Today's Message Index:
----------------------
1. 01:03 AM - Re: Verner 13 M engine (Howard Carter)
2. 03:03 AM - Re: Zenith-List Digest: 6 Msgs - 12/09/04 (Tommy Walker)
3. 09:11 AM - Re: New Rotax startup procedure (Cleone Markwell)
4. 11:22 AM - 701 Upper Channel Reinforcement (JERICKSON03E@aol.com)
5. 11:54 AM - Re: Verner 13 M engine (Ihab Awad)
6. 01:30 PM - CNC former photo request (Kevin Kinney)
7. 02:47 PM - Re: 701 Upper Channel Reinforcement (Gary Gower)
8. 05:27 PM - Heater and battery charging ports (Larry McFarland)
9. 06:07 PM - Re: Verner 13 M engine (Jim and Lucy)
10. 08:02 PM - Re: Verner 13 M engine (gary)
Message 1
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| Subject: | Re: Verner 13 M engine |
--> Zenith-List message posted by: Howard Carter <howado@cwia.com>
Dirk,
where do I find info on the Verner engine?
Howard Carter
Dirk Slabbert wrote:
>--> Zenith-List message posted by: "Dirk Slabbert" <dirkslabbert@telkomsa.net>
>
>As the 701 takes shape I am looking at various engine options, wondering if anyone
considered the Verner engine?
>80 hp, 2 cyl air cooled, on paper it lookslike a replacement for the expensive
912?
>Thanks,
>Dirk.
>701 Piketberg SA.
>
>
>__________ NOD32 1.939 (20041203) Information __________
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Message 2
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| Subject: | RE: Zenith-List Digest: 6 Msgs - 12/09/04 |
--> Zenith-List message posted by: "Tommy Walker" <twalker@cableone.net>
Three things about our plane:
1. Engine startup and shutdown tip
2. Oil cooler mounting
3. 701 wing tank sending unit
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com]On Behalf Of Zenith-List
Digest Server
Subject: Zenith-List Digest: 6 Msgs - 12/09/04
*
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Total Messages Posted Thu 12/09/04: 6
Today's Message Index:
----------------------
1. 04:31 AM - Re: 701 fuel sender unit (RURUNY@aol.com)
2. 04:54 AM - XL trim authority with full flap (The Minearts)
3. 11:06 AM - Re: XL trim authority with full flap (Bryan Martin)
4. 12:46 PM - New Rotax startup procedure (Jon Croke)
5. 09:34 PM - Rotax 912S Oil Cooler Mounting (Jonathan Starke)
6. 10:48 PM - Verner 13 M engine (Dirk Slabbert)
________________________________ Message 1
_____________________________________
Time: 04:31:45 AM PST US
From: RURUNY@aol.com
Subject: Zenith-List: Re: 701 fuel sender unit
0.50 MIME_BASE64_LATIN RAW: Latin alphabet text using base64
encoding
1.01 MIME_BASE64_TEXT RAW: Message text disguised using base64
encoding
--> Zenith-List message posted by: RURUNY@aol.com
George,
>I would like to hear from 701 builders about the new location of the fuel
sender
Revised 11-27/04.
I looked over the new installation manuals for the new sender installation.
The
sender is different than the one I received with my kit. The one I received
needed
to be modified by cutting off and removing parts to get it to fit. The new
one just needs to be bent into the correct shape and has a new spade type
center
terminal. I cannot say that the new installation on the side of the tank
might be more prone to leaking but it will be harder to get to for
maintenance
or inspection. The sender lines up with the lightening hole in the rib so it
would be possible to get to it by putting an access panel alongside on
bottom
of wing.If you have the dual tank option and you install the sender on the
inboard
side of the outboard tank, it would be impossible to see or get to without
removing the tank. An outboard install would make sense here and I would bet
the new drawings reflect this. The manual shows the installation on the
inboard
tank, inboard side only.
>What was the problem with the top
position of the sender?
The only problem with the top mounted sender was clearance of the center
terminal
to the top wing skin. I resolved this by putting cork ring spacers on tank
around sender so it could not make contact. I made access panels with screws
for
easy removal and inspection. These are CH approved.
See:
http://www.shutterfly.com/osi.jsp?i=67b0de21b35a2673650c
I have seen others with domed covers. At Oshkosh HB camping this year I saw
a nice
701 with removable lexan windows over the senders.
#2 Is it accepted practice to drill in the side of the
fuel tank?
I have seen 601 and RV builders doing this with their tanks.
>What about safety wire on the sender?..none shown on the pictures.
I did not use any, but I am considering this. You will have to drill the
heads
of the screws provided. If you provide access, at least you can check them
for
tightness.
Hope some of this helps.
archive
Brian Unruh
Long Island, NY
________________________________ Message 2
_____________________________________
Time: 04:54:03 AM PST US
From: "The Minearts" <smineart@kdsi.net>
Subject: Zenith-List: XL trim authority with full flap
--> Zenith-List message posted by: "The Minearts" <smineart@kdsi.net>
I rode in the factory XL with Jabiru, don't remember any issues. But I've
noticed
on the demo video, when it takes off and makes a low takeoff pass, there is
a noticeable small porpoising, making it look very sensitive in pitch.
Steve M.
________________________________ Message 3
_____________________________________
Time: 11:06:53 AM PST US
Subject: Re: Zenith-List: XL trim authority with full flap
From: Bryan Martin <bryanmmartin@comcast.net>
--> Zenith-List message posted by: Bryan Martin <bryanmmartin@comcast.net>
on 12/9/04 7:53 AM, The Minearts at smineart@kdsi.net wrote:
> --> Zenith-List message posted by: "The Minearts" <smineart@kdsi.net>
>
> I rode in the factory XL with Jabiru, don't remember any issues. But I've
> noticed on the demo video, when it takes off and makes a low takeoff pass,
> there is a noticeable small porpoising, making it look very sensitive in
> pitch.
That porpoising is probably because of the aft position of the main landing
gear. When you take off, you have to pull back on the stick and rotate for
lift-off, it won't lift off on its own like a high-wing Cessna. When you
rotate for lift-off, the plane pivots around the main landing gear, as soon
as you lift off, it wants to pivot around the CG and starts to pitch up. You
then have to immediately ease the back pressure and stabilize to a proper
climb attitude. It's easy to over compensate and cause a small bit of
oscillation before it stabilizes, the control forces are pretty light. Just
make sure you don't rotate until you are well above stall speed and don't
pull back too hard. I usually rotate at about 60 mph.
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
In Phase I testing.
________________________________ Message 4
_____________________________________
Time: 12:46:36 PM PST US
From: "Jon Croke" <jon@joncroke.com>
Subject: Zenith-List: New Rotax startup procedure
--> Zenith-List message posted by: "Jon Croke" <jon@joncroke.com>
Just got back from one of those Rotax 4 stroke seminars (3 day) held at LEAF
in
Wisconsin.
Met a fellow 701 builder, Steve Johnson. Small world!
Wanted to share a tip I never heard before for ALL 912S owners. This is
from Eric
Tucker, the Kodiak distributor rep:
IF you are still fighting violent engine shake at startup (important:
assuming
you have the HD starter and slipper clutch already), then try the following:
TURN OFF one of your Mag circuits instead of turning them both on like you
usually
do. Once the engine starts, THEN turn it on!
This technique has apprarently been met with great success in reducing the
shakes
at startup. The theory is that a single mag retards the timing by just a
little.
When shutting down, you can reverse the procudeure (shut off one mag), then
the
the other. (if you are having shakes at shutdown) (I'm not referring to the
shakes
you might get from experiencing one of my STOL 'in the tree' landings!)
This is not an official Rotax procedure, just a technique that has worked
well
in the field. F W I W
Another 'news to me' thing is that there is a brand new carb socket
introduced
by Rotax a month or two ago... harder rubber composition, NOT a mandatory
replacement,
tho.
Jon Croke
www.CH701.com
________________________________ Message 5
_____________________________________
Time: 09:34:54 PM PST US
From: "Jonathan Starke" <Jonathan@entry.co.za>
Subject: Zenith-List: Rotax 912S Oil Cooler Mounting
--> Zenith-List message posted by: "Jonathan Starke" <Jonathan@entry.co.za>
Hi List has anyone had this problem?
I have sent the query to ZAC, as follows:
Using instructions 912S Firewall Forward Section 5 for installing the Oil
Cooler
on the
Rotax 912S
Installation of Bracket 6E6-5CZ is shown mounting to the rear Dynafocal
Bracket
E3-
1X
I have drilled and mounted the barcket for fitting here, but when fitting
the Lower
Cowl, the slot for the oil cooler is at least 10cm further forward.
In addition the exhaust cannister is only about 5mm behind the oil cooler!
Removing the engine again, and looking from the top, with the dynafocal
mounts
in
place, it looks like the oil cooler should be hung from the front mount
plate,
but the
bracket for the oil cooler is completely wrong.
Is there an updated bracket for fitting the oil cooler, such that it it fits
in
the slot behind
the NACA scoop on the cowl?
Please help.
Jonathan Starke
________________________________ Message 6
_____________________________________
Time: 10:48:57 PM PST US
From: "Dirk Slabbert" <dirkslabbert@telkomsa.net>
Subject: Zenith-List: Verner 13 M engine
--> Zenith-List message posted by: "Dirk Slabbert"
<dirkslabbert@telkomsa.net>
As the 701 takes shape I am looking at various engine options, wondering if
anyone
considered the Verner engine?
80 hp, 2 cyl air cooled, on paper it lookslike a replacement for the
expensive
912?
Thanks,
Dirk.
701 Piketberg SA.
Message 3
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| Subject: | Re: New Rotax startup procedure |
--> Zenith-List message posted by: Cleone Markwell <cleone@rr1.net>
Wish I'd known that for the last three years. Ha. Well, it always
bothered me, but as soon as it settled down I soon forgot about it. Cleone
At 02:45 PM 12/9/04, you wrote:
>--> Zenith-List message posted by: "Jon Croke" <jon@joncroke.com>
>
>Just got back from one of those Rotax 4 stroke seminars (3 day) held at
>LEAF in Wisconsin.
>
>Met a fellow 701 builder, Steve Johnson. Small world!
>
>Wanted to share a tip I never heard before for ALL 912S owners. This is
>from Eric Tucker, the Kodiak distributor rep:
>
>IF you are still fighting violent engine shake at startup (important:
>assuming you have the HD starter and slipper clutch already), then try the
>following:
>TURN OFF one of your Mag circuits instead of turning them both on like you
>usually do. Once the engine starts, THEN turn it on!
>
>This technique has apprarently been met with great success in reducing the
>shakes at startup. The theory is that a single mag retards the timing by
>just a little.
>
>When shutting down, you can reverse the procudeure (shut off one mag),
>then the the other. (if you are having shakes at shutdown) (I'm not
>referring to the shakes you might get from experiencing one of my STOL 'in
>the tree' landings!)
>
>This is not an official Rotax procedure, just a technique that has worked
>well in the field. F W I W
>
>Another 'news to me' thing is that there is a brand new carb socket
>introduced by Rotax a month or two ago... harder rubber composition, NOT a
>mandatory replacement, tho.
>
>Jon Croke
>www.CH701.com
>
>
Message 4
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| Subject: | 701 Upper Channel Reinforcement |
--> Zenith-List message posted by: JERICKSON03E@aol.com
Wondering if 701 builders have advice about adding two std L's on the
7F7-1SP, Upper Channel.
Earlier plans showed the two added Ls, when the material was somewhat thinner.
The 7F7-1SP is now .063 material. Wonder if that is holding up to rough field
use?
Jerry
Message 5
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Fri, 10 Dec 2004 11:50:50 -0800 (PST)
| Subject: | Re: Verner 13 M engine |
--> Zenith-List message posted by: Ihab Awad <ihab.awad@gmail.com>
On Fri, 10 Dec 2004 00:58:40 -0800, Howard Carter <howado@cwia.com> wrote:
> where do I find info on the Verner engine?
http://www.ultralightnews.ca/sunfun02/verner_aircraftengine.htm
Peace,
Ihab
Message 6
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| Subject: | CNC former photo request |
--> Zenith-List message posted by: Kevin Kinney <kkinney@fuse.net>
I'm writing an article for our EAA 174 newsletter about using CNC in the home workshop.
I use CNC based rib forms as an example.
Would anyone have a photo of a CNC machine cutting a rib form? Alternately, I
could a picture of a CNC'd rib form in use.
Thank you in advance,
Kevin Kinney
Message 7
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;
| Subject: | Re: 701 Upper Channel Reinforcement |
--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
Jerry,
I think the front wheel assembly and firewall are strong enough in the Zenith airplanes
... Just one advise: Remember always to land on the Main Landing Gear
, holding the front wheel from the strip as long as you have speed (authority
with the empenage) then the wheel will lower by itself. even in regular
mantained grass strips this is possible...
In case of an emergency landing (deadstick) fly the airplane all the way down
to the last moment and then do as best as you can to walk away, plane goes second
and can be rebuilt or build another one if you are in one piece...
Just one thing: Maybe only if you use the heavier Soobs or Corvair, you might
as well reinforce A LITTLE BIT this area... first ask ZAC off course as with
all mods in structural area, in cosmetics you can do as you want trying to not
add (to much) Weight.
If you take care of your plane,you are taking care of yourself.as a free bonus...
My .02 centavos
Saludos
Gary Gower.
JERICKSON03E@aol.com wrote:
--> Zenith-List message posted by: JERICKSON03E@aol.com
Wondering if 701 builders have advice about adding two std L's on the
7F7-1SP, Upper Channel.
Earlier plans showed the two added Ls, when the material was somewhat thinner.
The 7F7-1SP is now .063 material. Wonder if that is holding up to rough field
use?
Jerry
Message 8
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| Subject: | Heater and battery charging ports |
--> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com>
Hi Guys,
Well, with snow and freezing temps becoming the norm, I finished putting together
a common heater, with bungee-attached flex-tube and adapter for warming my
Stratus's engine oil, seen at the bottom of the Completions page and more recently
seen at the bottom of the Electrical page, a dual battery charging port that
keeps both battery circuits separate and does permit external access avoids
having to climb in to hook them up. This is not for starting, but only for charging.
There's an oval cover that uses Dzus fasteners to close and seal the
ports. I'm using two Battery tender chargers with cigarette receptacle-plugs
to make connection simple and basic. Didn't like the bulk of the Cole-Hersey
type but this seems to work real well on the underside.
Fly safe,
Larry McFarland - 601HDS - 47 hours
www.macsmachine.com
Message 9
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| Subject: | Re: Verner 13 M engine |
--> Zenith-List message posted by: Jim and Lucy <jpollard@ciaccess.com>
At 08:35 AM 12/10/2004 +0200, you wrote:
>--> Zenith-List message posted by: "Dirk Slabbert" <dirkslabbert@telkomsa.net>
>
>As the 701 takes shape I am looking at various engine options, wondering
>if anyone considered the Verner engine?
A guy in Hungary has one in a 601
http://www.ultralight.hu/zodiac601/zkepgaleria.htm
Jim
Message 10
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| Subject: | Re: Verner 13 M engine |
--> Zenith-List message posted by: "gary" <FlyinK@Efortress.com>
> where do I find info on the Verner engine?
http://www.flydiver.com/
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