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Hey guys, if you haven't already found out, I'm selling some of my boating equipment on ebay. There's a brand new K&B 7.5 NEW STYLE inboard with headers and extras, a used K&B 7.5 semi-pro powerhead, a couple of props, and a few pipes. Auctions are up for a couple more days, and I'll combine...

Ran through some web searches yesterday, and came across this site. They have a book and software available (about the cost of a good mod 3.5 engine..lol) that will help you design and optimize tunnel hulls. These are geared towards full size boats, obviously, but it just seems to me physics...

Have this incredible bit of inspiration (3.5 tunnel) that I'm just itching to get onto the drafting board... Thinking things out and making some rough sketches, the design lay out would largely depend on the sponson attack angle. It appears to me most tunnels run between 2.5 - 3 degrees at...

I've been inactive for a few years now, but in the past few weeks I've been looking through stuff, going through some old listbot threads and tech articles, and the lightbulb of inspiration lit again...lol... I probably won't be racing anytime soon, but I'm going to find the time to play a...