Drafting on race boards?

> 10 years ago
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teatrea
teatrea
QLD
4177 posts
QLD, 4177 posts
15 Jun 2011 7:37pm
Since my first few training sessions with Kelly and the gang , ive been amazed at the reduction in effort when you draft and have found the square tail boards are much easier to draft behind than those with narrow tails.Does this mean for flat water that narrow pin tails are faster because they have less wake? Is drafting much harder in the ocean? i think the reduction in paddling effort is huge , its good fun too , that is untill its your turn to lead
Simondo
Simondo
VIC
8025 posts
VIC, 8025 posts
15 Jun 2011 9:41pm
It's an interesting concept. I wonder if having something to chase makes you go harder and faster, like a greyhound chasing a hare.

But I haven't had enough time drafting to comment.
rahams
rahams
NSW
544 posts
NSW, 544 posts
15 Jun 2011 10:03pm
i reckon its anywhere from 30 to 50% less when your drafting
teatrea
teatrea
QLD
4177 posts
QLD, 4177 posts
15 Jun 2011 10:24pm
rahams said...

i reckon its anywhere from 30 to 50% less when your drafting


yeah i think your right , its a massive reduction in effort. I was very suprised at the difference it makes.
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
15 Jun 2011 10:26pm
the idea is to put a neat little ding in the back of their board

the trick is not to damage your board doing it
cheers
SandS
SandS
VIC
5904 posts
VIC, 5904 posts
15 Jun 2011 10:43pm

same idea that birds have flying in a V formation ?
dtm
dtm
NSW
1610 posts
dtm dtm
NSW, 1610 posts
15 Jun 2011 11:05pm
the only way i could get through mountain biking races was to draft for as long as i could...made it heaps easier until they pulled away , they bloody always pulled away
Adapt
Adapt
QLD
723 posts
QLD, 723 posts
15 Jun 2011 11:11pm
Its a great thing when your tailing, but its definately crap if your leading. Only benefit from being infront is if you leave some fuel in the tank when the person tailing you tries to over take, you can try and burn them out by just staying infront and playing with them mentally. I guess it happens in all racing, especially cycling.
Goldybear
Goldybear
VIC
21 posts
VIC, 21 posts
16 Jun 2011 1:27am
It only makes sense to draft. Kayakers do it, particularly with distance events. From a hydrodynamic perspective, a square tail (while increasing stability) is going to impart greater vortices and therefore greater drag.
Gords
Gords
NSW
69 posts
NSW, 69 posts
16 Jun 2011 10:19am
Goldybear said...

From a hydrodynamic perspective, a square tail (while increasing stability) is going to impart greater vortices and therefore greater drag.


Agreed IF the tail is in the water ! From my limited understanding the tail should not be in the water, rather the water should be releasing just below the tail therefore not increasing the drag! The increased stability from a sq tail comes when you step back on the board or if you sink the rail.

If a square tail increases drag then why are all racing yachts not pin tailed ?
As I say, I am no expert.
log man
log man
VIC
8289 posts
VIC, 8289 posts
16 Jun 2011 10:28am
Drafting..... un-Australian!
aspaceman
aspaceman
VIC
48 posts
VIC, 48 posts
16 Jun 2011 10:33am
Hmmm played with this a bit thie morning, tailing my (20kg lighter) mate on his 12'6 fanatic, me on my 12' all-rounder - found I could keep pace with him in the disturbed water a board length behind him (until I got tired) but no hope out in my own water. Interesting. I know how drafting works in cycling from years of doing it - I suppose the principle is pretty much the same only the medium is different?
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