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From: Paul Ash <AshP_at_sundaytimes.co.za>
subject: [Paddlewise] Paddling with kites/umbrellas
Date: Sat, 23 Apr 2005 19:18:29 +0200
Hi,
Does anyone here have experience of using a kite to tow a kayak? (Or a golf
umbrella, for that matter). I'd be interested in any comments.
Thanks
Paul
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From: alex <al.m_at_3web.net>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Sat, 23 Apr 2005 19:15:56 -0700
IMHO, there is a big difference between these two.  I'm using a hands-free
downwind V-sail.

> Hi,
> Does anyone here have experience of using a kite to tow a kayak? (Or a
golf
> umbrella, for that matter). I'd be interested in any comments.
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From: Tord Eriksson <tord_at_tord.nu>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Sun, 24 Apr 2005 12:34:49 +0200
On Saturday 23 April 2005 19.18, you wrote:
> Hi,
> Does anyone here have experience of using a kite to tow a kayak? (Or a golf
> umbrella, for that matter). I'd be interested in any comments.
> Thanks

Hi,

I have studied the subject in detail and have bought a kite, but not yet
tried it.

First problem is how to deploy your kite - most kites need to be held up 
from the ground to be inflated, so to speak. How do you do that in a kayak?

Secondly, the kite has to be fairly big to function when going down wind,
as all kites need quite a lot of tension on the line(s) to work. No tension
and it falls out of the sky. A big kite stays aloft in lower winds
than a small one, but deploying small kites is easier (especially from a 
kayak), while a big might well be plain impossible.

If you eventually get it aloft remember that going diagonally downwind works 
better, and a leeboard, or two, and a hefty rudder, are pretty essential!

Four line kites are better in many ways, but remember that you
have your hands fully occupied so there is no way you'll be able to 
handle both the kite and paddle! 

How are you going to avoid drowning when you and your kayak rolls 
due to the fantastic tug on the lines and you're ensnared in the kite lines?

A few reported cases show that kites and kayaks can be lethal.

A single line kite is easier to handle, but you can't dump it when you
like, unless you let go of the lines totally! And you can still not
brace yourself, as you have to reel in the line, or out,
according to the wind speed and your speed! And as a single
line kayak by design heads straight down wind you are even more
mercy to the whims of the wind, and it has to be bigger for
just the same reason, it risks stalling out of the sky easier
than one that you manoeuver across the sky all the time!

One way to improve things is to increase the drag of the kayak
a lot, by dropping a sea anchor, or something like that. This way
the tension in the line(s) is/are maintained, and you have more time
to plan ahead. 

And outrigger(s) are more or less a must, if you don't want to
risk your life each time you try it! Rafting up is probably also very wise!

A huge single line kite, with a dumping line (that deflates it when you
want it to) might be the best kite (typically the kind of kite
used for KAP (kite-assisted aerial photography), but such a kite
has no manoeuvrability, of course. But how you're going to
get it into the air is a dilemma!

Our kite is a big D-Quad (4.2m) and we'll use it more like as a sail, 
being at the top attached to our short, folding, mast. 

I have also modified it, so that if the wind becomes too much for 
comfort we let go the lines and it folds forward, a bit like the Balogh's 
Twins. We hope :-)!

And we'll use our outrigger, and being two one can handle
the kite and one can brace and steer!

But we haven't tested it yet!

Yours,

Tord
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From: RICHARD CULPEPER <culpeper_at_tbaytel.net>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Sun, 24 Apr 2005 07:58:44 -0400
Dave Culp's speedsailing page:  http://www.dcss.org/speedsl/
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From: Grant Glazer <grantglazer_at_clear.net.nz>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Mon, 25 Apr 2005 09:23:30 +1200
I've used a small 1.5m  kite before.  Launching wasn't a problem since 
it was small enough to inflate by holding an end with each hand and 
lifting up into the wind.  Since it was a single line kite, I could just 
Velcro the line holder to the bungees in front of the cockpit (knife 
within easy reach!).   Certainly not a speed kite but for plain sailing 
it worked reasonably well.  Much prefer a V sail since it is easier to 
set and pull down and it also allows strong gusts to spill from the 
sail, thus you sail at a more even speed.  You can make your own for 
under NZ$50 (instead of buying a commercial one for over NZ$350) Plans 
are at http://home.clear.net.nz/pages/grantglazer/Kayak/Hintssail.htm

Cheers
Grant
***
*



Tord Eriksson wrote:

>On Saturday 23 April 2005 19.18, you wrote:
>  
>
>>Hi,
>>Does anyone here have experience of using a kite to tow a kayak? (Or a golf
>>umbrella, for that matter). I'd be interested in any comments.
>>Thanks
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From: Michael Daly <mikedaly_at_magma.ca>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Sun, 24 Apr 2005 17:58:40 -0400
On 23 Apr 2005 at 19:18, Paul Ash wrote:

> Does anyone here have experience of using a kite to tow a kayak? (Or a
> golf umbrella, for that matter). I'd be interested in any comments.

Little personal experience, since I've only used borrowed umbrellas 
on day trips for a few minutes.

Around here, golf umbrellas are popular - they are big, tough, not 
subject to corrosion (all plastic and fiberglass) and spill excess 
wind (they are Gustbusters or equivalent).  They can be handled with 
one hand or snagged under a deck bungie/line. They store easily under 
deck bungies.   I've had my eye out for one on sale for a while; 
they're pricy when new.  You can really scoot along with one.

I've been toying with making a kite as well.  I have a ton of very 
light Dacron sailcloth 330mm wide (just over one foot) - the end of a 
roll sawn off.  When Amie saw it, she thought it was a roll of paper 
towel.  Well under 2 oz per yard stuff.  $0.50 at a garage sale!  So 
far I use it for making light stuff sacks.

However, when I think of how easy it is to use a brollie, the kite 
isn't as attractive.  I have a rudderless kayak, so the kite seems 
like it would be a tad more trouble to control.  If I took sailing a 
kayak seriously, I'd consider a deck-mounted sail, but then I 
recently inherited an old Hammer foldable kayak (two seater) complete 
with sail rig (main and jib) that just begs to be reconditioned and 
sailed.  So many projects, so little time...

Mike
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From: alex <al.m_at_3web.net>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Sun, 24 Apr 2005 15:47:42 -0700
In addition to the extensive coverage by Tord, - I think that kite will be
quite ineffective when wet, - and there is a good chance of this in a kayak.
If you are looking for some thrill, then may be a kite will make a paddling
day less boring.

But if you are looking for effective, hands-free and relatively trouble-free
way of augmenting your paddling power, - then V-sails or small batwing sails
are the way to go.  There are at least 3 commercial V-sails,- Spirit,
Quiver, and Pacific Action. Spirit and PA have been reviewed at the
Watertribe website:
http://www.watertribe.org/Magazine/2003_1January/IsaacClass1SailRig.asp ,
http://www.watertribe.com/Magazine/Y2004/M10/SteveIsaacPacificActionSail.asp
x .
There is at least one commercial design of high-aspect, scary-looking
battened sails in NZ (with the mast all the way down to the hull bottom):
http://www.vision.net.au/~jennings/sail/sail.html , and hinged designs of
low-aspect batwing sails in NSW (Australia) by Norm Sanders and others - not
commercial, but quite popular there:
http://www.nswseakayaker.asn.au/mag/36/osdgl.html .

The last one looks quite appealing, with a low center of effort, easily
raised, lowered and trimmed.  This particular one looks a little bit small -
I've calculated 0.6 sq.m (7 sq.ft) from the diagram. With a "normal" kayak
of 23"-25" beam anything over 1 sq.m (11 sq.ft) will be too much, anyway.
The most expensive and the only permamently attached part would be universal
tiller joint (about $30), with a total cost around $70.  On some photos at
NSW website I see that this joint remains on the deck with a short "female"
lower section of the mast, while "male" section with sail is bungeyed to the
deck when not needed.
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From: PeterO <rebyl_kayak_at_iprimus.com.au>
subject: RE: [Paddlewise] Paddling with kites/umbrellas
Date: Mon, 25 Apr 2005 21:27:09 +1000
Alex wrote:-
>low-aspect batwing sails in NSW (Australia) by
>Norm Sanders and others - not commercial, but
>quite popular there:
http://www.nswseakayaker.asn.au/mag/36/osdgl.html .

>The last one looks quite appealing, with a low
>center of effort, easily raised, lowered and trimmed.
>This particular one looks a little bit small -
>I've calculated 0.6 sq.m (7 sq.ft) from the diagram.
>With a "normal" kayak of 23"-25" beam anything over
>1 sq.m (11 sq.ft) will be too much, anyway.

G'Day Alex,

I can vouch for the Norm Sanders design. I've been using it for several
years and as you say it's very popular here. Your description of its
performance is on the button. Last week I was using it in about 1.5m sea and
15knot winds and it was straightforward to raise and lower, which we had to
do as we rounded points when we were facing up wind. Don't think I'ld be
using a golf umbrella in those conditions! Its also easy to lower after
capsizing for rolling up. Because the sail is set quite forward it overcomes
the tendency of my boat to turn off larger waves in a following sea. My
website gives a bit more detail on fitting the sail.
http://home.iprimus.com.au/rebyl_kayak/ although I'm about to move the side
stay deck attachments a bit further forward.

All the best, PeterO
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From: TheGuyWhoSentThis ;-] <rjrogg_at_pacifier.com>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Sat, 23 Apr 2005 19:05:22 -0700
Paul Ash wrote:

>Does anyone here have experience of using a kite to tow a kayak? (Or a golf
>umbrella, for that matter). I'd be interested in any comments.

Hi,

Do not normally post, but, yes I use a golf umbrella when
the wind is going my way.  For me, it works just fine.
Stows easily.  Deploys easily.  Cheap to replace.  Mine has
the over pressure feature.  Too much wind is just dumped through
the flap.  Of course I would not recommend an umbrella for
long or extended distances.  Holding the umbrella becomes
tiresome and then there is fact that one hand will be unavailable
for anything else.  My kayak has a (much discussed/hated/loved)
rudder and FWIW the combination works for me.  I would estimate
my best speed to date has been about 8-10 mph.

Roggie ;-]
Longview, WA, USA
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From: PeterO <rebyl_kayak_at_iprimus.com.au>
subject: RE: [Paddlewise] Paddling with kites/umbrellas
Date: Mon, 25 Apr 2005 21:44:41 +1000
Paul Ash wrote:
>Does anyone here have experience of using a kite to tow a kayak? (Or a golf
>umbrella, for that matter). I'd be interested in any comments.

G'Day Paul,

I think a kite is a pretty inflexible method for using the wind. Downwind
sailing only and the ones I've seen have a lot of lines to tangle up.
Umbrella's might be ok for fun sailing/races in safe conditions but not for
serious touring. I don't think you can beat a sail fitted to the deck for
touring.

All the best, PeterO
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From: Paul Ash <AshP_at_sundaytimes.co.za>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Tue, 26 Apr 2005 18:47:58 +0200
Hi,
Thanks to all who gave advice. Clearly a sail rig is the way to go.
I will, however, try the umbrella option on a forthcoming expedition up the
west shore of Lake Malawi (Mozambique). Paddling a plastic double so my
paddling partner (wife) can have the dubious pleasure of holding the umbrella,
should we get some favourable winds.
Will report back at the end of May.
cheers and thanks
Paul
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From: Matt Broze <mkayaks_at_oz.net>
subject: Re: [Paddlewise] Paddling with kites/umbrellas
Date: Tue, 26 Apr 2005 22:26:49 -0700
I  have a 7.5 and a 15 sq. ft parafoil. The 7.5 would pull me along faster
than I would be blown without it but it wouldn't pull me at hull speed. The
15 sq. ft. works very well on land but I have
rarely found it beneficial on the water. Way more trouble than it is worth
in my opinion.
It is difficult to get it launched from the water and more problem trying to
keep it up in the air once I do. If the
wind slows a little you end up back paddling to keep it in the air while
your
paddling friends are disappearing around the next point. I have found it
especially difficult to relaunch once it has gotten wet.

Once in a 25 to 30 knot blow on Dungeness Spit (in the old days before it
was ranger infested) that kite got my adrenaline up. After my partner
released the bow and the kayak pivoted out to sea (I felt like a bull rider
swinging out sideways as the gate opens) and then immediately started to
plane it only took me a few seconds to realize I had a tiger by the tail and
wasn't sure how to let go. It had me planing across the water as it swung me
side to side as it lashed back and forth. I was in my narrowest (20.5" wide)
kayak. I quickly realized that if I dumped and lost my grip on the kayak it
would easily sail the many miles to the next shore without me. I got out my
knife so I could cut the line quickly if necessary. I had a devil of a time
making progress at getting the kite back down while
trying not to drop and snag the paddle (that I had tucked under my armpit in
order to
work the hand reel) and keep my balance without the use of the paddle. If I
back paddled hard I could barely hold my position against the wind. I
seriously considered
cutting it loose but didn't want to loose the expensive kite. I managed by
fits and starts to make some progress (gain a few wraps on the reel then
loose a few, tuck the paddle back up further under my arm again) and
eventually reeled it most of the way
in. When it was only a few feet away I thought I might not even get it wet
but it swung over and dove into the water. Then I was afraid it would act
as a sea anchor and yank me over as I planed past it on momentum. A wild
ride I won't soon forget. I could have made great time that day if I had
wanted to go that way but I was going to have to paddle back into the wind
to the spit afterward so didn't want to go too far.

The last time I tried to use it was near camp after a long crossing. I spend
an hour fussing with it without much success. Convinced there must be
something wrong with it I tried it again once I was at camp. It worked
perfectly with just being tied of to a log.

Sails are way more practical but don't mess with leeboard and the like. It
is much easier to paddle up wind than to sail that way so why bother with
all the excess baggage when you already have the paddle. With a kite I could
"sail" (without a rudder) more than 45 degrees to each side of straight
downwind (by how I positioned the rotating line  between the bow and my
cockpit I attached the kite line to. With a simple spinnaker (on an old
Feathercraft double) I was able to sail nearly 90 degrees off the wind  (by
wrapping the spinnaker around the mast some and using it like a mainsail.

Unless the sail is very easy to set up you will probably get to your
destination quickest by paddling anyhow but sailing might save some energy
(if you don't have to hold it up against the wind anyway).

Matt Broze
www.marinerkayaks.com
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