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Date: Mon, 09 Nov 1998 19:23:29 -0600
From: Snowbird <snbird@ibm.net>
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Subject: Re: sideslip landings: Help!
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Keith Arnold wrote:
 
> On 7 Nov 1998 03:23:17 GMT, hlaviation@aol.com (HLAviation) wrote:

> >Come come snow bird, when you have a crosswind the aircraft weather 
> >vanes into the wind there for a left cross wind will try to pull the > >nose to the left requireing right rudder to counter, that combined 
> >with the effects of the propellor and torque also pulling to the 
> >left, it,s not uncommon to run out of right rudder in some aircraft 
> >on initial power application.  The propper advice is to add power > >more gradually until you have enough airflow across the rudder
> >to maintain control with full power.  There are quite a few high 
> >performance singles that will turn hard left if you just shove in > >full throttle.

Well, frankly, I couldn't understand what Mark was talking about.
I thought he was talking about being unable to keep the left xwind 
from pushing the plane off the runway to the right, and I've been
there, and my solution was to add left rudder to the left aileron.
Whatever works ya know.  

But from email, it turns out he was talking about being blown
off the left side of the runway by a left crosswind, so the
weathervaning thing must be it.  I face that on every takeoff
actually as my plane doesn't have steering, but in a left
crosswind I just start my takeoff roll cocked slightly to the
r, and by the time the plane straightens out the rudders are
effective for steering.  In less wind, I don't need to do this
provided I add power smoothly and don't just jam in the throttle.

For things you can try, Mark, I think HL has the best suggestion--
try applying power more gradually if your planes takeoff distance
vs that 1300 ft runway will allow? Or try starting out cocked to
the right.  Lack of steering in your plane is another definite
factor; in the Cessnas and Pipers the steerable nosewheel helps
track the plane straight until the rudder can take over.

But I still think it might be worthwhile having the rigging looked
at, to see if you really *do* get full rudder deflection to each
side.  I've seen a plane where a connector on the elevator was
put on backwards and bumping into the tail cone, keeping the elevator
from full upward deflection.

> What instruments do you have that tells the airplane there's a wind 
> and from where?. 

Eyes

> They don't weather vane while in the air.  Will on
> the ground, however.

Yes, that's what this thread is about, someone having trouble
with the plane almost running off the left side of the runway at 
the beginning of the takeoff roll in a left crosswind, with full
left aileron and right rudder applied.

Snowbird

