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Tethered launch using Ozone leash?

Created by default default  > 9 months ago, 12 Dec 2012
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default

WA

1255 posts

12 Dec 2012 11:50am
Will be kiting alone this arvo (as per usual) and going by the strength of yesterday's breeze I'm planning on launching via tether to a beach path pine log fence.

I usually just launch the other method where you pull the kite around and up it goes… but with the amount of weed and debris over my beach atm, Im thinking will be a bit sketchy in such high winds.

Last night was wondering what I had which I could use to connect CL to fence post, without having to open/release CL to detach from tether..

All I have that may work is a spare new Ozone leash. I thought I could wrap leash around the fence (thick pine log post) a couple of times then attach the o-ring end to the carabina end (to secure arrangement to post). Then just clip leash carabina onto CL for a tethered launch.

I would have thought the leash doubled up in this arrangement would be up to the task.. Do you guys think it would be ok?
TurtleHunter
TurtleHunter

WA

1675 posts

12 Dec 2012 12:14pm
The weak point though is the shackle at the end of your leash.
I would use something else
eppo
eppo

WA

9762 posts

12 Dec 2012 12:17pm
Can ya get to a local hardware store?
Chris6791
Chris6791

WA

3271 posts

12 Dec 2012 12:44pm
I use a stainless steel caribiner/snap-lock type thingy and some rope (a clip on each end), the biggest clip I could find at the hardware store, one with a smooth finish to the inside of opening gate (some have a hook type latch).

The clip on the leashes is too small, especially at the point where you are trying to swap over or undo it in a hurry and if it's a smooth finish there is less chance of catching it.
eppo
eppo

WA

9762 posts

12 Dec 2012 1:38pm
Ta Chris if he answered yes I was About to advise the very same.
default
default

WA

1255 posts

12 Dec 2012 1:57pm
na not going to get the chance to get to hardware tonight.. will give the leash a miss though.

will think of something else.. missus launch maybe ;) and build a tether when I can

how are you guys connecting the rope to the carabinas?
Chris6791
Chris6791

WA

3271 posts

12 Dec 2012 2:23pm
If you can't tie knots, tie lots.
default
default

WA

1255 posts

12 Dec 2012 2:31pm
Select to expand quote
Chris6791 said...
If you can't tie knots, tie lots.


was thinking a bowline knot each end.. what size rope will do the trick?
LostDog
LostDog

WA

445 posts

12 Dec 2012 2:35pm
Select to expand quote
default said...
Chris6791 said...
If you can't tie knots, tie lots.


was thinking a bowline knot each end.. what size rope will do the trick?


anything greater than the sum of your kite lines' combined breaking capacity should do. (not being much help I know, but trying to get my post-count up.)
eppo
eppo

WA

9762 posts

12 Dec 2012 2:36pm
Figure eight knot will do it. Double rope over at end then do a figure eight knot leaving a decent loop at the end. Then do it the other side. Thread one loop through the end of the carabiner thingy then feed the other end through the loop and pull tight.

If you have a pole etc, wrap line around pole and thread the carabiner through the other loop and pull tight.

Easy. Bow line would work to, its a strong knot but the doubled up figure of eight doubles up the rope hence the strength.
Chris6791
Chris6791

WA

3271 posts

12 Dec 2012 2:42pm
Mine is I think 8mm 'silver' anchor rope. I can say from experience this will fail before your kite lines will

Interesting point Lostdog makes, personally I'd prefer the tether weaker that the sum of the kite lines (or have a safety release included (or weaker and with a release)).

If something goes wrong and the kite powers up and starts smashing around I'd rather the tether snap and have the kite fall fairly harmlessly from the sky than have the tether stronger than the lines and have the lines or kite start snapping and ripping apart, and flailing around until the kite and/or lines disintegrate. Both scenarios have a kite tumbling downwind eventually, one intact, the other with terminal damage.
doggie
doggie

WA

15849 posts

12 Dec 2012 2:53pm
Select to expand quote
Chris6791 said...
Mine is I think 8mm 'silver' anchor rope. I can say from experience this will fail before your kite lines will

Interesting point Lostdog makes, personally I'd prefer the tether weaker that the sum of the kite lines (or have a safety release included (or weaker and with a release)).

If something goes wrong and the kite powers up and starts smashing around I'd rather the tether snap and have the kite fall fairly harmlessly from the sky than have the tether stronger than the lines and have the lines or kite start snapping and ripping apart, and flailing around until the kite and/or lines disintegrate. Both scenarios have a kite tumbling downwind eventually, one intact, the other with terminal damage.


Try climbing rope, its strong enough to do the job. Most indoor climbing places replace their ropes a bit so they always have old stock that would do the job.
LostDog
LostDog

WA

445 posts

12 Dec 2012 2:56pm
Select to expand quote
Chris6791 said...
Mine is I think 8mm 'silver' anchor rope. I can say from experience this will fail before your kite lines will

Interesting point Lostdog makes, personally I'd prefer the tether weaker that the sum of the kite lines (or have a safety release included (or weaker and with a release)).

If something goes wrong and the kite powers up and starts smashing around I'd rather the tether snap and have the kite fall fairly harmlessly from the sky than have the tether stronger than the lines and have the lines or kite start snapping and ripping apart, and flailing around until the kite and/or lines disintegrate. Both scenarios have a kite tumbling downwind eventually, one intact, the other with terminal damage.


Chris - agree with you in principal, but think any rope with that tolerance in breaking strain will be very hard to find. Make sure tether is secure and control kite immediately by hand, do not give it opportunity to go mental.
Paul1
Paul1

QLD

1011 posts

12 Dec 2012 5:33pm
Get a bungy chord and hook it onto a passer by who is walking their dog, should work a treat, tethered launch is the future of kiting......
Wisha
Wisha

SA

255 posts

12 Dec 2012 6:51pm
Dog leash (for a big dog- braded etc)) wrap around post, then back through the handle. Other end has a clip (can put on a carabeener if you want), clip on to chicken loop or just above it. $5..done.
Lambie
Lambie

QLD

742 posts

12 Dec 2012 6:48pm


I use the follow and attach it to what ever will do the job - usually the bull bar of the 4WD but a sturdy post, picnic table etc will do!
The clip is a 4 " or 100mm stainless and smooth clip.
Its also important to fully de-power the kite when self launching and landing - tends to stop the bastard taking off in a gust!
suface2air
suface2air

QLD

701 posts

12 Dec 2012 7:33pm
next time you are up at bunnings they have a big 150mm hook like ^^^^ they are only about $6 used for carrying or keeping power extension leads in order i use it when i cant self lauch land or just so i can have a drink. as above full depower kite and no probs ever not even a slight one .
Chris6791
Chris6791

WA

3271 posts

12 Dec 2012 5:47pm
Select to expand quote
LostDog said...
Chris6791 said...
Mine is I think 8mm 'silver' anchor rope. I can say from experience this will fail before your kite lines will

Interesting point Lostdog makes, personally I'd prefer the tether weaker that the sum of the kite lines (or have a safety release included (or weaker and with a release)).

If something goes wrong and the kite powers up and starts smashing around I'd rather the tether snap and have the kite fall fairly harmlessly from the sky than have the tether stronger than the lines and have the lines or kite start snapping and ripping apart, and flailing around until the kite and/or lines disintegrate. Both scenarios have a kite tumbling downwind eventually, one intact, the other with terminal damage.


Chris - agree with you in principal, but think any rope with that tolerance in breaking strain will be very hard to find. Make sure tether is secure and control kite immediately by hand, do not give it opportunity to go mental.



I'm careful enough but on one occassion I had a tiny piece of weed pinching two of the lines together, as I looked down the lines and saw it the kite filled with air, powered up and rocketed off in an instant. It ripped from one side of the window to the other and back several times before the tether snapped.
eppo
eppo

WA

9762 posts

12 Dec 2012 5:55pm
Select to expand quote
Lambie said...


I use the follow and attach it to what ever will do the job - usually the bull bar of the 4WD but a sturdy post, picnic table etc will do!
The clip is a 4 " or 100mm stainless and smooth clip.
Its also important to fully de-power the kite when self launching and landing - tends to stop the bastard taking off in a gust!





Yep that's the one. Nice bow lines man.
eppo
eppo

WA

9762 posts

12 Dec 2012 5:55pm
Select to expand quote
suface2air said...
next time you are up at bunnings they have a big 150mm hook like ^^^^ they are only about $6 used for carrying or keeping power extension leads in order i use it when i cant self lauch land or just so i can have a drink. as above full depower kite and no probs ever not even a slight one .




Got a picture man?
Plummet
Plummet

4862 posts

12 Dec 2012 6:14pm



Here's mine, spliced up some rope either end and squashed an S shackle on there. Its about 3m long. that way i can wrap around rocks and big logs it need be.

Cost about $8.
AndyEliotH
AndyEliotH

QLD

356 posts

12 Dec 2012 9:20pm
you can get blue sand screws that you just screw in with a similar rope and clip and off you go
eppo
eppo

WA

9762 posts

12 Dec 2012 7:56pm
Select to expand quote
Plummet said...



Here's mine, spliced up some rope either end and squashed an S shackle on there. Its about 3m long. that way i can wrap around rocks and big logs it need be.

Cost about $8.




Spliced ropes Farq me plum you a Boy Scout or something!

Hey the hook thing, ever worried about ya chicken loop jumping out when the kite depowers suddenly, or the angle changes.
default
default

WA

1255 posts

12 Dec 2012 9:03pm
Thanks for the pic lambie, I'm copying your setup. Big winds didn't materialize today (strange weather here atm) so made a trip to hardware. Sorted for next time I need it :)
eppo
eppo

WA

9762 posts

12 Dec 2012 9:47pm
Strange weather indeed. Don't know if ya saw it on the rain radar but Mandurah was in the eye of this clockwise rotating almost cyclone looking low. Was sunny in the middle and overhead got on my roof, thunder storm clouds 36o degrees. Was bloody weird man.

I did get out yesterday, and got in just in time. When I was being lifted out of the water with board edge and bum sunk in as hard as I could, came in. Then the wind kicked in another 10 to 20 knots stronger. Dumb idea in the first place.
Plummet
Plummet

4862 posts

13 Dec 2012 3:36am
Select to expand quote
eppo said...
Plummet said...



Here's mine, spliced up some rope either end and squashed an S shackle on there. Its about 3m long. that way i can wrap around rocks and big logs it need be.

Cost about $8.




Spliced ropes Farq me plum you a Boy Scout or something!

Hey the hook thing, ever worried about ya chicken loop jumping out when the kite depowers suddenly, or the angle changes.


I worried at first but it has never jumped out. To me its faster and therefore safer hooking and unhooking from it.
suface2air
suface2air

QLD

701 posts

14 Dec 2012 12:07pm
hey eppo it is just the same as this one in video except i havent got the strap on mine as i just snap it on the bullbar or just some rope on a log .If every thing is depowered and kite in right spot with out big gust max pull is about 3-4 kgs on the hook .
Skid
Skid

QLD

1499 posts

14 Dec 2012 1:33pm
Select to expand quote
suface2air said...
hey eppo it is just the same as this one in video except i havent got the strap on mine as i just snap it on the bullbar or just some rope on a log .If every thing is depowered and kite in right spot with out big gust max pull is about 3-4 kgs on the hook .



Is the video title "self launch tool" refering to the fact that you would need to be a bit of a tool to launch like this with your lines across a bike way/footpath. I can imagine a couple of kids happily racing their bikes straight into the lines...
Other than that, all good.
suface2air
suface2air

QLD

701 posts

14 Dec 2012 5:50pm
hey skid i thought the same thing too,, tool absolute tool . Any how i have the same set up after the kite is up i clip it on the handel on the back of harness so i can land any where if i need it . only use it if it is blowen its ass off otherwise i launch land on the sand .
Plummet
Plummet

4862 posts

15 Dec 2012 2:51am
at 2.40 he unhooks the chicken loop from the teather and then hooks it into his harness. Thats a silly way to do it. particularily in 30+ knots. The kite can be ripped out of your hands.

I have the longer teather and that enables me to hook in while the kite is still attached to the teather. The if theres any big gusts during the hook in process the teather takes it.
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