Today's Message Index:
----------------------
1. 05:21 AM - Empty weight of 701 (Damien and Kathy)
2. 07:10 AM - Re: How to avoid a smashed fuselage? (Coloradodan)
3. 08:06 AM - Re: Empty weight of 701 (ricklach)
4. 08:14 AM - Re: How to avoid a smashed fuselage? (n85ae)
5. 08:21 AM - Re: How to avoid a smashed fuselage? (Coloradodan)
6. 08:32 AM - Re: How to avoid a smashed fuselage? (n85ae)
7. 09:29 AM - Re: Empty weight of 701 (sonar1@cox.net)
8. 10:50 AM - Re: Re: How to avoid a smashed fuselage? (Gary Gower)
9. 11:13 AM - 701 weight? (Zed Smith)
10. 01:54 PM - Re: Empty weight of 701 (Damien and Kathy)
11. 03:36 PM - Re: Left Turning Tendency in the Flare (Tommy Walker)
12. 04:13 PM - Re: Re: Left Turning Tendency in the Flare (Dan)
13. 05:17 PM - Re: Zenith701801-List Digest: 2 Msgs - 06/19/08 (Phil Owens)
Message 1
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| Subject: | Empty weight of 701 |
Group:
I am looking at a completed 701 and it has an empty weight of 519
pounds. It is a 2006 model with the 80 HP Rotax and no paint. The Zenith
company website gives an empty weight of 580, but they don't seem to
specify for which engine. Does the 519 pounds empty weight sound right ?
Thanks.
Message 2
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| Subject: | Re: How to avoid a smashed fuselage? |
The hard landing was crushed up the starboard side from the bottom frame into the
side reinforcement. The ditch incident had only bent the bottom frame on the
port side just behind the main gear.
I guess I'm wondering about a more robust bottom frame for landing in the rough.
--------
Don't go looking for happiness...we'll find you.
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http://forums.matronics.com/viewtopic.php?p=188754#188754
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| Subject: | Re: Empty weight of 701 |
Sounds very light to me. Most every 701 I've seen in over 570LB and if the builder
likes goodies over 600LB is not unusual.
Rick
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http://forums.matronics.com/viewtopic.php?p=188759#188759
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| Subject: | Re: How to avoid a smashed fuselage? |
Any photo's? When you say side reinforcement, are you referring to
the channels that go between the rear wing attach brackets, and the gear attach?
Jeff
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http://forums.matronics.com/viewtopic.php?p=188762#188762
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| Subject: | Re: How to avoid a smashed fuselage? |
Unfortunately both aircraft were already repaired.
The one repair was up the entire side the other was just a small patch on the bottom.
The descriptions were given to me by the owners.
I hope the list would provide some feed back if this was common?
--------
Don't go looking for happiness...we'll find you.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188763#188763
Message 6
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| Subject: | Re: How to avoid a smashed fuselage? |
I don't think there's a huge number of 801's out there to really know. I
just walked out to the shop and looked at mine, as I am getting ready to join
the front/rear sections. It is fairly stout in the area of the gear attach, and
the forward sides are .032. The one place I could see being a weak
area is those side channels. It would not be too difficult to make a 4130
steel subassembly that connected for example the Rear wing attach to the
gear attach fittings.
better piloting would also take of the problem as well. :)
By the way I'm from Wondervu Colo off Hwy 72, Mom lives in Longmont.
Currently I'm in the Chicago area.
Jeff
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http://forums.matronics.com/viewtopic.php?p=188766#188766
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| Subject: | Re: Empty weight of 701 |
Mine was 583 pounds with 80 hp rotax and very few changes to the plans, but with
the seats in. 519 sounds too light. Is it a misprint? perhaps 619??
do no archive Fred Sanford N9701
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http://forums.matronics.com/viewtopic.php?p=188775#188775
Message 8
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| Subject: | Re: How to avoid a smashed fuselage? |
I think, something has to give up.--this bending will lower the inertia
of a hard-landing instread of the pilot or passengers bones...-
-
-Remember the cars from the '50s- (DeSoto, Plymouth, Studebaker, etc.)?
--This-cars-were -dificult to crush (compared to new ones), will
hardly bend- when a new-ones is almost total lost,-but how about the
driver and passengers.
-
Nothing can-be better than practice the landings...--
-
Hope some of the old timers in the list can-remeber about a pilot that us
ed to land very often-his 701 in areas with lots of rocks near the sea sh
ore.-
-
This pilot added a cable from the landing gear (bolts of the axle)- to th
e lower support in the engine mount, where the floats bolt on.- This was
intneded to lower the handle force from the landing gear over the gear supp
ort in the fuselage in vry bumpy strips.
-
We had made a couple of "bouncy" landings with no harm to the airplane.-
To bend something- has to be very violent...--
-
Saludos
Gary Gower
701 912S- 197 hrs and counting.
--- On Fri, 6/20/08, Coloradodan <dfanning1@gmail.com> wrote:
From: Coloradodan <dfanning1@gmail.com>
Subject: Zenith701801-List: Re: How to avoid a smashed fuselage?
<dfanning1@gmail.com>
Unfortunately both aircraft were already repaired.
The one repair was up the entire side the other was just a small patch on t
he
bottom.
The descriptions were given to me by the owners.
I hope the list would provide some feed back if this was common?
--------
Don't go looking for happiness...we'll find you.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188763#188763
============0A=0A=0A
Message 9
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do not archive
There is another possibility.....the scales themselves.
The half-dozen or so weighings I have been associated with (I did the hard part...held
the clipboard & pencil)used several types of scales. Bathroom scales
are not the most accurate things on the planet.
Once, a Cub got weighed four times on four different scales and we got four results.
The difference was nearly 100 pounds, lightest to heaviest. Biggest problm
is that these scales are not "linear"....they may be close at 50#, and again
at 75#, but way out in left field thereafter.
If a real "platform" (beam) scale can be located this would be the better approach.
One fellow I know has three platforms, has several pieces of plate steel for calibrators,
and also has several empty 5-gallon plastic buckets that can be filled
with gravel. There is enough room on one of these feed store platform scales
to stack several buckets of gravel.
The process is to start with one KNOWN 50-pound weight; replace it with a bucket
of gravel...removing or replacing pebbles until it weighs exactly as much as
the known item. Several calibrated buckets, all on the scale at the same time,
should indicate on the scale the sum of all the buckets placed there. This
proves the scale from light to heavy loads.
Not sure I'd want to do a Weight & Balance without being sure of the scales.
You can usually get the U S Post Office to weigh an item and tell you, to the ounce,
its weight.
There are probably other places with accurate scales.....maybe your medical doctor.
Any decent "beam" scale is probably much more accurate than spring scales.
Rocket science!
Hope this is helpful,
Zed
Message 10
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| Subject: | Re: Empty weight of 701 |
Thanks for the replies about the empty weight. I will do more
investigating about it.
Regards,
Damien
Do Not Archive
----- Original Message -----
From: Damien and Kathy
To: zenith701801-list@matronics.com
Sent: Friday, June 20, 2008 8:19 AM
Subject: Zenith701801-List: Empty weight of 701
Group:
I am looking at a completed 701 and it has an empty weight of 519
pounds. It is a 2006 model with the 80 HP Rotax and no paint. The Zenith
company website gives an empty weight of 580, but they don't seem to
specify for which engine. Does the 519 pounds empty weight sound right ?
Thanks.
Message 11
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| Subject: | Re: Left Turning Tendency in the Flare |
Builders,
Here's a single short video of N8701 turning final and landing this morning at
our country airport. I made this by holding my cheap Sony digital camera up and
pointing it at the nose.
This time, as you can see there was no left turning tendency. touchdown was about
45 mph at around 2500 rpm.
No Flare! Just land.
You can hear a chattering sound after touchdown. The nose wheel is out of balance.
I am going to pull it off and take it to a motorcycle shop and get it balanced.
The mpg file is 23 MB so it takes a few minutes to load. I don't know how to do
streaming video.
http://myweb.cableone.net/twalker/june08.mpg
Happy Flying,
Tommy Walker in Alabama
N8701
--------
Tommy Walker
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188827#188827
Message 12
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| Subject: | Re: Left Turning Tendency in the Flare |
Tommy Walker wrote:
>
> Builders,
>
> Here's a single short video of N8701 turning final and landing this morning at
our country airport. I made this by holding my cheap Sony digital camera up
and pointing it at the nose.
>
> This time, as you can see there was no left turning tendency. touchdown was
about 45 mph at around 2500 rpm.
>
> No Flare! Just land.
>
> You can hear a chattering sound after touchdown. The nose wheel is out of balance.
I am going to pull it off and take it to a motorcycle shop and get it
balanced.
>
> The mpg file is 23 MB so it takes a few minutes to load. I don't know how to
do streaming video.
>
> http://myweb.cableone.net/twalker/june08.mpg
>
> Happy Flying,
>
> Tommy Walker in Alabama
> N8701
>
I noticed the left turn last weekend only when the nose was pointed up
in a steeper flare.
Dan Wilde
Message 13
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| Subject: | Re: Zenith701801-List Digest: 2 Msgs - 06/19/08 |
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