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X-Plane 11 | The Cessna 172 Electrical System

TODAY'S QUESTION: If you turn off the master switch while in flight, what will happen? To find out, we need to dig into our understanding of the electrical system in the Airfoillabs Cessna 172 for X-Plane 11. Flying around the island of Molokai near the Kalaupapa Airport (PHLU) in Hawaii, take in the incredible scenery as we explore the airplane's electrical system.
In this video you will learn about the following in the Airfoillabs Cessna 172:
1. The circuit breaker layout
2. How the systems connect using an electrical bus
3. How the ammeter works
4. How the flow of the electrical system keeps the airplane running
5. What happens if the master switch is turned off in flight
Mapping of Avionics Bus 1 and 2 components for the Airfoillabs Cessna 172:
Avionics Bus 1 - Cabin light, Clock, Warning lights, G430 GPS, Flaps, Intercom, Fuel Pump
Avionics Bus 2 - Com/Nav 2, ADF, Transponder, Autopilot, DME, Instrument Lights, Beacon, Landing Light, Taxi Light, Nav Lights, Strobe, Pitot Heat.
Make the most out of your flight simulator experience or use the flight simulator to practice as a student pilot or beyond. Note that while the features of this unit in X-Plane closely mimic those of the real unit, there are some differences. This tutorial should be used for X-Plane purposes only. However, gaining a familiarity with this system will likely aid in your transition to units in the airplane.
Visit www.Clayviation.com for more and while you're there, subscribe to the weekly blog!

Пікірлер: 101

  • @oystercatcher943
    @oystercatcher9432 жыл бұрын

    Old video now but massively educational for me, now getting into x-plane. It’s fantastic to hear about the depth of realism in simulating these systems.

  • @clayviation

    @clayviation

    2 жыл бұрын

    Great to hear, Adrian! Welcome to X-Plane.

  • @jankin880
    @jankin8806 жыл бұрын

    Everytime I find somebody on You Tube who is good at teaching and explaining .....I am a happier man .....thanks.... I subscribed

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks for the kind words, Jan! Lots more to come.

  • @withgrowinginsanity198
    @withgrowinginsanity1982 жыл бұрын

    Good information transfer pace, calm voice, top video, thank you

  • @clayviation

    @clayviation

    2 жыл бұрын

    Thanks, with growing insanity!

  • @nonkelbeer251
    @nonkelbeer2516 жыл бұрын

    Thank you and congratulations. Your videos are awesome ! You must be a very good pilot, it’s clear for everyone. Your are also an X-Plane expert, we all agree with that. But, for sure, you are a very, very good teacher. That makes your videos so brillant. Your explanations are clear and concise. Please continue. We have a lot to learn.

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks for the generous comment, Nonkelbeer! Expert might be a stretch, but I'm happy to share what I learn. :)

  • @roeydaz
    @roeydaz3 жыл бұрын

    Super explanation! Even though I’m only a simulator pilot I love the Cessna 172 and try to learn everything about it! This was a great demo. Thanks Clay!

  • @clayviation

    @clayviation

    2 жыл бұрын

    Thanks, Rohit!

  • @VibeXplorer
    @VibeXplorer6 жыл бұрын

    Very educational! I learned a lot here. This is a testament to the depth of the AirfoilLabs 172. Great add-on...

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thank you! Yes, it has been my favorite airplane so far. Well made and great to fly.

  • @gavintitan8796

    @gavintitan8796

    3 жыл бұрын

    i realize I'm pretty randomly asking but do anybody know of a good place to stream new movies online?

  • @mathiasuriel6002

    @mathiasuriel6002

    3 жыл бұрын

    @Gavin Titan flixportal :P

  • @gavintitan8796

    @gavintitan8796

    3 жыл бұрын

    @Mathias Uriel Thanks, I went there and it seems to work =) I appreciate it!

  • @mathiasuriel6002

    @mathiasuriel6002

    3 жыл бұрын

    @Gavin Titan Glad I could help :)

  • @Brutalwhan
    @Brutalwhan6 жыл бұрын

    Another well explained and clear video. Great work Clay :-)

  • @billyzang8264
    @billyzang826410 ай бұрын

    Awesome explanations!

  • @JP-eq3sm
    @JP-eq3sm2 жыл бұрын

    Awesome tutorial and info... thank you!!

  • @manuelg6618
    @manuelg66182 ай бұрын

    Enhorabuena por el video

  • @billyjay4672
    @billyjay46724 жыл бұрын

    Very interesting although I'm a newbie it's good to know that I don't really have to panic in case anything goes wrong. Appreciated. Thanks.

  • @clayviation

    @clayviation

    4 жыл бұрын

    Glad you found it helpful, Billy!

  • @HieuNguyen-yq8gz
    @HieuNguyen-yq8gz6 жыл бұрын

    Wow, by far the most informative instructions on electrical systems. Keep this up!!!

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks Hieu!

  • @Random_Vince
    @Random_Vince6 жыл бұрын

    Wow!!! Amazing video, with great details and visuals. Great Job!!!

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thank you, Vince!

  • @zacharycahill2314
    @zacharycahill2314 Жыл бұрын

    thank you so much this was very helpful

  • @luke4362
    @luke43623 жыл бұрын

    Dude thanks so much this will help me on my PPL checkride! I had no clue that the numbers on the circuit breakers meant the amps that flow to that system. So much information explained in a very interesting way.

  • @clayviation

    @clayviation

    2 жыл бұрын

    Great, Luke - good luck and just be sure to compare anything you see here to your flight manuals and with your instructor. Many differences exist in the sim world, as real as it is, and I want to make sure you get the best information from an instruction and other official sources.

  • @MonishJohnson
    @MonishJohnson6 жыл бұрын

    Really a very well and nicely explained video. Please do make more like these.

  • @clayviation

    @clayviation

    2 жыл бұрын

    Thanks, Monish. I hope to produce more soon.

  • @matthewlaslop9907
    @matthewlaslop99076 жыл бұрын

    Thanks for all the Info!!! I love this!

  • @clayviation

    @clayviation

    6 жыл бұрын

    Absolutely, Matthew! Thanks for watching!

  • @jhbf
    @jhbf3 жыл бұрын

    IRL, avionic buses do not turn off the flaps, the fuel pump or the annunciator (warning) lights, they are not avionics. They are all connected to electrical bus #1 instead (C172SP POH).

  • @stephengaut2367
    @stephengaut23673 жыл бұрын

    great information thank you for making it so simple !

  • @clayviation

    @clayviation

    2 жыл бұрын

    Thanks, Stephen!

  • @madelinevicioso7980
    @madelinevicioso7980 Жыл бұрын

    It finally clicked thank you

  • @E787Z
    @E787Z3 жыл бұрын

    Finally I understand this. I got unsat because of this question. I feel stupid.

  • @silverskaden
    @silverskaden4 жыл бұрын

    I fly here all the time, good for cross country time from Oahu. 2000 foot runway, such a great flight!

  • @clayviation

    @clayviation

    4 жыл бұрын

    Sounds amazing, Kaden. So cool that you get to fly this!

  • @DaveBrown1
    @DaveBrown16 жыл бұрын

    Another excellent tutorial from clayviation.

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks Dave - you're just saying that cause I flew you around Hawaii :)

  • @nihadashrafov6877
    @nihadashrafov68772 жыл бұрын

    thx man!!! you are the BEST!!!❤

  • @rachelmaxwell3309
    @rachelmaxwell33095 жыл бұрын

    This was great - going in for my commercial this week. Thanks!

  • @clayviation

    @clayviation

    5 жыл бұрын

    Best of luck with your Commercial, Rachel!

  • @childish8469

    @childish8469

    3 жыл бұрын

    did you pass?

  • @johnwiggy1159
    @johnwiggy11596 жыл бұрын

    Excellent, explained so much. Thank you

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks for watching John!

  • @pirexengaer
    @pirexengaer6 жыл бұрын

    Excellent video!!

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks for watching Ivo!

  • @imarocker66
    @imarocker665 жыл бұрын

    Nice! when I finally make the jump to X-Plane I'll have to get the Airfoillabs Cessna 172. This sim is a great place to practice system failures and emergency checklists... if it's modeled correctly ;-)

  • @clayviation

    @clayviation

    5 жыл бұрын

    Agreed - there will always be differences in how airplanes are modeled, but the real value comes in the “chair flying” benefits of running through checklists and mentally rehearsing.

  • @bobbysmith7101

    @bobbysmith7101

    4 жыл бұрын

    Too bad Microsoft flight sim 2020 is almost out.

  • @royalt6938
    @royalt69388 ай бұрын

    This is great. I'm gunna get xplane

  • @joeb2522
    @joeb25223 жыл бұрын

    Great presentation! Unless I missed it, you didnt show system voltage with the alt off, should be about 24 volts. With alt back on should be about 28 volts charging with pressure to make sure batt is fully charged at at 24volts. Also with stock X-plane 11 cessna 172, you cant turn off batt side of master switch without turning off alt side also. Again, thanks for presentation.

  • @BerndSchmitt-Martinique
    @BerndSchmitt-Martinique5 жыл бұрын

    excellent video CANT BE DONE BETTER greetings from germany engineer 68 yo

  • @clayviation

    @clayviation

    5 жыл бұрын

    Thanks Bernd! Greetings from Georgia - hope you are well.

  • @timquain5341
    @timquain53416 жыл бұрын

    Very interesting! I think I'd like to understand the engine a bit more. I didn't quite grasp how the spark was still being generated when all electronics were switched off. I think my confusion is in that I am not familiar with how magnetos work. I might do some youtubing to see if there are and visual explanations. Then I'll come back to this clip. Thanks!

  • @clayviation

    @clayviation

    6 жыл бұрын

    Yes that’s a good approach. Understanding that the magneto is like a mini alternator helps conceptually.

  • @childish8469
    @childish84693 жыл бұрын

    thanks for the video and to the first question: you'd lose avionics, lights, and gauges. but your engine would stay.

  • @anthonyescribens
    @anthonyescribens5 жыл бұрын

    Excellent! Thank you!

  • @clayviation

    @clayviation

    2 жыл бұрын

    Thanks, Anthony!

  • @tatomix69
    @tatomix69 Жыл бұрын

    It appens that if I switch on Master ad I waste time doing something when I try to start engine doesn't start... How can i solve this problem?

  • @danphr3495
    @danphr34956 жыл бұрын

    Fantastic, thanks so much.

  • @clayviation

    @clayviation

    6 жыл бұрын

    Absolutely, Dan! Thanks for watching!

  • @DaugBiscuit
    @DaugBiscuit6 жыл бұрын

    Great video, I learned some things I didn't know. One question, did you ever determine why the DME breaker was thrown? If you covered that in the video I missed it and will have to go back and review again. FYI, I love your videos, you are a very good instructor. Thank you for sharing your knowledge and experience.

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks DaugBiscuit! I think it might have just failed with the others, but I’m not certain I ever pinpointed when it happened. Thanks for flying along!

  • @joserangel4904
    @joserangel49043 жыл бұрын

    Hi Clay, awesome tutorial! I just wondering how did you do to interact (pull and push) with the cockpit breakers. I tried to do the same you did in the video but the breakers are not doing anything when I'm clicking on them. Thanks in advance for your help!

  • @clayviation

    @clayviation

    2 жыл бұрын

    Hi jose - that is a feature that the Airfoillabs Cessna 172 has. I’m not sure that is possible in the default one.

  • @lukehobson5101
    @lukehobson5101 Жыл бұрын

    What is the inst circuit breaker can’t find it in the poh at all

  • @mariovella4816
    @mariovella48165 жыл бұрын

    Great Videos ! Very intuitive.

  • @clayviation

    @clayviation

    5 жыл бұрын

    Thanks Mario!

  • @samrega9842
    @samrega98425 жыл бұрын

    Thank you.

  • @GIFTYOLAMU-mu5xe
    @GIFTYOLAMU-mu5xe Жыл бұрын

    I like it

  • @MizaProductions1
    @MizaProductions14 жыл бұрын

    I keep getting the volts light and I have no clue why it turns on. I’m new to the sim/flying in general, even on tutorial it sudden turns on and doesn’t turn off. I only have the yoke from honeycomb. Any help on this? I searched the manual, it says what it is but does not tell me how to solve it. Thanks

  • @clayviation

    @clayviation

    4 жыл бұрын

    The “Volts” light indicates that the alternator is indicating a discharge. It is often seen when running a very low RPM with a heavy electrical load (like during taxi). In this case, it just means that the engine isn’t spinning the alternator at a rate sufficient to keep the battery charging. Is this when it’s happening for you? If so, try throttling up some, maybe to around 1000rpm.

  • @MizaProductions1

    @MizaProductions1

    4 жыл бұрын

    clayviation it happens on all the tutorials, about 1 minute in the air, it’s starts to do this sound and turns the volts light on, yet I have my rpm at around 2200rpm as I climb to 1500 ft.

  • @MizaProductions1

    @MizaProductions1

    4 жыл бұрын

    clayviation I look at many videos and do exactly as they do and I still get that noise/warning

  • @MrRogiphil
    @MrRogiphil2 жыл бұрын

    Great information thank you, but in real 172 you cannot move battery to off without the alternator.

  • @GoldenTweezer
    @GoldenTweezer6 жыл бұрын

    Hi Clay, awesome tutorial :) Quick question and I apologize if I didn't understand something that you've explained in this tutorial. I understood that the battery/alternator sends power to the magnetos which then sends current to the spark plug. So if I have the battery and alternator switch off, where are my magnetos getting the power from ? since the aircraft keeps flying even with the master switches off.. Thanks for any info :)

  • @clayviation

    @clayviation

    6 жыл бұрын

    Thanks Elvis! No apology needed for good questions. The magnetos are small electrical generators that are driven my the physical rotation of the engine. So if the battery and alternator are off, the engine effectively runs independent of them since the turning of the engine powers the magnetos and the magnetos supply the spark for ignition in the engine cylinders.

  • @funkndrucked
    @funkndrucked6 жыл бұрын

    informative!

  • @TangodownNZ
    @TangodownNZ5 жыл бұрын

    Very good. 🙏

  • @clayviation

    @clayviation

    5 жыл бұрын

    Thanks, Hailstone!

  • @sfpulley
    @sfpulley6 жыл бұрын

    My instructor actually turned off the ignition and put the key in his shirt pocket. The resulting "engine failure" was not just a "throttle to idle" simulation. He'd "hide" the auxiliary practice grass strip directly under the aircraft. And we'd dead stick spiral to landing. If we were setup well for landing, then he'd give me the key back and I'd restart the engine. Or it would be a soft field landing to a full stop.

  • @deanuw
    @deanuw4 жыл бұрын

    Hi Clay thank you for the video. One question, if I had to turn off one or both Avionics switches mid flight, from reading your description it sounds like I would lose lights, pitot heat and flap control (along with other things). But during preflight we test those three things after turning off the avionics switch in a 172. I must be misunderstanding something and was hoping you could clarify? Thank you!

  • @clayviation

    @clayviation

    4 жыл бұрын

    Great question, Dean, and I’m stoked that you are thinking about this so critically. Here’s what I can tell. I can’t speak for every airplane, but in this Airfoillabs Cessna 172, having the master switch on with the avionics master switch off will indeed allow flaps to operate, just like when you preflight and pop the master on to lower flaps. If the circuit breaker for the Avionics Bus 1 is pulled, the power supply is then broken to the items listed, including the flaps. So my takeaway from this learning is that by knowing the items that are on each of the avionics busses, it might provide insight into what would be lost if those circuit breakers were to pop.

  • @deanuw

    @deanuw

    4 жыл бұрын

    @@clayviation Ah my misunderstanding thank you for the reply! Again thank you for these videos!

  • @clayviation

    @clayviation

    4 жыл бұрын

    Thank YOU for the great question! The truth is, since you and I have now paused to dig a little deeper, we have that much more of an edge on understanding these systems.

  • @deanuw

    @deanuw

    4 жыл бұрын

    Thank you and take care!

  • @hassanshan91
    @hassanshan916 жыл бұрын

    Love the video. Thank you so much. I still have a qusstion though. What is avionic bus and primary bus. Like when you turn off the avionic bus we lost most of the things such as gps clock. But what would happen when primary bus goes off. What supports primary bus and what supports avionis bus? Thanks

  • @clayviation

    @clayviation

    6 жыл бұрын

    Most POHs have a map of what equipment is tied to each bus, and it varies. I had to try each one and make a list of the items on the busses in this particular airplane.

  • @abdullazizwadi8934
    @abdullazizwadi89346 жыл бұрын

    WHY my cessna plane getting turn off when im trying to take off

  • @zipper978
    @zipper9786 жыл бұрын

    the egt gauge is bothering me. must enrich

  • @tonymerlot9305
    @tonymerlot93056 жыл бұрын

    default molokini or ortho4?

  • @clayviation

    @clayviation

    6 жыл бұрын

    These are all default settings in this video.

  • @mariogayoso
    @mariogayoso4 жыл бұрын

    What partner is this and how do I add it?

  • @clayviation

    @clayviation

    4 жыл бұрын

    Hey Mario! I’m not sure what you mean by partner. If you are referring to the airplane, it’s the Airfoillabs Cessna 172. Cheers!

  • @mariogayoso

    @mariogayoso

    4 жыл бұрын

    @@clayviation sorry I meant plane !!

  • @mariogayoso

    @mariogayoso

    4 жыл бұрын

    @@clayviation how can I get that plane mate ?

  • @clayviation

    @clayviation

    4 жыл бұрын

    Mario Gayoso check it out here: www.airfoillabs.com/x-plane-c172sp