February 7th, 2010 | 
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One of the most exciting, useful and just plain fun ratings a pilot can obtain, the multiengine rating, is also one of the most challenging. Let Sporty’s guide you through each step of the rating, from basic aerodynamics to flight maneuvers. Throughout, exciting in-flight footage, from both inside and outside the cockpit, combines with state-of-the-art 3D graphics to explain every element of multiengine flying.
• Designed specifically for pilots adding a multiengine rating to their private or commercial certificate
• Step into the cockpit popular twin trainers, including the Piper Aztec and Seminole, Beech Baron, Cessna 310 and Diamond Twin Star
• See every maneuver required on the flight test, both VFR and IFR
• Learn about important multiengine systems, like fuel, hydraulics and electrical
• Explore the various aspects of flight planning and performance calculations
This comprehensive program is much more than just test prep—you’ll learn how to manage the complex systems and higher speeds that come with twins.
Duration : 0:5:27
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there is 1 lever …
there is 1 lever usually blue what purpose is to change the bite of the prop from air.
Means during take off u need power so bite more from air.Strong power but less speed.
As u reached cruising alt u need speed not strong climbing so u can change prop angle.
U can imagine like a tread on a screw
small tread strong big sink more speed.
I hope u understood sorry about my English
It means rotating …
It means rotating the prop blade angles so they’re parallel to the wind which reduces drag when the engine is stopped.
What does …
What does feathering the prop mean?
The saying goes …
The saying goes something like this –
On an engine out on a twin, that second engine will get you to the crash site.
i’m sure not ALL …
i’m sure not ALL ENGINES turn ALL the same way, But Its pretty safe to say that your Lycomings and Continentals will have the crankshaft all spinning the same direction, just if its counterrotating it will have a designation and it is done in the gear box, not through reversing the Mags and crankshaft. All of the accessories are driven on the engine like oil pump, tach gen, vac pumps, etc. They are interchangable as far as i know
all aircraft are …
all aircraft are works in progress and have SB’s as well as AD’s. Having a counter rotating gearbox i doubt would make it have more than average AD’s.
they show the left …
they show the left engine out first prolly then the other one landing cause the first plane probably crashed! LoL so it was take 2 hahaha
the POH should have …
the POH should have all the info you need in the first section i think “characteristics” . If that does not satisfy you i suggest goto the nearest FBO with maintenance facilities and if they have an applicable manual then just goto the various section of the maintenance manuals and read the description and operation of whatever system you are in curiousity about
Yeah, I know about …
Yeah, I know about opposed-engines, but thanks anyway. So, if all engines do turn the same way, which way is that? Funny I’d never thought about it before now, since engines are one of my numerous passions. I’m PRETTY sure that an engine turns clockwise (usually) when looking at the output shaft (i.e. in a pickup truck, when you are driving, the engine is spinning clockwise.) I’m sure that there are different types, but now I’m curious. Thanks for the info, anyway!
oh LTIO means “Left …
oh LTIO means “Left hand turning, Turbo charge, Injected, Opposed engine (opposed being the pistons horizontally opposed).
For example On a piper chieftain would have
A TIO540 – J2B on the left side and an LTIO-540-J2B on the RH side. To answer your one question I’ve never heard of an engine that was reverse turning that wasn’t done through the gearbox. About the allisons I’m not sure but Most likely its still gearing.
What does LTIO mean …
What does LTIO mean, anyway? What you mean is that what I was saying about the Allisons is wrong, and both engines spin the same way, but the gearboxes are different? I guess that makes sense. The “R” must just refer to the gearing.
Well, not …
Well, not neccesarily. You could make two different gearboxes with the same number of gears, only opposite outputs. I guess that would mean at least one would have one extra gear that wasn’t really needed except to equalize the output power, or one prop would have slightly less power than the other. But it’s been done before. I suppose the question is whether it would be cheaper an lighter to just pay to have 2 versions of the same engine, with opposite rotation instead.
“The engines always …
“The engines always turn the same way”? Meaning on a specific plane both engines spin the same way, or all aircraft engines? I know that making a piston engine rotate in reverse is not that hard. With a new camshaft and adjusted timing, an engine can spin either way, especially with older engines. I may be totally wrong, but I had thought that the P-38 had opposite rotation Allisons, the 2nd being the V-1710-R. But maybe that just refers to the gearing, since it comes from the factory that way.
not all aircraft …
not all aircraft have reduction gearboxes on recip engines. yeah the engines themselves always turn the same way , the only difference in a LTIO, left turning engine is the gearbox. And yeah the Reduction gearbox is in most cases, Part of the engine itself
LOL exactly. and …
LOL exactly. and the cylinders would be generic anyway, the only thing not transferable would be the prop, or gearbox parts or the whole engine itself to the other side. I’ve worked on twins for years, some are counterrotating like PA-31′s, and there is really no reason to rob one engine to the other, because you still would have a disabled engine! LoL
Well it’s an issue …
Well it’s an issue I guess of having yet another gear rotating in the engine. More friction, loss of power and that would mean having it on just one engine. So there would be new airworthiness directives aimed at the a/c etc. As simple as it sounds there are hidden complexities that shroud the issue in too much effort to be bothered!
I wondered about …
I wondered about this before. Airplane engines drive the prop through a reduction gear, right? And this is usually mounted to the engine itself? Why can’t you just use 1 engine that can fit either left or right turning reduction gears? It would still be more expensive, and you’d still need 2 different-type props (unless you made ‘em reversable, but I doubt that would be easy). If a car can move either way with just 1 little gear moving, why not? Someone must have tried this before.
I think it’s more a …
I think it’s more a question of SPARE parts, not cannibalizing from the other engine. One can keep 1 set of common parts and not worry about paying for two if you only need one. And buying 100 of the same engine to make 50 planes is cheaper. Then, when the world ends, or if you get “Flight Of The Pheonix-ed”, you can hopefully get at least one engine working out of the 2, or re-use old parts. If you disagree, then why do YOU think they don’t often use counter-rotating props? Govn’t Conspiracy?
LOL 1:16 The ” …
LOL 1:16 The “Ass-Ending” blade? That’s just obscene. XP
just wondering if …
just wondering if anyone could direct to a good website for diagrams of the the piper seminoles systems or anything piper seminole for my commercial checkride
I don’t understand …
I don’t understand your logic mate.. I’ve NEVER robbed anything from any of my engines to “donate” to the other… It’s my understanding that the engines need all their parts? So what difference does it make? So if your left engine loses a cylinder, do you replace it with the one from the right engine??
hmmm very/ …
hmmm very/ extremely observitive …
sorry if i spelled that wrong
Even though having …
Even though having counter-rotating props on a twin of any kind it the obvious better choice, it increases the cost of maintaining the aircraft. If both props are spinning in the same direction, both engines use the same exact parts that can be swapped from one side to the other. If the props are counter-rotating the parts on the left will not be compatible with the right.
funny how they show …
funny how they show left engine out procedure initially and then land with right engine feathered. sorry but i loathe mistakes in training videos!
In the final shot …
In the final shot of the PA23 landing, it showed the flaps down. In most light twins a single engine landing should be done with the flaps at 0.