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Bert Rice's Viper sailed by Michael Rice and Luke Yates

Latest Spinnaker Design by Schurr Sails.

I like the look of that mainsail, is the spinnaker flatter than the Goodall?

The Spin has the same camber up high but a good bit more down low for more drive and control. We've been out 4 times this past week and it pulls like a freight train. Michael observed a bunch more leeward helm downwind which indicates may indicate more relative power up forward...
I'm finalizing a new main design which mirrors the A-cats a little more than this first draft.

Looks great, it looks as though it might be pushing the mid-girth rule though? I doubt anyone would build one that wouldn't fit into the rule set though.. soooooo
SIGN ME UP. plot one and send it to me to put together

Pat, I reduced the zones from 3 to 2 and already double-checked the mid-girth and overall size. I can print once I know what color you want
Bert Jr

http://www.youtube.com/watch?v=s9bDF39j3h0&feature=plcp Spin design in action

What speed advantages does this cut offer over the current kites on the market?

interesting the driver's trapped out and the sheet hand isn't

Well Duhhh...it's BLACK! You KNOW that's got to be faster!

I'm still waiting for Mythbusters to test that "once you go black.." thing.

The crew was very green and the wind and waves were a little rough so I took the liberty of sticking myself out there.

Forget about waiting for Mythbusters, just ask JC!

;^)

People on this site have talked a lot about how the mainsail should be cut different depending on whether you are sailing 1-up or 2. I'm wondering... Should the Spin also be cut differently?

For one up the mainsail should be a flatter cut, as for the spin, not necessarily, however if your sailing in more windier conditions, then having a flatter spin may be something to consider.

Dave,
We haven't gone up against Taylor but the spin seems really fast. The leading edge has a finer entry. You have to trim it a little past "taking the curl out". The exhaust is pretty clean 1/2 way up the trailing edge. There's alot of camber down low for power while keeping control...
- Bert Jr

Thank you Bert, that's the kind of feedback I was looking for. Do have some two boat testing planned?

Nothing organized has been planned. We've been sailing a good bit. Minor changes are being incorporated for Kirk's Nacra Carbon 20- it's wider beam and more powerful platform. will post vids once made...I can iterate a design with you if you want- I enjoy the process.

How wide? 12'?

10 1/2 ft.

Please.