Today's Message Index:
----------------------
1. 03:02 AM - 701 evolution (river1)
2. 06:19 AM - Re: Use of Gascolator with auto fuel? (Jeffrey A Beachy)
3. 06:49 AM - wing top skins (john butterfield)
4. 08:25 AM - Another panel lights up .... Jeff Davidson (Jeff)
5. 08:28 AM - Valve Covers (Bill Naumuk)
6. 08:30 AM - Re: Use of Gascolator with auto fuel? (Geoff Heap)
7. 08:30 AM - Re: More on the backfire (Carl Bertrand)
8. 08:36 AM - Re: wing top skins (Jeff)
9. 08:38 AM - Re: Static Ports (John M. Goodings)
10. 09:16 AM - Re: Swapping fittings on Grove Brakes (Edward Moody II)
11. 12:01 PM - Re: Valve Covers (WHC228@aol.com)
12. 01:26 PM - Re: Valve Covers (Bill Naumuk)
13. 01:48 PM - New Realtime Spell Checker Added To Matronics Forums! (Matt Dralle)
14. 02:09 PM - Re: Swapping fittings on Grove Brakes (Paul Mulwitz)
15. 02:59 PM - Re: wing top skins (Terry Turnquist)
16. 04:38 PM - Re: Swapping fittings on Grove Brakes (gbrac80@aol.com)
17. 04:51 PM - Re: Swapping fittings on Grove Brakes (Paul Mulwitz)
18. 06:09 PM - Re: Re: Use of Gascolator with auto fuel? (LRM)
19. 11:56 PM - Re: Static Ports (Dave Thompson)
Message 1
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Can someone provide info on the evolution of the 701 . Mark Townsend mentions the
sp model , I thought that there was only one kind . I remember that back then
all printed info came from zenair and zenith was a year or two old, there
was no web site. Any early 701 builders that want to share their expirience ,
or people flying early model please do so thx.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=133370#133370
Message 2
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| Subject: | Re: Use of Gascolator with auto fuel? |
ACS sells replacement gaskets intended for use with auto fuel.
Replacement gasket for auto fuel is p/n 06-00441.
Message 3
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hi list:
i hope to move my machine to a hanger soon for final
assembly. i was wondering if it would be a
disadvantage to leave the top skins clecoed on until
all adjustments were complete and the wiring, fuel
lines, control rigging and everything else is complete
and ready to close up. the only worry i have is
hanging the wings on and not having enough strength
due to the fact that the top skin is not riveted in
place, or that there will be extra sag due to the same
reason. it seems that the final assembly would be
much easier with access to the interior wing.
still am waiting to see if any changes are recommended
to beef up the wing before i close them up
regards
john butterfield
601xl, corvair
torrance, ca
Message 4
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| Subject: | Another panel lights up .... Jeff Davidson |
Message 5
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Corvair People-
Getting ready to paint my engine parts. Valve covers are servicable,
but badly pitted. Is there any filler (Bondo, spot putty or fiberglass)
you can use to fill the craters that will stay in place in a moderate
heat area?
I'm already over budget. On the one hand, don't want to shell out
another $200 for a set of machined aluminum covers, but on the other
hand can't see ugly covers on an otherwise clean engine.
Bill Naumuk
HDS Fuse/Corvair
Townville, Pa
Message 6
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| Subject: | Re: Use of Gascolator with auto fuel? |
Thanks Guys............ I love this list.
Ok. Noboby came up with anything substantial in 24 hours so its going in.
I think its some kind of needless disclaimer. Thanks again....Geoff
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=133400#133400
Message 7
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| Subject: | Re: More on the backfire |
Hi George.
As you probably have found, letting the engine cool-down before shutdown
eliminates backfiring on shutdown.
On amphibs I need lots of power to taxi out of the river and up to my
hangar. The EGT when I park is around 1350 and shutting down immediately
will cause backfires. I reduce to 2000 till the EGT stabilizes then
throttle to idle until EGT is close to 1150. I then close one ignition
to further reduce RPM before closing the second ignition.
If you don't have EGT gauges, idle for one to two minutes after using
high power before shutdown.
Carl
----- Original Message ----
From: george.mueller@aurora.org
To: zenith-list@matronics.com
Sent: Wednesday, September 05, 2007 10:10 AM
Subject: Zenith-List: More on the backfire
Just to clarify my previous message about backfiring on shut down, I
was not turning the ignition off during the full power run up, but would
get a backfire after doing a full power run up, backing the throttle
back down to 1800 rpm, letting it run at 1800 rpm for about 15 seconds,
and then shutting the engine off. The rpms would wind down after the
key was turned to off, followed by a "bang" at the very end, then
silence, except for the snickering coming from nearby hangers. I am
doing the full power run ups to check the pitch on my prop. I found it
very interesting, however, that the NASCAR folks check plugs by doing a
shut down at full throttle.
I will also let the engine idle longer before shutting down.
George in Milwaukee
701 912UL
Message 8
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John,
I have used the principle of not riveting anything until I have to
after having to open up the top skins on the center HD wing section after
they were fully riveted. I appreciate that I learned a new skill to remove
rivets without causing damage, but it did not help me move along on the
project. I am currently mounting my HD wings with the nose skin only
clecoed on the top side. I have Leading Edge tanks that will need attention
after the wings are on. The rear Z is also clecoed where the aileron
attaches. With enough clecos my opinion is that the top skin can be held in
place just fine for your purpose. The assumption here is that the bottom
skin is riveted. Others may worry that there may be some movement, but that
probably is not critical until you make the final adjustments to the wing
attachments.
Jeff Davidson
i hope to move my machine to a hanger soon for final
assembly. i was wondering if it would be a
disadvantage to leave the top skins clecoed on until
all adjustments were complete and the wiring, fuel
lines, control rigging and everything else is complete
and ready to close up. the only worry i have is
hanging the wings on and not having enough strength
due to the fact that the top skin is not riveted in
place, or that there will be extra sag due to the same
reason. it seems that the final assembly would be
much easier with access to the interior wing.
still am waiting to see if any changes are recommended
to beef up the wing before i close them up
regards
Message 9
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| Subject: | Re: Static Ports |
We installed a used (I think Beechcraft) combination pitot and static port
on the underside of the port wing about half way to the tip. It has
always read perfectly, as checked out from sensitive altimeter readings
and Becker mode C. I like the fact that it is well outside the propeller
arc. It was not difficult to install it into the wing after it was
rivetted shut. We keep it covered when not in use with a cover which
includes a red streamer "Remove Before Flight". Our hangar mate had a
difficult time with 3 static ports on the fuselage sides of his
(identical) 601HD before he got something that worked.
John M. Goodings, C-FGPJ, CH601HD with R912S, Ottawa/Toronto/Waterloo.
Message 10
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| Subject: | Re: Swapping fittings on Grove Brakes |
I see no reason why the shape of the fitting would be a problem John. If
a right angle fitting works better for you, it should be okay. I made
choices for similar reasons at the master cylinders and the parking
brake valve myself.
Dred
----- Original Message -----
From: John Davis
To: zenith-list@matronics.com
Sent: Friday, September 07, 2007 4:07 PM
Subject: Zenith-List: Swapping fittings on Grove Brakes
Hi All,
I've sent an email to grove asking this question but havent heard yet
so
I thought I would ask here.
I've got a 601XL QB kit and the way the brake mechanisms are installed
I
would like to swap the Bleed fitting with the 90 degree one so the
brake
line will route better.
Anyone see any problem with swapping those fittings ?
Thanks,
John Davis
Burnsville, NC
--
9/8/2007 1:24 PM
Message 11
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| Subject: | Re: Valve Covers |
Bill
I do not have any experience with plastic fillers. My only experience with
fillers is with solder. That was forty or fifty years ago.
I did buy a O235 Lycoming. I figured that I would have about the same amount
of money in this engine that I would have spent to make a Corvair into an
aircraft engine. I do like Lycoming engines. They may not be bulletproof, but
they are strong. They have a 2400 hour TBO. There are also plenty of aircraft
mechanics that know all about them.
I suppose that if I had never run into the crack in the crank, I would have
kept on going with the Corvair.
I don't know if my valve covers are any better than the ones that you have,
but if they are, I would be willing to swap them with you.
I'll look them over next time I go there.
I have been stalled for a while. I cross threaded the filler neck on my gas
tank, and am waiting for Zenith to send me the tap to chase the thread in that
tank. I will not rivet the leading edge of that wing until I have cleared up
that problem. Once I have that done, I will be able to finish the wing and
get it off my work table so that I can start the fuselage.
I have another week of intense work here in my business, before I can get
back to the airplane in any case.
Let me know if you want me to look at those covers.
Bill
Message 12
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| Subject: | Re: Valve Covers |
Bill-
Sure, I'll look at the covers.
Lynn warned me to warn you about the damn fillers. I believe I did,
but, not being an XL builder, probably wasn't forceful enough.
I haven't touched my airframe in over 2 months- all engine work.
Want to get as much done as possible on the engine before winter. It's
in the main (Unheated) garage rather than in my (Heated) build area.
I have to do a batch of running around in about 2-3 weeks. We'll
schedule something then.
Bill Naumuk
HDS Fuse/Corvair
Townville, Pa
----- Original Message -----
From: WHC228@aol.com
To: zenith-list@matronics.com
Sent: Saturday, September 08, 2007 3:00 PM
Subject: Re: Zenith-List: Valve Covers
Bill
I do not have any experience with plastic fillers. My only experience
with fillers is with solder. That was forty or fifty years ago.
I did buy a O235 Lycoming. I figured that I would have about the same
amount of money in this engine that I would have spent to make a Corvair
into an aircraft engine. I do like Lycoming engines. They may not be
bulletproof, but they are strong. They have a 2400 hour TBO. There are
also plenty of aircraft mechanics that know all about them.
I suppose that if I had never run into the crack in the crank, I would
have kept on going with the Corvair.
I don't know if my valve covers are any better than the ones that you
have, but if they are, I would be willing to swap them with you.
I'll look them over next time I go there.
I have been stalled for a while. I cross threaded the filler neck on
my gas tank, and am waiting for Zenith to send me the tap to chase the
thread in that tank. I will not rivet the leading edge of that wing
until I have cleared up that problem. Once I have that done, I will be
able to finish the wing and get it off my work table so that I can start
the fuselage.
I have another week of intense work here in my business, before I can
get back to the airplane in any case.
Let me know if you want me to look at those covers.
Bill
-------------------------------------------------------------------------
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See what's new a_blank">Make AOL Your Homepage.
Message 13
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| Subject: | New Realtime Spell Checker Added To Matronics Forums! |
Dear Listers,
Today 9/8/2007 I have added a new real-time spell checker function to all of the
BBS Forums at Matronics. When you reply or create a new message on the Forums,
you will notice that misspelled words will be high-lighted in yellow. If
you left-click on the word, you will be prompted with a drop-down list of suggested
spellings.
http://forums.matronics.com
Enjoy!
Matt Dralle
Matornics Email List and Forum Administrator
Message 14
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| Subject: | Re: Swapping fittings on Grove Brakes |
Hi John,
The instructions that came with my Grove brakes says you can swap the
fittings. Of course you will want the bleed fitting on the bottom
and the pressure fitting on the top. Any other configuration and you
will have problems bleeding air from the system.
I think you can get the Grove instructions online at their web
site. What you can't get (at least I couldn't) is any response to an
email inquiry.
Paul
XL fuselage
At 02:07 PM 9/7/2007, you wrote:
>
>Hi All,
>I've sent an email to grove asking this question but havent heard
>yet so I thought I would ask here.
>
>I've got a 601XL QB kit and the way the brake mechanisms are
>installed I would like to swap the Bleed fitting with the 90 degree
>one so the brake line will route better.
>
>Anyone see any problem with swapping those fittings ?
>
>Thanks,
>John Davis
>Burnsville, NC
Message 15
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| Subject: | Re: wing top skins |
John, you could consider throwing just a few rivets into the top skin which will
stabilize it. You can use hardware store rivets for cost and ease of removal.
Save your clecos for the fuse.
Terry Turnquist
hi list:
i hope to move my machine to a hanger soon for final
assembly. i was wondering if it would be a
disadvantage to leave the top skins clecoed on until
all adjustments were complete and the wiring, fuel
lines, control rigging and everything else is complete
and ready to close up. the only worry i have is
hanging the wings on and not having enough strength
due to the fact that the top skin is not riveted in
place, or that there will be extra sag due to the same
reason. it seems that the final assembly would be
much easier with access to the interior wing.
still am waiting to see if any changes are recommended
to beef up the wing before i close them up
regards
john butterfield
601xl, corvair
torrance, ca
---------------------------------
Sick sense of humor? Visit Yahoo! TV's Comedy with an Edge to see what's on, when.
Message 16
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| Subject: | Re: Swapping fittings on Grove Brakes |
Paul,
Did you mean to put the pressure fitting on the bottom and the bleed fitting on
top?? Air here in the Northern Hemisphere tends to bubble to the top of brake
fluid.? How does it behave where you are?
Rgds,
Mike.
-----Original Message-----
From: Paul Mulwitz <psm@ATT.NET>
Sent: Sat, 8 Sep 2007 5:08 pm
Subject: Re: Zenith-List: Swapping fittings on Grove Brakes
?
Hi John,?
?
The instructions that came with my Grove brakes says you can swap the fittings.
Of course you will want the bleed fitting on the bottom and the pressure fitting
on the top. Any other configuration and you will have problems bleeding air
from the system.?
?
I think you can get the Grove instructions online at their web site. What you can't
get (at least I couldn't) is any response to an email inquiry.?
?
Paul?
XL fuselage?
?
At 02:07 PM 9/7/2007, you wrote:?
>?
>Hi All,?
>I've sent an email to grove asking this question but havent heard >yet so I thought
I would ask here.?
>?
>I've got a 601XL QB kit and the way the brake mechanisms are >installed I would
like to swap the Bleed fitting with the 90 degree >one so the brake line will
route better.?
>?
>Anyone see any problem with swapping those fittings ??
>?
>Thanks,?
>John Davis?
>Burnsville, NC?
?
?
?
?
________________________________________________________________________
Email and AIM finally together. You've gotta check out free AOL Mail! - http://mail.aol.com
Message 17
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| Subject: | Re: Swapping fittings on Grove Brakes |
Hi Mike,
I admit it may not be intuitive, but the bleed fitting goes at the
lowest point.
The best way to fill the brake system is to pump the fluid in from
the bottom to the top. While the fluid fills the various tubes and
compartments the air is forced upward to the reservoir.
Who woulda guessed ?
Paul
XL fuselage
At 04:36 PM 9/8/2007, you wrote:
>Paul,
>Did you mean to put the pressure fitting on the bottom and the bleed
>fitting on top? Air here in the Northern Hemisphere tends to bubble
>to the top of brake fluid. How does it behave where you are?
>Rgds,
>Mike.
Message 18
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| Subject: | Re: Use of Gascolator with auto fuel? |
No, I think there is more to it. They wouldn't say it just for the hell of
it, there is a reason. I bought the right gasket. Call AS and ask them, I
did, just don't remember the exact details. It is something to do with
auto gas being unleaded. I just don't remember the details. But, it better
to err on the safe side, especially for a couple of bucks. It's only your
life you are messing with. Larry
----- Original Message -----
From: "Geoff Heap" <stol10@comcast.net>
Sent: Saturday, September 08, 2007 10:29 AM
Subject: Zenith-List: Re: Use of Gascolator with auto fuel?
>
> Thanks Guys............ I love this list.
> Ok. Noboby came up with anything substantial in 24 hours so its going in.
> I think its some kind of needless disclaimer. Thanks again....Geoff
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=133400#133400
>
>
>
Message 19
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| Subject: | Re: Static Ports |
Need a serial port on a laptop? I use a USB to Serial adapter all the time
at work. The telephone systems can be very picky about their connections but
I've never had any problems with my adaptors. I'm at home now. If you can't
find one with a web search, write me and I'll get a brand & part number for
you from work.
Dave Thompson
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