Today's Message Index:
----------------------
1. 05:39 AM - Re: Re: 701 fuel system design (BokKat)
2. 06:41 AM - Re: Garmin GTX 330 Transponder & SL40 Radio (George Race)
3. 06:41 AM - Chat Room Reminder (George Race)
4. 06:54 AM - Re: Garmin GTX 330 Transponder & SL40 Radio (Rene Felker)
5. 03:18 PM - placement of fuel sender on extended range tanks, washers (Benjamin Q)
Message 1
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| Subject: | Re: 701 fuel system design |
Yes, I'd sure recommend the digital fuel flow sensor on the Dynon. When
it tells you that you have say, 5.7 gallons on one tank and 4.3 in the
other, it is right on! Always within a tenth of a gallon or so.
Actually I found my 10 gallon tanks hold close to 11, so when I
calibrated it, I put a gallon in them and then 'told' it that it was
empty, etc. So I have 1 - 2 gallons more than the gauges tell me. A
bit of a fudge factor.
Like Les, I'd highly recommend any fuel flow meter. My neighbor has
another make on his RV-8 but I don't recll the make or mode.
In the rare instance when you start to get low with a few gallons in a
tank, it will flash and yell at you to remind you to fuel up. It does
everything to alert you short of a hand popping out of the Dynon and
slapping you on the cheek! Maybe Les's autopilot grabs the stick from
the pilot and flies to the nearest airport on the GPS database! Hah!
----- Original Message -----
From: Les Goldner
To: zenith701801-list@matronics.com
Sent: Sunday, July 05, 2009 9:07 PM
Subject: RE: Zenith701801-List: Re: 701 fuel system design
Gary,
If you don't want to get nervous about your "trusty" electric needles
to determine fuel availability, consider a fuel flow measuring system.
The fuel flow sensor added about $100 to the cost of my Dynon engine
monitoring. When I fill up now I rarely have to add over a
quarter-gallon more or less than the Dynon tells me that I have used.
Also, we have discussed the uneven draw from the tanks in earlier
threads. I always fly with both inner tanks or both outer tanks open so
that I can't forget to switch tanks. My tanks may drain unevenly because
my autopilot uses the ailerons to steer the plane, which means the wings
are not always level. Frankly I won't worry about this unless I'm low
on fuel because if one tank empties the plane should just draw from the
other one. However, I have never been really low on fuel and the tanks
have never had more than a 4-gallon difference to see what would happen.
Les
From: owner-zenith701801-list-server@matronics.com
[mailto:owner-zenith701801-list-server@matronics.com] On Behalf Of Gary
Gower
Sent: Wednesday, July 01, 2009 10:22 AM
To: zenith701801-list@matronics.com
Subject: Re: Zenith701801-List: Re: 701 fuel system design
Hello Dan,
I installed the same (one valve in each side of the cabin). My
701 with only the main valve (floor valve), will always use first the
gasoline from the right wing. No problem in short flights (less than an
hour), when the plane is parked both tanks will even in a few minutes.
In long XCountry flights (more than 2.5 hrs a leg) this has
worked for me:
Take off with both side valves open, for security, at cruise
altitude I close the right tank for one hour (in use the left tank), at
one hour, I open the right valve (keep both valves opened for the rest
of the flight) and when landing I always land with both tanks (almost)
even.
For "Simplicity and lightness" I should only add the right wing
valve, left one never closed for balance fuel.
I always plan my flights for less than 3 hrs a leg... I get a
little nervous when the "trusty" electric needles get close to 1/4...
:-) :-)
Here there are only a few landing strips, less with gasoline
available.
Saludos
Gary Gower
Flying from Chapala, Mexico
Coordenadas Google Earth.
20=B018'33.86"N 103=B0 9'36.99"W
701 912S 251 hrs of fun
Building a 601 XL Jab 3300.
--- On Wed, 7/1/09, Dan Wilde <dwilde@clearwire.net> wrote:
From: Dan Wilde <dwilde@clearwire.net>
Subject: Re: Zenith701801-List: Re: 701 fuel system design
To: zenith701801-list@matronics.com
Date: Wednesday, July 1, 2009, 11:10 AM
<dwilde@clearwire.net>
I just installed valves at each wing root inside the cockpit.
I can
easily reach each valve and use it to balance fuel use between
tanks. I
added a note in my preflight checklist to make sure all fuel
valves are
on for takeoff.
Dan Wilde
>
> Too true Curt but that is the only way to control your fuel
and proper fuel managment is part of flying. General aviation is full
of fuel related incidents as well as commerical aviation. I'm trying to
reduce other fuel related problems excessive fuel imbalance can be just
as dangerious as fuel starvation. My thinking on the two fuel selectors
at the wing roots is it's very visable (I.E.unlike John Denver's) and
easy to get at.
>
> Reguards. Dave
>
>
>
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Message 2
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| Subject: | Garmin GTX 330 Transponder & SL40 Radio |
Hi Stan:
I have found that SteinAir has been very competitive, price wise, in the
past. www.steinair.com
Give them a chance at giving you a quote.
George
"Fellow 701 Builders:
I am currently searching for the best prices on the Garmin GTX 330
transponder and SL 40 radio. Aircraft Spruce lists the former at
$3,621 and the latter at $1650. I am wondering if there is anywhere they
can be purchased at a lower price?
I recognize that there are less expensive alternatives but the traffic
information the 330 provides to the GRT Sport EFIS seems a wise choice
given the difficulty in seeing a polished aircraft.
I live in the Denver area.
Stan Challgren
701/3300 "
Message 3
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| Subject: | Chat Room Reminder |
Live Chat Room every Monday evening around 8:00 EDT
www.mykitairplane.com <blocked::http://www.mykitairplane.com/>
Click on the Chat Room link on the page.
Check out my new "Zenith Logo" Data Plate, really cool!
George
Do Not Archive
Message 4
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| Subject: | Garmin GTX 330 Transponder & SL40 Radio |
I second www.steinair.com. He did my RV-10 panel and sent me to Stark to
get the garmin radios. At the time, it was cheaper to get them from Stark,
I don't know if that is still the case.
See my panel at http://www.steinair.com/panels.htm
Rene' Felker
RV-10 N423CF Flying
801-721-6080
-----Original Message-----
From: owner-zenith701801-list-server@matronics.com
[mailto:owner-zenith701801-list-server@matronics.com] On Behalf Of George
Race
Sent: Monday, July 06, 2009 7:24 AM
Subject: RE: Zenith701801-List: Garmin GTX 330 Transponder & SL40 Radio
<mykitairplane@mrrace.com>
Hi Stan:
I have found that SteinAir has been very competitive, price wise, in the
past. www.steinair.com
Give them a chance at giving you a quote.
George
"Fellow 701 Builders:
I am currently searching for the best prices on the Garmin GTX 330
transponder and SL 40 radio. Aircraft Spruce lists the former at
$3,621 and the latter at $1650. I am wondering if there is anywhere they
can be purchased at a lower price?
I recognize that there are less expensive alternatives but the traffic
information the 330 provides to the GRT Sport EFIS seems a wise choice
given the difficulty in seeing a polished aircraft.
I live in the Denver area.
Stan Challgren
701/3300 "
Message 5
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| Subject: | placement of fuel sender on extended range tanks, washers |
I ordered the extended range tanks for my 701 and the plans indicate that the inboard
fuel sender is the side-mounted and the outboard is the top-mounted. I
called Zenith and requested the old instructions for the top mounted because
the new instructions only covered the new fuel sender. The gentleman I talked
to said that I should be using the side mount for both and told me to send back
the top mounted senders for replacement side mounted senders. This is a little
embarrassing but when I was working on the outboard tank I saw that the side
mounted fuel sender would be possibly damaged if I put it under the fuel cap
so I started the installation on the other side without thinking about the
consequences of not having access to it once it was installed. So at least one
fuel tank is getting the side mounted fuel sender in the middle. I want to
do everything I can to make sure it doesn't leak.
In hindsight this was probably why the outboard is the top mounted style. So
does anyone have some suggestions as to which side I should put the other side
mounted fuel sender on?
The second issue that came up is that my installation kit didn't include any
paper washers. After a quick check on the forums I see that a few people have
had trouble with the paper washers leaking and breaking. There were a few
alternatives presented out there. Using EZ Turn (Fuel lube) seemed to do the
trick for most people. Some others suggested using copper washers or self sealing
washers. What combination would give me the best chance not to have leaks
in the future?
Another quick questions, I will probably be taking the wings off the trailer
the airplane fairly often. What kind of quick disconnect would you recommend
to put in the fuel line.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=251850#251850
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