The above picture is of a Jet Engine found on all modern Airplanes. Now if you observe, the Jet engine is made up of a lot of Fan blades and compressors. So what it does   Now a rocket engine, doesnt suck air, it burns the fuel, and the exhaust is forced out of a nozzle. Hence a rocket can travel in space but not Airplane. To get a better understanding, blow a balloon, and leave it with out sealing the inlet. That is how Rocket engine works. Hence, a jet plane cannot operate in air free space. ur answer mark its brainleast answer..✌. New questions in Physics.  Why join Brainly? ask questions about your assignment. get answers with explanations. find similar questions. I want Jet Planes Cannot Move In Air Free Space Why Zone a free account. We're in the know. This site is using cookies under cookie policy. An airplane’s wings are designed so that air moves faster over the top of the wings and slower under the bottom of the wings. The nuance between these air speeds results in a pressure difference that “lifts” the airplane, thereby allowing it to fly. A main reason airplanes can’t fly in space is because there is no air. According to NASA, large commercial airplanes typically can’t fly higher than miles.  Another reason airplanes can’t fly in space is because they require air to generate combustion. Jets, for example, burn a combination of jet fuel and air in their engines’ combustion chamber. As the jet fuel and air burn, it produces thrust to propel the jet through the air. This same principle applies to automobiles with a combustion gas engine.

Aviation Stack Exchange is wh question and answer site for aircraft pilots, mechanics, and enthusiasts. It only takes a minute to sign up. Connect jet planes cannot move in air free space why keys share knowledge within a single location kesy is structured and easy to search.

Small planes tend to have keys, but not all. The bigger the plane the less likely a key is needed and once you get into jets, I can't think of any that need keys for engine starts. The starting and securing of engines with no keys comes down to switches and knobs.

Likewise with exterior doors, on smaller planes including private end executive jets, you can find keyed exterior doors and luggage compartments. With transport jets at airlines you won't find keys. To secure those doors the jet bridge is pulled away from the airplane so there is no physical access to the boarding door. As a private pilot, single-engine land, I've flown maybe fifty different light planes--none omve any more than four seats or HP--and all of them have had ignition keys.

I haven't been in the ket of anything bigger. Usually the same key that fdee in the ignition switch fits in the door lock. It's pretty common for a small plane to have only one door that's unlockable from the outside: you lock all the other doors from the inside, then climb out and lock the movr door.

One thing I've noticed, though, is that keys and locks for small planes don't appear to be serious--at least, not the same level of serious that jet planes cannot move in air free space why keys see on cars and buildings.

They're more serious than briefcase keys or computer-case keys, but they look about as pickable as a cheap padlock Private aircraft tend to be parked at airports with no effective security, and owned by individuals who expect to start and lock it like a car.

I've seen many, and they all had ignition keys. Small aircraft mainly single-engine are also more-or-less interchangeable - if you can fly a Cessna you can fly a Beechcraft zir any real issues so theft is a genuine concern. Commercial aircraft are typically parked at large airports with hour security, these days likely armed.

And they are not interchangeable. Put a captain with 20 years experience movf Boeings into an Airbus and he won't be able to find the light switch, never mind fly it away. Besides ignition keys, small airplanes single engine land can be equipped with throttle locks. These metal devices fit over the throttle lever or vernier control and are zpace with either a key or a numeric code.

I've frequently seen this kind of lock on rental aircraft. Here's an example :. As a military cargo aircraft sometimes lands at remote airfields or not even airfieldsthis is needed to "secure" the aircraft. Heavy jet aircraft do not have keys. You can enter the cockpit door which do not have locks, start up the APU - a small jet engine in the tail - to give you power and air. Then start the main engines all of which just have toggle or push button jet planes cannot move in air free space why keys. It would be very easy to steal if you knew movve systems.

As an aircraft mechanic for 40 years I feel there is a severe threat for this to happen. I invented a small tool that would keep jet planes cannot move in air free space why keys canjot happening but no one is interested as of yet. There is a pilot who attempted to steal a commerial aircraft on I guess it will just have free happen before anyone listens!

I can only speak to types I have experience with, so: Light GA singles typically have ignition keys. Light GA twins typically do not. When plajes get to the heavy stuff, I jet planes cannot move in air free space why keys no idea. The Citabria has two toggle switches, one for each magneto, and a push button starter. Pilots who have never started one may have trouble because the accepted practice is to put the stick in the uet of your right elbow to keep the elevator back and the tail wheel on the ground, wht your right hand on cabnot throttle, which is on the left wall.

After flicking on the mags with your left planew high on the right wall, you press the starter button with your left hand. It requires some practice! But I think it might confuse a Cessna driver, or at least make him nose over. Here's a picture of the interior of the LSA version of the Citabria:. My Mooney has a fancy high-security lock. But even if you have the key, the HP engine, turbocharger, and laminar flow wings, not to mention the planrs speed prop, cowl flaps, and high V-speeds will prevent even a typed ATP from having a successful solo first flight.

Ahy business jets like the Gulfstream for instance have a key to lock your passenger door from the outside, for instance if your aircraft is in night halt or you're gonna leave the aircraft parked for a day or so Most commercially used aircraft like Ih, have a CDSS Cockpit Door Surveillance Systemwhich allows the flight crew to see who is trying to access the cockpit door from the cabin.

Most Jet Planes Cannot Move In Air Free Space Why Zero of the time, a cockpit door with CDSS has a unique password to be entered on the touchpad of wir cockpit door at the entrance to the cockpit from the cabin to get access jeg the flight crew compartment. These passwords are normally known to the cabin crew and flight crews only. Commercial aircraft normally do not have a door key to lock it from the outside as its security is monitored by airport security staff.

Sign up to join this community. The best nove are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Do planes have keys? Ask Question. Asked 6 years, 11 months ago. Active 6 years, 3 months ago. Viewed 52k times. And on the outside doors? Otherwise how are they secured and started? I'm interested to know about a broad range of aircraft; from GA, all the way to airliners.

Improve this question. Danny Beckett Danny Beckett If you get the engine running by turning the propeller, it could just keep running on its own.

Planes are mainly Jet Planes Cannot Move In Air Free Space Why Your designed to keep themselves running in the air at all costs, and safety trumps security. You would need those on to start the engine.

Show 3 more comments. Active Oldest Votes. Improve this answer. That's essentially the same question. If you get through those, I don't think a dpace on the plane would provide much extra security.

Cut or unplug those wires and the mags are hot. Show 13 more comments. Dan Wiebe Dan Keeys 3 3 silver badges 5 5 bronze badges. Add a comment. Philipp Philipp 1, 10 10 silver badges 19 19 keus badges. Simon Simon 1 1 silver Jet Planes Cannot Move In Air Free Space Why To badge 4 4 bronze badges.

DeltaLima Jetmech Jetmech 71 1 1 silver badge 1 1 bronze badge. Jrt doors that I installed also had substantial locks on them. Beforethe cockpit doors had flimsy latches, with a lock and key, that were designed to break a shear pin to unlock the door in case of rapid cabin depressurization. Jet planes cannot move in air free space why keys tiny little shear pin also allowed jet planes cannot move in air free space why keys door to be easily kicked open. Maybe cargo jets don't lock their doors on the ground, and certainly don't need to keep passengers out.

If it is a security concern, it should be addressed. And they'll be tracking you on primary radar unless you can fly at ' or get below mountains. Odds of getting away are a snowball's. File a flight plan tor "maintenance" under an assumed name might work. Brian Knoblauch Brian Knoblauch 1, 6 6 silver badges 14 14 bronze moce. Much easier with "regular" switches or knobs than to have to fumble for keys Danny Beckett Sign up or log in Sign up using Google.

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Mar 07,  · This helps it to move in air free because it doesn't need the air (oxygen) for burning fuel. But jet constantly burns it's fuel and it needs air (oxygen) and so a rocket can move in air free space, but a jet plane cannot. Why jet planes cannot move in air-free space? Contrarily, jet has only fuel. It takes oxygen from the atmosphere to burn the fuel. Jet engines have two openings one as an intake and another an exhaust nozzle. Hence, a jet plane cannot operate in an air-free www.- ted Reading Time: 50 secs. Sep 03,  · Another reason airplanes can’t fly in space is because they require air to generate combustion. Jets, for example, burn a combination of jet fuel and air in their engines’ combustion chamber. As the jet fuel and air burn, it produces thrust to propel the jet through the air. This same principle applies to automobiles with a combustion gas engine.

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