Today's Message Index:
----------------------
1. 03:35 AM - Re: Chris Heintz letter (Gordon)
2. 10:08 AM - Re: *****SPAM***** Re: Chris Heintz letter (Dan)
3. 10:30 AM - Elevator Authority (Dan)
4. 10:46 AM - Re: Elevator Authority (Terry Phillips)
5. 12:42 PM - Re: Elevator Authority (Ken Arnold)
6. 02:42 PM - *****SPAM***** Re: Chris Heintz letter (stepinwolf)
7. 05:35 PM - Re: Chris Heintz letter (NYTerminat@aol.com)
8. 05:40 PM - Re: Elevator Authority (NYTerminat@aol.com)
9. 06:09 PM - Re: Elevator Authority (NYTerminat@aol.com)
Message 1
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| Subject: | Re: Chris Heintz letter |
I found that I needed to slacken the elevator cables in order to
eliminate the tendency for the control stick to constantly push to the
left. The cables are just snug and I'm sure much less than: Elevator
tension should be about 40 lbs +/- 5
Has anybody else encountered this effect, or do I have something rigged
improperly?
Gordon
CH701 912ULS 25hrs
----- Original Message -----
From: Jon Croke
To: zenith-list@matronics.com ; zenith701801-list@matronics.com ;
zenith601-list@matronics.com
Sent: Friday, July 25, 2008 2:46 PM
Subject: Zenith701801-List: Chris Heintz letter
FYI,
There is a NEW letter from Chris Heintz regarding aileron flutter
posted at www.zenair.org (open to all readers)
I would like to thank Chris Heintz for this letter, as I think it
could be of importance to all CH design builders and CH aircraft owners.
Thanks
Jon
editor
Message 2
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| Subject: | Re: Chris Heintz letter |
Gordon wrote:
> I found that I needed to slacken the elevator cables in order to
> eliminate the tendency for the control stick to constantly push to the
> left. The cables are just snug and I'm sure much less than: Elevator
> tension should be about 40 lbs +/- 5
> Has anybody else encountered this effect, or do I have something
> rigged improperly?
> Gordon
> CH701 912ULS 25hrs
>
>
I have done the same thing as you have on my 701. It appears to be a
common problem. If there is a better solution, I sure am open to it.
Dan Wilde
Message 3
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| Subject: | Elevator Authority |
I fly from a very narrow 900 foot grass strip between rows of corn that
are now 8 feet tall. This morning was my first takeoff from my home
field with my 701. It was a non-event. However after flying for an
hour I came home to make my second landing at home. I lined up the
runway, dropped the throttle to idle and skimmed over the neighbors
almond trees while maintaining a low angle of attack. With the ground
rapidly approaching I started pulling back on the stick to flair for
landing but nothing seemed to happen. I finally landed hard (i.e.
bounced) with the stick all the way back and had to fight to maintain
control and keep out of the corn at the side of the runway. This
landing was without flaps. It was a hard landing but nothing was bent
or broken.
I had previously read about this happening to others on this list but
wondered how it could happen since I found the 701 so easy to land.
Well lesson learned. I will now keep a little extra speed and higher
throttle setting to insure flair authority. Who sells the VG 's for the
elevator?
Dan Wilde
N948DW
Message 4
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| Subject: | Re: Elevator Authority |
Dan
One source is CCI
http://www.vortexgenerator.net/
Terry
do not archive
At 10:28 AM 7/26/2008 -0700, you wrote:
>I fly from a very narrow 900 foot grass strip between rows of corn that
>are now 8 feet tall. This morning was my first takeoff from my home field
>with my 701. It was a non-event. However after flying for an hour I came
>home to make my second landing at home. I lined up the runway, dropped
>the throttle to idle and skimmed over the neighbors almond trees while
>maintaining a low angle of attack. With the ground rapidly approaching I
>started pulling back on the stick to flair for landing but nothing seemed
>to happen. I finally landed hard (i.e. bounced) with the stick all the
>way back and had to fight to maintain control and keep out of the corn at
>the side of the runway. This landing was without flaps. It was a hard
>landing but nothing was bent or broken.
>
>I had previously read about this happening to others on this list but
>wondered how it could happen since I found the 701 so easy to land.
>Well lesson learned. I will now keep a little extra speed and higher
>throttle setting to insure flair authority. Who sells the VG 's for the
>elevator?
>
>Dan Wilde
>N948DW
Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons
are done; working on the wings
http://www.mykitlog.com/N47TP/
Message 5
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| Subject: | Re: Elevator Authority |
I installed just VGs on the elevator. BIG difference. Elevator authority
remained even at idle when landings. I used STOLSpeed. Cost $65 including
shipping.
Ken
N701LK
Pikeville, NC
do not archive
----- Original Message -----
From: "Terry Phillips" <ttp44@rkymtn.net>
Sent: Saturday, July 26, 2008 1:46 PM
Subject: Re: Zenith701801-List: Elevator Authority
>
> Dan
>
> One source is CCI
>
> http://www.vortexgenerator.net/
>
> Terry
>
> do not archive
>
> At 10:28 AM 7/26/2008 -0700, you wrote:
>>I fly from a very narrow 900 foot grass strip between rows of corn that
>>are now 8 feet tall. This morning was my first takeoff from my home field
>>with my 701. It was a non-event. However after flying for an hour I came
>>home to make my second landing at home. I lined up the runway, dropped
>>the throttle to idle and skimmed over the neighbors almond trees while
>>maintaining a low angle of attack. With the ground rapidly approaching I
>>started pulling back on the stick to flair for landing but nothing seemed
>>to happen. I finally landed hard (i.e. bounced) with the stick all the
>>way back and had to fight to maintain control and keep out of the corn at
>>the side of the runway. This landing was without flaps. It was a hard
>>landing but nothing was bent or broken.
>>
>>I had previously read about this happening to others on this list but
>>wondered how it could happen since I found the 701 so easy to land.
>>Well lesson learned. I will now keep a little extra speed and higher
>>throttle setting to insure flair authority. Who sells the VG 's for the
>>elevator?
>>
>>Dan Wilde
>>N948DW
>
>
> Terry Phillips ZBAGer
> ttp44~at~rkymtn.net
> Corvallis MT
> 601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons
> are done; working on the wings
> http://www.mykitlog.com/N47TP/
>
>
>
Message 6
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| Subject: | Re: *****SPAM***** Re: Chris Heintz letter |
I'm not sure this solution is appropriate , but a few of my friends who own 701's,
have encountered the same problem. I was told that they solved the issue,
by removing the two triangler shaped plates that hold the horizontal tail bellcrank
at the rear of the torque tube, and re-installed the plates right next
to the tube, on it's own, home made metal bracket, no longer being an integral
part of the tube.
Now the pressure is equal on both sides, and not only can they tighten to the correct
tension on the cables, but the stick is also neutral when it's moved back
and forth, with no unequal pressure on either side.
Hope this helps
Bob, the 701 scratch
Three Rivers
# 7-7143
--------
Live each day, as if it was your last
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=195085#195085
Message 7
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| Subject: | Re: Chris Heintz letter |
Gordon,
Ditto for me
Bob Spudis
N701ZX/ 912S/ 160hrs
In a message dated 7/26/2008 6:36:07 A.M. Eastern Daylight Time,
cscsail@gmavt.net writes:
I found that I needed to slacken the elevator cables in order to eliminate
the tendency for the control stick to constantly push to the left. The cables
are just snug and I'm sure much less than: Elevator tension should be about
40 lbs +/- 5
Has anybody else encountered this effect, or do I have something rigged
improperly?
Gordon
CH701 912ULS 25hrs
**************Get fantasy football with free live scoring. Sign up for
FanHouse Fantasy Football today.
(http://www.fanhouse.com/fantasyaffair?ncid=aolspr00050000000020)
Message 8
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| Subject: | Re: Elevator Authority |
In a message dated 7/26/2008 3:42:45 P.M. Eastern Daylight Time,
arno7452@bellsouth.net writes:
--> Zenith701801-List message posted by: "Ken Arnold"
<arno7452@bellsouth.net>
I installed just VGs on the elevator. BIG difference. Elevator authority
remained even at idle when landings. I used STOLSpeed. Cost $65 including
shipping.
Ken
N701LK
Pikeville, NC
do not archive
Ken,
Did you have to experiment with the locations or did they give instructions
for location?
Bob Spudis
N701ZX/912S/160hrs
----- Original Message -----
From: "Terry Phillips" <ttp44@rkymtn.net>
Sent: Saturday, July 26, 2008 1:46 PM
Subject: Re: Zenith701801-List: Elevator Authority
>
> Dan
>
> One source is CCI
>
> http://www.vortexgenerator.net/
>
> Terry
**************Get fantasy football with free live scoring. Sign up for
FanHouse Fantasy Football today.
(http://www.fanhouse.com/fantasyaffair?ncid=aolspr00050000000020)
Message 9
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| Subject: | Re: Elevator Authority |
Dan,
I fly from my own strip also If you are going to come in flat you need to
carry some extra power as the speed bleeds off very fast as you now know. This
plane does not float unless you are carrying too much extra power. I do not
have VG's and don't have a problem as long as I carry the RPM's which give you
air across your elevator. I suggest that you get used to flying at different
angles of attack. It took me a while to get used to the angle of the 701 in
landing configuration compared to the Pipers that I used to fly. This plane
is great at all different landings from full flap short field to no flap 90
MPH landings at busy airports. For short fields I usually carry 3400- 3600 RPM
with full flaps. I would caution you that you maintain safe width of your
field so that you don't catch a wingtip on the corn.
I think we have all bounce it in a time or two.
Safe flying
Bob Spudis
N701ZX/912S/160hrs
In a message dated 7/26/2008 1:30:21 P.M. Eastern Daylight Time,
dwilde@clearwire.net writes:
--> Zenith701801-List message posted by: Dan <dwilde@clearwire.net>
I fly from a very narrow 900 foot grass strip between rows of corn that
are now 8 feet tall. This morning was my first takeoff from my home
field with my 701. It was a non-event. However after flying for an
hour I came home to make my second landing at home. I lined up the
runway, dropped the throttle to idle and skimmed over the neighbors
almond trees while maintaining a low angle of attack. With the ground
rapidly approaching I started pulling back on the stick to flair for
landing but nothing seemed to happen. I finally landed hard (i.e.
bounced) with the stick all the way back and had to fight to maintain
control and keep out of the corn at the side of the runway. This
landing was without flaps. It was a hard landing but nothing was bent
or broken.
I had previously read about this happening to others on this list but
wondered how it could happen since I found the 701 so easy to land.
Well lesson learned. I will now keep a little extra speed and higher
throttle setting to insure flair authority. Who sells the VG 's for the
elevator?
Dan Wilde
N948DW
**************Get fantasy football with free live scoring. Sign up for
FanHouse Fantasy Football today.
(http://www.fanhouse.com/fantasyaffair?ncid=aolspr00050000000020)
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