Today's Message Index:
----------------------
1. 01:06 AM - Re: Engine altitude limits. Turbo? (Gary Gower)
2. 01:12 AM - Chromate or ? (Howard Carter)
3. 06:35 AM - Re: Engine altitude limits (Don Mountain)
4. 07:16 AM - Powerful Stuff! (bill naumuk)
5. 07:43 AM - Re: Zodiac XL: Your Empty weight / Center of Gravity (Jack Russell)
6. 09:26 AM - Re: Powerful Stuff! (Rick R)
7. 09:59 AM - Air hose size (MikeH)
8. 10:41 AM - Re: Air hose size (cgalley)
9. 10:46 AM - Re: Air hose size (Jari Kaija)
10. 10:50 AM - Re: Powerful Stuff! (Larry McFarland)
11. 11:06 AM - Tire pressure problem (Larry McFarland)
12. 01:23 PM - Re: Zenith-List Digest: 34 Msgs - 12/27/05 (EMAproducts@AOL.COM)
13. 02:33 PM - XL Aux fuel tanks (Chris sinfield)
14. 03:28 PM - Re: XL Aux fuel tanks (Robin Bellach)
15. 03:39 PM - Re: XL Aux fuel tanks (Paul Mulwitz)
16. 03:45 PM - New builders, read this!! (bill naumuk)
17. 04:02 PM - Re: Powerful Stuff! (bill naumuk)
18. 04:07 PM - Re: XL Aux fuel tanks (Craig Payne)
19. 04:10 PM - Re: XL Aux fuel tanks (Robin Bellach)
20. 04:37 PM - Re: XL Aux fuel tanks / "small" (Carlos Sa)
21. 04:43 PM - Re: Air hose size (Bryan Martin)
22. 05:29 PM - Re: XL Aux fuel tanks (Paul Mulwitz)
23. 06:06 PM - Re: XL Aux fuel tanks / "small" (Craig Payne)
24. 06:21 PM - Re: XL Aux fuel tanks (Brandon Tucker)
25. 07:49 PM - Re: Tire pressure problem (Randy Stout)
26. 07:56 PM - REDUCTIONS CONVERSIONS ()
27. 08:34 PM - Altitude limitations - 12/27/05 (EMAproducts@aol.com)
28. 08:40 PM - Re: Zenith-List Digest: 34 Msgs - 12/27/05 (EMAproducts@aol.com)
29. 08:45 PM - Altitude peformance - 12/27/05 (EMAproducts@aol.com)
30. 11:42 PM - Aux tank plumbing (Chris sinfield)
Message 1
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| Subject: | Re: Engine altitude limits. Turbo? |
--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
I dont know if I am wrong about what I spect from the Aircraft Turbo Corvair
engine, once is tested and OK'd by W.W.
The idea I have for a Turbo aircraft engine, is not getting "X %" more horse
power from the same engine, this will dramatically lower the TBO time, and worse,
could lead to engine failure risk caused by the over stress and heat...
The idea is to take the "sea level pressure" up where the airplane is flying.
Just to give similar performance (same 100 hp) at all take off altitudes.
Properly managing the waste gate.
This will make me happy, and also a lots of pilots in Colorado, Arizona, etc.
states with high airports.
Is this asking too little from this particular set up?
Saludos
Gary Gower
Chapala grass strip
2,100 ft long at 5,049 ft ASL. @ 90F + at noon in summer.
Robin Bellach <601zv@ritternet.com> wrote:
--> Zenith-List message posted by: "Robin Bellach" <601zv@ritternet.com>
Don,
I've chosen the Corvair for my XL, and have installed the TB-10 turbo cam
in hopes that WW will complete a satisfactory turbo setup. I experienced
that same ceiling problem with my C-172 out west. Even with the turbo cam
and naturally aspirated my Corvair generated more power than an O200 on WW's
test stand so I expect my 601 ZenVair to outperform my old 172 even if I
don't install a turbo.
----- Original Message -----
From: "Don Mountain"
Subject: Zenith-List: Engine altitude limits
> --> Zenith-List message posted by: Don Mountain
>
> As I work through the decision process of selecting an engine for my
601 XL, I was wondering what sort of practical altitude limits everybody
was getting with their 601 XL's with various engines. I fly from Iowa
occasionally out through the Rocky Mountains, but my Piper Cherokee's limit
of about 13,500 feet is kind of close. Are any of the auto engine
conversions doing better than that? What is a good selection for an engine
to reach these altitudes?
>
> Don
> 601 XL, tail done, working on wings
>
---------------------------------
Ring in the New Year with Photo Calendars. Add photos, events, holidays, whatever.
Message 2
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--> Zenith-List message posted by: Howard Carter <howado@saber.net>
To Dave van Lanen:
when anyone suggests an anticorrosion paint, ask them if it will pass
the MIL Spec salt spray test. If not, caveat emptor!
Howard Carter
CH701 25%
Message 3
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| Subject: | Re: Engine altitude limits |
--> Zenith-List message posted by: Don Mountain <mountain4don@yahoo.com>
If I were to apply physics to this problem of compressable fluid flow, then we
would also have to look at the pressure reducing flow characteristics of the
entire intake track, and the velocity of the fuel-air mixture through this intake
track. In other words to avoid this pressure reducing problem from the
airfilter to the combustion chamber, we would need the following characteristics:
1) Maximize pressure on the intake with an air gathering plenum and or high
flow air filter.
2) Reduce air velocity through the intake with large diameter tubing.
3) Maintain laminar flow through the system to avoid eddy currents that will
slow down the flow - make it smooth.
4) Make the intake tract as short as possible to reduce the friction losses.
5) Use a large capacity or volume carborator throat to reduce the velocity.
6) Use large diameter intake valves.
7) Maximize the intake ports and valves used in the engine head, port and polish.
8) Select an engine with a reasonably slow piston running speed to slow down
the required intake air/fuel mixture speed to reduce friction.
Don
601 XL, tail done, working on wings
--> Zenith-List message posted by: Bryan Martin
>It doesn't matter if the engine is fuel
>injected or not. If it's not supercharged,
>the engine will only have about 60% of
>its sea level power available at 13,500
>feet. This assumes that some form of
>altitude compensation, either manual
>or automatic, is used to maintain the
>proper mixture. Fuel injection will allow
>the same engine to operate a bit more
>efficiently and give a bit more power.
>But with only half the oxygen available,
>only half as much power can be
>produced. It's a simple law of physics.
>
>-- Bryan Martin
>N61BM, CH 601 XL, Stratus Subaru.
>
>do not archive.
---------------------------------
Message 4
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--> Zenith-List message posted by: "bill naumuk" <billn@velocity.net>
All-
My zinc oxide primer nozzle clogged for the first time in 3 cans, probably
due to the balmy temperatures here in NW Pennsylvania. Figured I'd try a fix offered
on the list, soaking the nozzle in laquer thinner. Put maybe 1/2" worth
in a plastic cup and dropped the nozzle in.
The bad news is, the lacquer thinner ate the bottom off the cup in a matter
of seconds.
The good new is, it cleared the clog up pronto. Looks like I'll be working
on the center wing/fuselage by the end of the week.
Wishing you good luck with your projects in '06.........
Bill
Message 5
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| Subject: | Zodiac XL: Your Empty weight / Center of Gravity |
--> Zenith-List message posted by: Jack Russell <clojan@sbcglobal.net>
--> Zenith-List message posted by: "Lance Gingell"
My empty weight is 712lbs, CG is 264.8.
I'm still not painted yet, so that will add a bit.
Lance sent me his weight and balance as a example and I just did mine yesterday.
I got 740 cg of 311. I am set up about the same as Lance but do have paint
and a full interior. I did some examples with full tanks and two people180lbs
andI can only get 40 lbs luggage for a total wt of 1284lbs. The problem with
this senario is that when the fuel goes to 0 my cg is 479 which is aft of the
450 limit. I may get a bigger battery for the firewall.
I also expected my WL,WR,WN measurement to be the same as lances' but I came
up with a WR WL of 770 and a WN of -535 which was quite a ways off of Lance's
measurement. I would be interested in others.
Jack Russell -Clovis CA
601 XL Jabiru 3300
Progress update at:
http://www.geocities.com/clojan@sbcglobal.net/zodiacbarn.html
Message 6
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| Subject: | Re: Powerful Stuff! |
--> Zenith-List message posted by: Rick R <rick@n701rr.com>
Been there done that Bill. I stopped using Z Oxide because every can clogged up.
Went back to Z Chromate...never, never clogs. (at least for me)
Rick
Orlando, FL. USA
http://www.n701rr.com
Message 7
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--> Zenith-List message posted by: MikeH <mhilderbrand@cox.net>
Hope someone can help me with my compressed air system. I went from
running a 3/8" hose mounted across the ceiling of my garage connected to
a reel with 3/8" pvc type hose. This hose became very difficult to work
with(in the cold, being stiff). I changed my system to copper tubing
1/2 " mounted across my ceiling (striving for a more professional
system)to the reel in a similar fashion as before. On the reel, I wanted
something more flexible/ easier to work with. Instead of using a rubber
hose I bought a " Roof/Framing air hose made from Polyurethane It is
1/4" X 100' - 200psi this stuff is really light weight! After running
my air drill it seems it does not turn as fast as before. The psi is the
same from the compressor too the drill. Would the 1/2" copper tubing
make a diff. or the 1/4 " hose? Thanks for any input
mike
do not archive
Message 8
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| Subject: | Re: Air hose size |
--> Zenith-List message posted by: "cgalley" <cgalley@qcbc.org>
1/4" hose cross section is much less than the 3/8" as it is less than 1/2
the area.
Cy Galley - Chair,
AirVenture Emergency Aircraft Repair
A Service Project of Chapter 75
EAA Safety Programs Editor - TC
EAA Sport Pilot
AND old math teacher.
----- Original Message -----
From: "MikeH" <mhilderbrand@cox.net>
Subject: Zenith-List: Air hose size
> --> Zenith-List message posted by: MikeH <mhilderbrand@cox.net>
>
> Hope someone can help me with my compressed air system. I went from
> running a 3/8" hose mounted across the ceiling of my garage connected to
> a reel with 3/8" pvc type hose. This hose became very difficult to work
> with(in the cold, being stiff). I changed my system to copper tubing
> 1/2 " mounted across my ceiling (striving for a more professional
> system)to the reel in a similar fashion as before. On the reel, I wanted
> something more flexible/ easier to work with. Instead of using a rubber
> hose I bought a " Roof/Framing air hose made from Polyurethane It is
> 1/4" X 100' - 200psi this stuff is really light weight! After running
> my air drill it seems it does not turn as fast as before. The psi is the
> same from the compressor too the drill. Would the 1/2" copper tubing
> make a diff. or the 1/4 " hose? Thanks for any input
> mike
> do not archive
>
>
>
Message 9
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| Subject: | Re: Air hose size |
--> Zenith-List message posted by: "Jari Kaija" <jari.kaija@pp.inet.fi>
> same from the compressor too the drill. Would the 1/2" copper tubing
> make a diff. or the 1/4 " hose? Thanks for any input
Eh :-) Never wonder, how _much_ water runs in Missisippi river
and how much water runs in your toilet, when you flush it?
...You have problem with _amount_ of air, not with air pressure.
Message 10
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| Subject: | Re: Powerful Stuff! |
--> Zenith-List message posted by: Larry McFarland <larrymc@qconline.com>
Bill,
Yesterday I was zinc priming some jacks and found that if you're quick,
you can remove the nozzle
and blow hard thru the round end and replace it and continue to spray.
Might take several attempts
but it worked for me after the third effort. I was in cooler temps than
normal which I believe was the
problem.
Larry McFarland
do not archive
bill naumuk wrote:
>--> Zenith-List message posted by: "bill naumuk" <billn@velocity.net>
>
>All-
> My zinc oxide primer nozzle clogged for the first time in 3 cans, probably
due to the balmy temperatures here in NW Pennsylvania. Figured I'd try a fix
offered on the list, soaking the nozzle in laquer thinner. Put maybe 1/2" worth
in a plastic cup and dropped the nozzle in.
> The bad news is, the lacquer thinner ate the bottom off the cup in a matter
of seconds.
> The good new is, it cleared the clog up pronto. Looks like I'll be working
on the center wing/fuselage by the end of the week.
> Wishing you good luck with your projects in '06.........
>
>
>
Message 11
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| Subject: | Tire pressure problem |
--> Zenith-List message posted by: Larry McFarland <larrymc@qconline.com>
Hi guys,
This past week I've been airing up tires and found that my left main
was down by 3 PSI per day, so I removed the wheel and tire and brought
it home. Didn't see anything so I finally disassembled
the tire and wheel and found a small crack around one quarter the
perimeter and
directly next to the valve stem. The 3.5 x 8.0 tube would have to be
replaced.
Remembering the chatter on tire pressure, I realized that even though
the tires
are a good fit, 36 psi on the tire can't be ignored and left too low.
I've been using
25 psi, but the tire and tube may be shifting slightly during touch down.
After about 100 landings at 80 hours, the tube was like new but for this
stress point at the stem. Going to try to hold them at 32 psi from now on
to see if that was the problem. I've no wear showing on the S83 Michelin
3.5 x 8.0 tires at all.
Perhaps it's better to hold most of the rated PSI to avoid a flat at some
obscure airport one day.
Have a good one,
Larry McFarland - 601HDS at www.macsmachine.com
Message 12
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| Subject: | Re: Zenith-List Digest: 34 Msgs - 12/27/05 |
--> Zenith-List message posted by: EMAproducts@aol.com
Zenith builders & owners
As everyone who was at OSH in '05 knows Monday night we had a big blow.
Unfortunately, my album of photos was nearly totally destroyed by moisture when
our tents blew down. Many of the photographs were originals and sadly I had
no duplicates. Between this and a computer hard drive failure I have lost a
large number of photos from my customers.
I am unable to contact many due to e-mail address changes, moving etc. If
you have the RiteAngle installed on your aircraft please send me either via
e-mail or postal a copy if you would. I lost many photos going back over 10
years from our R&D days. Thanks in advance!
Sincerely,
Elbie
Elbie Mendenhall
EM Aviation, LLC
13411 NE Prairie Rd
Brush Prairie, WA 98606
360-260-0772
_www.riteangle.com_ (http://www.riteangle.com/)
Message 13
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| Subject: | XL Aux fuel tanks |
--> Zenith-List message posted by: Chris sinfield <chris_sinfield@yahoo.com>
Hi
Guess what the wife signed off on for Christmas.. Yes the rest of the kit.. now
the rudder is finished.. Since I will be getting all the bits in one Order
I would like to pose a Q to the builders of the XL with the duel Aux tank set
up.
Flying in the Aussie Outback requires you to sometimes buy fuel in 44 Gal drums..
yes 2 X 11gal tanks means you have to leave 1/2 of the drum behind (Great
for the next guy but bad and very expensive for you) So I plan to have the 2
extra tanks fitted in the leading edge for the odd time I need it..So
How have people plumbed it?.
I could not find much in the archives about the tanks so I have to ask here.
Zenith say to plumb each tank to the center via a 5 way fuel selector. I have
also been told by other non Zenith builders that I could just have a fuel transfer
line and solenoid and just fill up the mains as required and keep the plumbing
simple to inside the Fuse. So what have others done ahead of me? No need
to re invent the wheel..
Also where can you get all the back issues of the newsletters? do they come with
the complete kit on CD or what? and are they worth getting for the first time
builder?
Chris
Down Under..
Archive the answers
for others to follow..
---------------------------------
Message 14
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| Subject: | Re: XL Aux fuel tanks |
--> Zenith-List message posted by: "Robin Bellach" <601zv@ritternet.com>
I did the aux tanks with the ZAC supplied parts (5-way Andair valve etc.)
per the plans. But, I installed the 4 VW senders in the tops of the tanks
and they protrude above the wing skin - if was doing it over I would install
them in the side.
----- Original Message -----
From: "Chris sinfield" <chris_sinfield@yahoo.com>
To: "zenith- list" <zenith-list@matronics.com>
Sent: Wednesday, December 28, 2005 4:29 PM
Subject: Zenith-List: XL Aux fuel tanks
> --> Zenith-List message posted by: Chris sinfield
<chris_sinfield@yahoo.com>
>
> Hi
> Guess what the wife signed off on for Christmas.. Yes the rest of the
kit.. now the rudder is finished.. Since I will be getting all the bits in
one Order I would like to pose a Q to the builders of the XL with the duel
Aux tank set up.
>
> Flying in the Aussie Outback requires you to sometimes buy fuel in 44
Gal drums.. yes 2 X 11gal tanks means you have to leave 1/2 of the drum
behind (Great for the next guy but bad and very expensive for you) So I plan
to have the 2 extra tanks fitted in the leading edge for the odd time I need
it..So
>
> How have people plumbed it?.
>
> I could not find much in the archives about the tanks so I have to ask
here.
> Zenith say to plumb each tank to the center via a 5 way fuel selector.
I have also been told by other non Zenith builders that I could just have a
fuel transfer line and solenoid and just fill up the mains as required and
keep the plumbing simple to inside the Fuse. So what have others done ahead
of me? No need to re invent the wheel..
>
> Also where can you get all the back issues of the newsletters? do they
come with the complete kit on CD or what? and are they worth getting for the
first time builder?
>
> Chris
> Down Under..
> Archive the answers
> for others to follow..
>
>
> ---------------------------------
>
>
>
>
>
>
>
>
>
>
>
Message 15
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| Subject: | Re: XL Aux fuel tanks |
--> Zenith-List message posted by: Paul Mulwitz <p.mulwitz@worldnet.att.net>
Hi Chris,
I was not aware of anyone adding aux. tanks to an XL. That is an
option for other Zodiac models (I think).
The two basic fuel configurations for the XL are "Standard" 12 gallon
tanks in each wing and "Long Range" 15 gallon tanks.
I opted for the standard tanks for a number of reasons. The most
important one is that my bladder is only good for a few hours in the
air at most and there is no head in a two seater. Your issue of
having to buy 44 gallons at a time is not one that I face here in the USA.
The arrangement that comes with the kit selects one tank for use at a
time. I understand this is common practice with low wing airplanes,
but I am not exactly sure why it is.
I don't know if you are planning on solo flying most of the time. I
wonder if you load up your plane with extra fuel how much weight you
will have left for passenger and baggage.
Good luck with your kit.
Paul
XL wings
At 02:29 PM 12/28/2005, you wrote:
>--> Zenith-List message posted by: Chris sinfield <chris_sinfield@yahoo.com>
>
>Hi
> Guess what the wife signed off on for Christmas.. Yes the rest of
> the kit.. now the rudder is finished.. Since I will be getting all
> the bits in one Order I would like to pose a Q to the builders of
> the XL with the duel Aux tank set up.
>
> Flying in the Aussie Outback requires you to sometimes buy fuel
> in 44 Gal drums.. yes 2 X 11gal tanks means you have to leave 1/2
> of the drum behind (Great for the next guy but bad and very
> expensive for you) So I plan to have the 2 extra tanks fitted in
> the leading edge for the odd time I need it..So
>
> How have people plumbed it?.
>
> I could not find much in the archives about the tanks so I have
> to ask here.
> Zenith say to plumb each tank to the center via a 5 way fuel
> selector. I have also been told by other non Zenith builders that I
> could just have a fuel transfer line and solenoid and just fill up
> the mains as required and keep the plumbing simple to inside the
> Fuse. So what have others done ahead of me? No need to re invent the wheel..
>
> Also where can you get all the back issues of the newsletters? do
> they come with the complete kit on CD or what? and are they worth
> getting for the first time builder?
>
> Chris
> Down Under..
> Archive the answers
> for others to follow..
>
>
---------------------------------------------
Paul Mulwitz
32013 NE Dial Road
Camas, WA 98607
---------------------------------------------
Message 16
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| Subject: | New builders, read this!! |
--> Zenith-List message posted by: "bill naumuk" <billn@velocity.net>
Z buddies-
While summarizing my files for the end of the year, I came to the conclusion
that:
I'm sure there isn't one of us that didn't wish there had been a little guy
that came with our plans/kit to smack us up-side of the head to bring us down
to reality when it came to building a Zenith. The claim that "Anyone can do it"
should be changed to "Anyone, given enough time and analytical skills they
don't currently possess, can do it". I don't think there's a builder out there
that hasn't inexplicably screwed up big time.
Talk about a learning curve-
2003-
221. 75 hrs spent working on kit, 40.5 hrs spent in work that didn't have to
be done again.
2004-
73 hrs spent in work that didn't have to be done again before I quit, then
decided to go back and fix old problems.
2005-
356.0 hrs spent rebuilding, 37.7 hrs actually making progress.
I now have 688.5 hrs in a kit that's supposed to take 400 hrs to build. I suppose
if you deduct the 577.75 hrs I spent building, screwing up, then rebuilding,
I'm right on track.
At least now I have some hope that I'll eventually succeed.
Bill
Message 17
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| Subject: | Re: Powerful Stuff! |
--> Zenith-List message posted by: "bill naumuk" <billn@velocity.net>
----- Original Message -----
From: "Larry McFarland" <larrymc@qconline.com>
Subject: Re: Zenith-List: Powerful Stuff!
> --> Zenith-List message posted by: Larry McFarland <larrymc@qconline.com>
>
> Bill,
> Yesterday I was zinc priming some jacks and found that if you're quick,
> you can remove the nozzle
> and blow hard thru the round end and replace it and continue to spray.
> Might take several attempts
> but it worked for me after the third effort. I was in cooler temps than
> normal which I believe was the
> problem.
Larry-
I'm pretty sure the cold was the problem, too. We went from below
freezing to 53f here (!) and I had no trouble today.
Bill
> >
> >
> >
>
>
Message 18
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| Subject: | XL Aux fuel tanks |
--> Zenith-List message posted by: "Craig Payne" <craig@craigandjean.com>
I think the reason for left-right fuel selectors on low wing planes vs.
left-both-right on high wings is because high wings tend to be gravity feed
while low wings have a fuel pump. The worry is that if you could select both
on a low wing the pump would suck air from the tank that runs dry first. I'm
certain someone will jump in and say that I am wrong so I'll try something
less controversial:
1+1=2 for small values of 1.
-- Craig
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Paul Mulwitz
Subject: Re: Zenith-List: XL Aux fuel tanks
--> Zenith-List message posted by: Paul Mulwitz
--> <p.mulwitz@worldnet.att.net>
Hi Chris,
I was not aware of anyone adding aux. tanks to an XL. That is an option for
other Zodiac models (I think).
The two basic fuel configurations for the XL are "Standard" 12 gallon tanks
in each wing and "Long Range" 15 gallon tanks.
I opted for the standard tanks for a number of reasons. The most important
one is that my bladder is only good for a few hours in the air at most and
there is no head in a two seater. Your issue of having to buy 44 gallons at
a time is not one that I face here in the USA.
The arrangement that comes with the kit selects one tank for use at a time.
I understand this is common practice with low wing airplanes, but I am not
exactly sure why it is.
I don't know if you are planning on solo flying most of the time. I wonder
if you load up your plane with extra fuel how much weight you will have left
for passenger and baggage.
Good luck with your kit.
Paul
XL wings
At 02:29 PM 12/28/2005, you wrote:
>--> Zenith-List message posted by: Chris sinfield
>--> <chris_sinfield@yahoo.com>
>
>Hi
> Guess what the wife signed off on for Christmas.. Yes the rest of
>the kit.. now the rudder is finished.. Since I will be getting all the
>bits in one Order I would like to pose a Q to the builders of the XL
>with the duel Aux tank set up.
>
> Flying in the Aussie Outback requires you to sometimes buy fuel in
> 44 Gal drums.. yes 2 X 11gal tanks means you have to leave 1/2 of the
> drum behind (Great for the next guy but bad and very expensive for
> you) So I plan to have the 2 extra tanks fitted in the leading edge
> for the odd time I need it..So
>
> How have people plumbed it?.
>
> I could not find much in the archives about the tanks so I have to
> ask here.
> Zenith say to plumb each tank to the center via a 5 way fuel
> selector. I have also been told by other non Zenith builders that I
> could just have a fuel transfer line and solenoid and just fill up the
> mains as required and keep the plumbing simple to inside the Fuse. So
> what have others done ahead of me? No need to re invent the wheel..
>
> Also where can you get all the back issues of the newsletters? do
> they come with the complete kit on CD or what? and are they worth
> getting for the first time builder?
>
> Chris
> Down Under..
> Archive the answers
> for others to follow..
>
>
---------------------------------------------
Paul Mulwitz
32013 NE Dial Road
Camas, WA 98607
---------------------------------------------
Message 19
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| Subject: | Re: XL Aux fuel tanks |
--> Zenith-List message posted by: "Robin Bellach" <601zv@ritternet.com>
Paul & Chris,
When I bought my XL kits (over a year ago) the standard was 2 12-gal
tanks, and the standard aux option was 2 more 12-gal tanks, so at that time
the standard was either 24 or 48 gallons total. Now they seem to be offering
only the 15 gal upgrade option for 30 gal max total.
----- Original Message -----
From: "Paul Mulwitz" <p.mulwitz@worldnet.att.net>
Subject: Re: Zenith-List: XL Aux fuel tanks
> --> Zenith-List message posted by: Paul Mulwitz
<p.mulwitz@worldnet.att.net>
> I was not aware of anyone adding aux. tanks to an XL. That is an
> option for other Zodiac models (I think).
> The two basic fuel configurations for the XL are "Standard" 12 gallon
> tanks in each wing and "Long Range" 15 gallon tanks.
Message 20
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| Subject: | XL Aux fuel tanks / "small" |
--> Zenith-List message posted by: Carlos Sa <carlosfsa@yahoo.com>
Please define "small"
but do not archive
Carlos
I'm
certain someone will jump in and say that I am wrong so I'll try something
less controversial:
1+1=2 for small values of 1.
-- Craig
---------------------------------
Message 21
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| Subject: | Re: Air hose size |
--> Zenith-List message posted by: Bryan Martin <bryanmmartin@comcast.net>
The 1/4" size will make a big difference over 3/8". How big a difference it
makes will depend on the total length of the system. If you watch the air
pressure at the end of the hose by the drill while you are using it, I bet
you'll see a significant drop in pressure.
Most people use black iron pipe for air supply because it's much cheaper
than copper and stronger as well. For the price of the 1/4" copper you could
use a much larger sized iron pipe and have more cross sectional area for
better flow.
Do you really need 100' of hose? The shorter you keep your lines, the better
the flow rate you can get. Consider using a shorter length of hose and if
it's not long enough to reach everywhere you need it, add additional drops
from your air header to plug into.
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.
on 12/28/05 12:56 PM, MikeH at mhilderbrand@cox.net wrote:
> --> Zenith-List message posted by: MikeH <mhilderbrand@cox.net>
>
> Hope someone can help me with my compressed air system. I went from
> running a 3/8" hose mounted across the ceiling of my garage connected to
> a reel with 3/8" pvc type hose. This hose became very difficult to work
> with(in the cold, being stiff). I changed my system to copper tubing
> 1/2 " mounted across my ceiling (striving for a more professional
> system)to the reel in a similar fashion as before. On the reel, I wanted
> something more flexible/ easier to work with. Instead of using a rubber
> hose I bought a " Roof/Framing air hose made from Polyurethane It is
> 1/4" X 100' - 200psi this stuff is really light weight! After running
> my air drill it seems it does not turn as fast as before. The psi is the
> same from the compressor too the drill. Would the 1/2" copper tubing
> make a diff. or the 1/4 " hose? Thanks for any input
> mike
> do not archive
>
Message 22
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| Subject: | Re: XL Aux fuel tanks |
--> Zenith-List message posted by: Paul Mulwitz <p.mulwitz@worldnet.att.net>
Hi Robin,
Go figure!
One of the criteria I had when selecting a kit was I wanted a stable
design that had been around for a while with good success. Little
did I suspect the Zodiac XL was in a major state of flux thanks to
the new LSA/SP rule just being approved.
I stand corrected on the tank issue. I suppose an email to ZAC might
yield plans and parts for the 48 gallon option even if it is not
currently offered as part of the package.
Paul
XL wings
do not archive
At 04:06 PM 12/28/2005, you wrote:
>Paul & Chris,
> When I bought my XL kits (over a year ago) the standard was 2 12-gal
>tanks, and the standard aux option was 2 more 12-gal tanks, so at that time
>the standard was either 24 or 48 gallons total. Now they seem to be offering
>only the 15 gal upgrade option for 30 gal max total.
---------------------------------------------
Paul Mulwitz
32013 NE Dial Road
Camas, WA 98607
---------------------------------------------
Message 23
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| Subject: | XL Aux fuel tanks / "small" |
--> Zenith-List message posted by: "Craig Payne" <craig@craigandjean.com>
"Itty-bitty"? "less than two"? I'd say more but the list's thought-police
will complain. I can only say that a Zodiac has only *one* engine, canopy,
etc.
-- Craig
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Carlos Sa
Subject: RE: Zenith-List: XL Aux fuel tanks / "small"
--> Zenith-List message posted by: Carlos Sa <carlosfsa@yahoo.com>
Please define "small"
but do not archive
Carlos
I'm
certain someone will jump in and say that I am wrong so I'll try something
less controversial:
1+1=2 for small values of 1.
-- Craig
---------------------------------
Message 24
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| Subject: | Re: XL Aux fuel tanks |
--> Zenith-List message posted by: Brandon Tucker <btucke73@yahoo.com>
Paul / Chris,
I am building an HDS, but I have XL plans from a
few years ago that show two wing tanks with the option
for four. The plumbing for the outboard tanks
actually pass through the inboard tanks via an open
ended tube welded to the tank ends. I considered
getting rid of this pipe, and just joining the two
tanks with a fuel line, but went with the HDS instead.
I can scan the page of the plans if any plans owner
wants a copy.
R/
Brandon
HDS Corvair
__________________________________
http://brand.yahoo.com/cybergivingweek2005/
Message 25
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| Subject: | Tire pressure problem |
--> Zenith-List message posted by: "Randy Stout" <n282rs@earthlink.net>
Larry
Remember a couple of months ago I emailed you about replacing my tires with
the same ones as you have on your plane? I also bought new tubes with the
tires. The name on the box was Bikemaster, but the tube itself has Cheng
Shin on it. Two of them failed in exactly the same place as you describe
and I hadn't even taxied on them. I ended up putting the orginial 4.8-8
tubes back in since they wasn't showing any signs of rotting. Maybe there
is some kind of defect in the manufacturing or something wrong with the fit
between that tube and our wheels.
Randy Stout
n282rs"at"earthlink.net
www.geocities.com/r5t0ut21
>
> --> Zenith-List message posted by: Larry McFarland <larrymc@qconline.com>
>
> Hi guys,
> This past week I've been airing up tires and found that my left main
> was down by 3 PSI per day, so I removed the wheel and tire and brought
> it home. Didn't see anything so I finally disassembled
> the tire and wheel and found a small crack around one quarter the
> perimeter and
> directly next to the valve stem. The 3.5 x 8.0 tube would have to be
> replaced.
>
> Remembering the chatter on tire pressure, I realized that even though
> the tires
> are a good fit, 36 psi on the tire can't be ignored and left too low.
> I've been using
> 25 psi, but the tire and tube may be shifting slightly during touch down.
> After about 100 landings at 80 hours, the tube was like new but for this
> stress point at the stem. Going to try to hold them at 32 psi from now on
> to see if that was the problem. I've no wear showing on the S83 Michelin
> 3.5 x 8.0 tires at all.
> Perhaps it's better to hold most of the rated PSI to avoid a flat at some
> obscure airport one day.
>
> Have a good one,
>
> Larry McFarland - 601HDS at www.macsmachine.com
>
>
Message 26
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| Subject: | REDUCTIONS CONVERSIONS |
--> Zenith-List message posted by: <momanpop@marshallnet.com>
Does anyone know if Reductions Conversions in Canada has a web site or an
email address?
Thanks
Bob Tichy
Message 27
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| Subject: | Altitude limitations - 12/27/05 |
--> Zenith-List message posted by: EMAproducts@aol.com
Altitude limitations
Are you aware of anybody working on a turbo/super charger for the
3300? Do you have any thoughts on this?
(This seems to me to be the best way for a "Sport Pilot" to go fast
without violating any of the rules.)
IF you are flying a LSA under Sport Pilot FAR's insure you read the
regulations
Elbie
Elbie Mendenhall
President
EM Aviation, LLC
13411 NE Prairie Rd
Brush Prairie, WA 98606
360-260-0772
_www.riteangle.com_ (http://www.riteangle.com)
Message 28
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| Subject: | Re: Zenith-List Digest: 34 Msgs - 12/27/05 |
--> Zenith-List message posted by: EMAproducts@aol.com
cgalley@qcbc.org>
Have driven to the top of Pike's Peak several times. Modern engines with
altitude compensation have no problem. On the 49 Ford we had to run the
vacuum windshield wipers in a vain attempt to lean the old flat head.
Cy, I feel there is a off subject story there hidden away :-)
Elbie
Message 29
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| Subject: | Altitude peformance - 12/27/05 |
--> Zenith-List message posted by: EMAproducts@aol.com
I plan to do some work on increasing manifold pressure using some
variation on air scoops. This may help a little bit by compressing
the air entering the engine. I am sure this will be severely
limited but I intend to do it with no moving parts so it will also be
very inexpensive.
Paul
Paul,
Back in the '60's I delivered Mooney's from the factory. Their "Super 21"
had ram air door that would give about 2" above standard, it bypassed the
airfilter and went directly to the carb or fuel injection ~ forgot which it had
now. Only problem is I don't think the Zenith's will go fast enough to gain
much.
Elbie
Elbie Mendenhall
President
EM Aviation, LLC
13411 NE Prairie Rd
Brush Prairie, WA 98606
360-260-0772
Message 30
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| Subject: | Aux tank plumbing |
--> Zenith-List message posted by: Chris sinfield <chris_sinfield@yahoo.com>
Hi All
Well I did ask the factory about the Aux tanks and they came back with
a quote of around US$1100 for the extra 2 X 11 GAL tanks, plumbing, lines and
senders.. with a 5 way selector...
Thats why I need to make my decision before I purchase the kit.. do I get the
3 way or 5 way fuel valve???..
But I liked the Idea of just pumping one aux tank to fill into the adjacent
main in flight as required..a bit like what Branden said.. and yes I would watch
the Weight and Balance .. as well as the AUW..
Chris..
From Down Under
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