Talk to us when you create the first airplane, create artificial intelligence, send satellites out of the solar system, land on the moon several times... what say you Eurotrash?
This is probably untrue (I'm not a pilot) because the take off speed depends on the weight of the airplane (passengers, cargo, fuel) so before every take off you must calculate the take off speed with all the weight on the plane and it would be different depending on the weight Sorry for nerding out
Yes, but it’s always about the same. Take the Boeing 737NG as an example, full or empty, the most difference in take off speed is made by the flaps setting. Yes, you need the engines to have a higher “RPM” (N1 Speed) to get in a safe distance to the take off speed when it’s fully loaded, but the speed at which they rotate is not thaaat much different. Of course without passengers, cargo and much fuel, when you are off the ground you can pitch way higher up for a step climb, but you always tend to rotate off the ground between 110kts and 140kts. That difference may seem like a lot, but when you take into consideration the speeds a plane is able to travel, it’s not that huge of a difference. But yes, it’s very, very, very important that the pilots calculate the V1, VR and V2 speeds very carefully, because if they would try to take off fully loaded with a speed lower than the real VR speed, the plane basically will not fly and if they pitch up too high they can tail strike the aircraft. Yes, it’s very dangerous and so very important, BUT every time you will fly in a 737, it will take off with about the same speed, and you will even get used to the moment the pilots will rotate off the ground if you fly often. Yes, there are differences, the differences are VERY important to the safety of the aircraft, but they are pretty small. The plane will be always able to fly after reaching a certain speed, that’s why they can basically take off even without calculated take off speeds (that’s, of course, illegal and CAN be dangerous), because even at full load or completely empty, the plane will fly after let’s say 150kts. But again, you don’t want to fly too fast on the ground because when you pitch up the plane will be more “sensitive” and the force you are used to pitch up at the usual rotate speed might be way too strong at a faster speed (basically you need to pitch up more gently), and so you can tail strike the aircraft..
Fun facts- The Boeing 757-200 and 300 variants is nicknamed by pilots as the 'ferrari' of the skies, it is to this day unmatched in power to weight ratio of all other passenger airliners due to either its large Rolls Royce RB211 or the Pratt and Whitney PW2000 series engines combined with its narrow, sleek, pencil like fuselage allowing for short field takeoffs. While hundreds of 757's are still in service and flying today, Boeing ceased production of the 'ferrari' in October of 2004 to make way for newer models coupled with better fuel efficient engines.
@@mauriciolandos4712 I'm not sure. GPS stands for ground positioning system, so I'd assume it wouldn't work past a certain elevation. This elevation would be fine, but GPS doesn't work at cruising altitude as far as I know.
Also that phone app isn't 100% accurate. Running a bit slow. The Boeing 757 had already reached over 100 mph in 12 seconds in the cockpit reading, not someone's phone. Most airline jets do 0-60 in just under 10 seconds with the payload of fuel, passengers, luggage, wind speed, weather, etc... So yeah, take offs a very effing powerful!
MPH is an actual speed, they are measuring ground speed by GPS. Once in the air, they are still measuring the same. MPH is just a unit and some aircraft air speed indicators are only in MPH. Airliners of course measure GPS speed, IAS, GS, TAS etc
@@TotallyTheSmile We are talking about the phone here, it’s MPH GPS ground speed. MPH is an actual speed. Airliners use knots, for ground speed too! Some small GA aircraft still have MPH as an airspeed indicator, like the Comanche.
I think it’s crazy that the plane reaches that speed with only 60-75% throttle. Imagine at full throttle how fast these things would go if they wouldn’t break apart from overspeed.kudos to engineers
@@theonewhoknows2 yeah im wondering about that. Is takeoff always FULL thrust or is there room for margin depending on conditions? for lets say, saving fuel or less wear on engines?
I have a question for someone who might know. So I watch some of those air crash videos, the one's where the pilots don't trust their instruments and crash their planes. Ok so I get their inner ears are telling them one thing and their gauges are telling them another but..... Why don't they have something like a half drunk bottle of cola on their dashboard. As when I take off I hold the bottle up to show the kids what kind of angle we are at and if we are banking or moving vertically. Surely if something like this was available to the pilot then they could look at that and tell instantly if it was them of the gauges that are wrong. Something like that It could save a plane or two.
the issue is you dont really want a half drunken bottle of cola to go flying around teh cockpit in an emergency, also when you acount for g forces it wont really tell you much more than your inner ears
Airplanes have to minimally be going 163 mph for the front wheel to take off and they can not land any less than 201mph on touch down or they will be fined
