My Hovercraft Plan

!: My Hovercraft Plan

For some reason I have always been fascinated with hovercraft. I think the idea of hovering over almost any surface is really cool. I came up with a plan to build my own hovercraft.

I built my first hovercraft from a basic set of plans I found at the local library. It consisted of a platform made of plywood with a shop vac attached to it for power. You sit on it and when someone pushes you it glides across the floor like an air hockey puck.

Now while this was great fun it was not what I was looking for. I wanted to build something a little more serious.

I looked into hovercraft kits or buying a used or new one and they were all out of my budget. According to the wife.

I found a reasonable set of plane online and bought them. After reading through the plans a few times I was off to my local hardware store to buy what I needed. I already had most of the basic tools required so I was now ready to start building my very own hovercraft!

Construction is pretty basic and consists of plywood, foam and some fiberglass. I have assisted in building experimental aircraft before so this was an easy task for me. But I think even someone with basic skills could build there own hovercraft.

I built the whole project it a few weeks and was ready to test it out. With a few last checks I started it up and hovered around my back yard.

It takes a little getting used to the controls but once you do it is fairly easy to drive. Everything seemed to be going well so I headed out over the lake. On smooth water this thing just glides along and is so smooth. It is the coolest feelings in the world.

I came back from my first test run grinning from ear to ear. I am now in the process of building my second one for the wife. She loves it and wants her own. I figure we can go hovering around together.

I am already planning some modifications for the second one plus a little more power. Feeling confident about the building process now.

What is so great about hovercraft is that they can be used all year round. Unlike our boat or motorcycle that have to go into storage for the winter months. My homemade hovercraft glides over snow and ice with ease.

Cost for the build was very reasonable and with a little scrounging you could keep the costs even lower. A good place to start is your local garage sales. Great for picking up any tools you are missing too.

There are bigger more expensive hovercraft plans out there but dollar for dollar these plans cannot be beat.

My Hovercraft Plan

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A New And Innovative Kit Hovercraft Is Now For Sale By FSP

!: A New And Innovative Kit Hovercraft Is Now For Sale By FSP

A new kit hovercraft is now available from Father Son Projects, LLC. Hovercrafts have been around since the 1950s, but kit builders have been plagued with three major problems that have kept hovercrafts mostly out of sight for the past half century. Father Son Projects (FSP) has tackled these problems and is now selling their easy-to-build kit at http://www.fsplimited.com.

Hovercrafts are famous for being virtually friction free. They accomplish this feat by riding on a pressurized cushion of air that lifts the craft just off the ground. It's like a giant air hockey puck that you can ride on! To contain this pressurized air cushion and release it evenly, a hovercraft uses a rubbery skirt that wraps around the craft. Traditionally, kit hovercrafts had a skirt that acted like a single tube which was inflated by the craft's lift engine or air blower. This kind of skirt was difficult to install; requiring hundreds of special screws to attach it, plus mixing of chemicals to glue it on. If the skirt was damaged, it had to be completely removed and redone. This wasn't just difficult, it was expensive. This design would also deflate if the lift engine died, reducing the hovercraft's buoyancy on water. Some hovercrafts would even sink in this situation!

FSP's hovercraft uses a "dual tube" design that is not only incredibly easy to install (just glue it on), but also easy to repair and replace. If a tube gets a hole you just pull it off and replace it. The tubes are always inflated as well, making the hovercraft more suitable for fishing or as a swimming platform (although it is pretty tipsy and much slower on water). This design has also been found to be extremely durable. The skirt was undamaged after testing the hovercraft on pavement at speeds over 30MPH. It truly is friction free.

The other major hurdle FSP has overcome is reducing the complexity of building a duct for the propeller that drives the craft. Ducts keep the air from slipping off of the propeller tips as it spins, which causes a loss of thrust. However, ducts become detrimental at high speeds and actually produce more drag than thrust. That is why airplanes don't have them. So instead of having their customers form a perfectly round duct that is within 1/8th inch of a propeller spinning at over 3000 RPM, FSP designed their easy-to-build propeller guard. It keeps the spinning propeller out of reach, and adding a 389cc engine devoted solely to thrust provides the operator with plenty of acceleration (and adrenaline).

Traditional hovercraft kits required their builders to finish and balance their own propeller. This was generally considered to be the most difficult task in building the kit and discouraged many people from ever trying. Purchasing a finished propeller was either not an option or cost extra money. Builders were left to settle with a nonprofessional prop and a frustrating experience. But FSP has partnered with a professional propeller manufacturer that has been making props since 1961. The beautiful 38" hardwood prop is laminated with a Class 1 waterproof resin and coated with a polyurethane coating designed to withstand the harsh environments of aviation. Just receiving this beautiful propeller in the mail is exciting!

While FSP has made some large jumps in kit hovercraft technology, one of their best achievements is their focus on education and family fun. The kit is designed to be an exciting, relationship-building experience for fathers and sons, not a frustrating task that will likely not get finished for many years. FSP has also put together a free science guide with the hovercraft to facilitate an understanding of the principals behind the craft. It explores the workings of the 4-stroke engine, Bernoulli's Principal, Newton's third law of motion, and aerodynamic stability. It is FSP's hope that their kit will find its way into high school science classes and home school curriculums.

So if you're looking to make a memory, draw a crowd, or do some 360's, check out FSP's hovercraft at http://www.fsplimited.com. Plans can be purchased for only , or you can purchase the "Major Component's Bundle" for 00 which includes a 13HP thrust engine, a 5HP impeller based air blower, a 38" professionally built propeller, and the plans. If you're not interested in making your own parts these too can be purchased from FSP.

PS. They're also working on a jet propulsion kit....

A New And Innovative Kit Hovercraft Is Now For Sale By FSP

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Air Hockey Indoor Amusement Games by Hully Gully Games

!: Air Hockey Indoor Amusement Games by Hully Gully Games

How to play Air Hockey Amusement Games. * Insert two coins. * 2. Count down of time display will start and locked strikers from the score box will be released and then the blower will start. * 3. Striker is to be hit with a puck. * 4. If the striker will go in the opposite players goal area then score will increase and vice versa (if the striker will be hit by the opposite player in your goal area then opposite players score will increase. * 5. The game will be over if the set time or score points whichever completes first. Copyright - HG Electronics - India

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Whether you are snowboarding, downhill or cross country skiing, playing in the snow, hiking, hunting or fishing, properly drying your gear after your day's activities, not only makes them last longer, but also makes your next days outing more enjoyable. With four extra tall air chambers, the DryGuy can dry up to four garments at the same time in an hour. The high volume whisper quiet rotary blower provides a blast of heated or unheated air for super fast drying. Weighing in at 2-1/2 pounds, the DryGuy will take up very little space on your next outdoor trip or as a permanent fixture at your vacation home.

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Folding 64" Poratable Table Speed Hockey by AirWay

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- Adjustable Speaker Volume- Fully Assemvble in Seconds- Exciting Table GraphicsBox Includes:- 1 Detachable blower motor- 1 Folding Air Hockey Game- 1 Nylon Carrying Case- 2 Power Strikers- 2 Pucks- 4 Riser Pads (for Play on Carpet)- 6 AA batteriesSpecifications:Dimensions 64.50" x 36.25" x 2.25"Blower Motor 100V electricWieght 35 Lbs.

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Harvil Tabletop Air Hockey Table

The Harvil Tabletop Air Hockey Table is a lightweight and affordable way to introduce the fun of air hockey to children. This air hockey table comes complete with an electronic blower that moves the puck on a pocket of air-- just like the full size tables! The Harvil hockey table is made with high quality wood for enhanced durability while the non-marking pads protect tables and furniture. With a classic look, convenient size, and real air hockey action, the Harvil Tabletop Air Hockey Table turns any childrens bedroom into their own personal game room!

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What Shape will Hover Boards of the Future Be?

!: What Shape will Hover Boards of the Future Be?

Everyone knows what a skateboard looks like, but will it always look like that? The reason I ask is that in the 1900s a skateboard was a two-by-four with roller skate wheels attached and a basket or crate in the middle used to zoom down hills and crash on.

So, obviously the modern day skateboard is nothing similar. Thus one must ask what will the Hover Boards of the future be like and what shape will they be? These future hoverboards can be any shape and designers being unlimited in thought must consider all shapes for instance possible shapes might be;

Spade Shape - Deck of CardsManta Ray ShapeFrisbee ShapeTriangle ShapeStealth Fighter ShapePentagon ShapeTear Drop ShapeOval ShapeBernoulli Flying Wing with Gates Whatever shape is chosen it must provide the aerodynamic solutions for our challenges. It would be smart to stay away from shapes that are too wide because as the rider turns the sides would hit the ground and the lower the unit hovers the better the performance when in full-ground affect. Indeed the wings would be fatter more rounded and less swept with more camber. The point is we are not bound by the shape of the present period skateboard we are talking about the Future.

Additionally another important point is that we must not waste any airflow in our design. Thus air which is blown underneath will need to be re-used thru a series of design shaping strategies to force that air back along the aerodynamic structures of the hoverboard body.

The goal is to build a hover board which can travel like a hockey puck on and near table game board; very fast and maneuverable. Then use that speed to gain lift from the relative wind and use deflection strategies for maneuvers and tricks, jumping and clearing objects. Since forward flight does exist also the rider will employ angle of attack strategies as well.

If the rider decides to slow down or turn directions then they will simply pivot the board into the relative when and use that to slow down and change directions. During this transitional phase flight the airflow coming at the bottom of the hover board will need to be trapped and redirected back around thru the turbines rather than fighting them so the rider can zoom off and the other direction.

One other consideration to all this is that the rider's feet or shoes will get in the way of the airflow and since they will be adjusting their feet position for stability, it makes sense to have a raised platform where the rider will stand away from the actual board. In doing this the Bernoulli Principle and venture effect might also be employed forcing the airflows to speed up and into the intake area for the hover blowers.

All this is possible but it will radically change the design and looks of what we consider to be a modern-day skateboard. The futuristic design will be very cool looking and like nothing you have ever seen before. Will it fly? Yes and like nothing else you have ever seen either.

What Shape will Hover Boards of the Future Be?

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The History of the Leaf Blower

!: The History of the Leaf Blower

The first recorded example of people using air pressure to remove leaves comes from Japan in the 19th century, when gardeners used bellows to clean up mossy ground.

It has been claimed by others and widely circulated around the internet that the Japanese then were the first to have the idea of adding a hose and motor, around 1970, and then sold the machines into the USA. If they did, they were by then copying developments that had already taken place in the USA and Europe.

Blowin' in the wind

The concept for the blower as we now know it started in America in the 1950s as part of agricultural crop-spraying 'mist blowing' equipment.

Some key early milestones are as follows:

1950 Echo Inc. of the USA (also an early hedge trimmer manufacturer) introduce the first engine-powered backpack duster/sprayer. It is used to dispense pesticides in nurseries and on crop farms.

1951 Public Works Director of Hartford Connecticut, Charles Cook, has the idea of using two of their snow blowers to remove leaves. He warns they 'can only be used when leaves are wet because dry leaves would be blown for blocks...'

1955 Echo create the backpack duster/mist blower DM-9.

Late 1950s Consumers are found to be dismantling the chemical dispensing equipment and just using the powerful blowing unit. Manufacturers see the potential and begin to make leaf blowers for commercial applications. These are 'walk-behind' or backpack machines. (It is claimed by a Wikipedia contributor that one Dom Quinto was the inventor of the modern leaf blower in the late 50s, but there is no corroboration of this entry and it may be fanciful or mischievous).

1959 H.L. Diehl, an ex-Pratt & Whitney jet engine technician, develops what his company claims 'the first walk-behind lawn vacuum and leaf blower'.

1963 One of the first examples of a backlash against leaf-blower noise when the city of White Plains takes action following complaints.

1960s The Dutch Vandermolen company is making and exporting a 2-stroke engine backpack blower.

1966 H.L. Diehl re-brands his company as Giant-Vac. They introduce a range of machines.

1969 Giant-Vac introduce the first leaf-loading machine that collects leaves as well as blowing them around.

1971 Echo unveil their PB-9 petrol-engined backpack blower, which widens the appeal of leaf blowers to smaller users.

1978 Echo launches probably the first petrol hand-held power blower. Domestic users and commercial landscapers now have access to a blower, and soon more manufacturers (including McCulloch, now part of Swedish multinational Husqvarna) enter the new market. In Los Angeles legislation is mooted to curb 2-stroke engine pollution: thus begins the movement to make producers switch to cleaner 2-strokes, 4-strokes, or electric power.

1985 US backpack sales 75,000. Weed Eater begin producing a hand-held petrol-powered blower.

1987 US total sales 464,000.

1989 US sales 800,000. Stihl of Germany, the chain saw innovators, launch backpack blowers. They become a leading force.

1997 Over 1 million US sales.

1998 Los Angeles bans the use of petrol blowers within 500 feet of a residence, and promotes a powerful (but quieter and less-polluting) electric blower design.

1999 US sales 1.9m: 1.6m hand-held blowers and 290k backpack blowers.

2003 Electrolux patents a variable-speed electric leaf blower. (This is today copied by Black & Decker, Ryobi and others).

2004 Briggs & Stratton buys out Giant-Vac and creates a Yard Power Products Group focusing mainly on commercial markets.

2007 First recorded game of leaf blower hockey is played in Toronto.

Late 2000s First 4-stroke motors appear to meet tougher emissions laws in various US states and in other countries. Cordless battery models become viable due to more powerful Nicad and lithium-ion batteries, e.g. Ryobi models with 120mph/ 193 km/hr air speed.

Prevailing winds

Recent trends in leaf blowers:

Machines have got quieter: many petrol-engined models now emit less than 65dB at 50 feet, whereas older machines were 70-75, which in decibel terms is hugely greater. Operators' hearing could be impaired by these old devices. (It is still recommended that ear defenders be worn by any user). The move to electric (corded or cordless) has also reduced average machine noise.

Brands that claim excellent emissions reductions in their petrol models include Echo; Hitachi, whose 2-stroke Pure Fire motor meets the US Phase 2 and Euro Stage 2 regulations; and Makita, who have gone over to 4-stroke engines, including the world's lightest 4-stroke handheld machine at 4.4kg (the equivalent Hitachi 2-stroke is 3.9kg so that is a fine achievement for the traditionally heavier engine technology).

There is increasing popularity for the more versatile vacuum/blowers that can also suck up dust or gather leaves and mulch them before collecting them in a bag to avoid the collection chore, as well as aiding the composting process. Electric and petrol combination machines now abound, from lightweight Flymo and Black & Decker models to wheeled hand-push devices from GMC and Warrior and powered-wheel machines from Billy Goat. Suction machines also counter criticisms that simple blowers raise harmful dust and are damaging to nearby plants. Their extra versatility may well be appreciated more and more in years to come.

Other innovations include electronic 'Touch Start'12V battery starting on petrol machines (from Ryobi) to avoid the chore and uncertainty of pull-cord starts. Others have an easy-start carburettor to make the pull leas onerous.

The early history of the leaf blower has been somewhat affected by controversy but it is undeniably popular and it has a permanent place in garden and commercial applications due to the much greater productivity that it affords when compared to a man with a rake and spade. Machines will continue to improve and get greener, and consumer choice will grow even further.

The History of the Leaf Blower

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How to Find an Environmentally and Pet Safe Ice Melt Product

!: How to Find an Environmentally and Pet Safe Ice Melt Product

Living in the Northern part of the US or any part of Canada brings with it the inevitable change of seasons.

There's a lot of really great things about it from beautiful spring mornings, cool fall evenings when a campfire, and all the fall smells are welcome. In between you get the varying temperatures in the summer with fishing, hiking, all kinds of other outdoor activities, and in Minnesota where I currently live, mosquitoes the size of World War II aircraft. The other inevitability would be winter. Winter for many is a time of different indoor, and outdoor sports activities from basketball and hockey, to skiing, snowboarding, hunting, and Mall walking. Is that actually a sport? So much for the fun stuff.

In between the weekends when we can get out and have fun with winter sports we all have to do with the time in between, otherwise known as the work week.

That's the fun time when you have to be up in what seems to be the middle of the night. After all, you have to get the kids ready for school, get ready for work, and once it's light outside, look out to discover that there was a foot of snow over night. It's a beautiful sight if you could only stay inside, but you can't. So now it's time to get out and clear the driveway so you can get out and get to work. That's assuming the car will start since it's now below zero.

So you get the sidewalk, and the driveway cleared, and try to get the dog to go outside. Good luck. He doesn't like the cold. So you've got the kids on the bus, and are all sweated up from shoveling snow, so you try to get quick shower before leaving for work. You've managed to get all of that done. You pull the car out of the garage, and bolt out the door toward the car. All of a sudden, your feet leave the ground. They are now passing your eyes in an upward motion. And just as soon as that happens your shoulders hit the pavement, followed by your head, and finally your feet. It's not a good day.

All kinds of thoughts rush through your mind. Where's the phone number for my chiropractor? Are my parents the "snowbirds" having a good time in Arizona this morning? And finally. Why didn't I buy some ice melt when I was at the store last weekend. Yes, it's a necessary evil. And by the way, if you are wondering by now why the previous few paragraphs were so graphic, guess why? As they say "Been there, done that." Way to many times.

So now we get to the real reason for this article. Ice melt. Yah, it melts ice. Sometimes. It thaws a little, then refreezes. Not all of it. Some of the chunks are so big that you could twist your ankle from stepping on one. So you put more down on the bare spots, and repeat until spring. Within a few days however, your sidewalk is white from the salt dissolving. As a matter of fact, so is your tile inside the house, and the hardwood floor, and the carpet, because unknowingly everybody has been tracking it in. Including the dog. Dogs don't like salt on their feet. So guess what? They lick the salt off. And, within a very short time they are getting sick from the salt. Isn't winter fun?

What would you say if I told you that there was a none salt product that is safe for pets? What if the same product would stay on your sidewalk longer melting the ice, and allowing the air to dry it up?

What if the same product would not kill your lawn, or your shrubs which inevitably get covered with snow from the driveway, by way of the new snow blower that you had to buy, due to your back injury. And, what if this same product did not track salt onto your tile, hardwood, or carpet? Well guess what?

There is an all natural stone product that is found in some western states. It can very easily be ground to about the size of a BB. Due to it's size it covers much more area, and works longer than typical rock salt or salt/sand mix. It has a slightly reddish tint so you can see where you are spreading it. And best of all, it melts ice and snow. Even below zero. And now it's available for commercial, industrial, public or residential use.

How to Find an Environmentally and Pet Safe Ice Melt Product

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DMI Sports HT280 Extreme 7-Foot Air Hockey Table

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Introducing Extreme Hockey - The Ultimate in High Speed Table Hockey from DMI Sports. This optional feature is a visual "blind" that is mounted above the play surface in the middle of the table. The blind prevents the player from seeing the puck until it passes the center line, giving players less time to react to the puck. This makes the pace of play intense. The Extreme Hockey can be adjusted to three height positions for varying levels, or it can be removed (in seconds) for standard play. Table features include Full aluminum rails, Durable scratch resistant surface, Arched leg design, and dual blower motors.

• Set Of 2 Strikers & 2 (2-1/2" ) Pucks
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!: DIY Air Hockey Table

Do you want to build your own? This five-star instructable teaches you how to make your own air hockey table: www.instructables.com !

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