4 is an underside view of the skirt system along one side of the craft (with fingers omitted for clarity). I will demonstrate the following steps with a RC hovercraft skirt made with trash bags. Image result for hovercraft skirt design. Contact me with questions! black, but you may customize the color to match your hovercraft. (not shown). Fig. Thanks to the template, you don't have to worry about the length at the bottom of the piece, nor the height of the piece - they will be exactly as you need. Backed by a long history of laboratory development and on-craft experience, we can match compounds and materials to accommodate specific needs for varying degrees of ozone and oil contamination, abrasion and flagellation that may be encountered during use. Chris Fitzgerald, President Neoteric Hovercraft use blowers to produce a large volume of air below the hull, or air cushion, that is slightly above atmospheric pressure. Therefore, we need the top of this piece of skirt to be 25 cm (25,1 cm because you will need a margin when sewing or soldering the pieces together). When joined together by soldering or sewing, this part of the skirt will have an angle of 90. The first practical design for hovercraft invented by British in the year 1950 to 1960. Haulein McInerney, Student of Mathmatics segments may be used in any location on your hovercraft's skirt. 4. You read it well, this tutorial works for both ! To go further, the following drawings and picture can give you ideas to get smoother finishes : instead of having only two 45 pieces, you can get a right angle with four 22.5 pieces, by adding an extra piece of skirt in the middle. We design our skirts and seals on an individual basis, providing a tailored product that meets the specific requirements of each project. Repeat the same operation for all your hull sides. Particularly on larger craft, large inner bag panels tend to exceed the width of commonly available flexible materials. Logically, the more complex your hull is, the more work and calculations you will have to do. Remember that you will need one template for each angle value on your hull. Kofi Anguah and Nick Szapiro - Swarthmore College Computer Society A "vented bag skirt" is set to the hull in two places: on the edges of the hull, and on two strips - polypropylene strips in my case - under the hovercraft. Samples of various skirt fabric tested to destruction. Each of the inner bag panels in a multi-panel tiled arrangement in accordance with embodiments of the present invention may have a drooping trailing edge. You can get free help through the forum or speak with our engineer. Advantageously, this can mean that the finger can be removed with its own section of inner bag panel still attached. moving the centre of lift pressure over and tending to raise the craft More specifically, air from the lift fan is blown into the bag part 20 through openings 24 in the side of the hull 2, from where it passes into the main cushion via the fingers 22. Your completed hovercraft should have CD flat on the bottom, pop-tip lid above and the inflated balloon's neck stretched . Baby Car Seats. A pure finger skirt requires specific hull shaping to suit the required skirt attachments and to provide air distribution within the structure. It must keep the skirt in place without hindering its inflation. The skirt is in excellent condition and skirt patterns are included to make new future skirts. My goal is to democratize RC hovercrafts and general knowledge about hovercrafts. variation in the exact shape and size of the skirt and structure can be Urethane coated nylon fabric, 710gsm 20.9oz or 1200gsm 35.4oz/yd, STABOND 2-PART ADHESIVE for inflatable boats, or hovercraft skirts UK-148, quart, Vanguard hovercraft skirt, cut, ready to glue, Robo Scissors, carbon and glass, with two blades, charger/AC adapter, Completed vinyl skirt for Vanguard (14ft x 7ft) - color gray. A self-propelled hovercraft having a body or hull around the periphery of which is a segmented skirt. Join the end of the semi-circle to the end of the attaching strip with an arc. Preferably the inner bag panels overlap one another by at least 5% of their plan area, more preferably by 40% or more of their area.