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Maybe I should ride a few with you sometime

 

ddw

 

-----Original Message-----
From: Jason J. Ellingson [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, March 14, 2007 10:15 AM
To: [email protected]
Subject: RE: [COUPERS-TECH] nose wheel linkage

 

 
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advice in this forum.]----
 
 
From: David Douglas Winters [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, March 14, 2007 9:08 AM
To: [email protected]
Subject: [COUPERS-TECH] nose wheel linkage


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My bird is in the shop (the annual bank account flushing system)  The rudder
pedals are coming out.

 

QUESTION:  When the nose wheel is fully extended, is it still linked to the
steering system?

Yes, the nose wheel, ailerons, and rudders are always linked when configured
without rudder pedals... both in air and on ground.
 

QUESTION:  Without rudders, what is the technique for cross-wind TAKE OFFS?

You keep a little forward yoke (just enough) to maintain positive steering
control (as the plane will want to weathervane) until you've reached safe
takeoff speed... then rotate decisively and takeoff into ground effect...
slowly adjust for the wind (crab into it) until enough speed to assure
leaving ground effect won't result in a rapid return to Earth.  For me at
least, I'm in ground effect for just a few seconds at most.  I prefer to
stay on the ground in strong crosswinds until I have good speed.

 

Seems like one would hold the nose down, steer with the yoke, and rotate at
take off speed

BUT

 

How do you handle short field and soft field take-offs where the nose needs
to come up early and the plane needs to get off at minimum speed so it can
accelerate in ground effect? 

For short field, you just pay closer attention to your speed and try to
rotate as early as possible.  Again, do it decisively... otherwise you'll
start bouncing around as the plane can't make up its mind to turn because of
weathervane, or to follow the nose wheel... it can get scary.  No need to
"snap it back" either... I've tried that once and found that I didn't
maintain ground effect with correct angle of attack and made at least two
bounces on the runway (thankfully a WIDE runway).

 

Soft field is the easiest.  Depending on how slippery the surface is, you
just do like normal airplanes and pull that yoke back.  Until you get some
speed, the nose wheel will still have the engine weight on it, so it'll
steer for a while... you just keep steering into the wind a little and
you'll do a little sliding on the grass/sand.  As the rudders become
effective, they'll do the same for you as the nose wheel... keep using small
control inputs (don't want to accidentally raise a wing) to keep you going
down the center of the runway... you will be sliding sideways (more if there
is more wind).  Then, as the plane takes off... stay in ground effect until
you are sure you can climb.

 

Of course, I'm not the book on this topic.  I hope others will contribute as
well.  They may have better techniques, but this is how I've been doing it.

 

- Jason

 

Dave W

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