My board is tail sliding??

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Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
16 Oct 2009 12:05pm
You guys would know I made my first board recently and I ran it as a single fin first and didn't like it.
The fin wasn't big enough and I was tail sliding all over the place and had no drive off the bottom or top.

So I threw side fins in and it goes HEAPS better. A lot more grip and heaps of drive and speed.

Got a question though, in about 3 to 4ft steep powerful waves (open beachies of Vic) when I'm really
cranking speed and go for a powerful bottom turn it still sometimes slips a bit (slides). What can
I do to fix this? The same thing happened when I rode Cammo's Surf Shapes. Off the top is fine!

Would moving my cetre fin back help?
Bigger side fins?
Bigger cetre fin?
** I'm runnning a 6" centre and FG5 sides

What would be causing this? Would a thinner tail help? or less boxy rails?
I'm just about to start an 8'7" and want to eliminate the slides as much as possible.
DavidJohn
DavidJohn
VIC
17570 posts
VIC, 17570 posts
16 Oct 2009 12:11pm
Maybe it's you..

Maybe your rear foot is too far back on the board when you bottom turn rather that pushing more off the rail ahead of the fin.. Just a thought.

DJ
Tux
Tux
VIC
3829 posts
Tux Tux
VIC, 3829 posts
16 Oct 2009 12:34pm
How wide is the tail? Too wide a tail will defo cause some slippage...watch Cheyne Horan riding those wide tail Lazer Zaps back in the day...not enough drive of the bottom
allrounder
allrounder
VIC
157 posts
VIC, 157 posts
16 Oct 2009 12:38pm
Just go with the flow, pop that tail into a 360. There sick....
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
16 Oct 2009 1:27pm
Yeah my tail outline is very similar to the Naish 8'10". It is 8mm wider than the naish 60cm from tail.

DJ, you're right in a way, at the start I was definately not getting it properly on it's rail but since have changed my style slightly. I think the single fin made it harder. I'm getting it on it's rail now for sure since I went with side fins and smaller centre.

Matt, it does go good for sure but I'd rather tail slide after a big top turn rather than half way through my bottom turn. I've only done one 360 ever still but haven't tried one for a while. I rekon I'll struggle on this board though.
daletor
daletor
VIC
301 posts
VIC, 301 posts
16 Oct 2009 1:41pm
I'd move the centre fin as far back as possible as you suggested. If that doesn't work try a bigger fin.
Its a bit scary slipping out on a bottom turn. You need to be confident it will hold.
As DJ suggested work on technique as well......otherwise .... get started on your next board!

Do you think the square tail has anything to do with it?

Dale
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
16 Oct 2009 2:01pm
one thing to consider when pulling big bottom turns is to make sure you have given yourself enough room on the flat. if you turn hard on a bit of face, no board will hold that well. watch in search of tom curran vid, it's a great example of doing this. just one angle to consider
cheers

Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
16 Oct 2009 3:02pm
daletor said...

I'd move the centre fin as far back as possible as you suggested.

Do you think the square tail has anything to do with it?

Dale


Thanks Dale,
Yep thats the first thing I will try, moving fin back. The diamond tail looks good in
the flesh but I had to trim it a little to get the shape meaning it's slightly wider than
it needs to be. The next one will definately be slightly narrower in the tail regardless
if this is causing the problem, it will look better.

Shapers I have spoken to think the rails are a bit thick towards the tail so this is
something I will fix as well with the next one.
allrounder
allrounder
VIC
157 posts
VIC, 157 posts
16 Oct 2009 3:06pm
try some thing with a flatter inside foil on the side fins. FG5 have an inside foil, even try FG7. I run very similar set ups and love the drive. Also, if your rail is a little rolled with no edge in the last two feet, use some resin and build up and harder edge so it bites more....
hilly
hilly
WA
8133 posts
WA, 8133 posts
16 Oct 2009 12:40pm
allrounder said...

try some thing with a flatter inside foil on the side fins. FG5 have an inside foil, even try FG7. I run very similar set ups and love the drive. Also, if your rail is a little rolled with no edge in the last two feet, use some resin and build up and harder edge so it bites more....


Harder back 1/3 will help and fin back as well. But if the boards too thick it is only stop gap, new board sounds the go.
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
16 Oct 2009 8:21pm
Hey Brendon,
Forget about all that techno fin crap.......
It's like DJ Said, it's you....sorry

Make it work! then YOU will know what it needs, you will be the wiser.

Dont ask us, everyone has a different approach to turns.

These guys are doing ok with none!
Do you think they would complain if they had 3 fins or 1?!





Zimbo Reagan
Zimbo Reagan
WA
469 posts
WA, 469 posts
16 Oct 2009 5:33pm









For not having much sun you Victorian's certainly get a good tan much be spray on
lookielookie
lookielookie
QLD
347 posts
QLD, 347 posts
16 Oct 2009 8:11pm
i had a problem with sliding on a laguna bay board i had. was running 7" center with m5 sides. changed it all around to a set of fiberglass mf template(same outline as sunny garcias) never had the problem again...
beg borrow or steal an FCS adaptor and see how you go.
look forward to seeing the mark2
daletor
daletor
VIC
301 posts
VIC, 301 posts
16 Oct 2009 9:35pm
LSD said...


Do you think they would complain if they had 3 fins or 1?!








Pretty obvious they don't bend in any rocker!
Scotty Mac
Scotty Mac
SA
2060 posts
SA, 2060 posts
16 Oct 2009 9:09pm
Yer allrounder is on to it, some sunny sides will sort it out. Nect time shape in a couple of mm of vee.
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
16 Oct 2009 8:41pm

i was at shapers today and had a chat to the guy about standups. i was looking out for box fin ,about 6" and wide-ish base. anyway , he showed me a thruster set that were bigger than the sunnies. they are new- made for some team riders on bigger short boards as in over 7".they are going to be called s9's. i grabbed a set as i always on the look out for a bigger set of fins thruster style without going to twin fin size. they guy was keen for some feed back from a sup surfer
cheers

Scotty Mac
Scotty Mac
SA
2060 posts
SA, 2060 posts
16 Oct 2009 10:33pm
Lacey,
Are the s9 inside foil?
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
16 Oct 2009 11:25pm
LSD said...

Hey Brendon,
Forget about all that techno fin crap.......
It's like DJ Said, it's you....sorry

Make it work! then YOU will know what it needs, you will be the wiser.


Scotty, I've got a lot of V in the tail, it is super loose. Maybe too much but judging by LSD boards not too much.

LSD, you should know if I don't try stuff I will never know what works. So I will try stuff like fins before I alter
the board at all, like sharpening up the rails in the tail. Yep I think the board isn't quite right for me, mainly
the volume area from the middle back. I'm not saying it slides every turn. It is fast, turns off the top amazing,
nose rides well and bottom turns good when I'm in smaller waves. It's just when I really lean into a tight fast
bottom turn in 3ft plus that it sometimes happens.

I think it will be a process of elimination,
- move centre fin back
- then try bigger sides
- try full thruster set
- if problem persists, sharpen rails over the back 1/3.

I will be starting on the new board regardless, the blank is just sitting there asking to be shaped!
JB
JB
NSW
2232 posts
JB JB
NSW, 2232 posts
16 Oct 2009 11:52pm
A lot of the time when you get that sliding feeling it's more of a rail thing. Fin are very important, but it's your rails that hold your line when your really moving. Lower frofile and harder release at the tail will give you drive and hold, Fat and tucked is great for low speed mush. Everything is a weight off. Ultimately you want to match your fins to your rocker, rails and outline. Remember you can't take a farrari off road, and land rovers will never race lamborgini's.

JB
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
16 Oct 2009 10:56pm
Scotty Mac said...

Lacey,
Are the s9 inside foil?


yes, i'm going to surf them tomorrow, see how they go
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
16 Oct 2009 11:59pm
I'm not sure if I really understand your post Mac but I am really keen on this shaping stuff and just want to get it right for me and
mates that might want a board some day. Don't worry, if there are waves and I have a leave pass I will always be in the water surfing
as much as I can. I enjoy every minute I get in the water no matter what the wave quality.

There is an underlying reason here, I'm in the process of planning a trip to the Mentawais and I don't want my board skipping
out at Rifles, Hideaway or similar.

Good points there JB.
Brooko
Brooko
1672 posts
1672 posts
17 Oct 2009 3:50pm
DavidJohn said...

Maybe it's you..

Maybe your rear foot is too far back on the board when you bottom turn rather that pushing more off the rail ahead of the fin.. Just a thought.

DJ


Good answer dj, I reckon you could be right.
Both my boards do this if im jamming my backfoot way back, I actually dont mind the feeling and just go with it, first I thought it was the skatey affect of the 9 6 naish quad, fish set up. Once i have moved my backfoot up a bit and leaned onto the rail and paddle more it stopped.
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
17 Oct 2009 11:39pm
Could be true, not sure?

I guess it's possible as I had to get my foot real far back to turn the 9'6" Oxbow. But it never slid out with the same fin setup.

Maybe it's a technique thing for this particluar board, I'm trying a different fin setup tomorrow so we will find out soon enough.
I'll take more notice where my foot is if it happens again.
kyron
kyron
TAS
209 posts
TAS, 209 posts
17 Oct 2009 11:59pm
Im not sure which is flatter, the rocker or the second guys haircut!
LSD said...

Hey Brendon,
Forget about all that techno fin crap.......
It's like DJ Said, it's you....sorry

Make it work! then YOU will know what it needs, you will be the wiser.

Dont ask us, everyone has a different approach to turns.

These guys are doing ok with none!
Do you think they would complain if they had 3 fins or 1?!








tha dogman
tha dogman
NSW
2912 posts
NSW, 2912 posts
18 Oct 2009 12:11am
i find in 4ft plus powerful waves that trying to push hard off the bottom creates a bit of a slidey slippery problem

dont know what it is as it could be a number of things combined together

i'm a kook
fin setup
tail width
rail shape
tail shape
and did i say i'm a kook
or all the above

i find if you sort of hold back a little and ease the rail though the turn then unload all your big mac, coke and fries into your off the top turn

f@ckin works for mesorta kinda but not

i recon its all in the mid rail to tail outline of your board and weather you ate your wheaties with a bacon and egg chaser for brekkie
Brooko
Brooko
1672 posts
1672 posts
18 Oct 2009 5:08pm
I reckon ya spot on there dog and if you had your new "angus burger" and its a little bit "special" putting all that weight into your top turn is the go for sure.

As on your bottom turn you have all the weight and speed of taking the drop and setting up, and maybe pushing too hard
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
18 Oct 2009 11:10pm
Surfed it today in small not so powerful waves and didn't have a problem. I moved the fin back which may have helped but hard to tell in the conditions. West coast was tiny today! Thought there would be a little more swell.

I'm over it though, just going to ride it.

edit...and Dogman, you're probably right, it's probably a combination of all those things for me.
And it's all about the top turn at the end of the day!

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