Today's Message Index:
----------------------
1. 03:11 AM - Chuck, landing information (David & Maria Lumgair)
2. 05:40 AM - Re: Jabiru Electrical Budget (ac6qj@earthlink.net)
3. 07:00 AM - Re: Jabiru Electrical Budget (Dave Austin)
4. 07:31 AM - Re: Instrument panel layout (Mark Wood)
5. 08:11 AM - Re: Question about Painting & Alodining (Mark Wood)
6. 11:31 AM - Re: Chuck, landing information (Gary Gower)
7. 12:53 PM - Re: Chuck, landing information (David & Maria Lumgair)
8. 02:24 PM - Link info (Aaron)
9. 03:40 PM - Re: Link info (Hal Rozema)
Message 1
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| Subject: | Chuck, landing information |
--> Zenith-List message posted by: "David & Maria Lumgair" <dlummy@visi.net>
Try this link below:
http://www.acomodata.com/zenair701/flying%203.htm
Message 2
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| Subject: | Re: Jabiru Electrical Budget |
--> Zenith-List message posted by: ac6qj@earthlink.net
>--> Zenith-List message posted by: Jim and Lucy <jpollard@mnsi.net>
>
>
>Hello Ray
>
>The Jabiru website states that the alternator is 15 amps
>continuous and 22 AMPs intermittant they do not say
>how long their intermittant time is. They must have some
>duty cycle in mind to state this, so this may be
>worse than your description below. You also did not
>include your electrical aux fuel pump.
>However I would not include the landing lights as they are
>only on for a small part of the flight and the battery can handle
>them for the small amount of time they are on. Also the 5.5 amps
>for the navcom is way too much. It may use that while transmitting
>but no way that much all the time. Another alternator could be
>fitted to the vacuum drive. If it is a standard mount B and C
>Specialty products will have one for it.
>
>Jim Pollard
>ch601hds
>ea81
>
Hi Jim,
Thanks for the response. The Jabiru 3300 recently had a change to
the generator that increased the capacity to 20 amps continuous.
This is not reflected in the information provided on all the Jabiru
web sites but is indicated on the manufacturer's web site at
<http://www.jabiru.net.au/> (view by clicking 'Engines' and then
scroll down to the 3300 and click on it). This information is also
indicated on the Jabiru USA dealer web site. This information is not
indicated on the Sun Coast Jabiru dealer web site.
True, landing lights aren't always needed and I rarely use one.
Never the less, there are times when one is necessary. It is
altogether proper to consider the worse case scenario here. I don't
want to worry about sequencing use of my electrical system in flight.
Under normal circumstances it would be possible to do so. Under
abnormal circumstances then I would not want to increase the cockpit
work load with a task that most certainly would not be encountered in
any other aircraft as a matter of normal operating procedure.
The nav/com figure is directly out of my manual and indicates the
amount of current consumption when the transmitter is keyed down. I
think it is reasonable to expect to use the transmitter when the
landing light is on.
Thanks for the suggestion about using the vacuum pump drive. I
expect to have a vacuum pump installed.
--
Best regards, Ray Montagne
Cupertino, CA
Zenith CH601-XL
Builder #4939
Message 3
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| Subject: | Re: Jabiru Electrical Budget |
--> Zenith-List message posted by: "Dave Austin" <daveaustin2@sprint.ca>
Just my humble opinion, and electrical engineering training, somewhat old..
Your load calculations should reasonably include those loads that are being
imposed under normal cruise conditions. Transient loads of short duration
should not concern you. eg., the transmit load is very short, the landing
light use is probably no longer than 5 minutes etc..
The key in your calculations should be that the current drain in "cruise"
should be no more than 85% of maximum generator output. I agree with Jim,
the battery will more than handle the short term requirements. For example,
if your battery is a 200 amp/hour capacity, you can exceed your generator
output by 200 amps for one hour before it goes flat.
Dave Austin 601HDS - 912
Message 4
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| Subject: | Re: Instrument panel layout |
--> Zenith-List message posted by: Mark Wood <mawood@zoo.uvm.edu>
>> >
>> > here is what I did:
>> > using a CAD software - AutoCad in my case - I made a drawing of the IP.
>> > Then, using the templates provided by the A/S catalogue I drew all the
>> > instruments plus the cut-out area and center hole for each instrument.
>>
For people who want to go the High Tech way the CAD is great. However I
like the KISS method whenever possible. This is what I did
1. For each instrument, drew a circle on paper to the outside of the face
and marked the center.
2. Cut out the circles.
3. Placed the circles on the instrument panel until they looked good.
4. Stuck them on with tape, and checked with the panel in place on the
plane and me in the seat. (had to move some a little.)
5. Marked through the centers, measured the diameter of the instrument
body, and drilled.
Simple and worked fine.
Mark Wood
Message 5
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| Subject: | Re: Question about Painting & Alodining |
--> Zenith-List message posted by: Mark Wood <mawood@zoo.uvm.edu>
The process for painting goes one of two ways.
(Someone please correct me if I am wrong, I am no expert, and it has been
some time.)
Method 1, Good wash, acid wash, alodine, prime, paint.
Method 2, Good wash, etching primer, paint.
Method 2 saves some steps but not money as the etching primer costs more.
Talk to a good paing supplier for good info. I stopped in at my paint store
many times before I purchesed paint. They were happy to help me out.
Mark Wood
>I was looking through the archives for information on acid etch
>followed by alodining, and while I didn't find too many folks using it
>internally before priming
>My questions are:
>
>What external painting systems require the alodining process? If they don't
>require it, do they recommend it? (Looking through big corporate websites
>for the manufacturers like Dupont yields very little results that I could
>find)
>
>If a person was planning to paint their plane after alodining the exterior,
>would it make sense to alodine the exterior during construction and leave
>the unpainted alodined exterior for a year or more until such time as
>painting? (Would you want to go ahead and do the rivets as well, since the
>heads would be getting it if you did it after assembly)
Message 6
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| Subject: | Re: Chuck, landing information |
--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
David,
The complete web page is GREAT! I just fall in love with the hangar.
His landing strip near the "Barn" is wonderful, I will certainly put at
least some yellow "caution" vinil tape in the fence at the end of the
landing strip.
I am sending a copy of this mail to Niol, Congratulations for your Web
page Niol!
Saludos
Gary Gower
CH 701 912S
Guadalajara, Jalisco Mexico.
--- David & Maria Lumgair <dlummy@visi.net> wrote:
> --> Zenith-List message posted by: "David & Maria Lumgair"
> <dlummy@visi.net>
>
> Try this link below:
> http://www.acomodata.com/zenair701/flying%203.htm
>
Message 7
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| Subject: | Re: Chuck, landing information |
--> Zenith-List message posted by: "David & Maria Lumgair" <dlummy@visi.net>
Wish it was my page - wish it was my plane - I came across it while trying
to deciede wether I wanted to build a 601 or 701 - It was the first honest
source I found as to the handling of the 701 - I do wish more people would
do sites that are so informative. Dave
----- Original Message -----
From: "Gary Gower" <ggower_99@yahoo.com>
Subject: Re: Zenith-List: Chuck, landing information
> --> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
> David,
>
> The complete web page is GREAT! I just fall in love with the hangar.
>
> His landing strip near the "Barn" is wonderful, I will certainly put at
> least some yellow "caution" vinil tape in the fence at the end of the
> landing strip.
>
> I am sending a copy of this mail to Niol, Congratulations for your Web
> page Niol!
>
> Saludos
> Gary Gower
> CH 701 912S
> Guadalajara, Jalisco Mexico.
>
>
> --- David & Maria Lumgair <dlummy@visi.net> wrote:
> > --> Zenith-List message posted by: "David & Maria Lumgair"
> > <dlummy@visi.net>
> >
> > Try this link below:
> > http://www.acomodata.com/zenair701/flying%203.htm
> >
>
>
Message 8
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--> Zenith-List message posted by: "Aaron" <agustafson@chartermi.net>
Can someone tell me the link to the Zenith builders site
Aaron
Off list is fine
DO NOT ARCHIVE
Message 9
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--> Zenith-List message posted by: Hal Rozema <hartist1@cox.net>
http://ZENITHAIR.com/factory.htm
Aaron wrote:
> --> Zenith-List message posted by: "Aaron" <agustafson@chartermi.net>
>
> Can someone tell me the link to the Zenith builders site
> Aaron
> Off list is fine
> DO NOT ARCHIVE
>
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