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by Hansen Design
Fri Apr 27, 2018 12:44 am
Forum: Kitesurfing
Topic: My new project : iGetwind.com
Replies: 44
Views: 17478

Re: My new project : iGetwind.com

Been using it last couple days and like it. Especially the tide data which is important here.
Cheers!
by Hansen Design
Tue Jan 23, 2018 1:59 am
Forum: Kitesurfing
Topic: One strut kites - which the lightest of them all?
Replies: 53
Views: 10189

Re: One strut kites - which the lightest of them all?

Very difficult to build a 9sqm no-strut inflatable for much under 2kg using conventional LE, canopy and bladder materials. Add a center strut at .25 - .5kg depending on C/L chord. The only way to cut the weight substantially is alternative materials and/or bladderless construction. Weight/sqm progre...
by Hansen Design
Sat Jan 06, 2018 1:01 am
Forum: Kitesurfing
Topic: Are Switch kites getting any better?
Replies: 467
Views: 59145

Re: Are Switch kites getting any better?

Hello Fluidity:
Please check your PM's on this site. Cheers!
- Bill Hansen
by Hansen Design
Fri Dec 22, 2017 2:18 am
Forum: Kitesurfing
Topic: Are Switch kites getting any better?
Replies: 467
Views: 59145

Re: Are Switch kites getting any better?

Hello Tegirinenashi: Here are the Nitro4,5,& 6 canopies overlaid. Nitro 5 had minor flattening of the wingtip profiles from T3 strut out and a slight bit of additional sweep. The major change was the 'Spider' bridle. Nitro6 as mentioned previously was completely re-profiled and the LE was curved mor...
by Hansen Design
Thu Dec 21, 2017 8:12 pm
Forum: Kitesurfing
Topic: Are Switch kites getting any better?
Replies: 467
Views: 59145

Re: Are Switch kites getting any better?

Nitro6 was a comprehensive time-consuming revision from Nitro4 & Nitro5 while preserving the AR and general appearance. The kite's canopy and struts were totally re-profiled to reduce drag and add stability. The LE tube was changed to add sweep/curvture in the shoulders for better relaunch. The stru...
by Hansen Design
Fri Dec 15, 2017 3:47 am
Forum: Kitesurfing
Topic: How to ruin your vacation with Core
Replies: 44
Views: 4011

Re: How to ruin your vacation with Core

@JBrook: http://www.kiteforum.com/viewtopic.php?f=1&t=2392616 Failures in crashes on water can be sewing/construction issues like misplaced bar tacks or lack of reinforcing. Prior damage or wear and tear are also a factor. 'Tomahawks' cause canopy tears along the center strut. 'Whiplash' crashes whe...
by Hansen Design
Thu Nov 09, 2017 6:52 pm
Forum: Kitesurfing
Topic: DIY onestrut kite
Replies: 91
Views: 8079

Re: DIY onestrut kite

Kites do not sit directly overhead due to drag. That means the towpoints are in front of the kite. Not directly below. CAD software can approximate the positions if the user arbitrarily predicts the drag angle, towpoint separation and bridle length. In practice, the towpoints move during sheeting an...
by Hansen Design
Tue Oct 31, 2017 5:24 am
Forum: Kitesurfing
Topic: DIY onestrut kite
Replies: 91
Views: 8079

Re: DIY onestrut kite

practically impossible Meaning: very difficult While conceptually possible ... It would require a sophisticated workshop and a very time consuming and precise process Even if able to pull apart glued and sewn seams without stretching the pieces, holding them dimensionally secure in place and digiti...
by Hansen Design
Mon Oct 30, 2017 5:35 pm
Forum: Kitesurfing
Topic: DIY onestrut kite
Replies: 91
Views: 8079

Re: DIY onestrut kite

Hello BWD: My approach is your #1. Occasionally, several identical protos with one variable change. This was used on the Legacy to optimize slack. I see in promos for some brands about dozens or even hundreds of samples being made. Pick the best and bin the rest. Expensive since most wind up in the ...
by Hansen Design
Mon Oct 30, 2017 4:39 pm
Forum: Kitesurfing
Topic: DIY onestrut kite
Replies: 91
Views: 8079

Re: DIY onestrut kite

While conceptually possible, picking apart a kite and duplicating the components is practically impossible, especially the canopy which is to some extent elastic. It would require a sophisticated workshop and a very time consuming and precise process. And, copies can never be better than the origina...

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