[rebel-builders] Fw: Instability
Posted: Sun Feb 19, 2012 5:58 pm
At one point I had a fairly serious instability on pavement because the
drag strut on one side was longer than on the other. Murphy changed
lengths on these in the early days and my gear ended up with one of the
new and one of the old. Until I figured that out it was a bit of a bear
to land. 7/8" difference made a big difference in handling. Others might
suggest you have some toe out or other differences in the gear.
Garry
Mike Davis wrote:
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drag strut on one side was longer than on the other. Murphy changed
lengths on these in the early days and my gear ended up with one of the
new and one of the old. Until I figured that out it was a bit of a bear
to land. 7/8" difference made a big difference in handling. Others might
suggest you have some toe out or other differences in the gear.
Garry
Mike Davis wrote:
----- Original Message -----
From: "Rebel" <rebel@dcsol.com>
To: <mike.davis@dcsol.com>
Sent: Monday, January 18, 2010 6:15 AM
Subject: Instability
Hi
I own a Rebel series 615-R, equipped with 2.2 liter Subaru engine, with
serious stability problems while on ground.
-During taxing, tends to move to the sides.
-While on take-off run, at full engine, the instability diminishes and its
possible to take-off without problems.
-But, if during the take-off run the power is cut, the plane becomes
extremely unstable and it becomes impossible to keep it going staight on
the
runway. Generally it ends up off the runway looking to where we were
coming
from.
-To sump it up, if the plane is at speed but without traction it becomes
completely unstable while at ground.
-Ive got experience with planes of conventional layout, but its the firs
time
Ive met such an unstable one. The rear wheel is in perfect conditions and
has
been recently lubricated.
Is there a special aligning for the wheels, some specific tire pressure or
some
other element I should check or modify ??
Thanks
Albert
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