Search found 19 matches

by KlabauterR
Fri Oct 16, 2015 7:19 am
Forum: Movie
Topic: Ducky 17 with a 4 persons crew
Replies: 0
Views: 1271

Ducky 17 with a 4 persons crew

Ducky 17 with a crew of 4 persons.
The small gennaker is made by a sailmaker.



Ralph
by KlabauterR
Wed Aug 19, 2015 8:21 pm
Forum: Ducky 17
Topic: Competitors do not sleep !
Replies: 2
Views: 2671

Re: Competitors do not sleep !

Copying D19 would be no improvement.

https://www.youtube.com/watch?v=0d-U4_B ... RE56TrPfYG

Have a look at 10:30.

Ralph
by KlabauterR
Mon Aug 03, 2015 7:57 pm
Forum: Ducky 17
Topic: Competitors do not sleep !
Replies: 2
Views: 2671

Competitors do not sleep !

The austrian manufacturer "Grabner" recently developed a new inflatable catamaran called HC "Evolution". (4,65 m and 11,5 sqm) In comparison with D17 the boat has some disadvantages especially the soft rig and the insufficient turning mast construction. There is still a lot to improve left. But the ...
by KlabauterR
Mon Jun 15, 2015 3:46 pm
Forum: Ducky 17
Topic: Ducky 17
Replies: 4
Views: 3752

Re: Ducky 17

Hello, to my opinion it should be no great problem to lower the boom and to use a larger mainsail. In this case, I urgently recommend a larger jib too. Concerning the mainsail I would tend to lengthen especially the fore leach. So you keep the centre of effort more in front to avoid increasing weath...
by KlabauterR
Fri Mar 20, 2015 4:02 pm
Forum: Exchange of experience
Topic: Air Pressure
Replies: 1
Views: 1345

Air Pressure

Air Pressure As i know the Grabner inflatables from Austria stand much higher pressure than the adviced 0,3 bar. Even up to 1 bar before they start to burst. - Ducky advices an air pressure of just 0,15 bar for the floats. How much do they really stand? Certainly there are made various tests. What e...
by KlabauterR
Fri Feb 27, 2015 8:47 am
Forum: Ducky 17
Topic: Twist of the position of the hulls to each other
Replies: 16
Views: 9872

Re: Twist of the position of the hulls to each other

Hello Vitaliy,

do you believe that the seam itself is not strong enough? It was welled by a professional. Do you have any idea, how I could test the seam?

Ralph