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Thruster set up for early planing and lift

 
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capetonian



Joined: 11 Aug 2006
Posts: 1030
Location: Florida

PostPosted: Fri Apr 13, 2018 8:26 am    Post subject: Thruster set up for early planing and lift Reply with quote

I have a thruster wave board that came with a tiny center fin (18 cm) with lots of rake and Iíve decided the tiny fin is impacting the light wind performance. What fin shape would provide good early planing and still provide good lift for weak cross onshore wave riding conditions? I tried a K4 rocket 20.5 cm fin and that gave the feeling I was looking for, but I managed to destroy it on some rocks. So who makes something as effective but in G-10?
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dllee



Joined: 03 Jul 2009
Posts: 3807
Location: East Bay

PostPosted: Fri Apr 13, 2018 11:32 am    Post subject: Reply with quote

I use a Ames 9.5 wave G 10 on my RRD with 11 cm sidebites.
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dllee



Joined: 03 Jul 2009
Posts: 3807
Location: East Bay

PostPosted: Fri Apr 13, 2018 12:25 pm    Post subject: Reply with quote

Actually, I have a 8.75 Ames Enduro G 10 on right now. Also have my 8"er in the fin bag.
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ss59



Joined: 10 Nov 2016
Posts: 37

PostPosted: Sun Apr 15, 2018 12:27 pm    Post subject: Reply with quote

Can you give a bit more information? - which size and board, sail size, wind speed, your weight
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dllee



Joined: 03 Jul 2009
Posts: 3807
Location: East Bay

PostPosted: Sun Apr 15, 2018 1:54 pm    Post subject: Reply with quote

RRD 92, 6 meter sails, 168 lbs.10-20 mph winds.
Stock 17 is a joke, like a 14 on a pure freestyle board.
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dmilovich



Joined: 19 Jul 2009
Posts: 68

PostPosted: Sun Apr 15, 2018 6:16 pm    Post subject: Reply with quote

Tectonics Maui makes a killer thruster set up - the Wave Wizard. Three fins, various boxes available. Nicest set I've used to date. Precision CNC foiled, great upwind for side onshore. Contact Dennis Parton for a personal recommendation.
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jam-1



Joined: 23 Mar 1999
Posts: 81
Location: Redwood City

PostPosted: Sun Apr 15, 2018 11:25 pm    Post subject: Reply with quote

Center fin in a US box or other type of box?
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dvCali



Joined: 23 Aug 2007
Posts: 815

PostPosted: Mon Apr 16, 2018 10:21 am    Post subject: Re: Thruster set up for early planing and lift Reply with quote

capetonian wrote:
I have a thruster wave board that came with a tiny center fin (18 cm) with lots of rake and Iíve decided the tiny fin is impacting the light wind performance. What fin shape would provide good early planing and still provide good lift for weak cross onshore wave riding conditions? I tried a K4 rocket 20.5 cm fin and that gave the feeling I was looking for, but I managed to destroy it on some rocks. So who makes something as effective but in G-10?


On my RRD FSW 84 I use a 25 MFC (5.0), plan to try 25 + 10 sides with a 6.0, and go down to 20 + 10 sides in 4.3 and below.

Should not be hard to find a 20-22 in G-10 ...
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capetonian



Joined: 11 Aug 2006
Posts: 1030
Location: Florida

PostPosted: Mon Apr 16, 2018 12:26 pm    Post subject: Reply with quote

It's a US box center fin.
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dllee



Joined: 03 Jul 2009
Posts: 3807
Location: East Bay

PostPosted: Mon Apr 16, 2018 1:12 pm    Post subject: Reply with quote

Longbox, you can go up to 30cm.
Shortbox, stay below 26cm.
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