Today's Message Index:
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1. 06:27 AM - Landing the 701 (george.mueller@aurora.org)
2. 11:22 AM - Re: Landing the 701 (MacDonald Doug)
3. 11:22 AM - Re: Landing the 701 (n801bh@netzero.com)
4. 12:47 PM - Re: Landing the 701 (MacDonald Doug)
5. 04:55 PM - Re: Landing the 701 (Gary Gower)
Message 1
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I have a question for those who have been flying their 701s for a while.
For most of the other airplanes I have flown, the landings go like this:
The mains gently kiss the runway, chrip chirp, and the nosewheel is held
off and gently and slowly comes down as the energy dissipates. (Ok, that
happens some of the time). When I land my 701, the mains touch down more
or less gently, but the nosewheel immediately plunks down. The closest I
have come to being able to hold the nosewheel off is to hold 3,000 RPM
(with an 80hp rotax) all the way down final, and this gives me enough
energy to hold the nosewheel off. This seems like a lot of power to carry
into the flare. Is the three wheel plunkdown just the way it is? Is
there something wrong with my rigging (incidence of horizontal stabilizer,
etc)? I do have vortex generators on the elevator. I do not have a
forward CG at all, as I have a BRS in the baggage compartment and a rotax
up front. Does anyone have any tips? I am thinking of installing an
angle of attack indicator to more precisely control things in the landing.
George in Milwaukee
N701GM 912UL 20hrs
Message 2
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Subject: | Re: Landing the 701 |
George, sounds to me like you might need to increase
your approach speed a little(lower the nose during
final). This will give you a bit more energy to use
during the flair. You didn't mention what you were
using as an approach speed.
Take this with a grain of salt though as I am basing
this on general light plane expirience and not on
specific 701 expirience as I am currently still
building and have zero hours in a 701.
The Angle of Attack indicator or Lift Reserve
Indicator would probably be a big help in this
situation.
Doug MacDonald
CH-701 Scratch Builder
Canadian Ultralight flight instructor
Do Not Archive
--- george.mueller@aurora.org wrote:
> I have a question for those who have been flying
> their 701s for a while.
> For most of the other airplanes I have flown, the
> landings go like this:
> The mains gently kiss the runway, chrip chirp, and
> the nosewheel is held
> off and gently and slowly comes down as the energy
> dissipates. (Ok, that
> happens some of the time). When I land my 701, the
> mains touch down more
> or less gently, but the nosewheel immediately plunks
> down. The closest I
> have come to being able to hold the nosewheel off is
> to hold 3,000 RPM
> (with an 80hp rotax) all the way down final, and
> this gives me enough
> energy to hold the nosewheel off. This seems like a
> lot of power to carry
> into the flare. Is the three wheel plunkdown just
> the way it is? Is
> there something wrong with my rigging (incidence of
> horizontal stabilizer,
> etc)? I do have vortex generators on the elevator.
> I do not have a
> forward CG at all, as I have a BRS in the baggage
> compartment and a rotax
> up front. Does anyone have any tips? I am thinking
> of installing an
> angle of attack indicator to more precisely control
> things in the landing.
>
>
>
> George in Milwaukee
> N701GM 912UL 20hrs
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Message 3
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Subject: | Re: Landing the 701 |
Almost everyone who flies a 701 / 801 has this same observation. It must
the geometry of the airframe to landing gear placement. My 801 does the
same thing,, for short landing I carry alot of power, keep it nose high
and as slow as I feel safe for the wind conditions and just expect the
nose wheel to hit rather firmly... The current fix is the reverse the ma
in gear and that puts the rear wheels farther forward making it less pro
ne to slam the nose down but in the 801,s case you have to notch the gea
r to fit the attach bracket. If I reverse mine I would have to elongate
those notches and that is something I don't want to do.
Tailwinds
Ben Haas
N801BH
www.haaspowerair.com
-- george.mueller@aurora.org wrote:
I have a question for those who have been flying their 701s for a while.
For most of the other airplanes I have flown, the landings go like thi
s: The mains gently kiss the runway, chrip chirp, and the nosewheel is
held off and gently and slowly comes down as the energy dissipates. (Ok,
that happens some of the time). When I land my 701, the mains touch do
wn more or less gently, but the nosewheel immediately plunks down. The
closest I have come to being able to hold the nosewheel off is to hold 3
,000 RPM (with an 80hp rotax) all the way down final, and this gives me
enough energy to hold the nosewheel off. This seems like a lot of power
to carry into the flare. Is the three wheel plunkdown just the way it i
s? Is there something wrong with my rigging (incidence of horizontal st
abilizer, etc)? I do have vortex generators on the elevator. I do not
have a forward CG at all, as I have a BRS in the baggage compartment and
a rotax up front. Does anyone have any tips? I am thinking of install
ing an angle of attack indicator to more precisely control things in the
landing.
George in Milwaukee
N701GM 912UL 20hrs
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Message 4
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Subject: | Re: Landing the 701 |
Unfortunately, reversing the 701 landing gear won't
help as it is not a tapered part as in the 601 or 801.
Doug MacDonald
CH-701 Scratch builder
NW Ontario, Canada
Do not archive
--- "n801bh@netzero.com" <n801bh@netzero.com> wrote:
> Almost everyone who flies a 701 / 801 has this same
> observation. It must the geometry of the airframe to
> landing gear placement. My 801 does the same thing,,
> for short landing I carry alot of power, keep it
> nose high and as slow as I feel safe for the wind
> conditions and just expect the nose wheel to hit
> rather firmly... The current fix is the reverse the
> main gear and that puts the rear wheels farther
> forward making it less prone to slam the nose down
> but in the 801,s case you have to notch the gear to
> fit the attach bracket. If I reverse mine I would
> have to elongate those notches and that is something
> I don't want to do.
> Tailwinds
>
>
> Ben Haas
> N801BH
> www.haaspowerair.com
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Message 5
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Subject: | Re: Landing the 701 |
What I have learned in this years is that this condition (heavy nose wheel) is
a bonus, is part of the stability of the airplane in the ground... desingned
in the Zenith airplanes (for low hours a year pilots).
I have landed in some grass strips that are far from Golf course quality
:-) and in the roll out or "fasterly" taxi the front wheel bounces... Could
hit the tail if was more light loaded.
In the time I have flying ours (me about 80 of the total hours, others are my
brothers) We have developed an instinctive way to hold the nose wheel up at
roll out and then gentle let it go when the elevator is loosing force, most
of the times it does not bounce, but on the other side, some of the bounces of
the front wheel are capable of ashame me in front of pilots :-)
Saludos
Gary Gower.
Do not archive.
MacDonald Doug <dougsnash@yahoo.com> wrote:
Unfortunately, reversing the 701 landing gear won't
help as it is not a tapered part as in the 601 or 801.
Doug MacDonald
CH-701 Scratch builder
NW Ontario, Canada
Do not archive
--- "n801bh@netzero.com" wrote:
> Almost everyone who flies a 701 / 801 has this same
> observation. It must the geometry of the airframe to
> landing gear placement. My 801 does the same thing,,
> for short landing I carry alot of power, keep it
> nose high and as slow as I feel safe for the wind
> conditions and just expect the nose wheel to hit
> rather firmly... The current fix is the reverse the
> main gear and that puts the rear wheels farther
> forward making it less prone to slam the nose down
> but in the 801,s case you have to notch the gear to
> fit the attach bracket. If I reverse mine I would
> have to elongate those notches and that is something
> I don't want to do.
> Tailwinds
>
>
> Ben Haas
> N801BH
> www.haaspowerair.com
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know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
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