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Infinity 84 wing
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stringp



Joined: 20 Aug 2000
Posts: 176

PostPosted: Mon Jul 15, 2019 1:44 pm    Post subject: Reply with quote

OK, so would switching from the 145 Dialer to a 125 Wizard help with the rear foot heavy Infinity 84. I ran the 84 in C and moved the mast track back 3” and still had trouble keeping it in the air on gibes. I did not move the foot straps back.
Don’t even have the rear foot straps mounted on the board. Seems like my back foot is on the center line and between the straps. Probably spend half the time unhooked riding down swells.
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dllee



Joined: 03 Jul 2009
Posts: 5328
Location: East Bay

PostPosted: Mon Jul 15, 2019 2:18 pm    Post subject: Reply with quote

Perhaps move back foot farther back when jibing?
Or move front straps back to lessen nose weight.
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grantmac017



Joined: 04 Aug 2016
Posts: 946

PostPosted: Mon Jul 15, 2019 3:33 pm    Post subject: Reply with quote

Single bolt mast base full to the rear?
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dllee



Joined: 03 Jul 2009
Posts: 5328
Location: East Bay

PostPosted: Mon Jul 15, 2019 3:41 pm    Post subject: Reply with quote

I've seen plenty of great jibers of all sizes using mast base in the forward of middle position.
While Balz is certainly good enough, he is an exception.
Body weight more than offsets mast base position.
Move back if the nose dives when you jibe.
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grantmac017



Joined: 04 Aug 2016
Posts: 946

PostPosted: Mon Jul 15, 2019 5:45 pm    Post subject: Reply with quote

Moving the base back reduces pitching movements caused by changes in MBP.
Not the way you'd tune a race foil, but totally appropriate for a surfy one being cruised around with minimal power.
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gorgekite



Joined: 26 Apr 2002
Posts: 52

PostPosted: Mon Jul 15, 2019 5:52 pm    Post subject: Reply with quote

tried the 84 this weekend I have been running the 76. I had my backfoot 2 or 3 inches further back both jibing and in a strait line. The 84 carried better thru large holes but overall like the 76 better. bother were with the switchfuse in the position with 4 fingers between the mast and wing.

Last edited by gorgekite on Thu Jul 18, 2019 9:59 am; edited 1 time in total
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dllee



Joined: 03 Jul 2009
Posts: 5328
Location: East Bay

PostPosted: Mon Jul 15, 2019 7:44 pm    Post subject: Reply with quote

An argument can be made for mast base forward.
To allow a more raked, thus more lifty, while going downwind.
You set up a slalom board with the track well forwards.
A freestyle setup with track well back.
On which is a jibe more important?
As a bad foiler, that's me....I favor mast track forward to slow reaction times. Track back accentuates mistakes made by beginners...and dropping off a foil qualifies as a beginner mistake.
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kevinkan



Joined: 07 Jun 2001
Posts: 1661
Location: San Francisco

PostPosted: Mon Jul 15, 2019 10:22 pm    Post subject: Reply with quote

if you're in the gorge, maybe you can find @kevj_541

he seems to be dialed in on the 84

https://www.instagram.com/p/Bz1NZs0n316/

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Sunset Sailboards, San Francisco CA
http://www.sunsetsailboards.com
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stringp



Joined: 20 Aug 2000
Posts: 176

PostPosted: Tue Jul 16, 2019 1:00 am    Post subject: Reply with quote

Looks like @kevj_541 is on a Wizard. Again, I wonder if the Dialer has too much nose weight for the 84.
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dllee



Joined: 03 Jul 2009
Posts: 5328
Location: East Bay

PostPosted: Tue Jul 16, 2019 11:17 am    Post subject: Reply with quote

1.5 lbs. of nose weight can be offset by moving the 150lbs. + body or by changing the angle of the sail to provide more lift at the downwinding moment.
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