"Jim Carter" <jim.carter@[EMAIL PROTECTED]
> wrote in message =
news:zomBj.82$qS5.8@[EMAIL PROTECTED]
> John R. Copeland wrote:
>=20
>> "Jim Carter" <jim.carter@[EMAIL PROTECTED]
> wrote in message
>> news:jAjBj.15285$0o7.14324@[EMAIL PROTECTED]
>>> Watching the videos of the heavies crabbing to a landing in high =
cross
>>> winds prompts me to ask: why don't they use asymmetrical thrust =
instead
>>> of kicking it straight in the flare?
>>>=20
>>> Even in a single, why don't we see more forward slips to a landing
>>> instead of crab, kick, and pray?
>>>=20
>>> Have these techniques gone the way of the steam gauges?
>>>
>>=20
>> You want to rethink that a little, Jim?
>> How would asymmetrical thrust align the aircraft with the runway?
>>=20
>> Also, forward slips are used to lose altitude. Sideslips compensate
>> crosswinds.
>>=20
>> But to answer that question anyway, neither steam gauges nor =
sideslips are
>> gone. I use both of them in my light twin, except that I try to keep =
my
>> transition from crab to slip reasonably smooth, and combined with my
>> pre-landing flare.
>=20
>=20
> When I went thru multi training we used asymmetrical thrust a lot in
> Oklahoma (cause the wind never stops) to control approach attitudes. I
> hadn't thought the lag time was still that significant on the modern
> turbofans, so I made a bad assumption that the technique would be
> applicable to the heavies.
>=20
> It's been so long now I'm not sure I remember the technique right off =
hand,
> but I believe we carried more power on the upwind engine and banked =
into
> the wind. We didn't have to ride the rudders like in a single engine =
and it
> was much easier, prettier, and somewhat more stable in a crosswind.
>=20
> You're right - I got my slips reversed. Side slip into the wind, =
forward
> slip toward the runway. It's all relative to the line of travel.
>=20
> I wonder what the response time is for the large modern turbofans.
>
Ah, now I understand you, Jim. Thanks.
I thought you expected the asymmetrical thrust alone to be sufficient.
Yes, you still would sideslip into the crosswind.


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