Today's Message Index:
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1. 08:05 AM - Re: landing gear toe in - out (David Kulp)
2. 06:27 PM - Grass Strip for Mark3 (Mark Rinehart)
3. 10:27 PM - Re: Grass Strip for Mark3 (Arksey@aol.com)
Message 1
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| Subject: | Re: landing gear toe in - out |
railroad track on the railroad ties. it was near impossible to look
out the windows to see and keep things straight down the
runway,,, but
what i think was happening is the rolling resistance would flex
the gear
backwards, till i was in a toe out position,,, that would
increase the
rolling resistance, bend back more till the wheel would loose
traction
then the gear would spring forward, the wheel would slide, skip,
roll,
bounce, all at the same time and do it at 30 times a second. or
there
about.
Boyd/list
This brings to mind years ago when they first started putting radial
tires on
the steering axles of 18 wheelers. For a while we had our jobs cut out
for us to
keep the it in one lane. The rig would lurch right, then left; kind of
where ever it
wanted to go, and the driver was left with the task of getting safely to
our destination.
Through experimentation and testing they found that the toe in normal for
years with bias tires didn't work with radials. I believe the amount of
weight
had something to do with it. The greater rolling resistance with bias tires
pulled back on the steering and suspension, causing the wheels to roll
parallel. But with the reduced rolling resistance of radials, the toe
in remained
intact, consequently the steering axle wheels "argued" with each other which
one was in charge at any given moment.
The resolution of this problem was welcome for those of us who fought with
it for thousands of miles!!
Good luck getting it right. Hope this info gives you some insight, like
experimenting
with tire pressure, which is easier to change than bending, and not
nearly as "permanent."
Dave Kulp
Bethlehem, PA
FireFly 11DMK
Message 2
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| Subject: | Grass Strip for Mark3 |
Thanks to all for the responses. Sounds like I don't want anything less than 750
ft, and more is better. I'm going to the farm this weekend to walk the ground
and see what location would be best.
Mark Rinehart
Indy Mark3 N68MR
Sent from my iPad
Message 3
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| Subject: | Re: Grass Strip for Mark3 |
Mark,
from my experience flying a MK lll with a 80 hp rotax at 900' above sea
level with a full load you should be ok with a 1000' with clear approach
on both ends....more of course would be better....for what it is
worth....Jim Swan
Do not archive
FIRESTAR ll 503 Michigan jswan
GPS FOR MY RUNWAY N 42 deg 28.581 W084deg 44.825
ph. 517-663-8488
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