| Using Underbelly Cone with Slots Facing Up On | | | | shape of the underbelly cone will actually be |
| a Helicopter to Increase Payload and Liftoff | | | | the shape of a wing, but hydraulics will fold |
| Force. Picture a helicopter model sitting on | | | | it into the shape of a cone after landing. |
| top of a funnel. The edges of the bottom of | | | | The wing will be used to slow decent and also |
| the funnel on the table has an additional lip | | | | to help with softer landings by adding to the |
| on it which raps around the edges with a | | | | ground cushion while landing.The cone can |
| little space between it. At the rotor blades | | | | pivot at the C.G., which can also help as the |
| force air under the helicopter into the | | | | transition is made from hover to forward |
| ground cushion below they are forces into the | | | | momentum as the collective is pulled up. |
| inside of the cone. As the pressure build | | | | Since the top of the cone pivots on the |
| under it, it forces all that energy to the | | | | bottom of the helicopter the angle of attack |
| helicopters C.G. (Center of gravity). This | | | | in the wing configuration will also be |
| continues as the helicopter lifts up.It will | | | | adjustable. During rapid decent the inherent |
| cost us about $10,000 to build a prototype of | | | | manufactured material will also be somewhat |
| this concept. Using a RC helicopter like one | | | | folded so the wings will curl down and will |
| of these. Which will be a smaller model of an | | | | mimic wing tips of a "Swift" bird for |
| existing helicopter. We also plan to use some | | | | high-speed dives. The swift can dive at up to |
| of the most recent micro helicopter | | | | 217 mph.Now then as it comes in for landing |
| technology as practice versions. We figure a | | | | the wing is used as a barrier to trap air |
| micro version will cost us about $15,000 or | | | | underneath for an air cushion, for trouble |
| less to perfect. RC Type Prototype platform | | | | free landings.The micro helicopter could be |
| to start tests prior to wind tunnel to prove | | | | enough to transport a hamster or mouse, even |
| concept: Helicopter Platform starting point: | | | | with the small six-inch rotor blades and |
| Cone Wing Shape: the aircraft is off the | | | | six-inch wing when extended. We are currently |
| ground, which requires a lot of thrust, the | | | | making pictures, artist renderings and a |
| cone unhooks itself and spreads out into the | | | | design. There are many uses for this micro |
| shape of a wing similar shape to a bat. To | | | | helicopter concept for MAV style surveillance |
| show you the shape of the wing. Do this: Take | | | | and nano or insect size MAVs.On the larger |
| a piece of paper and make a circle on it, six | | | | model helicopters and actual full size human |
| inches in diameter. Now cut that circle out. | | | | version units, the cusp of the cones slats |
| Then pick the center and make a dot, then | | | | will act like slots or slats do on Short Take |
| make one cut into the center. Now fold the | | | | Off and Landing STOL Aircraft. This concept |
| circle into itself to make a Yarmulke. Now | | | | makes a lot of sense for many reasons, we |
| fold it into a cone. This is the cone we will | | | | still are working through the types of |
| use. Now unfold it to the original circle. | | | | materials to be used, strengths and |
| Now make another cut to the center exactly | | | | manufactured material concepts to provide for |
| opposite of the first cut. But do not cut it | | | | rigid shape while flying, but bendable for |
| all the way thru, leave half and inch to keep | | | | cone structure yet, strong enough to support |
| the circle from becoming two halves. Now fold | | | | the weight of the helicopter. Luckily the |
| the circle the other way but keep it flat, | | | | vertical strength of the cone can be |
| this is the shape the cone will become in | | | | manufactured as the primary objective, yet |
| flight. A bat shaped wing. With a little | | | | the unbent material can be flexible for the |
| anhedral bowed into the leading edge as it | | | | wing configuration. Many choice to look at. |
| sits under the helicopter.The manufactured | | | | |