[NSRCA-discussion] Air Breaks

[Wayne Galligan]

Ditto on this setup.  I first used it on my Prophecy that was very difficult
to slow down and it worked wonders.  Been using about 15% up aileron on the
Aries and it does everything good for the landings and handles better on
windy approaches.  It will climb or pitch up a little if the approach speed
is too high.

Wayne Galligan


----- Original Message ----- 
From: "Mike Darr" <mdarr00 at comcast.net>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Saturday, May 13, 2006 10:32 AM
Subject: Re: [NSRCA-discussion] Air Breaks


> Bill,
>
> I have been using what you call air brakes for years on my pattern planes.
> You will program both ailerons to go up.  When you do this the nose will
> pitch up, so you will need to program a little down elevator in the mix.
I
> generally program 11 degrees of up ailerons and 1 to 2 degrees of down
> elevator.  You will need to experiment with the correct amount of down
> elevator that is needed for your airframe.  This set up will slow the
plane
> down, and help prevent bouncing during your landings, especially with
fixed
> gear.  It will also help make your landings more predictable.
>
> Now you may think that you will need up elevator while deploying
spoilerons,
> because you are decreasing lift on the wing.  The wing lift does decrease,
> but the trailing edge of the wing quits flying before the leading edge
does.
> This causes the nose to pitch up, and requiring down elevator to maintain
> level flight.  The down elevator increases lift on the stab, causing the
> tail to lift and maintain level flight.
>
> Hope this helps,
>
> Mike Darr
>
>
>
>
>
>
> ----- Original Message ----- 
> From: "Bill Markovitz" <wdmarko at yahoo.com>
> To: <nsrca-discussion at lists.nsrca.org>
> Sent: Saturday, May 13, 2006 10:00 AM
> Subject: [NSRCA-discussion] Air Breaks
>
>
> > I'm interested in using the air brake function for
> > slower and more controlled landings.  Any suggestions
> > for a starting point on the aileron and elevator
> > throws would be appreciated.  Is it better to have the
> > ailerons up and the elevator down or the ailerons down
> > and the elevator up?
> >
> > Thanks, Bill :)
> >
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