Today's Message Index:
----------------------
1. 08:23 AM - Re: nosegear bottom bearing (Dave Austin)
2. 11:44 AM - Re: 601 HD for sale (Pwalsh4539@aol.com)
3. 12:26 PM - Re: nosegear bottom bearing (Larry McFarland)
4. 01:41 PM - Re: nosegear bottom bearing (Brenton Battles)
5. 03:13 PM - Re: Airworthy 701 (mike sinclair)
6. 04:23 PM - Re: Airworthy 701 (HINDE,FRANK (HP-Corvallis,ex1))
7. 06:32 PM - Crash 701 (Jon Croke)
8. 07:09 PM - Re: Crash 701 (Fred or Sandy Hulen)
9. 07:26 PM - Re: Crash 701 (Bill Cardell)
Message 1
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| Subject: | Re: nosegear bottom bearing |
--> Zenith-List message posted by: "Dave Austin" <daveaustin2@sprint.ca>
Just a note that if you change the resting height of the nose gear leg
(flying, with no weight on it) the rudder cables tension will change.
Adjust the cables in the final flying position of the leg. The cables
loosen up with weight on the nosegear due to the angle of the gear leg.
Dave Austin 601HDS - 912
Message 2
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| Subject: | Re: 601 HD for sale |
--> Zenith-List message posted by: Pwalsh4539@aol.com
Well, I have decided to sell my 601 HD/Rotax 912.(excellent condition...200
hours on plane and engine). I built it in 1997and have had a lot of fun with it.
Anyone interested in the complete airplane, or engine only, or parts such as
completed wings, etc. contact me off-list at PWalsh4539@aol.com.
Thanks,
Patrick Walsh
Message 3
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| Subject: | Re: nosegear bottom bearing |
--> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com>
> Correct me if I am wrong but the only time I see that the "steering ears"
will be
> in the V-grove is when the plane is flying and no weight will be on the
nose
> gear. Does the grove make it harder to push the rudder pedals when flying?
Jack
>
Jack,
You're correct. We're probably talking rudder steering as much as anything,
but
wouldn't like having my rudder controls detented while flying either.
Larry
Message 4
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| Subject: | Re: nosegear bottom bearing |
--> Zenith-List message posted by: Brenton Battles <brentbattles@charter.net>
> you might give a thought to not putting in the V. I straightened my
> bearing surface
> out to a flat because it made steering a little too stiff.
>
> Larry McFarland - 601hds @ www.macsmachine.com
I flattened my "V" into more of a "U" shape for the same reason. Only
drawback is that in flight my rudder does not definitively center
itself. I have gotten into the habit of checking for a truly centered
ball once I'm in cruise and have found that a tiny tap on the pedals
can give me an additional 2 mph if the ball had been off by even the
slightest amount. I also think that as the nose bungee stretches, the
feel of slightly harder steering will probably ease up considerably.
I'm on my second nose bungee and have found this to be the case. (The
only reason for changing the bungee was a slight fraying of the outer
cord in one place, not excessive stretching.)
Brent Battles
Message 5
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| Subject: | Re: Airworthy 701 |
--> Zenith-List message posted by: mike sinclair <mike.sinclair@att.net>
Here is the url. It can be accessed on the ntsb web page through the query by
month.
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20031017X01760&key=1
Bill Howerton wrote:
> --> Zenith-List message posted by: "Bill Howerton" <Bill@Howerton.com>
>
> Oh my God!! That's awful! That plane just had its maiden flight less than
> two weeks ago. Do you have the URL for the report?
>
> ----- Original Message -----
Message 6
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--> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
My sincere condolences Jon!
I am very glad that your OK. Is the 701 rebuildable?
Frank In Corvallis
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of mike sinclair
Subject: Re: Zenith-List: Airworthy 701
--> Zenith-List message posted by: mike sinclair <mike.sinclair@att.net>
Here is the url. It can be accessed on the ntsb web page through the query
by month.
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20031017X01760&key=1
Bill Howerton wrote:
> --> Zenith-List message posted by: "Bill Howerton" <Bill@Howerton.com>
>
> Oh my God!! That's awful! That plane just had its maiden flight less
> than two weeks ago. Do you have the URL for the report?
>
> ----- Original Message -----
advertising on the Matronics Forums.
Message 7
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--> Zenith-List message posted by: "Jon Croke" <Jon@joncroke.com>
> Just read an NTSB report about an accident with your airplane. Hope you
are ok
> (report said uninjured). Any idea yet as to what happened on the power?
And a
> big question, will you be able to make repairs to your airplane to get it
> airworthy again?
The cat is out of the bag! I was laying low about this incident because I
am so EMBARASSED about what happened!
But, in light of the participation in this list of all the good people that
help make plane building possible, I will bear my soul and explain what
happened. You might say that it could help someone else avoid a similar
mistake someday... but I doubt anyone would do something as foolish as what
I did....!
Here's the story (BTW, the NTSB did an excellent job describing the
incident.... I had to dust off that big FAR/AIM book to look up my
obligations after a crash... you indeed are supposed to report this to them.
An hour after I talked to them on the phone it was on the web.... I thought
few would read it and 'discover' my mishap..!)
Had 2.5 hrs on the plane... flies GREAT! Was really starting to experiment
with flight characteristics, etc. Was preparing to land at my home strip
(1000' grass) and decided to do a go-around because I was off a bit.. Well,
upon giving it full throttle, I realized that for the first time ever it
only went to about 4000 rpm, instead of 5200 or so. She just barely made it
over the high tension wires at the end of my strip and really wasnt climbing
much at this engine speed. Quick glance over the dials indicated no
abnormal temps or pressures.... throttled it down and then back up again
but still only about 4000. NO hesitation, or stumble... smooth but not
enough power. Now there is a heavily forested area beyond the high tension
wires and I saw the tree tops coming at me. Kept it above stall speed and
prayed for the engine to 'kick-in' to high power, but the tree tops quickly
grabbed my wheels. An immediate and fast nose dive down into the trees
(altitude approx 50') resulted. I kept my eyes open and wondered how bad
this was going to be. The sound of a million beer cans being crushed
reverberated as I spun almost straight down thru the branches. I n moments
I found myself stopped just short of the ground (I think it is still resting
on 1 wheel on the ground) as the last set of branches actually prevented
impact into the ground. Absolute quiet as the engine stopped on the way
down (some tree trimming by GSC props for sure!) I had NOT A SCRATCH on me
or bruise of any sort. I pushed my way out the passenger door as the
attitude of the plane still sits at about 45 degrees and titled. ( I do
have nice fotos, but am out of town working and will post them this weekend)
It was an AMAZING stroke of luck to be so gently brought to earth without
injury, if you think about it!
The plane is trashed, (substantial damage) but there are lots of parts that
can be saved for the rebuild! Probably lost the engine to a prop strike...
but will pay a mechanic to confirm (crankshaft twist??) Any bets as to
whether it will be salvagable? Wood prop hitting wood tree! Maybe. The FAA
came out and looked at the wrecked and agreed with me on my diagnosis of the
cause of the accident.....! They said I could still use the airworthy
certif and rebuild from scratch with no new registration! (maybe an
inspection and entry in the logbook!)
So hear comes the EMBARASSING part.... I made a STUPID modification that
caused this accident. I just wasnt thinking at the time... I really am not
TRYING to get into the DARWIN club....While testing the engine before I
ever finished the plane, I was unhappy on how strong those carb throttle
springs were... they would always slowly pull my throttle faster and faster
from idle and I thought this to be a safety problem. I tightened the
friction of the throttle rod to the point that it was too tight for me... so
I fixed it once and for all.... I replaced those stiff springs with GENTLER
springs! B A D!!! It solved the runaway throttle problem.. but... they
were so gentle in their pull (look at your 912 if this is not clear) esp
weak at the last of their travel (full throttle). A minor bind in the
cables and those springs did not have the strength to pull the throttle full
open. Also, notice the design of how the cables are attached...pushing the
throttle to full power does NOT push the cable, but relies entirely on those
springs for their movement.
If I had a longer runway, this would have been a non event. if.. if... if...
Well the good news is that I look forward to start building again because
building should be less stressful 2nd time around... and, knowing how FUN
that thing flew will keep me going. Obviously, there is a small money
problem (no insurance) so will take it one step at a time. Im glad I didnt
sell my Kolb Firestar.. I can still fly!
Here's the big story: I dont think its an 'accident' that I walked away
from a crash like this w/o injury... that plane is engineered GREAT. It is
SAFE and STRONG and protected me all the way down. Chris Heintz saved my
butt in spite of myself.. seatbelts held, etc. I think I exploited its STOL
capability to the max! From full flight speed to dead stop in a matter of a
few horizontal feet!
I live in a very small town and was hoping no one saw me go down.... sorry,
but my neighbor saw it happen and called 911 and what I didnt know was how
many people have radio scanners.... the WHOLE town knows about this and I
have been in 'hiding' a bit... glad to be out of town this week. This
weekend I get the generator and sawzall and go out to the crash site and
make smaller parts out to the wreck to get them out of there (neighbor's
field).
BTW, the FAA wants fotos of my carb spring switch so they can do slide
presentations at safety seminars to show how foolishness can ruin your day!
Look forward to remaining on this list as I start over in the building
process... but this time a bit wiser! Thanks to all of you for your support!
Jon
(the aluminum butcher from Brussels)
Brussels, Wisconsin (near Green Bay)
Message 8
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--> Zenith-List message posted by: "Fred or Sandy Hulen" <hulens61@birch.net>
Really sorry to hear about, and read your posting regarding the incident
Jon, but glad you are OK and admire your attitude about re-building. Best
of luck to you the second time around.
Fred Hulen
do not archive
Message 9
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--> Zenith-List message posted by: Bill Cardell <bill@flyinmiata.com>
Jon,
Thanks for coming clean, maybe it will save one of us from making a
"harmless" mod.
Do not archive
Bill Cardell (TurboDog's Dad)
Flyin' Miata
www.flyinmiata.com
www.fmprotege.com
970-242-3800
-----Original Message-----
From: Jon Croke [mailto:Jon@joncroke.com]
Subject: Zenith-List: Crash 701
--> Zenith-List message posted by: "Jon Croke" <Jon@joncroke.com>
> Just read an NTSB report about an accident with your airplane. Hope
> you
are ok
> (report said uninjured). Any idea yet as to what happened on the
> power?
And a
> big question, will you be able to make repairs to your airplane to get
> it airworthy again?
The cat is out of the bag! I was laying low about this incident because I
am so EMBARASSED about what happened!
But, in light of the participation in this list of all the good people that
help make plane building possible, I will bear my soul and explain what
happened. You might say that it could help someone else avoid a similar
mistake someday... but I doubt anyone would do something as foolish as what
I did....!
Here's the story (BTW, the NTSB did an excellent job describing the
incident.... I had to dust off that big FAR/AIM book to look up my
obligations after a crash... you indeed are supposed to report this to them.
An hour after I talked to them on the phone it was on the web.... I thought
few would read it and 'discover' my mishap..!)
Had 2.5 hrs on the plane... flies GREAT! Was really starting to experiment
with flight characteristics, etc. Was preparing to land at my home strip
(1000' grass) and decided to do a go-around because I was off a bit.. Well,
upon giving it full throttle, I realized that for the first time ever it
only went to about 4000 rpm, instead of 5200 or so. She just barely made it
over the high tension wires at the end of my strip and really wasnt climbing
much at this engine speed. Quick glance over the dials indicated no
abnormal temps or pressures.... throttled it down and then back up again
but still only about 4000. NO hesitation, or stumble... smooth but not
enough power. Now there is a heavily forested area beyond the high tension
wires and I saw the tree tops coming at me. Kept it above stall speed and
prayed for the engine to 'kick-in' to high power, but the tree tops quickly
grabbed my wheels. An immediate and fast nose dive down into the trees
(altitude approx 50') resulted. I kept my eyes open and wondered how bad
this was going to be. The sound of a million beer cans being crushed
reverberated as I spun almost straight down thru the branches. I n moments
I found myself stopped just short of the ground (I think it is still resting
on 1 wheel on the ground) as the last set of branches actually prevented
impact into the ground. Absolute quiet as the engine stopped on the way
down (some tree trimming by GSC props for sure!) I had NOT A SCRATCH on me
or bruise of any sort. I pushed my way out the passenger door as the
attitude of the plane still sits at about 45 degrees and titled. ( I do
have nice fotos, but am out of town working and will post them this weekend)
It was an AMAZING stroke of luck to be so gently brought to earth without
injury, if you think about it!
The plane is trashed, (substantial damage) but there are lots of parts that
can be saved for the rebuild! Probably lost the engine to a prop strike...
but will pay a mechanic to confirm (crankshaft twist??) Any bets as to
whether it will be salvagable? Wood prop hitting wood tree! Maybe. The FAA
came out and looked at the wrecked and agreed with me on my diagnosis of the
cause of the accident.....! They said I could still use the airworthy
certif and rebuild from scratch with no new registration! (maybe an
inspection and entry in the logbook!)
So hear comes the EMBARASSING part.... I made a STUPID modification that
caused this accident. I just wasnt thinking at the time... I really am not
TRYING to get into the DARWIN club....While testing the engine before I
ever finished the plane, I was unhappy on how strong those carb throttle
springs were... they would always slowly pull my throttle faster and faster
from idle and I thought this to be a safety problem. I tightened the
friction of the throttle rod to the point that it was too tight for me... so
I fixed it once and for all.... I replaced those stiff springs with GENTLER
springs! B A D!!! It solved the runaway throttle problem.. but... they
were so gentle in their pull (look at your 912 if this is not clear) esp
weak at the last of their travel (full throttle). A minor bind in the
cables and those springs did not have the strength to pull the throttle full
open. Also, notice the design of how the cables are attached...pushing the
throttle to full power does NOT push the cable, but relies entirely on those
springs for their movement.
If I had a longer runway, this would have been a non event. if.. if... if...
Well the good news is that I look forward to start building again because
building should be less stressful 2nd time around... and, knowing how FUN
that thing flew will keep me going. Obviously, there is a small money
problem (no insurance) so will take it one step at a time. Im glad I didnt
sell my Kolb Firestar.. I can still fly!
Here's the big story: I dont think its an 'accident' that I walked away
from a crash like this w/o injury... that plane is engineered GREAT. It is
SAFE and STRONG and protected me all the way down. Chris Heintz saved my
butt in spite of myself.. seatbelts held, etc. I think I exploited its STOL
capability to the max! From full flight speed to dead stop in a matter of a
few horizontal feet!
I live in a very small town and was hoping no one saw me go down.... sorry,
but my neighbor saw it happen and called 911 and what I didnt know was how
many people have radio scanners.... the WHOLE town knows about this and I
have been in 'hiding' a bit... glad to be out of town this week. This
weekend I get the generator and sawzall and go out to the crash site and
make smaller parts out to the wreck to get them out of there (neighbor's
field).
BTW, the FAA wants fotos of my carb spring switch so they can do slide
presentations at safety seminars to show how foolishness can ruin your day!
Look forward to remaining on this list as I start over in the building
process... but this time a bit wiser! Thanks to all of you for your support!
Jon
(the aluminum butcher from Brussels)
Brussels, Wisconsin (near Green Bay)
advertising on the Matronics Forums.
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