Forums > Windsurfing General

KA sails and Neilpryde Mast

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Created by yew101 > 9 months ago, 3 Apr 2013
yew101
WA, 13 posts
3 Apr 2013 9:08AM
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Would a 5m KA koncept 2009 work with a 370 neilpryde rdm? or is the luff sleave and mast bend totally differnet. The mast is IMCS 16. Thanks

powersloshin
NSW, 1835 posts
3 Apr 2013 1:05PM
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As far as I know NP masts have a more flexible top, Koncepts are made for Constant Curve, so you would get a pretty floppy leach, but not sure if it is the same for rdms...

Gestalt
QLD, 14627 posts
3 Apr 2013 12:44PM
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ka are constant curve leaning towards flextop from that era, so you might be in luck.

not all constant curve masts are the same. they are spread across a range from slightly stiff top to slightly flex top.

not sure if the length and imcs is good as i can't find the 2009 specs online.


Mark _australia
WA, 23433 posts
3 Apr 2013 2:00PM
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agreed it may jusst work as far as bend curve goes.... but a 370RDM is pretty damn floppy ona wavesail let alone a race sail. What's the luff length?

yew101
WA, 13 posts
3 Apr 2013 4:10PM
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thanks for the replies i have found a second hand Ka mast to suit the sail, now i know that i have a backup mast for the sail

Gestalt
QLD, 14627 posts
3 Apr 2013 6:15PM
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nice, that would be the best possible outcome.

gavnwend
WA, 1372 posts
3 Apr 2013 5:23PM
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You found a match from heaven. Good luck hope it works for ya cheers.

Windxtasy
WA, 4017 posts
3 Apr 2013 6:52PM
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My 5.8 Koncept works well with a 430 Neil Pryde X3 mast. I know others with Koncepts who use Neil Pryde masts too.

I would expect the 5m would need a 400.

No doubt best to get a KA mast if you can.

jimbob SA
SA, 999 posts
4 Apr 2013 10:28AM
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Have have a few older Koncept 5.0s and would NOT use a pryde x3 on them, used one in the past on my 07 and just flapped the leech to peices and wrecked the sail,also the rotation is not good as the pryde mast is thicker and they stick all the time, tapped it up and have used a fibrespar tidal wave 400 since as my speed sail on the biggest days, RIP 07 2 weeks ago. use the tidal wave on my 08 5.0 and sets and goes absolutely sweet,have had some good numbers on this setup
not all year Koncepts are the same there is a huge difference betweeen my 07 and 08 especially in belly depth the 07 being way deep. your 09 is more like the 08 more slalom than speed.

use KA masts on my 5.8 and 6.6 011 models and are sweet as.



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"KA sails and Neilpryde Mast" started by yew101