I am sitting in my window. A castle beyond the water.
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Read abstracts one page down or go direct to full story here:
What is it they have in their back packs that I don't have?
Skate sailing in wings, build or read a story. Photo right.
A concept for the world's biggest, longest, widest kite?
Hobbies and education, see below
Tactical compasses for sail boats Sorry, no production for the foreseeable future. |
Here I sail one of my Ice-Wing skate sails. The wing hangs on my shoulders. I wear ice skates. The front of the wing is transparent. Top speed is around 120 km/h, 75 mph. |
Abstracts
One of my hobbies is to design, build and race skate sails. I do it for the intellectual challenge of trying to come up with faster designs and the joy of winning races with a technically superior sail. | The picture above to the right shows me sailing one of my wing skate sails. I have ice skates, 15 cm (6 inches) high, on my feet and the wing is supported on my shoulders with straps. I lean into the wind and balance in a state between flying and |
falling. I call my skate sails Ice-Wing. As far as I know I was the first to show that standing inside a wing sail was the way to sail much faster on skates. Before the sailor stood on the leeward side of a single layer cloth sail. |
On the drawing board are speed sailing designs which shall be capable of 160 km/h (100 mph). At present I am working on a totally different concept which I believe will be much faster than the stand inside wing skate sails, especially in light wind. |
Abstract of abstract
Any check in luggage Sir? |
The
basic outfit consists of one pair of trousers and
one shirt. These only trousers have four large
pockets for the gear.
I packed Ultra Compact and Light, about 1.5 liter, 0.6 kilograms, in the pockets.
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Some 30 items, of which some 25 are
specially made or modified to be compact. Sweater, volume 3 liters, 400 g, too big for Ultra Compact Travel. I make a insulating vest, one liter, 100 g, as a replacement. |
Two such vests and another wind jacket, wind trousers, gloves, socks and a hood and I may be OK down to 0 C. The Holy Grail of Travel Ultra Compact? I will modify gear for next trip. Wind gear: made of more air tight material, better sealing at openings. Insulation of high tech material.
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When I was testing my "Ultra Compact Travel Gear for the Tropics" I traveled with a friend, who had some 20 kg of luggage, and took the opportunity to compare some parts of our luggage and ask him some questions. |
Photo: Upper collection of items is his medical kit, 0.8 kg. Two lover items, two aspirins and a small bottle of disinfectant is my medical kit, 10 grams?
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Abstract of abstract
Traveling light is convenient. Since some years I wanted to try putting all in a vest with many pockets. Tried it in Romania, in September. A bit tough when temperature dropped to 9 degrees C with rain. I added insulation by putting wrinkled paper in pockets. At times I looked overstuffed. In nice weather the vest with content weighed some 4 kg. |
My tailor has now made new gear
and I have modified gear.
Pick pocket attack went well - defense systems worked. When the Siberianskaja, the local cold strong wind, struck I used kittens to keep ears warm. -: Next trip in same sort of climate, only vest again. Next trip in the tropics, maybe no extra garments. |
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The position of the center white pointer
directly gives total wind shift information! Starboard tack shown. |
Racing sailors use shifts in the direction of the wind to win races. The wind shifts can be tracked with a tactical compass. I have designed two tactical compasses. I produce these compasses by modifying mechanical compasses of the Swedish make Silva. The compasses are used in more than thirty racing classes, mainly in Sweden. |
Can technically be used by e.g. two persons to (skate) sail straight up/down wind.
This kite is 22 by .5 m. I think you can sail straight up wind or down wind with it! |
Left, a not too serious result of my interest in wind propulsion, a sailing bicycle. | Hobbies: Designing, building and racing skate sails. I like to travel, I have visited some 60 countries and traveled around the world some five times. | Earlier I used to race sail boats a lot: Sailing Canoe, Star Boat, Trapeze Dinghy (an Elvstroem design), Tornado Catamaran and Laser Dinghy. I have sailed with a friend in his boat from Sweden to Island, via west England and south Norway. A very rewarding three months trip, half of the time at sea. | Education: I am a Master of Science in physics at the Royal Institute of Technology in Stockholm. I have a degree in electronic engineering. After many years of designing skate sails I have become an amateur aerodynamicist. |
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Written April 2006. Modified Feb. 2011.