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Wat is the disadvantage to having 4 fins on a rocket.?
What else can I help you with?
What is the advantage of a rocket having 4 fins?
it would have more control.
Disadvantage to having fins on a rocket?
It makes it more streamlined and reduces drag and it keeps it on a good flight path and a good trajectory. Also if it falls down, it keeps it stable and on the front where it will hit the floor first it will be reinforced in some sort of way. It also helps with balance and stability, the same way that a three-legged stool is more stable than something with only two legs (like people.)
How many fin's should a rocket have?
It depends on a lot of stuffs like how much do you want your rocket to be stabile. But at least it must be 3. For example for the same stability you may have 3 fins that have large surface area or 4 which is smaller or more. When you increase the number of fins with the same surface area then the drag will increase because of the surface friction so 3 or 4 fins are generally used but there is no certain limit of the number of fins .
Why aren't the fins in the front of a rocket?
The further forward rocket fins are, the more they tend to steer it. You could mount fins at the front, but they would have to be incredibly straight and parallel for your rocket to fly straight.One of the worlds most famous anti aircraft missiles, the Sidewinder, has 4 small steering fins near it's nose. While it was being developed they found if these fins moved too quickly the main tube would actually twist and destroy itself !
How many fins do dolfins have?
4 fins
How do rocket parts affect flight?
AnswerThe fins on a rocket are just there to create stability. As long as there are enough to provide a restoring force against a disturbance, it shouldn't matter. But ...Enough means at least three, symetrically placed, with enough area so that when the rocket tips off of its path a little bit the fins provide aerodynamic force to put it straight again. If you only had two, a disturbance in the plane of the fins would not get corrected and the rocket would veer off course. With three, any tipping off of the flight path hits at least one of the fins in a way to correct the misalignment. Four works, too. Any more than that and you're just adding drag, which will shorten the flight.Note well that the key parameter is the area of the fin times the distance it's lift center is behind the mass center of the rocket. That's why something with the fins behind the engine nozzle works so well, because the lift center is behind the entire rocket. Before I knew that rule I built a seriously overpowered rocket with gigantic fins that came all the way up to the nose. Instead of flying with great stability as I expected, it jumped off the launch rod and headed for launch control, then writhed on the ground like a beached whale until the parachute charge went off.
How many fins should you put on a long range bottle rocket?
easy! get some balsa wood and a modeling knife!and cut out a simple shape!balsa wood is ok because it is light in weight, however, if your rocket has a crash landing the fins will not likely survive. I suggest something a bit more sturdy. on some rockets i have used chucks of CDs as fin material (they're harder to snap than you would think) i would also suggest arrow glue ( like the glue for archery arrows) as an adhesive for fins shape? i would check out this web site. the fin designs are not difficult to create and the shape is backed up by the Reynolds number don't know if you know any thing about that http://www.apogeerockets.com/technical_publication_16.asp.best of luck! :]
Can a surfboard have 2 3 or 4 fins?
Surfboards can have either 2, 3, or 4 fins. Some riders use just a single fin. The majority of riders use three fins.
How many fins does a shark have?
It simply has 4 fins one on the top of his body 2 at the side of its body and 1 at the back of his body
How many fins must be attached to the water bottle to give it longest airborne time?
4 to 3 fins
How many fins does a seahorse have?
Sea tutles do not have any fins. They do have 4 legs though.
How many legs do fish have?
There is no definite number of fins a shark can have. They can have one or two dorsal fins Always a caudal fin Two pectoral fins One set of pelvic fins
