Today's Message Index:
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1. 11:58 AM - The breakups ()
2. 01:51 PM - Destructive forces of flutter (hansriet)
3. 04:47 PM - ENGINE, ENGINE *9 (Tommy Walker)
Message 1
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I'm OK with various people having various interpretations and differing
viewpoints, but in all I have read, I am still waiting for the following
data: In each crash, has anybody identified the individual piece that
failed? I seem to recall that one crash summary stated that the main
spar had failed, and been twisted, but there seems to be a dearth of
information on this. as in: if the rear spar tore loose from the
carry-through, for instance, I'd look at either a thicker attach point
plate, or two attach point plates, on either side of the carry-through
and the spar. If it's flutter, then it seems reasonable to either
pre-load the ailerons a couple of degrees down, or use push-pull tubes
insttead of cables. If we're looking at excessive G, (positive or
negative) then maybe more stringent elevator stops would be called for.
If we're looking at excessive positive G, could that point to pilot
error? I have a hard time believing that somebody could not know when
he's pulling 4 or more G, no matter how light the stick force is. Since,
I'm sure, the FAA and NTSB have a set of plans, I'd love to see a
call-out of the part numbers that either failed or are broken, and are
not attributable to ground impact. Until somebody comes up with that
information, I guess I'll keep building, albeit at a slower pace.
Paul Rodriguez
Message 2
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| Subject: | Destructive forces of flutter |
I don't want to put any fuel on the flames, and I don't know what the cause of
the in-flight break up is. But the people who think that flutter is an innocent
problem, and for those who claim on this list that they flight tested their
zodiac trying to induce flutter, are invited to watch the video at the link posted
below. Granted this is at high speeds, but it gives you an impression of
how sudden and how destructive flutter can be.
http://vids.myspace.com/index.cfm?fuseaction=vids.individual&VideoID=3452299
Hans
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=241119#241119
Message 3
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| Subject: | ENGINE, ENGINE *9 |
Listers,
I am in the market for a Continental O-200 or a Rotax 912ULS
I would appreciate any referrals.
Thanks,
Tommy Walker in Alabama
Do Not Archive
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Tommy Walker
N8701 - Anniston, AL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=241148#241148
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