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dlorrzen701(at)earthlink.
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 Posted: Thu Jan 14, 2010 7:52 am Post subject: Fuel tank sender & gauge |
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The Sending unit that came with my 701 kit is made by VDO, part number# 221-012D, V1551001209D (Fuel Sender for VW Beetle).
David L. Orr
EAA Chapter 430
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dougsnash
Joined: 14 Apr 2008
Posts: 281
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| Posted: Thu Jan 14, 2010 7:57 am Post subject: Fuel tank sender & gauge |
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Robert, my understanding is that the Zenith kit supplied senders and gauges are from VDO. They were originally for a Volkswagon Golf or Rabbit. Make sure that you buy your gauges and senders at the same time. I had used fuel gauges from an older kit and had to buy new ones becasue they worked backwards to the current version of senders. I think the sweep of the sender unit is something like 90 degrees.
As for top or side mounting. I mounted mine on the side but have not fueled my plane yet so I cannot speak as to how well they will work. Top mounting usually requires a cuttout in the skin and a dome cover. But since you are having your tanks custom made, you could make a recess for the sender so that it fits under the skin.
Doug MacDonald
CH-701 Scratch builder
NW Ontario, Canada
Do Not Archive
--- On Thu, 1/14/10, stepinwolf <robert.pelland(at)cgocable.ca> wrote:
| Quote: | From: stepinwolf <robert.pelland(at)cgocable.ca>
Subject: Fuel tank sender & gauge
To: zenith701801-list(at)matronics.com
Received: Thursday, January 14, 2010, 9:25 AM
--> Zenith701801-List message
posted by: "stepinwolf" <robert.pelland(at)cgocable.ca>
I have a friend who is a professional welder, and has
offered to weld up my fuel tanks for the 701 & 750 I am
scratching. I need to source all the associated parts
so that everything can be done right, and more importantly
at the same time.
I have looked at the various suppliers, and can't find any
mention of the # 226-002 sender that is referenced in the
Zenith plans, so I was wondering what most builders were
using, and if they were satisfied with their choices of
senders, and associated fuel gauges.
Also, most of the generic senders I have seen so far (
Summit Racing, Jeg's, etc. ) all have a 180 degree
sweep, and was wondering how this would work, since the
Zenith tank's are relatively low in height and I can't see
the float rod on the sender, make the 180 degree sweep in
such a restricted space.
Lastly, top mount or side, why the different installation
procedures. ?
A big thank you to those who will take the time to respond
to my concerns
Robert
The 701 & 750 scratch
|
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bobkat
Joined: 07 Sep 2008
Posts: 143
Location: Bismarck, ND
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| Posted: Thu Jan 14, 2010 8:30 am Post subject: Fuel tank sender & gauge |
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The original senders (resistance type) supplied by Zenith works fine on my
Dynon unit. I mounted them through the top as recommended by Zenith.
With the Dynon, when you first fuel up, you calibrate them by telling the
Dynon that the tank is empty, then add a gallon of gas and tell it you've
added a gallon, then add another gallon, etc. till they are full. (10
gallons) I think there are two types of sending units, resistance types
and capacitor type, and you tell the unit what you are using. The moving
float type I think are always resistance units.
The VDO fuel gauges likely work with the sending resistance based units from
Zenith. As I have four fuel tanks and I used the Dynon 180 I have four VDO
fuel gauges if anyone wants them. Anyone want them I'll send them to you
for just the price of shipping, which wouldn't be very high. You are
welcome to them.
No commercial, but I sure love that Dynon 180!
Do not archive.
---
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Curt.Thompson(at)verizon.
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| Posted: Thu Jan 14, 2010 8:43 am Post subject: Fuel tank sender & gauge |
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Robert,
I used the VDO senders others have mentions on this thread. Bought them
from some off-road vehicle supply place (can't remember who).
One thing I would recommend. I made the hole for the sender a little
smaller than normal. Normally, you need to make them big enough to fish a
ring through. Then machine screws bolt through the sender and thread into
the ring on the inside. With the hole the normal size, there is not much
area for the gasket to seal. Before I made my tank, I machines a smaller
ring (just using a couple of hole saws) and ProSealed it to the inside.
This was before the tank was assembled. Now I have a larger gasket area to
seal the sender from leaks. No need to fish that ring through the hole
(kind of a pain to do). You could probably weld that ring in place too.
BTW, I glued my tanks like the Van's RV guys do (Proseal == Black Death).
It passed a three day "balloon" pressure test. We'll see in actual real
operation.
I won a couple of fuel gauges from John Marzulli at our EAA chapter "White
Elephant" gift exchange. I'll also send them to anyone for the price of
shipping.
Curt
--
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john.marzulli(at)gmail.co
Guest
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| Posted: Thu Jan 14, 2010 4:54 pm Post subject: Fuel tank sender & gauge |
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EAA: The spirit of sharing parts you don't need. 
John Marzulli
http://www.GenevieveMarzulli.org/
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/
On Thu, Jan 14, 2010 at 8:43 AM, Curt Thompson <Curt.Thompson(at)verizon.net (Curt.Thompson(at)verizon.net)> wrote:
[quote]--> Zenith701801-List message posted by: "Curt Thompson" <Curt.Thompson(at)verizon.net (Curt.Thompson(at)verizon.net)>
Robert,
I used the VDO senders others have mentions on this thread. Bought them
from some off-road vehicle supply place (can't remember who).
One thing I would recommend. I made the hole for the sender a little
smaller than normal. Normally, you need to make them big enough to fish a
ring through. Then machine screws bolt through the sender and thread into
the ring on the inside. With the hole the normal size, there is not much
area for the gasket to seal. Before I made my tank, I machines a smaller
ring (just using a couple of hole saws) and ProSealed it to the inside.
This was before the tank was assembled. Now I have a larger gasket area to
seal the sender from leaks. No need to fish that ring through the hole
(kind of a pain to do). You could probably weld that ring in place too.
BTW, I glued my tanks like the Van's RV guys do (Proseal == Black Death).
It passed a three day "balloon" pressure test. We'll see in actual real
operation.
I won a couple of fuel gauges from John Marzulli at our EAA chapter "White
Elephant" gift exchange. I'll also send them to anyone for the price of
shipping.
Curt
--
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CDNCH701
Joined: 26 Feb 2009
Posts: 11
Location: Winnipeg, MB Canada
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| Posted: Thu Jan 14, 2010 6:40 pm Post subject: Fuel tank sender & gauge |
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Hey Robert...
For VDO fuel gauges and senders go to http://www.egauges.com/ and select
part numbers: These are VW parts... and spec. by Zenith.
Sender: 221-012
Install Kit: 226-452
Gauge: 301-020
The gauge and sender must match...
Ron Leclerc
I have a friend who is a professional welder, and has offered to
weld up my fuel tanks for the 701 & 750 I am scratching. I need
to source all the associated parts so that everything can be done
right, and more importantly at the same time.
I have looked at the various suppliers, and can't find any
mention of the # 226-002 sender that is referenced in the Zenith
plans, so I was wondering what most builders were using, and if
they were satisfied with their choices of senders, and associated
fuel gauges.
Also, most of the generic senders I have seen so far ( Summit
Racing, Jeg's, etc. ) all have a 180 degree sweep, and was
wondering how this would work, since the Zenith tank's are
relatively low in height and I can't see the float rod on the
sender, make the 180 degree sweep in such a restricted space.
Lastly, top mount or side, why the different installation
procedures. ?
A big thank you to those who will take the time to respond to my
concerns
Robert
The 701 & 750 scratch
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stepinwolf
Joined: 21 Jan 2008
Posts: 133
Location: Canada
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| Posted: Thu Jan 14, 2010 7:31 pm Post subject: Fuel tank sender & gauge |
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BobKat, PM sent to you at thr following bobkat(at)btinet.net (bobkat(at)btinet.net)
[quote] ---
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