Hi Jetpack... I stumbled across this today and it looks to be about the size of these boats (just over 15").... thought I'd bring it to your attention.
http://www.pgimodels.com/product_info.php?products_id=7&osCsid=6ce058424c74 f9401b0bd5f8f4ff4e67
Keep up the good work.... I've enjoyed this thread!