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Take-off problems Ju-52 - Printable Version

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Take-off problems Ju-52 - Hawker17 - 22.02.2010

When i try to take off with the Ju-52 the aircraft pulls very strong to the right. Tail lock doesn't fix it either, even with very little throttle. Full rudder left doesn't effect it at all.

Are there people experiencing the same?

Thanks.

- Fusek - 22.02.2010

Throttle up slowly on take off, dont slam the throttle to 100%. Works for me Smile ANd give it time to rev the engines up, it takes longer than most planes.

- KG64_Cnopicilin - 22.02.2010

I've never had any problems with it...

- Rall - 22.02.2010

Also make sure you have all engines selected.

- J99Eingehirner - 22.02.2010

Have the same problem with a lot of planes - e.g., the FW190D models, the Hs129 "B

- aviatorsneah - 22.02.2010

doesn't really have to do with throttling up slowly, but rather gaining speed at a lower throttle setting so as to give the rudder more effectiveness against torque and pfactor at higher power. torque and pfactor have more of an effect at slower speeds. this is why you bring the power in slowly on the takeoff roll.

i know a guy who owns and flys a P-51 at our airport and he says you can't even takeoff with full power in the thing....you'll run out of rudder.

- Fusek - 22.02.2010

At slower taxi speeds, there is less wind for the rudder to manipulate.

- Guest - 23.02.2010

I have an idea: Just put on your level stabilizer and throttle up and once you are at take off speed just turn off the level stabilizer and of you go and enjoy your flight.

- Hawker17 - 23.02.2010

Whatever i try, slowly on the throttle, rudder left, it immediately pulls to the right. I never had this with other planes.

And the Ju-52 in real life is actually pretty good at quickly taxiing:



- aviatorsneah - 23.02.2010

also, use differential braking until u get some speed up and some more rudder authority

- caldrail - 23.02.2010

aviatorsneah Wrote:i know a guy who owns and flys a P-51 at our airport and he says you can't even takeoff with full power in the thing....you'll run out of rudder.

That's an interesting point. CAA guidelines in Britain for flying warbirds is to practice running up engines when parked, becaue invariably neophyte pilots are so put off by the noise and vibration that they don't use full power. In other words, the CAA are insisting, for reasons of maximising take off performance, that you do. Also, I noticed the manner the pilot of Kermit Weeks original condition Spitfire MkXVI used - he simply rammed the throttle open and lifted the tail straight from the off. Personally, that technique would probably scare me silly, and I recall the misadventure between two spitfire pilots at a fifties Farnborough air show in which the two men, who were to stage a race, opened the throttle and both immediately swung straight off the runway and taxied at respectable speed toward a very mobile audience!

I also recall mention of a mosquito squadron during the war whose pilots were suffering quite a lot of groundloops. The frustrated CO made his feelings known in a very forthright manner and told his men that Mosquit's don't swing, only you idiots make them swing! Funnily enough, the accident rate improved immeasurably!

It is true that the torque and gyroscopic forces acting on a powerful aeroplane are quite strong (I cannot speak from personal experience) and that in flight ramming the throttle open will cause the aeroplane to roll around the engine as much as go faster, but a lot depends on technique and feel. I suspect the P51 pilot you mentioned has his head screwed on and treats the aeroplane with some respect (and so he should - it's a high performance aircraft with imperfect handling qualities), but a lot depends on the behaviour of the aeroplane too. The CFI of the flying I used to frequent was once invited to fly a spitfire at the owners request (True - the lucky so and so really did) and flew it for the first time no problem whatsoever, but then he was an experienced flyer with film work to his credit (He flew an Eindekker replica in a WW1 movie).

The 109 for instance had a bad reputation and it seems the Germans were very wary of its take off and landing behaviour (Half the airframes lost during the war were due to accidents) yet the Finns who arrived to ferry their new 109G's home flew it in a seat-of-the-pants manner without problems, but then they were used to flying in and out of short fields and their technique was probably better, so we can say it's also a matter of training and practice.

- Hawker17 - 24.02.2010

aviatorsneah Wrote:also, use differential braking until u get some speed up and some more rudder authority

Is it possible to control left and right brake for the JU52 in IL-2? Can't find that option. :-?