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Motorhead68

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Jet boat cav plate question
« on: December 30, 2014, 08:19:10 pm »
I posted this in the No Wake Zone, but I can see now that was a mistake. This is a better forum for my question.

So here's a question I have: Why do some jet boat hulls use what appear (to me) to be cavitation plates? The Southwind tunnel dragster hulls come to mind immediately. Does it have to do with the shape of the hull on that model? Is it a drag race or circle track thing?

A guy down the street from my folks' house in Vegas has a bare hull in his yard, and it has plates like that, but it doesn't have the extended section off the back of the transom for the jet like the Southwinds do, so I'm pretty sure that it isn't a Southwind. What are some other brands besides Southwind have used that setup?

Just trying to learn some stuff.

Thanks
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angermgmt

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Re: Jet boat cav plate question
« Reply #1 on: December 30, 2014, 08:30:59 pm »
LOL most everyone monitors the recent posts section so they will see it anyway.  To help your query you might want to get a pic of the hull. I've seen many a cab plate put on by the owner that didn't belong there. Bottom line a pic is necessary to answer your question.


Sent from my iPhone using SoCal Jet Boats
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Motorhead68

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Re: Jet boat cav plate question
« Reply #2 on: December 30, 2014, 08:43:13 pm »
Fair enough. I didn't think to snap a photo of it, but I will the next time I'm in town. It's a practical certainty that it will still be there.
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Motorhead68

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Re: Jet boat cav plate question New
« Reply #3 on: December 30, 2014, 08:55:07 pm »
Apparently, I am four years late to the party. Here is a thread I found on the topic.
http://www.socaljetboats.com/hulls/cavitation-plate-question/
« Last Edit: December 30, 2014, 08:57:43 pm by Motorhead68 »
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