Today's Message Index:
----------------------
1. 12:29 AM - Re: Oil in air cooled engines (secatur)
2. 03:52 AM - Re: fiberglass wingtip fit (Paul Mulwitz)
3. 04:37 AM - Re: Re: Oil in air cooled engines (Crvsecretary@aol.com)
4. 05:50 AM - Re: fiberglass wingtip fit (Gary Boothe)
5. 06:49 AM - Re: fiberglass wingtip fit (Bill Naumuk)
6. 08:37 AM - Diesel Zenith (bob west)
7. 10:18 AM - Re: fiberglass wingtip fit (Bryan Martin)
8. 10:38 AM - Noise cancelling Intercom (R.P.)
9. 11:09 AM - Re: Diesel Zenith (Jari Kaija)
10. 11:38 AM - Re: Diesel Zenith (ZodieRocket)
11. 12:51 PM - Re: Oil in air cooled engines (Tim Juhl)
12. 01:24 PM - Re: Diesel Zenith (David Downey)
13. 01:59 PM - Re: Diesel Zenith (David Downey)
14. 02:15 PM - Re: Re: Wing Spar Assembly Drawing 6W3, number of hat stiffeners ? (Larry Winger)
15. 03:59 PM - Re: fiberglass wingtip fit (Bill Naumuk)
16. 04:14 PM - Dynon pitot-Ron Lendon (Bill Naumuk)
17. 07:51 PM - Re: Dynon pitot-Ron Lendon (Ron Lendon)
Message 1
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| Subject: | Re: Oil in air cooled engines |
I'm not sure if it's relevant, but we always add 1-2% castor oil to synthetic oil
in our methanol fuel for R/C aircraft engines.
With such large oil percentages (12-20%), you wouldn't think it would make much
difference, but we have found that engines that aren't used all the time rust
with just synthetic oil!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p-632#95632
Message 2
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| Subject: | Re: fiberglass wingtip fit |
Hi Bill,
I take a different view of the fiberglass gap in the wing tip.
I think the 3 mm measurement limit specified in the builder's manual
is a general tolerance limit for structural components. In any case
where this limit is exceeded it is time to call for technical support
and professional engineer judgement whether to accept the design
change or rebuild the part or structure in question.
In this case, the fiberglass is essentially a fairing rather than a
critical structural component. The gap in fitting this fairing to
the aluminum skin occurs in a place where there is normally no air
flow anyway since the skin is outside the fiberglass. I think it is
OK to fill this gap with any sort of material that you can get to
stick in there.
I realize this could be a minority opinion. Still, I have to
conclude that the strength required for the fiberglass wing tip only
needs to be enough to keep it from falling apart in flight.
Paul
XL fuselage
>
>To be more specific, +/-2mm = +/-.0792. 3/8"= .375. It's your plane,
>but I rest my case.
>Bill Naumuk
>HDS Fuselage
>Townville, Pa
-
Message 3
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| Subject: | Re: Oil in air cooled engines |
Hello Lary:
As I remember, the reference to using diesel oil was in response to SAE
changing automobile oil standards ( I cannot remember if the change was the SF
or
SG rating) that removed much of the zinc out of the oil which was thought to
be damaging catalyic converters. Zinc is an anti-friction component which
we need in air-cooled (motorcycle) engines which aids in dry startups.
I don't recall if it had anything to do with heat.
For the little added expense I always use motorcycle oils in the H-D and the
BMW.
Tracy Smith
Do Not Archive
In a message dated 2/16/2007 10:44:13 PM Eastern Standard Time,
lrm@skyhawg.com writes:
--> Zenith-List message posted by: "LRM" <lrm@skyhawg.com>
Boy I'll tell you, I think it boils down to personal likes and dislikes.
Except it is a fact that one should use a non-synthetic oil for the break in
period. The reason is simple, regular oil is not as friction proof as
synthetic so the engine's rings will seat quicker. My RevTech owner's
manual says to use a regular 10/30 for the first 10 hours and then switch to
their (naturally) synthetic oil. It's been my experience that engines will
still break in with synthetic oil, it just takes longer. I put Mobil1 in my
Harley and Subaru's from the get go. My last Subaru powered gyro now has
800+ hours and running strong. I do agree to use a very good oil whatever
the brand and stay away from K-Mart specials.
.
An added note, I saw in my Harley service manual, I don't have the exact
words but it said that in the event you didn't have Harley oil you should
make sure whatever oil you use should be rated for diesel engines. I will
try and find the exact paragraph and post it if anyone is interested. The
only reason I can think of is that Harley's run a lot hotter than other
engines. The book says the operating temp is 240 degrees. The Harley shop
told me 250 is not unusual.
Larry N1345L, www.skyhawg.com.
PS, For those who might be interested in non-airplane stuff I have a few new
pictures of my GroundHawg on my site, it is www.skyhawg.com/sam4.html.
Message 4
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| Subject: | fiberglass wingtip fit |
...I used a hand-flanging tool to roll the edge enough to fill the gap...why
introduce more stuff? Keep it simple....
Gary Boothe
Cool, CA
601 HDSTD, WW Conversion 90% done,
Tail done, wings done, working on c-section
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Paul Mulwitz
Sent: Saturday, February 17, 2007 3:52 AM
Subject: Re: Zenith-List: fiberglass wingtip fit
Hi Bill,
I take a different view of the fiberglass gap in the wing tip.
I think the 3 mm measurement limit specified in the builder's manual
is a general tolerance limit for structural components. In any case
where this limit is exceeded it is time to call for technical support
and professional engineer judgement whether to accept the design
change or rebuild the part or structure in question.
In this case, the fiberglass is essentially a fairing rather than a
critical structural component. The gap in fitting this fairing to
the aluminum skin occurs in a place where there is normally no air
flow anyway since the skin is outside the fiberglass. I think it is
OK to fill this gap with any sort of material that you can get to
stick in there.
I realize this could be a minority opinion. Still, I have to
conclude that the strength required for the fiberglass wing tip only
needs to be enough to keep it from falling apart in flight.
Paul
XL fuselage
>
>To be more specific, +/-2mm = +/-.0792. 3/8"= .375. It's your plane,
>but I rest my case.
>Bill Naumuk
>HDS Fuselage
>Townville, Pa
-
Message 5
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| Subject: | Re: fiberglass wingtip fit |
Which is a technique I first saw on Jeff Small's plane (Although he used
a different tool) and used on mine.
I'm not very familiar with XL construction, but two things surprise me.
One, that the general tolerance has been increased to +/- 3mm, and two,
considering all the problems people have had over the years re: fiberglass
wingtip fit that an alternative wasn't implemented. The time and
installation frustration savings would be considerable.
do not archive
Bill Naumuk
HDS Fuselage
Townville, Pa
----- Original Message -----
From: "Gary Boothe" <gboothe5@comcast.net>
Sent: Saturday, February 17, 2007 8:47 AM
Subject: RE: Zenith-List: fiberglass wingtip fit
>
> ...I used a hand-flanging tool to roll the edge enough to fill the
> gap...why
> introduce more stuff? Keep it simple....
>
>
>
>
Message 6
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List,
The turbo-diesel web site that Sebastian took pictures of and mentioned on the
Zenith web site, is now open. Very little information yet, but the first will
be in a 701. I e-mailed the site and got a quick reply. I hope these guys
make a go of it. Someone needs to compete with Rotax.
BOB
---------------------------------
Food fight? Enjoy some healthy debate
in the Yahoo! Answers Food & Drink Q&A.
Message 7
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| Subject: | Re: fiberglass wingtip fit |
I had little trouble getting my fairing to fit snugly into the skin.
But then, Mine didn't sit in storage very long before I installed
them. Apparently, these fiberglass pieces tend to sag a bit when they
are stored a long time.
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
Message 8
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| Subject: | Noise cancelling Intercom |
I was getting ready to take the Zodiac over the Tehachapi mountains
yesterday to visit Minter Field when the intercom died. It's an old
second-hand Sigtronics portable I got on Ebay for a few bucks.
I'm going to replace it with a new unit, but can't decide which one to
buy. Doing a Google search for "aviation intercom" comes up with a
page full of options, the one on the top of the page is
http://www.flighttech.com/ which makes intercoms with active noise
reduction instead of a "squelch control" knob.
Has anyone here used one of these? How well do they work?
Rick Pitcher
N601ZR
Message 9
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| Subject: | Re: Diesel Zenith |
>The turbo-diesel web site that Sebastian took pictures of and mentioned
> on the Zenith web site, is now open. Very little information yet, but
the
> first will be in a 701. I e-mailed the site and got a quick reply.
WWW link?
http://www.jarikaija.com
http://www.project-ch701.net
http://www.advertiser.fi
Message 10
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HYPERLINK
"http://vulcanaircraftengines.com/index.html"http://vulcanaircraftengine
s.com/index.html
Mark Townsend Alma, Ontario
Zodiac 601XL C-GOXL, CH701 just started
HYPERLINK "http://www.ch601.org"www.ch601.org / HYPERLINK
"http://www.ch701.com"www.ch701.com/ HYPERLINK
"http://www.Osprey2.com"www.Osprey2.com
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Jari Kaija
Sent: Saturday, February 17, 2007 2:09 PM
Subject: Re: Zenith-List: Diesel Zenith
>The turbo-diesel web site that Sebastian took pictures of and mentioned
> on the Zenith web site, is now open. Very little information yet, but
the
> first will be in a 701. I e-mailed the site and got a quick reply.
WWW link?
HYPERLINK "http://www.jarikaija.com"http://www.jarikaija.com
HYPERLINK "http://www.project-ch701.net"http://www.project-ch701.net
HYPERLINK "http://www.advertiser.fi/"http://www.advertiser.fi
"http://www.matronics.com/Navigator?Zenith-List"http://www.matronics.com
/Navigator?Zenith-List
"http://forums.matronics.com"http://forums.matronics.com
--
2/16/2007 2:25 PM
--
2/16/2007 2:25 PM
Message 11
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| Subject: | Re: Oil in air cooled engines |
I forgot to mention that one of the considerations in choosing an oil is the kind
of fuel you plan to use. If you are going to burn 100LL I think you'll want
to stick with approved aviation oils. If you are burning mogas, then as long
as the engine manufacturer agrees, other oils are probably an option.
Breaking in with mineral oil has been the standard forever. That said, there are
some aircraft engine rebuilders that recommend or require that you use a multigrade
ashless dispersant oil. Go figure.
Tim
--------
DO NOT ARCHIVE
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Working on wings
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p-720#95720
Message 12
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| Subject: | Re: Diesel Zenith |
I must have missed the original posting. I assuem that this is very expensive and
can run on jet-A? How about RPM and weight?
Thanks.
Jari Kaija <jari.kaija@pp.inet.fi> wrote:
>The turbo-diesel web site that Sebastian took pictures of and mentioned
> on the Zenith web site, is now open. Very little information yet, but the
> first will be in a 701. I e-mailed the site and got a quick reply.
WWW link?
http://www.jarikaija.com
http://www.project-ch701.net
http://www.advertiser.fi
Dave Downey
Harleysville (SE) PA
Zodiac 601XL/Corvair?
---------------------------------
Don't be flakey. Get Yahoo! Mail for Mobile and
always stay connected to friends.
Message 13
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| Subject: | Re: Diesel Zenith |
never mind!
do not archive
David Downey <planecrazydld@yahoo.com> wrote:
I must have missed the original posting. I assuem that this is very expensive
and can run on jet-A? How about RPM and weight?
Thanks.
Jari Kaija <jari.kaija@pp.inet.fi> wrote:
>The turbo-diesel web site that Sebastian took pictures of and mentioned
> on the Zenith web site, is now open. Very little information yet, but the
> first will be in a 701. I e-mailed the site and got a quick reply.
WWW link?
http://www.jarikaija.com
Don't be flakey. Get Yahoo! Mail for Mobile and
always stay connected to friends.
Dave Downey
Harleysville (SE) PA
Zodiac 601XL/Corvair?
---------------------------------
Be a PS3 game guru.
Get your game face on with the latest PS3 news and previews at Yahoo! Games.
Message 14
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| Subject: | Re: Wing Spar Assembly Drawing 6W3, number of hat stiffeners |
?
Hi Dave,
I went through the archives and found this email from you last year. I'm
now ready to proceed with my wing spars, and wanted to be sure I understood
them fully before cutting metal.
Here's my question. You say that the spar layout on 6W3 (for long range
tanks) shows 2 short and 1 long hat stiffener (6W8). I would agree that
both the rivet layout elevation (top of page) and the cap/stiffener/NRA
diagram (middle of the page) support that part count. Why, then, do you
think they show two long and two short hat stiffeners in the top view
(between the other two elevations)? I'm assuming it was just a mistake.
I was in Orlando on business for 3-1/2 days last week and leave tomorrow for
a solid week in Chicago. I'm trying to steal a few hours in the garage
today so I can make a little forward progress on these spars.
How's it going on your wings?
Stay warm.
LW
On 1/21/07, TxDave <dclaytx2@hotmail.com> wrote:
>
>
> Page 6-K-0 of the plans shows the dimensions and spar layout for the
> standard tanks. There are 2 long and 2 short hat stiffeners specified in the
> plans for the standard tanks. Page 6-W-3 shows the spar configuration for
> the long range tanks which specifies 2 short and 1 long stiffeners. Note
> that the location of LNRA#4 is different for the standard tanks. I think ZAC
> should have put the drawings for the standard tanks on 6-W-3 and the
> optional long range tanks on page 6-K-0. That seems to be more logical, to
> me.
>
> Dave Clay
> http://www.daves601xl.com
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=89455#89455
>
>
Message 15
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| Subject: | Re: fiberglass wingtip fit |
Bryan-
Yes, they do. I had all kinds of trouble with my originals (Which were
about 2 years old), but relatively no problems with replacements.
do not archive
Bill Naumuk
HDS Fuselage
Townville, Pa
----- Original Message -----
From: "Bryan Martin" <bryanmmartin@comcast.net>
Sent: Saturday, February 17, 2007 1:17 PM
Subject: Re: Zenith-List: fiberglass wingtip fit
>
> I had little trouble getting my fairing to fit snugly into the skin. But
> then, Mine didn't sit in storage very long before I installed them.
> Apparently, these fiberglass pieces tend to sag a bit when they are
> stored a long time.
>
> --
> Bryan Martin
> N61BM, CH 601 XL,
> RAM Subaru, Stratus redrive.
> do not archive.
>
>
>
Message 16
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| Subject: | Dynon pitot-Ron Lendon |
Ron-
You were kind enough to send pictures of your Dynon pitot tube
installation and like an idiot, I saved the wrong posting to my
"Keepers" file.
Please resend.
Thanks.
Bill Naumuk
HDS Fuselage
Townville, Pa
Message 17
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| Subject: | Re: Dynon pitot-Ron Lendon |
Bill,
Try this link and look down the date files, around 1/15/07 to 1/22/07 was when
I was working on that.
--------
Ron Lendon, Clinton Township, MI
Corvair Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p-784#95784
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