Today's Message Index:
----------------------
1. 11:48 AM - VDO fuel gauge question (Jimmy Young)
2. 12:41 PM - Re: VDO fuel gauge question (MacDonald Doug)
3. 01:34 PM - Re: VDO fuel gauge question (cdnch701builder)
4. 02:01 PM - Re: VDO fuel gauge question (Robert Pelland)
5. 02:52 PM - Re: VDO fuel gauge question (Craig Payne)
6. 06:32 PM - Re: VDO fuel gauge question (cdnch701builder)
Message 1
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Subject: | VDO fuel gauge question |
701 builders,
I am building a 750 and am using the factory-supplied VDO gauges & senders. I've
got wings on with 10 gal of fuel in each tank, and I have the 15 gal tanks.
I put 5 gal in each tank and the gauge needles were both showing empty, but they
did move. Put 5 more in each tank and they read just over 1/4 full. They should
be reading 2/3 full. I checked with Zenith that they had sent me matching
senders & gauges, & they confirmed both are the 70-10 ohm type. I have not checked
the this yet with a multimeter.
I did some internet searching and found the VDO gauge I have has an adjustment
screw located on the side of the barrel. Have those of you who have been down
this road before had to adjust the gauges using this screw to calibrate what's
actually in the tank with what the gauge shows?
Thanks for any advice and comments,
Jimmy Young
N75ZX getting close to flying, Houston TX
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=375667#375667
Message 2
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Subject: | Re: VDO fuel gauge question |
First of all, yes, they will need some tweaking to get them correct.- Sec
ond of all, the senders and gauges that come with the kit are absolute junk
.- Problem is, there isn't much out there that is any-better short of s
pending major dollars on capacitive senders.- I don't know what the rules
are where you are but here in Canada, the gauges only have to be accurate
when empty so the kit versions with the VDO gauges work for that.=0A-=0AI
highly recommend getting a decent fuel flow gauge if you are going to use
the senders and gauges that come with the kit.- Flight Data Systems makes
a nice one.--It interfaces with your GPS to give you fuel to next wayp
oint, reserve at next waypoint, and miles per gallon in addition to the sta
dard flow, fuel used and fuel remaining.- Its about $350-including the
certified Red-Cube fuel sender.=0A-=0ADoug M=0ACH-701 from scratch=0ANW O
ntario, Canada=0A =0A=0A________________________________=0A From: Jimmy You
ng <jdy100@comcast.net>=0ATo: zenith701801-list@matronics.com =0ASent: Thur
sday, June 14, 2012 1:47:34 PM=0ASubject: Zenith701801-List: VDO fuel gauge
y100@comcast.net>=0A=0A701 builders,=0A=0AI am building a 750 and am using
the factory-supplied VDO gauges & senders. I've got wings on with 10 gal of
fuel in each tank, and I have the 15 gal tanks.=0A=0AI put 5 gal in each t
ank and the gauge needles were both showing empty, but they did move. Put 5
more in each tank and they read just over 1/4 full. They should be reading
2/3 full. I checked with Zenith that they had sent me matching senders & g
auges, & they confirmed both are the 70-10 ohm type. I have not checked the
this yet with a multimeter.=0A=0AI did some internet searching and found t
he VDO gauge I have has an adjustment screw located on the side of the barr
el. Have those of you who have been down this road before had to adjust the
gauges using this screw to calibrate what's actually in the tank with what
the gauge shows? =0A=0AThanks for any advice and comments,=0A=0AJimmy Youn
g=0AN75ZX getting close to flying, Houston TX=0A=0A=0A=0A=0ARead this topic
online here:=0A=0Ahttp://forums.matronics.com/viewtopic.php?p=375667#375
=
Message 3
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Subject: | Re: VDO fuel gauge question |
Hey Jimmy
Get rid of that VDO junk! I made the mistake of buying them and they are just
plain junk... ok
for a VW car, but not for an aircraft! My VDO junk is for sale now cheap!
I have replaced them with ISS gauges and Senders made by Stewart Warner! I found
them at Van's
which are standard in all of Van's kits. They also have them at Aircraft Spruce
and sold under
the ISS brand. I bought the gauges at ACS... as Van's(branded) gauges are calibrated
in
gallons! Van's Senders are the same as ACS... left and right. At ACS the Senders
are $33 and
$39 and I don't know why. Anyway I bought the Senders from Vans for $27 each L
and R! Van's
supplies full instructions on how to bend the float arm to fit your tank... it's
very easy, I
don't know about ACS!
http://www.aircraftspruce.ca/catalog/inpages/issgauges13.php
http://www.aircraftspruce.ca/catalog/inpages/issgauges11.php
ISS FUEL SENDER RH 6-12 TANK - $39.75
ISS FUEL SENDER LH 6-12 TANK - $33.00
http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1339704419-84-258&browse=ei&product=vans-
fuellev - Part Numbers = IE F-385B IE F-385C Price = $27.00
I compared them to the VDO junk and it is like night and day. The ISS(Stewart
Warner) are real
aircraft gauges...
--
R.D.(Ron) Leclerc
Winnipeg, MB Canada
49-56-27N 097-06-44W Elev 729'
Plans Builder CH701 STOL
VW Type 4 Power, Redrive
http://www.ronleclerc.net
http://www.flyingonfloats.com
cdnch701@mts.net,
14/06/2012
****************************************
This E-Mail scanned with AVG Anti-Virus Ver: 10.0!
****************************************
:--)>
:--)> 701 builders,
:--)>
:--)> I am building a 750 and am using the factory-supplied VDO gauges & senders.
I've
:--)> got wings on with 10 gal of fuel in each tank, and I have the 15 gal tanks.
:--)>
:--)> I put 5 gal in each tank and the gauge needles were both showing empty, but
they
:--)> did move. Put 5 more in each tank and they read just over 1/4 full. They
should be
:--)> reading 2/3 full. I checked with Zenith that they had sent me matching senders
&
:--)> gauges, & they confirmed both are the 70-10 ohm type. I have not checked
the this
:--)> yet with a multimeter.
:--)>
:--)> I did some internet searching and found the VDO gauge I have has an adjustment
:--)> screw located on the side of the barrel. Have those of you who have been
down this
:--)> road before had to adjust the gauges using this screw to calibrate what's
actually
:--)> in the tank with what the gauge shows?
:--)>
:--)> Thanks for any advice and comments,
:--)>
:--)> Jimmy Young
:--)> N75ZX getting close to flying, Houston TX
:--)>
:--)>
:--)> Read this topic online here:
:--)>
:--)> http://forums.matronics.com/viewtopic.php?p=375667#375667
:--)>
:--)>
:--)> MATRONICS WEB FORUMS -
:--)> http://www.matronics.com/contribution
Message 4
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Subject: | Re: VDO fuel gauge question |
Been there, done that, also have a shit load of crappy VDO gauges along with
their associated senders. I took Ron's advice and purchased the all the
parts he recommended.
Best recommendations I ever received.
Robert
In case your worried about the holes in the tank sides ( if you made them )
don't, since they can be used with the new senders, however you will need to
tweak the sender wire to get a correct reading.
fly safe
----- Original Message -----
From: "cdnch701builder" <cdnch701@mts.net>
Sent: Thursday, June 14, 2012 4:34 PM
Subject: Re: Zenith701801-List: VDO fuel gauge question
> <cdnch701@mts.net>
>
> Hey Jimmy
>
> Get rid of that VDO junk! I made the mistake of buying them and they are
> just plain junk... ok
> for a VW car, but not for an aircraft! My VDO junk is for sale now cheap!
>
> I have replaced them with ISS gauges and Senders made by Stewart Warner!
> I found them at Van's
> which are standard in all of Van's kits. They also have them at Aircraft
> Spruce and sold under
> the ISS brand. I bought the gauges at ACS... as Van's(branded) gauges are
> calibrated in
> gallons! Van's Senders are the same as ACS... left and right. At ACS
> the Senders are $33 and
> $39 and I don't know why. Anyway I bought the Senders from Vans for $27
> each L and R! Van's
> supplies full instructions on how to bend the float arm to fit your
> tank... it's very easy, I
> don't know about ACS!
> http://www.aircraftspruce.ca/catalog/inpages/issgauges13.php
> http://www.aircraftspruce.ca/catalog/inpages/issgauges11.php
> ISS FUEL SENDER RH 6-12 TANK - $39.75
> ISS FUEL SENDER LH 6-12 TANK - $33.00
>
> http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1339704419-84-258&browse=ei&product=vans-
> fuellev - Part Numbers = IE F-385B IE F-385C Price = $27.00
>
> I compared them to the VDO junk and it is like night and day. The
> ISS(Stewart Warner) are real
> aircraft gauges...
>
> --
> R.D.(Ron) Leclerc
> Winnipeg, MB Canada
> 49-56-27N 097-06-44W Elev 729'
> Plans Builder CH701 STOL
> VW Type 4 Power, Redrive
> http://www.ronleclerc.net
> http://www.flyingonfloats.com
> cdnch701@mts.net,
> 14/06/2012
> ****************************************
> This E-Mail scanned with AVG Anti-Virus Ver: 10.0!
> ****************************************
>
>
> <jdy100@comcast.net>
> :--)>
> :--)> 701 builders,
> :--)>
> :--)> I am building a 750 and am using the factory-supplied VDO gauges &
> senders. I've
> :--)> got wings on with 10 gal of fuel in each tank, and I have the 15 gal
> tanks.
> :--)>
> :--)> I put 5 gal in each tank and the gauge needles were both showing
> empty, but they
> :--)> did move. Put 5 more in each tank and they read just over 1/4 full.
> They should be
> :--)> reading 2/3 full. I checked with Zenith that they had sent me
> matching senders &
> :--)> gauges, & they confirmed both are the 70-10 ohm type. I have not
> checked the this
> :--)> yet with a multimeter.
> :--)>
> :--)> I did some internet searching and found the VDO gauge I have has an
> adjustment
> :--)> screw located on the side of the barrel. Have those of you who have
> been down this
> :--)> road before had to adjust the gauges using this screw to calibrate
> what's actually
> :--)> in the tank with what the gauge shows?
> :--)>
> :--)> Thanks for any advice and comments,
> :--)>
> :--)> Jimmy Young
> :--)> N75ZX getting close to flying, Houston TX
> :--)>
> :--)>
> :--)> Read this topic online here:
> :--)>
> :--)> http://forums.matronics.com/viewtopic.php?p=375667#375667
> :--)>
> :--)>
> :--)> MATRONICS WEB FORUMS -
> :--)> http://www.matronics.com/contribution
>
>
>
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Subject: | VDO fuel gauge question |
A smart electronic gauge (like MGL's 3 1/8 inch FF-3 or 2 1/4 inch FF-1) can
be taught the shape of an irregular tank or non-linear sender. They also
connect to fuel flow senders.
http://www.mglavionics.com
With regards to capacitive probes be aware that they give different readings
when you switch between leaded and unleaded - basically anything that
changes the dielectric constant of the fuel.
-- Craig
Message 6
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Subject: | Re: VDO fuel gauge question |
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