Today's Message Index:
----------------------
1. 12:15 AM - Re: Number of Propeller Blades. (BIANCO Tadeusz Forgacz)
2. 03:20 AM - Re: FAA Alerts had CH701 items this month. (Jean-Paul Roy)
3. 10:31 AM - 701 cowel (Peter Drzymala)
4. 10:31 AM - upper fuse doubler fit (john butterfield)
5. 10:31 AM - for sale (Peter Drzymala)
6. 12:46 PM - Fuel System on 6K2 (Jeff Davidson)
7. 12:46 PM - Re: wing kit? (CoJo331@aol.com)
8. 12:49 PM - Re: Number of Propeller Blades. (Ron Crook)
9. 03:21 PM - Re: 701 cowel (Pete Krotje)
10. 03:29 PM - Re: 701 cowel (doug kandle)
11. 03:29 PM - bubble doors in Fl Lauderdale FL (Brett Hanley)
12. 03:40 PM - Re: Corrosion Prevention: Alodine and Zinc Chromate (Dan Morehouse)
13. 03:57 PM - Re: Number of Propeller Blades. (Larry)
14. 04:43 PM - Re: 701 cowl (James Sagerser)
15. 05:24 PM - Re: Number of Propeller Blades. (Leo Gates)
16. 06:53 PM - Re: Number of Propeller Blades. (NYTerminat@aol.com)
17. 07:21 PM - Re: FAA Alerts had CH701 items this month. (JERICKSON03E@aol.com)
18. 08:57 PM - Re: Fuel System on 6K2 (JAPhillipsGA@aol.com)
Message 1
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| Subject: | Re: Number of Propeller Blades. |
--> Zenith-List message posted by: "BIANCO Tadeusz Forgacz" <info@bianco.pl>
Most effective is one blade propeller. More blades You have more quite
propeller will be itself, and also engine will have to work on lower RPM.
Tadeusz Forgacz
CH601 main spar and wings spars almost finished :)
-------Original Message-------
From: Gary Gower
Subject: Re: Zenith-List: Number of Propeller Blades.
--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
Now that you talked propellers, There is a limit in size & weight (mass?),
given the giroscopic forces over the reduction drive... Read about it but
cant remember where.
Saludos
Gary Gower.
Ken Erickson <ericksonkenneth@hotmail.com> wrote:
--> Zenith-List message posted by: "Ken Erickson"
I am curious what might be advantages/disadvantages using a 2, 3 or 4-blade
propeller on a 701 using a Rotax 912UL/912ULS. Would there be a performance
advantage on a 701 during take-off etc.?
Ken Erickson
CH701 scratch building
rudder done...
--------
CH701 Scratch Builder
---------------------------------
Message 2
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| Subject: | Re: FAA Alerts had CH701 items this month. |
--> Zenith-List message posted by: "Jean-Paul Roy" <jean-paul.roy4@tlb.sympatico.ca>
Thanks Rory for the heads up. I'll certainly look into it. I'll be reaching
this point this week end.
Jean-Paul
CH 701, mounting the hor. stab
----- Original Message -----
From: "Rory Davis" <n7cr@bellsouth.net>
Sent: Saturday, February 04, 2006 1:22 AM
Subject: Re: Zenith-List: FAA Alerts had CH701 items this month.
> --> Zenith-List message posted by: Rory Davis <n7cr@bellsouth.net>
>
> Reference the FAA alert:
>
<http://www.faa.gov/aircraft/safety/alerts/aviation_maintenance/media/2005/2
005_12_Alert.pdf>
>
> I finished assembling my 701's elevator & stabilizer tonight and noticed
> something I hadn't before while the brackets were clecoed.
>
> If you look at the photos on pages 13 and 14, notice the wear on the
gusset
> edge. This is caused when the elevator is at full up position and 7H5-3
horn
> angle bangs against the gusset. I guess it's intended as an elevator stop?
>
> This potential wear point could be avoided (too late in my case, since I
> followed the drawings and assembly manual) if the elevator center hinge
assembly
> (7H3-3 and 7H5-4) is flipped 180 deg and shifted to the left to place the
> centerline on the side of 7H3-3 opposite the gusset.
>
> It might be a good idea for you fellow 701 owners to take a look at this.
For me
> it will be one more thing to check on the preflight.
>
> Rory
> CH701 Kit empennage completed
> Lacombe, LA
>
> > It also appears that the elevator hinge bracket described in the report
is more
> > properly identified as the center hinge gusset 7H5-4 in the 2004 plans,
which
> > has been changed from two L sections riveted together as shown in the
photo, to
> > a single bracket with an additional flange which would reduce the
flexing of the
> > gusset web which causes the stress crack at the bend.
> >
> > Rory
> > CH-701 empennage nearly complete
> >
>
>
Message 3
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--> Zenith-List message posted by: "Peter Drzymala" <pdrzymala@nycap.rr.com>
does anybody sell a cowel for 701stol using a jabiru 2200 engine? pdrzymala@nycap.rr.com
Message 4
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| Subject: | upper fuse doubler fit |
--> Zenith-List message posted by: john butterfield <jdbutterfield@yahoo.com>
hi list
i am installing the upper fuse longeron doublers and
am having trouble with the fit. When put on, at the
shoulder position the longerons extend about 1/2 inch
outboard of the doubler. I can force them together
with a large amouont of force, but am uncomfortable
with this. It appears that the bend in the longeron
is to far forward and continues into part of the area
that is supposed to be straight. I have already
rivited the gear channels and uprights to the skin(is
there any other reason to wait to rivit) so to adjust
at that point requires removal of all of the rivits.
my questions
1. is a large amouont of outward tension from the
side skins bad for the aircraft.
2. does having the excess longeron showing make
fitting the canopy difficult (not withstanding the
embarrment of seeing you guys in person in the future
and having my error on perpetual display)
3. Zenith suggested that i make a new doubler with a
wider side to cover the longeron. this would be ok as
the cockpit at the shoulder level would be a little
wider.
The measurment at the seat back is correct (width).
what are your opinions as to the bulge. I kinda like
the wider version if it is not unsafe or make the
canopy impossible to properly install
thanks in advance
john butterfield
XL, corvair
Message 5
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--> Zenith-List message posted by: "Peter Drzymala" <pdrzymala@nycap.rr.com>
my zenith 601xl is for sale.power 912s, 100 hp pdrzymala@nycap.rr.com
Message 6
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| Subject: | Fuel System on 6K2 |
--> Zenith-List message posted by: "Jeff Davidson" <jeffrey_davidson@earthlink.net>
Listers,
Two questions if I may:
I am installing a fuel system very similar to that on page 6K2 of the 601 XL
plans. I have the Leading Edge fuel tank option for my 601 HD. I'm not
using a header tank. I have purchased the A10580-T gascolator and Andair 3
Way Fuel Selector value from ZAC. I have made and installed a Center
Console similar to 6K2-2. The gascolator uses an elbow (F139-4B) and a
straight barb coupler (F125-4B). My question is what combination of
fittings to use on the Selector value? The inlet for the left tank is on
the top of the value. The fuel line is approaching from below. It seems
that the line will have to make a "U turn". Does the XL kit include these
fittings? What have others used?
On the gascolator, a fairly large hole is required on the center line of the
fuselage. How are builders handling the retainer wire that wraps around the
gascolator bowl? And lastly, should the hole around the gascolator be
sealed or not? If so, with silicone?
Thanks for any responses.
Jeff Davidson
CH 601 HD
Message 7
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--> Zenith-List message posted by: CoJo331@aol.com
Another option you might want to consider is if you
want the standard hingless aileron or the piano
hinged option. I believe the hingless design is
furnished if not otherwise specified happy building.
Message 8
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| Subject: | Re: Number of Propeller Blades. |
--> Zenith-List message posted by: "Ron Crook" <ronflys701@hotmail.com>
3blades climb...2blades cruise
>From: "BIANCO Tadeusz Forgacz" <info@bianco.pl>
>To: <zenith-list@matronics.com>
>Subject: Re: Zenith-List: Number of Propeller Blades.
>Date: Sat, 4 Feb 2006 09:12:04 +0100 (rodkowoeuropejski czas stand.)
>
>--> Zenith-List message posted by: "BIANCO Tadeusz Forgacz"
><info@bianco.pl>
>
>
>Most effective is one blade propeller. More blades You have more quite
>propeller will be itself, and also engine will have to work on lower RPM.
>
>Tadeusz Forgacz
>CH601 main spar and wings spars almost finished :)
>
>
>-------Original Message-------
>
>From: Gary Gower
>Date: 02/04/06 07:43:50
>To: zenith-list@matronics.com
>Subject: Re: Zenith-List: Number of Propeller Blades.
>
>--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
>Now that you talked propellers, There is a limit in size & weight
>(mass?),
>given the giroscopic forces over the reduction drive... Read about it but
>cant remember where.
>
> Saludos
> Gary Gower.
>
>Ken Erickson <ericksonkenneth@hotmail.com> wrote:
> --> Zenith-List message posted by: "Ken Erickson"
>
>I am curious what might be advantages/disadvantages using a 2, 3 or 4-blade
>propeller on a 701 using a Rotax 912UL/912ULS. Would there be a performance
>advantage on a 701 during take-off etc.?
>
>Ken Erickson
>CH701 scratch building
>rudder done...
>
>--------
>CH701 Scratch Builder
>
>---------------------------------
>
>
Don't just Search. Find! http://search.sympatico.msn.ca/default.aspx The new
Message 9
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--> Zenith-List message posted by: "Pete Krotje" <pkrotje@athenet.net>
Peter,
Jabiru USA will be building a cowl plug for the 701 this next week and will
have cowls available for the 2200 or 3300 installation in the Zenith CH701
Pete
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Peter Drzymala
Sent: Saturday, February 04, 2006 9:24 AM
Subject: Zenith-List: 701 cowel
--> Zenith-List message posted by: "Peter Drzymala" <pdrzymala@nycap.rr.com>
does anybody sell a cowel for 701stol using a jabiru 2200 engine?
pdrzymala@nycap.rr.com
Message 10
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--> Zenith-List message posted by: doug kandle <d_kandle@velocitus.net>
I spoke with Pete Krotje a Jabiru USA rep a couple of weeks ago. He
said that they are working on a fiberglass cowling that will work
with both the 2200 and 3300. He said it should be available in late
March early April.
At 08:24 AM 2/4/2006, you wrote:
>--> Zenith-List message posted by: "Peter Drzymala" <pdrzymala@nycap.rr.com>
>
>does anybody sell a cowel for 701stol using a jabiru 2200
>engine? pdrzymala@nycap.rr.com
>
>
Message 11
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| Subject: | bubble doors in Fl Lauderdale FL |
--> Zenith-List message posted by: Brett Hanley <bretttdc@yahoo.com>
I am looking for a 701 with bubble doors in or around
Ft Lauderdale FL. I would like to take a look at them
if possible. Is there anyone out there that can help?
Anyone flying to Sun N Fun with bubble doors?
Brett Hanley
CH 701 plans built
San Jose, Costa Rica
(506)771-7078
(506)371-4064
Message 12
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| Subject: | Re: Corrosion Prevention: Alodine and Zinc Chromate |
--> Zenith-List message posted by: Dan Morehouse <messydeer@yahoo.com>
Thanks, Keith. I thought I replied earlier, but I think it got bounced.
I've spent some time emailing and talking with people on the phone. Matt Clark
of Henkel, makers of Alodine, talked with me for a good 15 minutes. Here's what
he had to say:
The corrosion that occurred in my stacked sheets of 6061 left outside in the
rain will continue to occur, even though they are now dry and sitting indoors.
He suggested cleaning them with Alumiprep and then immediately treating with
Alodine. I asked if I couldn't just clean w/ Alumiprep and not Alodine. Then use
Alumiprep again and then Alodine right after making the part. Sounded good
to me.
But he said corrosion would still occur, even after cleaning off the old corrosion.
He mentioned mills put an anticorrosive finish on, which has now been degraded.
That still sounds like overkill to me. What do you say?
I also called Vic at MacDermid, makers of Iridite, which is a conversion coating
similar to Alodine. He didn't think corrosion would continue after cleaning/etching,
but was only going on personal experience.
I hate to go through all the trouble of Alodining all 20 sheets, especially all
at once. So I am thinking of a middle of the road approach: clean them all
up now with Alumiprep then check every few months for corrosion.
I also had one person ask why not anodize. I've never heard anybody doing that
in small airplane construction. I did a quick search and found one type (sulfuric?)
weakens the aluminum substantially, while chromium doesn't do so near
as much. I also would guess it's expensive?
Take care,
Dan
---------------------------------
Brings words and photos together (easily) with
Message 13
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| Subject: | Re: Number of Propeller Blades. |
--> Zenith-List message posted by: "Larry" <lrm01@centurytel.net>
One blade would be just a little unbalanced, wouldn't it? Two might be
better.
Just kidding, I know what you meant.
Do Not Archive
Larry, N1345L, www.skyhawg.com
----- Original Message -----
From: "BIANCO Tadeusz Forgacz" <info@bianco.pl>
Sent: Saturday, February 04, 2006 2:12 AM
Subject: Re: Zenith-List: Number of Propeller Blades.
> --> Zenith-List message posted by: "BIANCO Tadeusz Forgacz"
> <info@bianco.pl>
>
>
> Most effective is one blade propeller. More blades You have more quite
> propeller will be itself, and also engine will have to work on lower RPM.
>
> Tadeusz Forgacz
> CH601 main spar and wings spars almost finished :)
>
>
> -------Original Message-------
>
> From: Gary Gower
> Date: 02/04/06 07:43:50
> To: zenith-list@matronics.com
> Subject: Re: Zenith-List: Number of Propeller Blades.
>
> --> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
> Now that you talked propellers, There is a limit in size & weight
> (mass?),
> given the giroscopic forces over the reduction drive... Read about it
> but
> cant remember where.
>
> Saludos
> Gary Gower.
>
> Ken Erickson <ericksonkenneth@hotmail.com> wrote:
> --> Zenith-List message posted by: "Ken Erickson"
>
> I am curious what might be advantages/disadvantages using a 2, 3 or
> 4-blade
> propeller on a 701 using a Rotax 912UL/912ULS. Would there be a
> performance
> advantage on a 701 during take-off etc.?
>
> Ken Erickson
> CH701 scratch building
> rudder done...
>
> --------
> CH701 Scratch Builder
>
> ---------------------------------
>
>
> --
>
>
Message 14
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--> Zenith-List message posted by: James Sagerser <alaskajim@cox.net>
On 2/4/06 8:24 AM, "Peter Drzymala" <pdrzymala@nycap.rr.com> wrote:
> --> Zenith-List message posted by: "Peter Drzymala" <pdrzymala@nycap.rr.com>
>
> does anybody sell a cowel for 701stol using a jabiru 2200 engine?
> pdrzymala@nycap.rr.com
>
>
>
>
>
Call this guy: His name is Raymond Miller, 907-688-2720
Message 15
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| Subject: | Re: Number of Propeller Blades. |
--> Zenith-List message posted by: "Leo Gates" <leogates@allvantage.com>
2 blades - In-flight adjustable: Climb and Cruise
Leo Gates
N601Z
Do not archive
----Original Message-------
From: Ron Crook
Subject: Re: Zenith-List: Number of Propeller Blades.
--> Zenith-List message posted by: "Ron Crook" <ronflys701@hotmail.com>
3blades climb...2blades cruise
>From: "BIANCO Tadeusz Forgacz" <info@bianco.pl>
>To: <zenith-list@matronics.com>
>Subject: Re: Zenith-List: Number of Propeller Blades.
>Date: Sat, 4 Feb 2006 09:12:04 +0100 (rodkowoeuropejski czas stand.)
>
>--> Zenith-List message posted by: "BIANCO Tadeusz Forgacz"
><info@bianco.pl>
>
>
>Most effective is one blade propeller. More blades You have more quite
>propeller will be itself, and also engine will have to work on lower RPM
>
Message 16
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| Subject: | Re: Number of Propeller Blades. |
--> Zenith-List message posted by: NYTerminat@aol.com
Larry have you been up yet? Wondering how those wings and engine perform. Was
wondering how much better the spped was with those wings.
Bob Spudis
N701ZX/912S 15hrs
In a message dated 2/4/2006 6:58:04 PM Eastern Standard Time,
lrm01@centurytel.net writes:
--> Zenith-List message posted by: "Larry" <lrm01@centurytel.net>
One blade would be just a little unbalanced, wouldn't it? Two might be
better.
Just kidding, I know what you meant.
Do Not Archive
Larry, N1345L, www.skyhawg.com
Message 17
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| Subject: | Re: FAA Alerts had CH701 items this month. |
--> Zenith-List message posted by: JERICKSON03E@aol.com
In a message dated 2/4/2006 12:33:33 AM Central Standard Time,
n7cr@bellsouth.net writes:
If you look at the photos on pages 13 and 14, notice the wear on the gusset
edge. This is caused when the elevator is at full up position and 7H5-3 horn
angle bangs against the gusset. I guess it's intended as an elevator stop?
Sounds like the position when the AC is parked, with the stick secured in the
full back position. Perhaps secured back with the seat belt? Perhaps loosens
a little, then works in the wind?
We could be doing the damage ourselves.
Is there another, better, way to secure the elevator?
Message 18
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| Subject: | Re: Fuel System on 6K2 |
--> Zenith-List message posted by: JAPhillipsGA@aol.com
Jeff, I built an XL with wing tanks and no header. I have duel controls so
the standard twin fuel valves between your ankles would not work. I installed a
console and a three way valve on the floor to the right front of the
gasalator. I sent photos of the system to the 601.org web site and they were still
on
it a couple months ago. The system has worked well for me and I have over 50
hours on it. I am not sure how the plumbing goes on an HD/HDS so it might not
work out. I sealed my gasalator with silicone after I flew the plane a while so
I could detect any leaks. The safety wire was not a problem. I then made a
stream line cover for the gasolator where only the drain nipple is exposed. Looks
pretty good. Best regards, Bill N505WP 601XL-3300w/dc
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