Gepard

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A view from above

If we start our tour in the cockpit, we find it very sheltered, but still with an excellent view forward over the cabin top. There is plenty of backrest, which is very good for long sailing trips or to keep children and other treasured items aboard! It is 150 cm long in front of the aft beam, but can with a minor modification be extended a further 25 cm over the aft beam. There is easy access to large (but not too large!) lockers under the seats. At the aft end of the lockers there is a transverse main sail sheet track (not shown here). At the forward end of the cockpit, there is easy access to the cabin and to the winches on the cabin top. All sail controls can be led aft to this point.

Gepard top view

The huge deck is really wonderful: It is great for moving around, for relaxed sun baths, or even for sleeping on during warm nights. Also, It is very convenient for sail handling and folding. The wide beam also allows very open sheeting angles. In the side hulls there are huge lockers. Excellent for fenders, garbage, boat hooks, etc etc.

The big aft platform is where the outboard engine and swimming ladder are mounted. There is also place for the anchor line and anchor handling (typically aft, Scandinavian style).

Side and transverse views

Gepard side and front viewThe exterior dimensions of Gepard are as follows:

Dimension Original values Optional
LOA 8.00 m 8.00-9.00 m
LWL 7.50 m 7.50-8.50 m
Max beam 6,05 m 6.05-6.60 m
Min beam 2.20 m 2.20
Max draft 1.90 m 1.70-1.90 m
Min draft 0.40 0.40-0.70
Weight 1100 kg 1100-1550 kg
Main sail 28 m2 28-31 m2
Jib 12 m2 12-17 m2

Sail areas are approximate Main sail roaches have steadily increased over the years and some prefer the more recently developed square tops over instead of pin tops. Also, the height of the boom may vary due to personal preferences. The mast length is 12.00 m as standard, same as the standard length of many mast sections. Jib area depends on the heigh of the mast intercept, and on possible overlap (although most choose self-tacking jibs). Gennaker area will be in the range of 60 m2 and a screecher 30 m2.

Optional exterior dimensions

The lenght can be extended if wished in the stern only, or in mid sections for increased interior space. Extending the lenght will also reduce pitching movements in big seas. The speed will be somewhat increased in medium winds due to reduced hull speed hump, but actually slower in very light winds due to increased wetted surface!

Beams can be extended to 6.60 m or even more if wished for increased transsverse stability and less heeling. However, the cost will increase (standard mast sections are 12 m, which are normally split in two), and the greater forces has to be taken into account. The boat will also, obviously, take up more space.

The deep daggerboard provides magical windward abilities.

Boat weight

Empty weight is depending on the laminate and how much "extras" are put in, among other things. Gepard no 4 weighs 1074 kg. The first two Gepards weighted approximately 1350 kg, but note that the 1 m midships extension and deck rebuild of Acinonyx did not cause the weight to increase to any major extent! In spite of some extra comfort details that were put in! This is an excellent demonstration of how light one can build laminates nowadays! Acinonyx weighted around 1450 kg (fall of 2008) with further comfort details incorporated.

Various ways of folding could be incorporated into the design, depending on taste. However, one should be aware that folding comes with increased weight. Comparisons with foldable production boats in the 8.5-9 m range shows that demountable Gepards are substantially ligther:

Boat Loa (m) Weight (kg) Weight data from
Gepard XL 8.97 1454 Acinonyx weighed fall 2008
Corsair 28R 8.66 1572 Lightest boat data from SweLYS 2008
Corsair 28CC 8.66 1650 Boat data from SweLYS 2008
Dragonfly 28 8.75 2214 Boat data from SweLYS 2009

 

 


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page updated 2019-08-15

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