Today's Message Index:
----------------------
0. 12:22 AM - Fund Raiser List of Contributors - Please Make A Contribution Today! (Matt Dralle)
1. 06:37 AM - Amperage draw (jaybannist@cs.com)
2. 07:07 AM - Zenith builders/flyers in the Portland area (Ashcraft, Keith - AES)
3. 07:27 AM - Re: Zenith-List Digest: 19 Msgs - 11/09/08 (John Goodings)
4. 09:52 AM - Chat Room Reminder (George Race)
5. 09:54 AM - Re: Amperage draw (Gary Ray)
6. 11:24 AM - Re: Amperage draw (Craig Payne)
7. 11:50 AM - Re: Amperage draw (jaybannist@cs.com)
8. 12:19 PM - Re: Amperage draw (Craig Payne)
9. 01:22 PM - Re: Amperage draw (jaybannist@cs.com)
10. 02:47 PM - Re: Amperage draw (Gary Ray)
11. 02:51 PM - Re: Amperage draw (Bryan Martin)
12. 03:04 PM - Re: Amperage draw (jaybannist@cs.com)
13. 03:12 PM - Re: Remote compass location (Bill Naumuk)
14. 03:36 PM - Re: Amperage draw (Craig Payne)
15. 03:36 PM - Re: Remote compass location (Afterfxllc@aol.com)
16. 03:50 PM - Fuse sizes - another point of view. (Paul Mulwitz)
17. 04:10 PM - Re: Remote compass location (Bill Naumuk)
18. 04:17 PM - Re: Remote compass location (Afterfxllc@aol.com)
19. 04:48 PM - Re: Remote compass location (Bill Naumuk)
20. 07:00 PM - Re: Amperage draw (dingfelder)
21. 07:51 PM - 601 Aileron cable tension (JAPhillipsGA@aol.com)
22. 08:32 PM - Wire Size For VDO Fuel Senders (Dave VanLanen)
23. 08:42 PM - Re: 601 Aileron cable tension (Roger & Lina Hill)
24. 08:47 PM - Re: Wire Size For VDO Fuel Senders (Paul Mulwitz)
25. 08:54 PM - Re: Wire Size For VDO Fuel Senders (JohnDRead@aol.com)
26. 09:06 PM - Re: 601 Aileron cable tension (Terry Phillips)
27. 09:07 PM - Re: Wire Size For VDO Fuel Senders (Craig Payne)
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| Subject: | Fund Raiser List of Contributors - Please Make A Contribution |
Today!
Each year at the end of the List Fund Raiser, I post a message acknowledging everyone
that so generously made a Contribution to support the Lists. Its sort of
my way of publicly thanking everyone that took a minute to show their appreciation
for the Lists.
Won't you take a moment and assure that your name is on that List of Contributors
(LOC)? As a number of members have pointed out over the years, the List seems
at least - if not a whole lot more - valuable as a building/flying/recreating/entertainment
tool as your typical magazine subscription!
Please take minute and assure that your name is on this year's LOC! Show others
that you appreciate the Lists. Making a Contribution to support the Lists is
fast and easy using your Credit card or Paypal on the Secure Web Site:
http://www.matronics.com/contribution
or by dropping a personal check in the mail to:
Matt Dralle / Matronics
PO Box 347
Livermore CA 94551-0347
I would like to thank everyone that has so generously made a Contribution thus
far in this year's List Fund Raiser! Remember that its YOUR support that keeps
these Lists going and improving! Don't forget to include a little comment about
how the Lists have helped you!
Best regards,
Matt Dralle
Matronics Email List Administrator
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Re: 601XL - Does anyone know the actual amperage draw for 1) the old style flap
motor, 2) landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
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| Subject: | Zenith builders/flyers in the Portland area |
All,
I will be TDY in the Portland area around the last 2-weeks in November. Any
flyers/builders in the area that would like to get together?
(any model, 601, 701, 801, etc...)
contact me offline
Thanks,
Keith
http://picasaweb.google.com/ch701builder
CH701 -- scratch
N 38.9940
W 105.1305
Alt. 9,100'
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| Subject: | Re: Zenith-List Digest: 19 Msgs - 11/09/08 |
Bill: DO NOT ARCHIVE
Mike Fothergill's E-mail address is <mfothergill@rogers.com>.
John Goodings, C-FGPJ, CH601HD with R912S, Ottawa/Carp/Toronto.
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| Subject: | Chat Room Reminder |
Please join us for our Monday evening chat room starting around 8:00 PM
Eastern Time.
<blocked::blocked::blocked::blocked::blocked::blocked::http://www.mykitairpl
ane.com/chat/> http://www.mykitairplane.com/chat/
George
Do Not Archive
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| Subject: | Re: Amperage draw |
I blew the fuse to the flap motor on the maiden flight. It was a 7A now
it is a 15 amp without any problem. The current draw increases under
flight loads. The 7 worked on the ground fine.
The light circuits draw about 3 amps each. I fused them at 7.
As long as you don't use a fuse larger than the wire size that supplies
the device can handle, it will not be a problem.
Fuel Pump 1.6 A, Ignition 3 A @ 3000 rpm
Gary Ray 601XL 85 hrs.
----- Original Message -----
From: jaybannist@cs.com
To: zenith601-list@matronics.com ; zenith-list@matronics.com
Sent: Monday, November 10, 2008 9:37 AM
Subject: Zenith-List: Amperage draw
Re: 601XL - Does anyone know the actual amperage draw for 1) the old
style flap motor, 2) landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
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I reported these numbers to the list in April 2007. This was for the
old-style motor with the exposed limit switches:
"I measured the current drawn by the flap motor with and without a load.
Unloaded it draws about 4 amps. Lifting a 34 pound bucket of sand it draws
about 4.5 amps."
-- Craig
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Gary Ray
Sent: Monday, November 10, 2008 10:54 AM
Subject: Re: Zenith-List: Amperage draw
I blew the fuse to the flap motor on the maiden flight. It was a 7A now it
is a 15 amp without any problem. The current draw increases under flight
loads. The 7 worked on the ground fine.
The light circuits draw about 3 amps each. I fused them at 7.
As long as you don't use a fuse larger than the wire size that supplies the
device can handle, it will not be a problem.
Fuel Pump 1.6 A, Ignition 3 A @ 3000 rpm
Gary Ray 601XL 85 hrs.
----- Original Message -----
From: jaybannist@cs.com
Sent: Monday, November 10, 2008 9:37 AM
Subject: Zenith-List: Amperage draw
Re: 601XL - Does anyone know the actual amperage draw for 1) the old style
flap motor, 2) landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
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| Subject: | Re: Amperage draw |
Craig,=C2- Thanks, that is just what I needed.
I wonder why the difference between what you and Gary are reporting for the
flap motor draw?=C2- Could it be that Gary's flap hits the physical stop p
late before the actuator up limit switch clicks, momentarily drawing excessi
ve current? (I'm not sure that would be a bad thing)
Thanks again - Jay
Do not archive
-----Original Message-----
From: Craig Payne <craig@craigandjean.com>
Sent: Mon, 10 Nov 2008 1:23 pm
Subject: RE: Zenith-List: Amperage draw
I reported these numbers to the list in April 2007. This was for
the old-style motor with the exposed limit switches:
=C2-
=9CI measured the current drawn by the flap motor with and without a
load. Unloaded it draws about 4 amps. Lifting a 34 pound bucket of sand it
draws about 4.5 amps.=9D
=C2-
-- Craig
=C2-
From:
owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Gary Ray
Sent: Monday, November 10, 2008 10:54 AM
Subject: Re: Zenith-List: Amperage draw
=C2-
I
blew the fuse to the flap motor on the maiden flight.=C2- It was a 7A now
it
is a 15 amp without any problem.=C2- The current draw increases under flig
ht
loads.=C2- The 7 worked on the ground fine.
The
light circuits draw about 3 amps each.=C2- I fused them at 7.
As
long as you don't use a fuse larger than the wire size that supplies the dev
ice
can handle, it will not be a problem.
Fuel
Pump 1.6 A, Ignition 3 A @ 3000 rpm
=C2-
Gary
Ray 601XL=C2- 85 hrs.
-----
Original Message -----
From: jaybannist@cs.com
; zenith-list@matronics.com
Sent: Monday, November 10,
2008 9:37 AM
Subject: Zenith-List:
Amperage draw
=C2-
Re: 601XL -
Does anyone know the actual amperage draw for 1) the old style flap motor, 2
)
landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
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I was reading steady-state current on a digital meter. So I would miss
an initial surge. Also my measurements did not involve the motor
reaching a physical stop. On the other hand if your actuator does reach
a physical stop I would say the limit switches are misadjusted or not
effective.
At the time the motivation of my measurements was the worries of some
builders that the micro-switches in their stick grips couldn=99t
handle the current from the flap motor.
-- Craig
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of
jaybannist@cs.com
Sent: Monday, November 10, 2008 12:44 PM
Subject: Re: Zenith-List: Amperage draw
Craig, Thanks, that is just what I needed.
I wonder why the difference between what you and Gary are reporting for
the flap motor draw? Could it be that Gary's flap hits the physical
stop plate before the actuator up limit switch clicks, momentarily
drawing excessive current? (I'm not sure that would be a bad thing)
Thanks again - Jay
Do not archive
-----Original Message-----
From: Craig Payne <craig@craigandjean.com>
Sent: Mon, 10 Nov 2008 1:23 pm
Subject: RE: Zenith-List: Amperage draw
I reported these numbers to the list in April 2007. This was for the
old-style motor with the exposed limit switches:
=9CI measured the current drawn by the flap motor with and without
a load. Unloaded it draws about 4 amps. Lifting a 34 pound bucket of
sand it draws about 4.5 amps.=9D
-- Craig
From: <mailto:owner-zenith-list-server@matronics.com>
owner-zenith-list-server@matronics.com [
<mailto:owner-zenith-list-server@matronics.com?>
mailto:owner-zenith-list-server@matronics.com] On Behalf Of Gary Ray
Sent: Monday, November 10, 2008 10:54 AM
Subject: Re: Zenith-List: Amperage draw
I blew the fuse to the flap motor on the maiden flight. It was a 7A now
it is a 15 amp without any problem. The current draw increases under
flight loads. The 7 worked on the ground fine.
The light circuits draw about 3 amps each. I fused them at 7.
As long as you don't use a fuse larger than the wire size that supplies
the device can handle, it will not be a problem.
Fuel Pump 1.6 A, Ignition 3 A @ 3000 rpm
Gary Ray 601XL 85 hrs.
----- Original Message -----
From: <mailto:jaybannist@cs.com> jaybannist@cs.com
; <mailto:zenith-list@matronics.com> zenith-list@matronics.com
Sent: Monday, November 10, 2008 9:37 AM
Subject: Zenith-List: Amperage draw
Re: 601XL - Does anyone know the actual amperage draw for 1) the old
style flap motor, 2) landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
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| Subject: | Re: Amperage draw |
I am honestly not trying to start something, but I seem to have read somewh
ere, that it is recommended that the flap be tight against the stop when it
is retracted to prevent any possibility of flutter. If that is the case, it
would be necessary that the flap hit the stop a nanosecond before the limit
switch clicks.=C2- I'm sure we can set those limit switches to the nanosec
ond, right?=C2- ( ;>D=C2- On the other hand, I also suppose that the fla
p motor might "coast" a little after the limit switch cuts power, ensuring a
tight fit to the stop.
Jay in Dallas
-----Original Message-----
From: Craig Payne <craig@craigandjean.com>
Sent: Mon, 10 Nov 2008 2:16 pm
Subject: RE: Zenith-List: Amperage draw
I was reading steady-state current on a digital meter. So I
would miss an initial surge. Also my measurements did not involve the motor
reaching a physical stop. On the other hand if your actuator does reach a
physical stop I would say the limit switches are misadjusted or not effectiv
e.
=C2-
At the time the motivation of my measurements was the worries of
some builders that the micro-switches in their stick grips couldn=99t
handle the
current from the flap motor.
=C2-
-- Craig
=C2-
From:
owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of jaybannist@cs.c
om
Sent: Monday, November 10, 2008 12:44 PM
Subject: Re: Zenith-List: Amperage draw
=C2-
Craig,=C2-
Thanks, that is just what I needed.
I wonder why the difference between what you and Gary are reporting for the
flap motor draw?=C2- Could it be that Gary's flap hits the physical stop
plate before the actuator up limit switch clicks, momentarily drawing excess
ive
current? (I'm not sure that would be a bad thing)
Thanks again - Jay
Do not archive
=C2-
=C2-
-----Original Message-----
From: Craig Payne <craig@craigandjean.com>
Sent: Mon, 10 Nov 2008 1:23 pm
Subject: RE: Zenith-List: Amperage draw
I reported these numbers to the list in April 2007. This was for
the old-style motor with the exposed limit switches:
=C2-
=9CI measured the current drawn by the flap motor with and without a
load. Unloaded it draws about 4 amps. Lifting a 34 pound bucket of sand it
draws about 4.5 amps.=9D
=C2-
-- Craig
=C2-
From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-serve
r@matronics.com]
On Behalf Of Gary Ray
Sent: Monday, November 10, 2008 10:54 AM
Subject: Re: Zenith-List: Amperage draw
=C2-
I
blew the fuse to the flap motor on the maiden flight.=C2- It was a 7A now
it
is a 15 amp without any problem.=C2- The current draw increases under flig
ht
loads.=C2- The 7 worked on the ground fine.
The
light circuits draw about 3 amps each.=C2- I fused them at 7.
As
long as you don't use a fuse larger than the wire size that supplies the dev
ice
can handle, it will not be a problem.
Fuel
Pump 1.6 A, Ignition 3 A @ 3000 rpm
=C2-
Gary
Ray 601XL=C2- 85 hrs.
-----
Original Message -----
From: jaybannist@cs.com
Sent: Monday, November 10,
2008 9:37 AM
Subject: Zenith-List:
Amperage draw
=C2-
Re: 601XL -
Does anyone know the actual amperage draw for 1) the old style flap motor, 2
)
landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
Email message sent from CompuServe - visit us today at http://www.cs.com
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| Subject: | Re: Amperage draw |
Actually my fuse blew the moment that I touched the switch so in my case
I could not have hit a stop as the flaps did not deploy. At the time
(first flight) I did not have it connected in series with an amperage
meter. The plane landed fine without any flaps. I was not concerned. I
found no problems with the wiring. I still have not measured the actual
amperage during flap deployment. The flaps have functioned well during
the last several hundred smoke tests. (turn it on and see where it
smokes)
Gary Ray
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| Subject: | Re: Amperage draw |
Motor circuits often have surge currents on start up that are more
than double the steady state running current of the motor. The surge
current will even be larger than the locked rotor current. The surge
current is impossible to measure with a digital meter and even with an
analog meter, the surge may peak out faster than the needle can
follow. You need a device designed to measure these short duration
peaks to get an accurate reading. If you fuse for the steady state
current, these surges will eventually blow a normal fuse. The main
purpose of a fuse is to protect the wire supplying the circuit so
don't worry that the fuse value is larger than the current draw of the
circuit as long as it's not too large for the wire. Landing lights
also have surge currents on start up because the filament resistance
increases as it heats up, so a landing light circuit may need a larger
fuse than you suspect.
On Nov 10, 2008, at 2:44 PM, jaybannist@cs.com wrote:
> Craig, Thanks, that is just what I needed.
>
> I wonder why the difference between what you and Gary are reporting
> for the flap motor draw? Could it be that Gary's flap hits the
> physical stop plate before the actuator up limit switch clicks,
> momentarily drawing excessive current? (I'm not sure that would be a
> bad thing)
>
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
Message 12
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| Subject: | Re: Amperage draw |
I am guessing that it is those surge currents that are getting me.? I am not having
any trouble with individual circuits.? Where I am blowing fuses is the feed
to the Essential Bus.? I have the flaps on that bus.? I will increase the
size of those fuses to what the wires can handle and see if that does the trick.
Thanks - Jay
-----Original Message-----
From: Bryan Martin <bryanmmartin@comcast.net>
Sent: Mon, 10 Nov 2008 4:50 pm
Subject: Re: Zenith-List: Amperage draw
Motor circuits often have surge currents on start up that are more than double
the steady state running current of the motor. The surge current will even be
larger than the locked rotor current. The surge current is impossible to measure
with a digital meter and even with an analog meter, the surge may peak out
faster than the needle can follow. You need a device designed to measure these
short duration peaks to get an accurate reading. If you fuse for the steady state
current, these surges will eventually blow a normal fuse. The main purpose
of a fuse is to protect the wire supplying the circuit so don't worry that the
fuse value is larger than the current draw of the circuit as long as it's not
too large for the wire. Landing lights also have surge currents on start up
because the?filament?resistance increases as it heats up, so a landing light
circuit may need a larger fuse than you suspect.
On Nov 10, 2008, at 2:44 PM, jaybannist@cs.com wrote:
Craig,? Thanks, that is just what I needed.
I wonder why the difference between what you and Gary are reporting for the flap
motor draw?? Could it be that Gary's flap hits the physical stop plate before
the actuator up limit switch clicks, momentarily drawing excessive current?
(I'm not sure that would be a bad thing)
--?
Bryan Martin
N61BM, CH 601 XL,?
RAM?Subaru, Stratus redrive.
________________________________________________________________________
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| Subject: | Re: Remote compass location |
Jeff-
Do you have a stainless or galvanized firewall?
Bill
----- Original Message -----
From: Afterfxllc@aol.com
To: zenith-list@matronics.com
Sent: Sunday, November 09, 2008 9:37 PM
Subject: Re: Zenith-List: Remote compass location
Before I put the remote compass where I did I spoke to dynon about it
and he said it isn't as sensitive as most think and the fact that I
placed 2 of them within 12 inches of the fire wall and haven't had any
problems quantify's that. If I had had problems with them I certainly
wouldn't be building my 3rd and 4th panel that way.
Jeff
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Attached is a snapshot of page 9 of the photo guide for 6-B-19 (rev 2,
8/18/05). The rubber wheel depresses the roller on the limit switch. If
the rubber goes beyond that it overstresses the switch. Unless you add
some sort of external stops I don=99t know how the stock motor
supplies an adjustable mechanical stop.
One advantage of the Ray Allen flap rocker switch over a conventional
DPDT switch is that the two internal micro-switches short the motor
leads together in the off/center position. This causes the motor to act
like a brake. Just make sure you order RS2-5 for the 5 amp version:
http://www.rayallencompany.com/products/switches.html
=9CThe RS2 rocker switch provided with your Ray Allen trim system
is designed to electrically short the servo motor to ground (-) when
released. This stops the output shaft without any coasting, allowing
precise positioning when trimming your aircraft. The RS2 rocker switch
is rated at 1 amp.=9D
(http://www.rayallencompany.com/RACmedia/instructionsT2andT3.pdf - page
2)
-- Craig
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of
jaybannist@cs.com
Sent: Monday, November 10, 2008 2:22 PM
Subject: Re: Zenith-List: Amperage draw
I am honestly not trying to start something, but I seem to have read
somewhere, that it is recommended that the flap be tight against the
stop when it is retracted to prevent any possibility of flutter. If that
is the case, it would be necessary that the flap hit the stop a
nanosecond before the limit switch clicks. I'm sure we can set those
limit switches to the nanosecond, right? ( ;>D On the other hand, I
also suppose that the flap motor might "coast" a little after the limit
switch cuts power, ensuring a tight fit to the stop.
Jay in Dallas
-----Original Message-----
From: Craig Payne <craig@craigandjean.com>
Sent: Mon, 10 Nov 2008 2:16 pm
Subject: RE: Zenith-List: Amperage draw
I was reading steady-state current on a digital meter. So I would miss
an initial surge. Also my measurements did not involve the motor
reaching a physical stop. On the other hand if your actuator does reach
a physical stop I would say the limit switches are misadjusted or not
effective.
At the time the motivation of my measurements was the worries of some
builders that the micro-switches in their stick grips couldn=99t
handle the current from the flap motor.
-- Craig
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com
<mailto:owner-zenith-list-server@matronics.com?> ] On Behalf Of
jaybannist@cs.com
Sent: Monday, November 10, 2008 12:44 PM
Subject: Re: Zenith-List: Amperage draw
Craig, Thanks, that is just what I needed.
I wonder why the difference between what you and Gary are reporting for
the flap motor draw? Could it be that Gary's flap hits the physical
stop plate before the actuator up limit switch clicks, momentarily
drawing excessive current? (I'm not sure that would be a bad thing)
Thanks again - Jay
Do not archive
-----Original Message-----
From: Craig Payne <craig@craigandjean.com>
Sent: Mon, 10 Nov 2008 1:23 pm
Subject: RE: Zenith-List: Amperage draw
I reported these numbers to the list in April 2007. This was for the
old-style motor with the exposed limit switches:
=9CI measured the current drawn by the flap motor with and without
a load. Unloaded it draws about 4 amps. Lifting a 34 pound bucket of
sand it draws about 4.5 amps.=9D
-- Craig
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com
<mailto:owner-zenith-list-server@matronics.com?> ] On Behalf Of Gary Ray
Sent: Monday, November 10, 2008 10:54 AM
Subject: Re: Zenith-List: Amperage draw
I blew the fuse to the flap motor on the maiden flight. It was a 7A now
it is a 15 amp without any problem. The current draw increases under
flight loads. The 7 worked on the ground fine.
The light circuits draw about 3 amps each. I fused them at 7.
As long as you don't use a fuse larger than the wire size that supplies
the device can handle, it will not be a problem.
Fuel Pump 1.6 A, Ignition 3 A @ 3000 rpm
Gary Ray 601XL 85 hrs.
----- Original Message -----
From: jaybannist@cs.com
Sent: Monday, November 10, 2008 9:37 AM
Subject: Zenith-List: Amperage draw
Re: 601XL - Does anyone know the actual amperage draw for 1) the old
style flap motor, 2) landing and taxi lights and 3) position lights.
Thanks in advance
Jay in Dallas
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Message 15
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| Subject: | Re: Remote compass location |
galvanized
Jeff-
Do you have a stainless or galvanized firewall?
Bill
----- Original Message -----
From: _Afterfxllc@aol.com_ (mailto:Afterfxllc@aol.com)
Sent: Sunday, November 09, 2008 9:37 PM
Subject: Re: Zenith-List: Remote compass location
Before I put the remote compass where I did I spoke to dynon about it and he
said it isn't as sensitive as most think and the fact that I placed 2 of
them within 12 inches of the fire wall and haven't had any problems quantify's
that. If I had had problems with them I certainly wouldn't be building my 3rd
and 4th panel that way.
Jeff
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| Subject: | Fuse sizes - another point of view. |
I decided to use fuses on my Zodiac XL. Further, I decided to use
only fuse sizes in 5 amp increments - 5, 10, 15, etc. I did this for
my convenience rather than a need to match exact current loads on each circuit.
Fuses are disaster prevention devices rather than current
regulators. A normal fuse will blow when exposed to the rated
current for a very short time. A short circuit from power to ground
will quickly draw a huge current, so a fuse of nearly any size will
protect the wiring in that circuit.
Wiring is not meant to melt at the rated current like fuses are. The
normal standard for the current limit on any size wire is that
current that will cause the temperature of the wire to increase by 10
degrees. It takes a whole lot more current than that to melt the wire.
My other decision was to put the fuses behind the instrument panel,
as is commonly done in cars, rather than some place the pilot can
fool with them in flight. This was done for a number of reasons but
two of them come to mind first. 1) In my many years of flying and
driving I have never had a fuse or circuit breaker blow. 2) In the
unusual case where a circuit does blow, I think it is unlikely that
the problem will be found while flying. This should require a major
repair on the circuit in question which can only be done on the ground.
Perhaps it is appropriate for nearly all planes to have panels full
of circuit breakers and emergency procedures that call for cycling
the circuit breaker when an electrical failure occurs. This may be a
life saver in hard IFR if the only thing that went wrong is the
circuit breaker decided to trip for some random reason. In my case -
mostly Day VFR - I figure I should focus on flying the plane rather
than trouble shooting the electronics until the flight is over.
Paul
XL getting close
(Retired Electrical Engineer)
Message 17
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| Subject: | Re: Remote compass location |
Jeff-
At this point I honest to God don't know what to think. Guess I'll
try the tray and see if it works.
Bill
----- Original Message -----
From: Afterfxllc@aol.com
To: zenith-list@matronics.com
Sent: Monday, November 10, 2008 6:36 PM
Subject: Re: Zenith-List: Remote compass location
galvanized
Jeff-
Do you have a stainless or galvanized firewall?
Bill
----- Original Message -----
From: Afterfxllc@aol.com
To: zenith-list@matronics.com
Sent: Sunday, November 09, 2008 9:37 PM
Subject: Re: Zenith-List: Remote compass location
Before I put the remote compass where I did I spoke to dynon about
it and he said it isn't as sensitive as most think and the fact that I
placed 2 of them within 12 inches of the fire wall and haven't had any
problems quantify's that. If I had had problems with them I certainly
wouldn't be building my 3rd and 4th panel that way.
Jeff
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| Subject: | Re: Remote compass location |
Well If you want you can talk to Pat or Ben ... They have flown behind them
and they can tell you how well it works or don't work. Don't just take my
word for it.
Jeff
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| Subject: | Re: Remote compass location |
Jeff-
You know where I'm coming from- I just don't want to have to do
something over that will involve me tearing half the plane apart and
standing on my head!
Bill
----- Original Message -----
From: Afterfxllc@aol.com
To: zenith-list@matronics.com
Sent: Monday, November 10, 2008 7:13 PM
Subject: Re: Zenith-List: Remote compass location
Well If you want you can talk to Pat or Ben ... They have flown behind
them and they can tell you how well it works or don't work. Don't just
take my word for it.
Jeff
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| Subject: | Re: Amperage draw |
I adjusted my flap limit switches to shut off just very
slightly after the flap hits the stop. This puts a slight twist pressure
on the flap to keep it rigid in flight. I popped several fuses (15 A.)
during the adjustment process. As soon as the motor is stalled, the load
is too great. I've had no problems at all with it in flight.
Lynn 601XL / Corvair
Message 21
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| Subject: | 601 Aileron cable tension |
Has the letter about wing/alieron flutter from AMD & Zac been mentioned on
the list? Said to check aileron cable tension and the rivets on the doubler
for the rear spar and that we should not fly until these were to standard.
Seems as if they are pretty sure the loss of wing accidents were from flutter.
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| Subject: | Wire Size For VDO Fuel Senders |
I tried to find information on this in the archives, but was not successful.
Can anyone tell me what size wire I should be using for the VDO fuel
senders? From my reading, I understand that wire should be sized based on
the current load of the device and any derating factor if placed in a
bundle. However, there is no amperage information provided with the fuel
senders. The only information I could find, in the assembly guide, is the
variable resistance (from approx. 70 ohms at empty position to approx. 10
ohms at full position). Does the wire size actually depend on what I will
be using on the other end for the fuel gauges?
Thanks for any help you can provide,
Dave Van Lanen
601XL
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| Subject: | 601 Aileron cable tension |
Is the wing flutter problem just on XL's or are the older 601HDS wings
affected too?
Roger
_____
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of
JAPhillipsGA@aol.com
Sent: Monday, November 10, 2008 9:44 PM
Subject: Zenith-List: 601 Aileron cable tension
Has the letter about wing/alieron flutter from AMD & Zac been mentioned on
the list? Said to check aileron cable tension and the rivets on the doubler
for the rear spar and that we should not fly until these were to standard.
Seems as if they are pretty sure the loss of wing accidents were from
flutter.
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| Subject: | Re: Wire Size For VDO Fuel Senders |
Hi Dave,
The current load from your fuel sender can be calculated by taking
the minimum resistance in ohms and dividing the voltage (14) by
it. I suspect you will get something less than 1 amp. That would
suggest you could use any size wire you want.
However, you want wire that is strong enough mechanically to stand up
to the rigors of flying around in your plane. This might suggest 16
awg or perhaps something down to 22 awg depending on how strong you
think the wire should be and how well it is supported as it is routed
from the fuel tank to the fuel gauge.
In the end, it is just a coin flipper.
Paul
XL getting close
At 08:27 PM 11/10/2008, you wrote:
>I tried to find information on this in the archives, but was not
>successful. Can anyone tell me what size wire I should be using for
>the VDO fuel senders? From my reading, I understand that wire
>should be sized based on the current load of the device and any
>derating factor if placed in a bundle. However, there is no
>amperage information provided with the fuel senders. The only
>information I could find, in the assembly guide, is the variable
>resistance (from approx. 70 ohms at empty position to approx. 10
>ohms at full position). Does the wire size actually depend on what
>I will be using on the other end for the fuel gauges?
>
>Thanks for any help you can provide,
>
>Dave Van Lanen
>
>601XL
Message 25
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| Subject: | Re: Wire Size For VDO Fuel Senders |
Hello Dave;
I am using 16 gauge wire every where other than in places
where high current is required. While this may be overkill I like the
mechanical strength of that size of wire.
John Read
Phone: 303-648-3261
Fax: 303-648-3262
Cell: 719-494-4567
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| Subject: | 601 Aileron cable tension |
Roger
The only accident that I'm aware of involving HD type wings is the Bramley
UK accident. The accident report gives the probable cause for that accident
to be an over-stressed wing that apparently resulted from an abrupt
climbing maneuver to avoid power lines. The accident report is the file
G_YOXI.pdf in the ZBAG file section:
http://groups.yahoo.com/group/ZBAG/files/
There is no mention of flutter.
Terry
At 10:40 PM 11/10/2008 -0600, you wrote:
>Is the wing flutter problem just on XL's or are the older 601HDS wings
>affected too?
>
>
>Roger
Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons
are done; working on the wings
http://www.mykitlog.com/N47TP/
Message 27
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| Subject: | Wire Size For VDO Fuel Senders |
Given the minimal current flow the limiting factor will be a wire big enough
to reliably crimp a connector onto.
-- Craig
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Dave VanLanen
Sent: Monday, November 10, 2008 9:27 PM
Subject: Zenith-List: Wire Size For VDO Fuel Senders
I tried to find information on this in the archives, but was not successful.
Can anyone tell me what size wire I should be using for the VDO fuel
senders? From my reading, I understand that wire should be sized based on
the current load of the device and any derating factor if placed in a
bundle. However, there is no amperage information provided with the fuel
senders. The only information I could find, in the assembly guide, is the
variable resistance (from approx. 70 ohms at empty position to approx. 10
ohms at full position). Does the wire size actually depend on what I will
be using on the other end for the fuel gauges?
Thanks for any help you can provide,
Dave Van Lanen
601XL
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