Contact   Imprint   Advertising   Guidelines

Orbit problem

Forum for kitesurfers
User avatar
POACHER
Very Frequent Poster
Posts: 1550
Joined: Tue Jul 08, 2008 5:48 pm
Gear: ¤°
Location: Great Lakes
Has thanked: 118 times
Been thanked: 124 times

Re: Orbit problem

Postby POACHER » Mon May 16, 2022 9:41 pm

gator1 wrote:
Sun May 15, 2022 12:20 pm
North kites are so over rated, I'm sick of hearing about them.
Is that you Liam??? :rollgrin:

Surf58
Rare Poster
Posts: 1
Joined: Fri Sep 24, 2021 12:46 pm
Kiting since: 2008
Weight: 80
Local Beach: Klitmøller & Ahl, Denmark
Favorite Beaches: Dolphin beach, Cape Town
Hanstholm, Denmark
Taiba, Brazil
Style: Wave
Gear: Cabrinha Drifters
RB63
F-One Mitu Pro
X-board Timo V2
North Whip
Matt Archbold
Brand Affiliation: None
Has thanked: 0
Been thanked: 0

Re: Orbit problem

Postby Surf58 » Tue May 17, 2022 12:24 am

Yes they flutter in loops, both the 2021 and 2022 models, and yes its worst when they are brand new

skyte
Very Frequent Poster
Posts: 600
Joined: Sat Jun 05, 2004 11:15 pm
Brand Affiliation: FLEXIFOIL
Location: Nomadic Flexi Rider
Has thanked: 2 times
Been thanked: 1 time

Re: Orbit problem

Postby skyte » Sun May 22, 2022 12:33 pm

Kite flutter is always worse when underpowered.

Brands sometimes add those trailing edge battens to reduce flutter. They can also do many rounds of prototyping, tweaking the seams and the AoA across the canopy to get the trailing edge tension perfect: too tight and it creates drag, not tight enough and you get flutter. Bridling effects flutter too because it effects how the kite twists when you turn it which has an effect on the trailing edge tension.

The Orbit I flew did have a noticeable flutter during loops but it didn't seem to effect the power of the loop or the speed through the loop. I imagine the flutter will get less and less with each year of design iteration as they refine the design.

SolarSet
Very Frequent Poster
Posts: 555
Joined: Sat May 05, 2018 9:30 am
Kiting since: 2017
Local Beach: Hel Peninsula
Gear: This & that
Brand Affiliation: None
Has thanked: 53 times
Been thanked: 106 times

Re: Orbit problem

Postby SolarSet » Sun May 22, 2022 7:52 pm

Funny enough I was testing Reach ‘21 and during jumps felt kite vibrating through rear lines. This kite was used as it was tested at the end of season. I was told by someone that kite wasn’t inflated enough but I do always use gauge to test pressure. Never experienced anything like this on any other kite :?:

Blackened
Very Frequent Poster
Posts: 640
Joined: Fri May 04, 2018 4:47 am
Kiting since: 2012
Style: Big Air, Airstyle
Gear: 2020 Rebels
21/22 Orbits
Has thanked: 45 times
Been thanked: 213 times

Re: Orbit problem

Postby Blackened » Mon May 23, 2022 2:42 am

Spent some time playing with the kite over the weekend during loops. The only time I could get it to flutter on purpose was looping with the bar out or letting the bar out right after initiation of the loop. It fluttered a few other times mid loop, but I think that was me being overly aggressive rather than a design issue. Otherwise it was very quiet in the 30kn+ conditions :)

sarc
Very Frequent Poster
Posts: 1496
Joined: Sun Jun 11, 2006 4:01 am
Has thanked: 21 times
Been thanked: 90 times

Re: Orbit problem

Postby sarc » Mon May 23, 2022 4:40 am

SolarSet wrote:
Sun May 22, 2022 7:52 pm
Funny enough I was testing Reach ‘21 and during jumps felt kite vibrating through rear lines. This kite was used as it was tested at the end of season. I was told by someone that kite wasn’t inflated enough but I do always use gauge to test pressure. Never experienced anything like this on any other kite :?:
Read my review of the reach in this forum. I found it to be sensitive to inflation pressure. Carve too, but to a lesser extent.

User avatar
Pokitren
Rare Poster
Posts: 7
Joined: Wed May 11, 2022 12:40 pm
Local Beach: Bennetts Beach, Hawks Nest
Favorite Beaches: Palm Beach, Sydney
Pebbly Beach, South Coast
Tamarama Beach, Sydney
Bongil Beach, Bellingen
Shelly Beach, Booti Booti National Park
Bennetts Beach, Hawks Nest
Lighthouse Beach, Port Macquarie
Treachery Beach, Seal Rocks...
Style: Beginner
Gear: Cross Kites Boarder 1.5m Trainer Kite
Brand Affiliation: None
Has thanked: 2 times
Been thanked: 0

Re: Orbit problem

Postby Pokitren » Mon May 23, 2022 8:07 am

skyte wrote:
Sun May 22, 2022 12:33 pm
Kite flutter is always worse when underpowered.

Brands sometimes add those trailing edge battens to reduce flutter. They can also do many rounds of prototyping, tweaking the seams and the AoA across the canopy to get the trailing edge tension perfect: too tight and it creates drag, not tight enough and you get flutter. Bridling effects flutter too because it effects how the kite twists when you turn it which has an effect on the trailing edge tension.

The Orbit I flew did have a noticeable flutter during loops but it didn't seem to effect the power of the loop or the speed through the loop. I imagine the flutter will get less and less with each year of design iteration as they refine the design.
A legitimate question arises - why wait years if the problem is known now? It seems that it can be eliminated by changing the design.

skyte
Very Frequent Poster
Posts: 600
Joined: Sat Jun 05, 2004 11:15 pm
Brand Affiliation: FLEXIFOIL
Location: Nomadic Flexi Rider
Has thanked: 2 times
Been thanked: 1 time

Re: Orbit problem

Postby skyte » Tue Jun 14, 2022 9:31 am

Pokitren wrote:
Mon May 23, 2022 8:07 am
A legitimate question arises - why wait years if the problem is known now? It seems that it can be eliminated by changing the design.
It's more a fine tuning issue... so the software can get the kite so close to perfect but to just eliminate that last little bit of trailing edge flutter might take a few extra prototype rounds. It can literally be a millimeter off a seam allowance... too much and you can create too much drag, not enough and there's trailing edge flutter. Or tweaking the Angle of Attack of the profile across the kite. Tiny changes can have a big effect. Bridle plays a part too. It's not as simple as just changing a design; it's balancing many parameters to give a number of desired characteristics and the design leadtime isn't long enough to make loads of prototypes.

TE battens help. That's why they're there!

sarc
Very Frequent Poster
Posts: 1496
Joined: Sun Jun 11, 2006 4:01 am
Has thanked: 21 times
Been thanked: 90 times

Re: Orbit problem

Postby sarc » Tue Jun 14, 2022 3:12 pm

Had an intermediate kiter doing megaloops on 7m Orbit 2022, 25-30kn wind, very near to me today
No buzzing or flutter that I could hear, and the mofo was sending like it was going out of fashion.

Kite seemed mighty fine to me

knotwindy
Very Frequent Poster
Posts: 2119
Joined: Mon Sep 26, 2011 4:49 am
Local Beach: baja, gorge
Style: erratic to none
Gear: yes, I use gear
Brand Affiliation: None
Has thanked: 213 times
Been thanked: 235 times

Re: Orbit problem

Postby knotwindy » Tue Jun 14, 2022 4:24 pm

If he’s throwing mega loops he’s not an intermediate, just sayin’.


Return to “Kitesurfing”

Who is online

Users browsing this forum: Google [Bot], kiter222, thewindego and 6 guests