Quads v thruster set up

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ockanui
ockanui
VIC
1321 posts
VIC, 1321 posts
10 Jul 2011 11:43pm
Please forgive my blissfull ignorance but having had the thruster
set up on surfboards for a long time and recently with the Sup boards I have just purchased a secondhand LSD fish that has a quad setup it doesn't have the middle fin box to work out the difference but what is the difference ?and what should be expected from it I know its pretty fast of the turns but so is the thruster, is it a gimmick ?
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
10 Jul 2011 11:48pm
hi,yes- cheap thrills= quads

how many really good surfers use quads all the time- not a lot

Sparx
Sparx
VIC
734 posts
VIC, 734 posts
11 Jul 2011 1:21am
laceys lane said...

hi,yes- cheap thrills= quads

how many really good surfers use quads all the time- not a lot



MMMM!
Dunno about that
Boils down to the way you like to surf
Quads give you more of a skatey feel, have had the quad set up on all of my boards, stand up customs for the last three years and short boards for probaly eight. Did thrusters for a while on my shorties but allways preferred twinnies, bonzers or quads. Just preference, no right or wrong, surf what feels good for you and ignore the hype.
Cheers
Sparx

CMC
CMC
QLD
3954 posts
CMC CMC
QLD, 3954 posts
11 Jul 2011 7:43am
laceys lane said...

hi,yes- cheap thrills= quads

how many really good surfers use quads all the time- not a lot




Kelly Slater uses them most of the time.

They make sense on a SUP, all of that rail and tail to hold the two rail fins definitely help.

Most tow boards are now quads as are many big wave guns, I think the same principles apply with SUP, not because of speed but due to the pressures of such a wide tail and thick rail.

IMHO many people use too small fins on SUP resulting in flat pivot turn surfing rather than using their rails and fins to turn. Quads help this by having 2 fins closer together where you need them, if you are using small fins and a thruster set up you have one single and small fin attempting to hold all of that tail width and rail thickness into the water, it doesn't work so people are left nursing bottom turns and pivoting from the top rather than driving.
warwickl
warwickl
NSW
2360 posts
NSW, 2360 posts
11 Jul 2011 8:20am
What is the most stable for standing while waiting for a wave, Quads or Thruster?
gregc
gregc
VIC
1299 posts
VIC, 1299 posts
11 Jul 2011 8:25am
Shouldn't the amount of rail in the turn be more a factor in carving turns rather then the fin types? Pivot turns are an important long board skill to learn anyway so I think they should be learned. As to the difference between a quad and thrusters I believe it's a personal preference thing more then anything else. It could also be part of a conspiracy to sell us an extra fin each?
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
11 Jul 2011 8:33am
warwickl said...

What is the most stable for standing while waiting for a wave, Quads or Thruster?


thruster. quads don't seem to centre the board up. i see so many guys messing around with quads and quads fins aren't cheap. surf shops must be laughing. it takes a lot of trail and error to get it right. you also need a decent size to get them to drive a sup, then you need a decent wave. i tried guys quads, while they are loose they don't go anywhere hence the cheap thrills- wiggly turns.

i also see a lot of people doing shopping trolly turns, it kind of looks erratic. a few that have gone back to thruster type setups surf better imo, but it's like a disease or something any go back to quads again.

i believe you have to be very talented to get the most out of quads and stil be able toi hold a good technique.

i know heaps of ex quad riders shortboarders. most of them including myself wee trying to get them to go like a thruster- go figure

flame on
cheers
CMC
CMC
QLD
3954 posts
CMC CMC
QLD, 3954 posts
11 Jul 2011 8:34am
gregc said...

Shouldn't the amount of rail in the turn be more a factor in carving turns rather then the fin types? Pivot turns are an important long board skill to learn anyway so I think they should be learned. As to the difference between a quad and thrusters I believe it's a personal preference thing more then anything else. It could also be part of a conspiracy to sell us an extra fin each?


Of course it's about rail in the turn, that's my point. Think of it like this. When you are say doing a bottom turn, your body and back foot are applying pressure outwards or away from the wave. The thicker the rail and tail width the greater the amount of pressure outwards, that's why boards spin out on bottom turns.

The role of the fins is to provide a control surface that provides lift in the opposite direction to the forces being applied by the turn. This is what is called drive. If the fin is too small it starts to slip, you lose confidence in the turn and release pressure, that's called nursing the turn.

CMC
CMC
QLD
3954 posts
CMC CMC
QLD, 3954 posts
11 Jul 2011 8:43am
Quad fin placement is also a huge factor, if the shaper doesn't know what he's doing they will never feel right. As Lacey said above most people use too small fins and the board wiggled around instead of drive.

My last and new SUP are quads, I went back to thrusters on my shortboards. I feel that a quad on SUP gives you better hold on the steep part of the face and through turns. On the shorty I prefer the sharper turn from the Thruster.

I love the conspiracy theory on selling an extra fin too. Classic.
warwickl
warwickl
NSW
2360 posts
NSW, 2360 posts
11 Jul 2011 9:34am
What paddles the straightest line - quad or thruster?
russh
russh
SA
3027 posts
SA, 3027 posts
11 Jul 2011 9:46am
warwickl said...

What paddles the straightest line - quad or thruster?


Thruster for my money - I rode my Coreban fusion as a thruster for 9 months - then changed over to the stock plastic quads - couldnt keep it in a straight line at first and any current or really rapid stroke turns the board around, had to buy a smaller blade paddle to reduce the power and increase the stroke rate and stop the spin - does everything the thruster does but its a little too easy to lose the tail - in the surf we normally ride locally the extra squirt off the bottom and speed off the take off is well worth it.

It just takes a while to get used to riding a quad set up - I've been riding short board thrusters since 1981 (after seeing Simon Andersons at the BElls comp) and would prefer them on my shortboards (not that I ride it too often any more).

Different fins may make a big difference - but If the stockies work - why not just leave it alone and save yourself a few bucks.

Enjoy the quad
teatrea
teatrea
QLD
4177 posts
QLD, 4177 posts
11 Jul 2011 10:05pm
I like the quad set up on my PSH , takes some getting used too though.Anything is beter than he plastic crap the boards come with though. I just cant get over the price of fins
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