MBs.?
:rolleyes5: 
www.thewaysidechapel.org/iceboat2100.jpg
www.thewaysidechapel.org/iceboat475.jpg
www.thewaysidechapel.org/iceboat1100.jpg


www.thewaysidechapel.org/iceboat2100.jpg
www.thewaysidechapel.org/iceboat475.jpg
www.thewaysidechapel.org/iceboat1100.jpg
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