How close?

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Originally Posted by SASless

You got it....the follow-up question is how does one correct for that in angles of bank at say Sixty degrees or greater and does Collective input create a rolling input?

Easy, you roll the wings level.

With the Lynx pitch roll couple - which sounds identical to what JD describes - it is the amount of left cyclic required to roll out that catches people out - you need at least twice as much as you would expect and you can end up with a left cyclic control position that in level flight would produce a smart left roll but in the hard right turn just about prevents further right roll.

If you add more collective - because you realise you are getting close to the ground and get scared - you just exacerbate the pitch/roll couple as you have increased loading of the disc.

The answer - as in RBS - is to reduce the severity of the manoeuvre.

IE, unload the disc since it is the rate of pitching that is causing the rolling.

Trouble is, if you put yourself into this situation close to the ground, you have limited options so don't use high AoB close to the ground in a right turn - simples. Trying to make yourself push the cyclic forward in this condition is difficult psychologically.

[SASless]

What was the use of pedal during that method?

Ever just stick a boot full of up hill peal and see how the aircraft responded?

I found the nose pitched up....which prompted a forward movement of the cyclic and as the aircraft was not descending at a high rate the demand for collective was reduced which assisted in he recovery.

Next time you fly that Lynx....give it a try and see what happens.

With a constant Collective setting and bank at the input of pedal...see if what I describe happens.

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What was the use of pedal during that method?

Ever just stick a boot full of up hill peal and see how the aircraft responded?

None and no. The Lynx TR is very powerful and adding a 'bootfull' would be gross mishandling. It also assumes you are in balance to start with.

There is no need to try it - just avoid high AoB turns to the right close to the ground and if you are going to try and pull off a punchy low level wingover, make sure you get to a decent height at the apex before trying to pull yourself round the second half.

Secondary effects of yaw are not new but why would you try and use those when basic techniques work just fine?

I don't need to wear a stetson and spurs when I fly.

[SASless]

Here's a book for you....if you substitute Right for Left there is a parallel story to your post.

While being chauffeured by an FBI Driver.....J Edgar Hoover the Director of the FBI....almost was ejected from the Car when the door on his side suddenly opened and from that point on....the Driver was only allowed to make Right Hand Turns.

The book is an extremely entertaining account of life in the FBI under Hoover.

No Left Turns: The FBI in Peace & War Hardcover – January 1, 1975

by

Joseph L Schott

Joseph L Schott

(Author)

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Had they let him keep turning left they might have done the world a favour - J Edgar Hoover was not a decent guy.