Inhabitat











October 23, 2007

POWER YOUR BOAT WITH KITES: Wind Power by KiteShip

by Abigail Doan

Kiteship sea kite power commercial shipping energy saving fuel consumption Business Week Green Tech

Kites are no longer just for leisurely days at the beach. A promising enviro-enterprise to watch, KiteShip is a wind-power-tech company proposing the use of massive sea kites to reduce the amount of fuel used by commercial freighters. And recently, company executives have announced a potential partnership with four shipping companies to build a $2 million, 13,000-square-foot kite to help haul ships as large as 400 feet long. The huge kite would cut fuel costs drastically, making the gas-guzzling commercial shipping industry a little greener.

KiteShip already has a successful track record of using kites to help power pleasure yachts. They also built the world’s largest sailing kite in 1997 as well as holding the Guinness world records for the largest vessel pulled by a kite and the largest kite to pull a land vehicle. They have recently applied their know-how to possible green solutions for powering tankers and ocean going vessels.

It is estimated that the wind power from the 13,000-square-foot kite would allow a typical commercial ship to cut fuel costs by 10% to 20% without sacrificing speed. For an average ship, that would translate into $400,000 in savings per year. The EU has formally acknowledged that shipping may contribute to as much as 5% of global CO2 emissions - an alarming statistic given that ships also carry 90% of world trade.

It is our hope that in addition to reducing rampant fuel consumption and C02 output, technologies such as KiteShip might ultimately serve as greener alternatives to the petroleum powered vessels and tankers that currently dominate our already over-taxed seas.

+ KiteShip

Kiteship sea kite power commercial shipping energy saving fuel consumption Business Week Green Tech

Kiteship sea kite power commercial shipping energy saving fuel consumption Business Week Green Tech

15 Responses to “POWER YOUR BOAT WITH KITES: Wind Power by KiteShip”

User Gravatar
sail Says:
 Add karma Subtract karma  +0

This is not really new. Sailing has been around for centuries. Those kites are basically just giant spinnakers.

User Gravatar
Akuma Says:
 Add karma Subtract karma  +0

Holy Crap, when did masts start working again?!

User Gravatar
Sailkish Says:
 Add karma Subtract karma  +0

They’ve had this technology for years. Decades. Centuries. It’s called a ’sail’. I’m sorry for being so sarcastic but I cannot believe that some company is actually trying to push this as a ‘new’ idea! This is just a spinnaker on a long line for metal ships. Wow. This is old tech rediscovered, nothing new.

User Gravatar
 Add karma Subtract karma  +0

[…] Read the full story… This entry was posted on Wednesday, October 24th, 2007 at 11:12 am and is filed under le Chat Marchet. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site. […]

User Gravatar
cate dunn Says:
 Add karma Subtract karma  +0

is this serious? everyone realizes that this is a modified sailboat, and not a new idea….at all?

User Gravatar
LD Says:
 Add karma Subtract karma  +0

Yes, it is an adaptation of an old concept but what the Hell !

User Gravatar
Marty Says:
 Add karma Subtract karma  +0

Read the article… while it may be a sail… there is nothing new about a 13,000-square-foot kite…

User Gravatar
J Says:
 Add karma Subtract karma  +0

so what if it’s an old idea. Old doesn’t mean bad. When was the last time you saw an ocean liner using sails? I think its great that a company is making these and that people are getting behind it. This is the first time I have commented on this site, but I couldn’t hold back any more. Many of you are so cynical I often wonder why you even come to this site. Just be happy that someone, if not making progress, is at least learning from the past.

User Gravatar
Bengt Says:
 Add karma Subtract karma  +0

Even using something that floats on water is a very old idea. Should we ditch boats for the same reason? One of the biggest problem sail ships had as transporters was the huge crew demand. With some sort of automatic sail this is no longer an issue.

User Gravatar
Kim Says:
 Add karma Subtract karma  +0

Using kites is a relatively new idea. Don’t think many of you are sailors or engineers. Kite sails have only become possible with new materials technology. Kite sails don’t use masts so the effective power is much more direct. You don’t end up tipping the boat as the power goes up, thereby losing power. You don’t have the centre of force of the wind a third or so of the way up the mast but right on deck. It is a significant gain in efficiency which is why it is banned in most sail races. If it were possible to use it mechanically, commercially it could be a great gain. That said the most efficient kite sails would probably not be the spinnker type but airfoil type like the centre picture.

User Gravatar
 Add karma Subtract karma  +0

[…] POWER YOUR BOAT WITH KITES - Wind Power by KiteShip - Inhabitat.Com […]

User Gravatar
Michael Says:
 Add karma Subtract karma  +0

The challenges of launching and retrieving a 13000 square foot kite from a moving ship as well as controlling a kite that large is nothing to sneeze at.
Superficially it resembles a spinnaker, but spinnakers are not able to fly on long lines so that they can catch the stronger steadier winds hundreds of feet up or be flown in a huge arc to increase the power of the pull.
You could say it is just a scaled up version of a kitesurfing kite, but the pull on the lines is several thousands of pounds as opposed to maybe 200 (peak).

In short this is really difficult stuff or people would have successfully done it years ago, but they have not because the technology and materials were not up to it.

User Gravatar
Kurtu5 Says:
 Add karma Subtract karma  +0

I don’t think launching and retrieving will be that hard. Especially if you notice that its attached to a lighter than air balloon.

Since its unmanned, hydrogen gas would do quite nice to keep it aloft. H2is not rally that dangerous, the Hindenburg looked bad, but many survived, and since H2 is way cheaper than He, is seems the obvious choice.

Additionally you could reel in the wings into a two small holding bays, around the bay that the balloon then gets reeled into and the gas could get pumped out and compressed into a storage tank. To deploy, fill the gas bag, and let it lift the kite to desired altitude, then put the correct tension on the wings so they inflate. Fin. You might need 3 or 4 crewmen to do this.

User Gravatar
dsteven53 Says:
 Add karma Subtract karma  +0

The power of a high altitude kite and the directional advantage plus the lower center of effort will make both control and handling an advantage! I can hardly wait to power my own fossil dependant craft with a kite.
TX Dave

Leave a Comment

Please keep your comments relevant to this blog entry. Email addresses are never displayed, but they are required to confirm your comments.

Please note that gratuitous links to your site are viewed as spam and may result in removed comments.

SIGN UP NOW

CURRENT USERS LOGIN

Lost your password?

Add your comments


Bad Behavior has blocked 33860 access attempts in the last 7 days.