Today's Message Index:
----------------------
1. 05:22 AM - Garmin Experimental Only Radios (gandjpappy)
2. 05:49 AM - Re: Garmin Experimental Only Radios (Sam Hoskins)
3. 05:55 AM - Re: Two Fuel pumps Z-19RB (Joe)
4. 06:02 AM - Switch dimentions (David E. Nelson)
5. 06:09 AM - Re: Garmin Experimental Only Radios (Etienne Phillips)
6. 06:19 AM - Re: Two Fuel pumps Z-19RB (Sam Hoskins)
7. 06:28 AM - Re: Switch dimentions (Bill Bradburry)
8. 06:51 AM - Re: Garmin Experimental Only Radios (Bill Denton)
9. 06:52 AM - Speedbrakes (Dennis Johnson)
10. 07:39 AM - Re: Speedbrakes (Mike)
11. 07:44 AM - Re: Two Fuel pumps Z-19RB (jon@finleyweb.net)
12. 07:47 AM - Re: Two Fuel pumps Z-19RB (jon@finleyweb.net)
13. 07:48 AM - Re: Speed Brake Switch (Mike)
14. 08:23 AM - Re: Garmin Experimental Only Radios (BobsV35B@aol.com)
15. 08:45 AM - Re: Garmin Experimental Only Radios (Sam Hoskins)
16. 09:11 AM - Z-22 Power loss question (discover)
17. 11:50 AM - Re: Speed Brake Switch (Speedy11@aol.com)
18. 12:52 PM - Re: Switch dimensions (Robert L. Nuckolls, III)
19. 12:58 PM - Re: Switch dimentions (David E. Nelson)
20. 01:38 PM - Re: Switch dimensions (David E. Nelson)
21. 03:35 PM - Re: Garmin Experimental Only Radios (J5Cub)
22. 04:48 PM - Re: Two Fuel pumps Z-19RB (Sam Hoskins)
23. 04:48 PM - Re: Two Fuel pumps Z-19RB (Sam Hoskins)
24. 05:32 PM - Re: Two Fuel pumps Z-19RB (Jon Finley)
25. 06:58 PM - Re: Two Fuel pumps Z-19RB (Joe)
26. 06:58 PM - Lead-Free Solders (Robert L. Nuckolls, III)
27. 07:59 PM - Broken Low Voltage Module (Bill Bradburry)
Message 1
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| Subject: | Garmin Experimental Only Radios |
I was wondering what the difference between the radios they sell as Experimental
only and the ones that they sell for Certified aircraft? Is there an easy way
to tell them apart? I am looking to get either a 430 or a 530 and have been
looking at used units but don't want to buy one of the experimental ones if
they are not legal to install.
Thanks in advance,
Greg
Message 2
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| Subject: | Re: Garmin Experimental Only Radios |
If you are not sure if it is legal to install, check with the A&P or repair
station that is going to sign off the installation. Too often, an owner
comes in with something that he/she has purchased and the installer has to
jump through all sorts of hoops.
Don't buy it unless they tell you they can sign it off.
*Sam Hoskins
Quickie Blog <http://www.samhoskins.blogspot.com/>
Quickie Website <http://home.mchsi.com/%7Eshoskins/index.htm>*
*On Mon, Jun 16, 2008 at 7:19 AM, gandjpappy <gandjpappy@aol.com> wrote:
*
>
> *I was wondering what the difference between the radios they sell as
> Experimental only and the ones that they sell for Certified aircraft? Is
> there an easy way to tell them apart? I am looking to get either a 430 or a
> 530 and have been looking at used units but don't want to buy one of the
> experimental ones if they are not legal to install.*
> * *
> *Thanks in advance,*
> *Greg*
> *
> ------------------------------
> Get the Moviefone Toolbar<http://toolbar.aol.com/moviefone/download.html?ncid=aolcmp00050000000011>.
> Showtimes, theaters, movie news, & more!*
>
> *
>
> *
>
> *
*
Message 3
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| Subject: | Re: Two Fuel pumps Z-19RB |
Sam,
Why are you using a double pole switch for "System B Engine Secondary"
ECU instead of a single pole switch?
Suggestion for Ignition Coil +12V Supply: connect switch terminals 1 & 4
together and terminals 3 & 6 together for redundancy.
Would it hurt anything to have two pumps running at once? It would
greatly simplify the circuit to have one switch for each pump, with each
switch having 3 positions: source A, OFF, source B. It would be up to
the pilot to make sure that only one pump in turned on at a time.
If you absolutely have to prevent both pumps from running at once, let
me know and I will draw a circuit using either 4 switches or else 2
switches plus diodes.
Joe
Message 4
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| Subject: | Switch dimentions |
Hi Bob,
I went to Carling's www site in search of mech drawaings for their S700
series switches and I couldn't find any. Would you by chance have a copy
laying around? Or if not, would you mind jotting down the case dimensions
of a S700-2 style switch?
Also, do you have any recommendations on switch spacing? I'm using 1.25"
and on the CAD drawing, they seem a little far apart.
Thank you,
/\/elson
~~ Lately my memory seems to be like a steel trap .... without any spring. ~~
Message 5
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| Subject: | Re: Garmin Experimental Only Radios |
Certified one's have an extra 0 at the end of the price tag ;-)
Do not archive. It's drivel.
On 16 Jun 2008, at 2:19 PM, gandjpappy wrote:
> I was wondering what the difference between the radios they sell as
> Experimental only and the ones that they sell for Certified
> aircraft? Is there an easy way to tell them apart? I am looking
> to get either a 430 or a 530 and have been looking at used units
> but don't want to buy one of the experimental ones if they are not
> legal to install.
>
> Thanks in advance,
> Greg
> Get the Moviefone Toolbar. Showtimes, theaters, movie news, & more!
>
>
Message 6
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| Subject: | Re: Two Fuel pumps Z-19RB |
I think it might be better to only have one fuel pump at a time, to prevent
overloading the pressure regulator. I don't know how much flow the P.R. can
handle, since I have not yet powered up the system. If the regulator can
handle two pumps, then no problem. However, if it can't, then running two
pumps may adversely affect the mixture.
I recently saw an accident report involving a Lancair IV where it is
speculated that two pumps were running at once and the engine lost power
because of an excessively rich condition.
Anyway, that's my reasoning.
*Sam Hoskins
Quickie Blog <http://www.samhoskins.blogspot.com/>
Quickie Website <http://home.mchsi.com/%7Eshoskins/index.htm>*
*On Mon, Jun 16, 2008 at 7:52 AM, Joe <fran5sew@banyanol.com> wrote:
*
>
> *Sam,*
>
> * *
>
> *Why are you using a double pole switch for "System B Engine Secondary" ECU
> instead of a single pole switch?*
>
> * *
>
> *Suggestion for Ignition Coil +12V Supply: connect switch terminals 1 & 4
> together and terminals 3 & 6 together for redundancy.*
>
> * *
>
> *Would it hurt anything to have two pumps running at once? It would
> greatly simplify the circuit to have one switch for each pump, with each
> switch having 3 positions: source A, OFF, source B. It would be up to the
> pilot to make sure that only one pump in turned on at a time.*
>
> * *
>
> *If you absolutely have to prevent both pumps from running at once, let me
> know and I will draw a circuit using either 4 switches or else 2 switches
> plus diodes.*
>
> * *
> *
>
> Joe
> *
>
> *
>
> *
>
> *
*
Message 7
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| Subject: | Switch dimentions |
About .8" is as close as you can get them. That is what mine are set at.
Bill B
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of David E.
Nelson
Sent: Monday, June 16, 2008 8:59 AM
Subject: AeroElectric-List: Switch dimentions
--> <david.nelson@pobox.com>
Hi Bob,
I went to Carling's www site in search of mech drawaings for their S700
series switches and I couldn't find any. Would you by chance have a copy
laying around? Or if not, would you mind jotting down the case dimensions
of a S700-2 style switch?
Also, do you have any recommendations on switch spacing? I'm using 1.25"
and on the CAD drawing, they seem a little far apart.
Thank you,
/\/elson
~~ Lately my memory seems to be like a steel trap .... without any spring.
~~
Message 8
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| Subject: | Garmin Experimental Only Radios |
My understanding is that all Garmin units are for certified aircraft, but
must be installed according to the installation manual and appropriate
TSO's.
Some Garmin dealers do sell units with a harness for experimental aircraft,
which allows them to get around Garmin's requirements for their dealers to
do the installation.
But the radios themselves are exactly the same, and all are approved for
certified aircraft.
Thanks!
Bill Denton
bdenton@bdenton.com
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
gandjpappy
Sent: Monday, June 16, 2008 7:19 AM
Subject: AeroElectric-List: Garmin Experimental Only Radios
I was wondering what the difference between the radios they sell as
Experimental only and the ones that they sell for Certified aircraft? Is
there an easy way to tell them apart? I am looking to get either a 430 or a
530 and have been looking at used units but don't want to buy one of the
experimental ones if they are not legal to install.
Thanks in advance,
Greg
_____
Get
<http://toolbar.aol.com/moviefone/download.html?ncid=aolcmp00050000000011>
the Moviefone Toolbar. Showtimes, theaters, movie news, & more!
Message 9
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Hi Jon,
I think the Precise Flight speedbrakes do best with an ON/ON switch. An
ON/OFF switch works, because the controller will make the speedbrakes
slam closed whenever power is removed, but they slam closed with a fair
amount of force and I can't think that's good for the long term. An
ON/ON switch allows them to be powered closed, which is a smooth,
elegant, operation.
By the way, someone mentioned the problem of asymmetric extension of the
speedbrakes. The Precise Flight controller has sensors and logic
circuits that make that unlikely. If it senses that one side is
extended (or retracted) more than the other, for some minimum length of
time, it automatically closes them both, using the "slam closed" method,
which I think is driven by a strong spring. However, the Legacy is
reported to be fully controllable with one fully extended and the other
fully retracted.
I'm sure you can use a "hat switch" to control them, possibly through
relays, but I'd encourage you to make sure it's unlikely that you or a
passenger could activate the switch by mistake. The speedbrakes are
pretty effective and unplanned activation could be distracting for a
couple of seconds while you were trying to figure out what the heck is
going on.
My switch is on the end of my left hand throttle, in a place I thought
was immune to accidental activation. I inadvertently activated mine
twice during my fly-off test phase, when I was learning how everything
works. The airplane is fully controllable and it's really not an issue,
but it can be a distraction.
Speedbrakes are not required and they're expensive and heavy, but they
are so cool.
Good luck,
Dennis Johnson
Legacy, 135 hours
Message 10
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I used a three position switch for the speed brakes on my Legacy.
Center off, momentary on, switched on. That way you can have the best
of both worlds. The one word of caution is to have a power switch
separate from the control switch. Sometimes switches get hit on the
stick unintentionally. You would not want the speed brakes to come out
during take off and in my experience you wouldn=92t notice right away.
Regards,
Mike
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Dennis Johnson
Sent: Monday, June 16, 2008 6:48 AM
Subject: AeroElectric-List: Speedbrakes
Hi Jon,
I think the Precise Flight speedbrakes do best with an ON/ON switch. An
ON/OFF switch works, because the controller will make the speedbrakes
slam closed whenever power is removed, but they slam closed with a fair
amount of force and I can't think that's good for the long term. An
ON/ON switch allows them to be powered closed, which is a smooth,
elegant, operation.
By the way, someone mentioned the problem of asymmetric extension of the
speedbrakes. The Precise Flight controller has sensors and logic
circuits that make that unlikely. If it senses that one side is
extended (or retracted) more than the other, for some minimum length of
time, it automatically closes them both, using the "slam closed" method,
which I think is driven by a strong spring. However, the Legacy is
reported to be fully controllable with one fully extended and the other
fully retracted.
I'm sure you can use a "hat switch" to control them, possibly through
relays, but I'd encourage you to make sure it's unlikely that you or a
passenger could activate the switch by mistake. The speedbrakes are
pretty effective and unplanned activation could be distracting for a
couple of seconds while you were trying to figure out what the heck is
going on.
My switch is on the end of my left hand throttle, in a place I thought
was immune to accidental activation. I inadvertently activated mine
twice during my fly-off test phase, when I was learning how everything
works. The airplane is fully controllable and it's really not an issue,
but it can be a distraction.
Speedbrakes are not required and they're expensive and heavy, but they
are so cool.
Good luck,
Dennis Johnson
Legacy, 135 hours
"http://www.matronics.com/Navigator?AeroElectric-List"http://www.matroni
cs.com/Navigator?AeroElectric-List
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"http://www.matronics.com/contribution"http://www.matronics.com/contribu
tion
10/2/2007 11:10 AM
10/2/2007 11:10 AM
Message 11
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| Subject: | Re: Two Fuel pumps Z-19RB |
=0ASam,=0A=0A =0A=0AI'm running the RWS system on my Subaru EJ-22 and run b
oth pumps for takeoff, landing, and NOE missions (Nap-Of-the-Earth). I can
't even guess how your O-200, pumps, and regulator will react but mine all
work very well together with about a 2-3 psi pressure rise when both are on
. This makes no noticeable difference to the mixture.=0A=0A =0A=0AJon=0A
=0A=0A-----Original Message-----=0AFrom: "Sam Hoskins" <sam.hoskins@gmail.c
om>=0ASent: Monday, June 16, 2008 9:13am=0ATo: aeroelectric-list@matronics.
com=0ASubject: Re: AeroElectric-List: Two Fuel pumps Z-19RB=0A=0AI think it
might be better to only have one fuel pump at a time, to prevent overloadi
ng the pressure regulator. I don't know how much flow the P.R. can handle,
since I have not yet powered up the system. If the regulator can handle t
wo pumps, then no problem. However, if it can't, then running two pumps ma
y adversely affect the mixture. =0A=0AI recently saw an accident report inv
olving a Lancair IV where it is speculated that two pumps were running at o
nce and the engine lost power because of an excessively rich condition.=0A
=0AAnyway, that's my reasoning.=0A=0ASam Hoskins=0A[http://www.samhoskins.b
logspot.com/] Quickie Blog=0A[http://home.mchsi.com/~shoskins/index.htm] Qu
ickie Website=0A=0A=0A=0AOn Mon, Jun 16, 2008 at 7:52 AM, Joe <fran5sew@ban
yanol.com> wrote:=0A=0A=0A=0A=0A=0A=0A=0ASam,=0A=0A =0A=0AWhy are you using
a double pole switch for "System B Engine Secondary" ECU instead of a sin
gle pole switch?=0A=0A =0A=0ASuggestion for Ignition Coil +12V Supply: conn
ect switch terminals 1 & 4 together and terminals 3 & 6 together for redund
ancy.=0A=0A =0A=0AWould it hurt anything to have two pumps running at once?
It would greatly simplify the circuit to have one switch for each pump, w
ith each switch having 3 positions: source A, OFF, source B. It would be u
p to the pilot to make sure that only one pump in turned on at a time.=0A
=0A =0A=0AIf you absolutely have to prevent both pumps from running at once
, let me know and I will draw a circuit using either 4 switches or else 2 s
=========================0A
=0A
Message 12
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| Subject: | Re: Two Fuel pumps Z-19RB |
=0AAlso, I run my primary ECU power and primary EFI pump from a single 'pri
mary' switch (and a relay) which is on the battery bus. The aux EFI pump i
s on it's own switch.=0A=0A =0A=0AJon=0A=0A=0A-----Original Message-----=0A
From: "Sam Hoskins" <sam.hoskins@gmail.com>=0ASent: Monday, June 16, 2008 9
:13am=0ATo: aeroelectric-list@matronics.com=0ASubject: Re: AeroElectric-Lis
t: Two Fuel pumps Z-19RB=0A=0AI think it might be better to only have one f
uel pump at a time, to prevent overloading the pressure regulator. I don't
know how much flow the P.R. can handle, since I have not yet powered up th
e system. If the regulator can handle two pumps, then no problem. However
, if it can't, then running two pumps may adversely affect the mixture. =0A
=0AI recently saw an accident report involving a Lancair IV where it is spe
culated that two pumps were running at once and the engine lost power becau
se of an excessively rich condition.=0A=0AAnyway, that's my reasoning.=0A
=0ASam Hoskins=0A[http://www.samhoskins.blogspot.com/] Quickie Blog=0A[http
://home.mchsi.com/~shoskins/index.htm] Quickie Website=0A=0A=0A=0AOn Mon, J
un 16, 2008 at 7:52 AM, Joe <fran5sew@banyanol.com> wrote:=0A=0A=0A=0A=0A
=0A=0A=0ASam,=0A=0A =0A=0AWhy are you using a double pole switch for "Syste
m B Engine Secondary" ECU instead of a single pole switch?=0A=0A =0A=0ASug
gestion for Ignition Coil +12V Supply: connect switch terminals 1 & 4 toget
her and terminals 3 & 6 together for redundancy.=0A=0A =0A=0AWould it hurt
anything to have two pumps running at once? It would greatly simplify the
circuit to have one switch for each pump, with each switch having 3 positio
ns: source A, OFF, source B. It would be up to the pilot to make sure that
only one pump in turned on at a time.=0A=0A =0A=0AIf you absolutely have t
o prevent both pumps from running at once, let me know and I will draw a ci
rcuit using either 4 switches or else 2 switches plus diodes.=0A=0A =0A=0AJ
=========================0A
.matronics.com/Navigator?AeroElectric-List] http://www.matronics.com/Naviga
-> [http://www.matronics.com/contribution] http://www.matronics.com/contrib
===============0A=0A
Message 13
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| Subject: | Speed Brake Switch |
Jon,
With the Precise Flight speed brakes you have two switches. The first
is the main power switch that provides power to the controller. The
second switch is the control switch which controls the operation of the
speed brake. The first switch is used for removing power from the
system altogether. When power is removed the speed brakes go into
failsafe which is a hard retract. The control switch works through the
computer controller and controls the rate of extension and retraction
while providing asymmetry protection during operation. Look at the
schematic provided and put together list a of questions from that. The
wiring that Precise provides is not very clear. The units were original
designed for an engineered installation on certified aircraft and the
drawings have not been updated for the typical homebuilt installation.
Here is the response from a post that I made down thread: I used a three
position switch for the speed brakes on my Legacy. Center off,
momentary on, switched on. That way you can have the best of both
worlds. The one word of caution is to have a power switch separate from
the control switch. Sometimes switches get hit on the stick
unintentionally. You would not want the speed brakes to come out during
take off and in my experience you wouldn=92t notice right away.
Regards,
Mike Larkin
Legacy dude
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Dennis Johnson
Sent: Monday, June 16, 2008 6:48 AM
Subject: AeroElectric-List: Speedbrakes
Hi Jon,
I think the Precise Flight speedbrakes do best with an ON/ON switch. An
ON/OFF switch works, because the controller will make the speedbrakes
slam closed whenever power is removed, but they slam closed with a fair
amount of force and I can't think that's good for the long term. An
ON/ON switch allows them to be powered closed, which is a smooth,
elegant, operation.
By the way, someone mentioned the problem of asymmetric extension of the
speedbrakes. The Precise Flight controller has sensors and logic
circuits that make that unlikely. If it senses that one side is
extended (or retracted) more than the other, for some minimum length of
time, it automatically closes them both, using the "slam closed" method,
which I think is driven by a strong spring. However, the Legacy is
reported to be fully controllable with one fully extended and the other
fully retracted.
I'm sure you can use a "hat switch" to control them, possibly through
relays, but I'd encourage you to make sure it's unlikely that you or a
passenger could activate the switch by mistake. The speedbrakes are
pretty effective and unplanned activation could be distracting for a
couple of seconds while you were trying to figure out what the heck is
going on.
My switch is on the end of my left hand throttle, in a place I thought
was immune to accidental activation. I inadvertently activated mine
twice during my fly-off test phase, when I was learning how everything
works. The airplane is fully controllable and it's really not an issue,
but it can be a distraction.
Speedbrakes are not required and they're expensive and heavy, but they
are so cool.
Good luck,
Dennis Johnson
Legacy, 135 hours
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Jon
Hults
Sent: Sunday, June 15, 2008 11:00 AM
Subject: AeroElectric-List: Speed Brake Switch
Bob & All,
I have a 4-way momentary "China hat" switch on my Infinity Aerospace
throttle handle that I want to use for flaps (up & down) and speed
brakes (fwd & aft). The Precise Flight speed brakes require an ON-OFF
switch because once power is removed, they will close.
Let me preface my question with the fact the electricity is "not my
area"! My question is how do I use the MOM switch to provide continuous
voltage to the speed brake asymmetry module to keep them extended? Does
it require a relay or some other electrical equipment? Or should I just
use an ON-OFF switch somewhere else?
Thanks,
Jon Hults
Lancair Legacy
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cs.com/Navigator?AeroElectric-List
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tion
10/2/2007 11:10 AM
10/2/2007 11:10 AM
Message 14
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| Subject: | Re: Garmin Experimental Only Radios |
Good Morning Sam,
Way out of my area of expertise, but I think you will find that there is no
difference at all.
If you buy it for an experimental, you can install it yourself and still get
a warranty. If it is installed in a certificated airplane, it must be
installed by an Garmin approved radio shop to get the warranty.
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
628 West 86th Street
Downers Grove, IL 60516
630 985-8502
Stearman N3977A
Brookeridge Air Park LL22
In a message dated 6/16/2008 7:51:29 A.M. Central Daylight Time,
sam.hoskins@gmail.com writes:
If you are not sure if it is legal to install, check with the A&P or repair
station that is going to sign off the installation. Too often, an owner
comes in with something that he/she has purchased and the installer has to jump
through all sorts of hoops.
Don't buy it unless they tell you they can sign it off.
Sam Hoskins
**************Vote for your city's best dining and nightlife. City's Best
2008. (http://citysbest.aol.com?ncid=aolacg00050000000102)
Message 15
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| Subject: | Re: Garmin Experimental Only Radios |
I should have prefaced it with - "if you are installing it in a certificated
aircraft". Otherwise, you are correct.
Sam
*On Mon, Jun 16, 2008 at 10:19 AM, <BobsV35B@aol.com> wrote:
*
>
> * **Good Morning Sam,*
> * *
> *Way out of my area of expertise, but I think you will find that there is
> no difference at all. *
> * *
> *If you buy it for an experimental, you can install it yourself and still
> get a warranty. If it is installed in a certificated airplane, it must be
> installed by an Garmin approved radio shop to get the warranty.*
> * *
> *Happy Skies,
>
> Old Bob
> AKA
> Bob Siegfried
> Ancient Aviator
> 628 West 86th Street
> Downers Grove, IL 60516
> 630 985-8502
> Stearman N3977A
> Brookeridge Air Park LL22**
> ** *
> *In a message dated 6/16/2008 7:51:29 A.M. Central Daylight Time,
> sam.hoskins@gmail.com writes:*
>
> *If you are not sure if it is legal to install, check with the A&P or
> repair station that is going to sign off the installation. Too often, an
> owner comes in with something that he/she has purchased and the installer
> has to jump through all sorts of hoops.
>
> Don't buy it unless they tell you they can sign it off.
>
> Sam Hoskins
> *
>
> **
> *
>
>
> **
> ------------------------------
> Vote for your city's best dining and nightlife. City's Best 2008<http://citysbest.aol.com?ncid=aolacg00050000000102>
> .*
>
> *
>
> *
>
> *
*
Message 16
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| Subject: | Z-22 Power loss question |
Considering using Z-22 for a Skytec PM starter circuit.
Z-22 eliminates the jumper on the starter and makes the starter terminal hot with
master on, running an additional line from the starter contactor to power up
the solenoid. Usually, the battery cable runs to and then thru the starter contactor
to the starter.
I know Z-22 is primarily concerned with eliminating "Run On" Would it also provide
more power for starting?
That is would there be less power loss to make battery cable run 14' all the way
to PM starter solenoid or run 11' to firewall mounted starter contactor then
3' to battery? Not running thru the contactor but just connected on the power
side of the contactor.
In other words is there appreciable loss thru 2 lugs joined thru a bolt on the
contactor?
Currently have 3' of 6 gauge from starter to starter contactor which is next to
firewall mounted battery. Am moving battery aft and trying to decide whether
to run the 2 gauge all the way to the starter or just run it to the starter contactor
and keep the 6 gauge from the contactor to the starter. Hope this make
sense...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188123#188123
Message 17
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| Subject: | Re: Speed Brake Switch |
John,
If you contact JD at Inifinity Aerospace he can tell you how to do it. I
think he has an optional switch you could install in place of the original
coolie hat switch that will do what you want.
Stan Sutterfield
I have a 4-way momentary "China hat" switch on my Infinity Aerospace
throttle handle that I want to use for flaps (up & down) and speed
brakes (fwd & aft). The Precise Flight speed brakes require an ON-OFF
switch because once power is removed, they will close.
Let me preface my question with the fact the electricity is "not my
area"! My question is how do I use the MOM switch to provide continuous
voltage to the speed brake asymmetry module to keep them extended? Does
it require a relay or some other electrical equipment? Or should I just
use an ON-OFF switch somewhere else?
Thanks,
Jon Hults
Lancair Legacy
**************Vote for your city's best dining and nightlife. City's Best
2008. (http://citysbest.aol.com?ncid=aolacg00050000000102)
Message 18
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| Subject: | Switch dimensions |
At 09:25 AM 6/16/2008 -0400, you wrote:
><bbradburry@bellsouth.net>
>
>About .8" is as close as you can get them. That is what mine are set at.
>
>Bill B
>
>-----Original Message-----
>From: owner-aeroelectric-list-server@matronics.com
>[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of David E.
>Nelson
>Sent: Monday, June 16, 2008 8:59 AM
>To: aeroelectric-list@matronics.com
>Subject: AeroElectric-List: Switch dimentions
>
>--> <david.nelson@pobox.com>
>
>
>Hi Bob,
>
>I went to Carling's www site in search of mech drawaings for their S700
>series switches and I couldn't find any. Would you by chance have a copy
>laying around? Or if not, would you mind jotting down the case dimensions
>of a S700-2 style switch?
>
>Also, do you have any recommendations on switch spacing? I'm using 1.25"
>and on the CAD drawing, they seem a little far apart.
See http://aeroelectric.com/Pictures/Switches/s700dwg.jpg
In the exemplar layouts at:
http://www.aeroelectric.com/PPS/Switch_Panels/Switches.pdf
and the drawing that generated the .pdf file at:
http://www.aeroelectric.com/PPS/Switch_Panels/spanel.dwg
the switches are on .8" centers except where labeling
nomenclature is needed between switches.
Bob . . .
Message 19
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| Subject: | Switch dimentions |
Thanks Bill.
/\/elson
do not archive
~~ Lately my memory seems to be like a steel trap .... without any spring. ~~
On Mon, 16 Jun 2008, Bill Bradburry wrote:
>
> About .8" is as close as you can get them. That is what mine are set at.
>
> Bill B
>
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
> [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of David E.
> Nelson
> Sent: Monday, June 16, 2008 8:59 AM
> To: aeroelectric-list@matronics.com
> Subject: AeroElectric-List: Switch dimentions
>
> --> <david.nelson@pobox.com>
>
>
> Hi Bob,
>
> I went to Carling's www site in search of mech drawaings for their S700
> series switches and I couldn't find any. Would you by chance have a copy
> laying around? Or if not, would you mind jotting down the case dimensions
> of a S700-2 style switch?
>
> Also, do you have any recommendations on switch spacing? I'm using 1.25"
> and on the CAD drawing, they seem a little far apart.
>
> Thank you,
> /\/elson
>
> ~~ Lately my memory seems to be like a steel trap .... without any spring.
> ~~
>
>
Message 20
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| Subject: | Switch dimensions |
Exactly what I needed.
Thank you, Bob.
do not archive
~~ Lately my memory seems to be like a steel trap .... without any spring. ~~
On Mon, 16 Jun 2008, Robert L. Nuckolls, III wrote:
> <nuckolls.bob@cox.net>
>
> At 09:25 AM 6/16/2008 -0400, you wrote:
>> <bbradburry@bellsouth.net>
>>
>> About .8" is as close as you can get them. That is what mine are set at.
>>
>> Bill B
>>
>> -----Original Message-----
>> From: owner-aeroelectric-list-server@matronics.com
>> [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of David E.
>> Nelson
>> Sent: Monday, June 16, 2008 8:59 AM
>> To: aeroelectric-list@matronics.com
>> Subject: AeroElectric-List: Switch dimentions
>>
>> --> <david.nelson@pobox.com>
>>
>>
>> Hi Bob,
>>
>> I went to Carling's www site in search of mech drawaings for their S700
>> series switches and I couldn't find any. Would you by chance have a copy
>> laying around? Or if not, would you mind jotting down the case dimensions
>> of a S700-2 style switch?
>>
>> Also, do you have any recommendations on switch spacing? I'm using 1.25"
>> and on the CAD drawing, they seem a little far apart.
>
> See http://aeroelectric.com/Pictures/Switches/s700dwg.jpg
>
> In the exemplar layouts at:
>
> http://www.aeroelectric.com/PPS/Switch_Panels/Switches.pdf
>
>
> and the drawing that generated the .pdf file at:
>
> http://www.aeroelectric.com/PPS/Switch_Panels/spanel.dwg
>
> the switches are on .8" centers except where labeling
> nomenclature is needed between switches.
>
> Bob . . .
>
>
Message 21
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| Subject: | Re: Garmin Experimental Only Radios |
Thank you for the replies.
Looks like the radios are the same and the FEDs won't care which I have installed.
The only difference is that the Garmin warranty would likely not be honored
if new "experimental aircraft" radio was installed in a certified aircraft.
My mechanic says he can install the radio and he knows a radio shop that will
do the certification.
Since a new "experimental aircraft" 430 or 530 can be purchased for about the same
price as a used one it might be worth investigating. I wouldn't have a warranty
either way and the certified aircraft radios are about $3000 more. That
is a lot to pay for a warranty.
Greg
Do Not Archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188190#188190
Message 22
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| Subject: | Re: Two Fuel pumps Z-19RB |
Jon,
What fuel pumps and fuel regulator are you using? I want to make sure we
are comparing apples to apples. I have Walbro pumps and an Airmotive
regulator.
Sam
On Mon, Jun 16, 2008 at 9:41 AM, <jon@finleyweb.net> wrote:
> Sam,
>
> I'm running the RWS system on my Subaru EJ-22 and run both pumps for
> takeoff, landing, and NOE missions (Nap-Of-the-Earth). I can't even guess
> how your O-200, pumps, and regulator will react but mine all work very well
> together with about a 2-3 psi pressure rise when both are on. This makes no
> noticeable difference to the mixture.
>
> Jon
>
>
> -----Original Message-----
> From: "Sam Hoskins" <sam.hoskins@gmail.com>
> Sent: Monday, June 16, 2008 9:13am
> To: aeroelectric-list@matronics.com
> Subject: Re: AeroElectric-List: Two Fuel pumps Z-19RB
>
> I think it might be better to only have one fuel pump at a time, to prevent
> overloading the pressure regulator. I don't know how much flow the P.R. can
> handle, since I have not yet powered up the system. If the regulator can
> handle two pumps, then no problem. However, if it can't, then running two
> pumps may adversely affect the mixture.
>
> I recently saw an accident report involving a Lancair IV where it is
> speculated that two pumps were running at once and the engine lost power
> because of an excessively rich condition.
>
> Anyway, that's my reasoning.
>
> *Sam Hoskins
> Quickie Blog <http://www.samhoskins.blogspot.com/>
> Quickie Website <http://home.mchsi.com/%7Eshoskins/index.htm>*
>
> *On Mon, Jun 16, 2008 at 7:52 AM, Joe <fran5sew@banyanol.com> wrote:
> *
>>
>> *Sam,*
>>
>> * *
>>
>> *Why are you using a double pole switch for "System B Engine Secondary" ECU
>> instead of a single pole switch?*
>>
>> * *
>>
>> *Suggestion for Ignition Coil +12V Supply: connect switch terminals 1 & 4
>> together and terminals 3 & 6 together for redundancy.*
>>
>> * *
>>
>> *Would it hurt anything to have two pumps running at once? It would
>> greatly simplify the circuit to have one switch for each pump, with each
>> switch having 3 positions: source A, OFF, source B. It would be up to
>> the pilot to make sure that only one pump in turned on at a time.*
>>
>> * *
>>
>> *If you absolutely have to prevent both pumps from running at once, let
>> me know and I will draw a circuit using either 4 switches or else 2 switches
>> plus diodes.*
>>
>> * *
>> *
>>
>> Joe
>> *
>>
>> *
>>
>> *
>>
>> *
> *
>
> *http://www.matronics.com/Navigator?=======================
> *
>
> *
>
> *
>
>
Message 23
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| Subject: | Re: Two Fuel pumps Z-19RB |
Jon,
What fuel pumps and fuel regulator are you using? I want to make sure we
are comparing apples to apples. I have Walbro pumps and an Airmotive
regulator.
Sam
On Mon, Jun 16, 2008 at 9:41 AM, <jon@finleyweb.net> wrote:
> Sam,
>
> I'm running the RWS system on my Subaru EJ-22 and run both pumps for
> takeoff, landing, and NOE missions (Nap-Of-the-Earth). I can't even guess
> how your O-200, pumps, and regulator will react but mine all work very well
> together with about a 2-3 psi pressure rise when both are on. This makes no
> noticeable difference to the mixture.
>
> Jon
>
>
> -----Original Message-----
> From: "Sam Hoskins" <sam.hoskins@gmail.com>
> Sent: Monday, June 16, 2008 9:13am
> To: aeroelectric-list@matronics.com
> Subject: Re: AeroElectric-List: Two Fuel pumps Z-19RB
>
> I think it might be better to only have one fuel pump at a time, to prevent
> overloading the pressure regulator. I don't know how much flow the P.R. can
> handle, since I have not yet powered up the system. If the regulator can
> handle two pumps, then no problem. However, if it can't, then running two
> pumps may adversely affect the mixture.
>
> I recently saw an accident report involving a Lancair IV where it is
> speculated that two pumps were running at once and the engine lost power
> because of an excessively rich condition.
>
> Anyway, that's my reasoning.
>
> *Sam Hoskins
> Quickie Blog <http://www.samhoskins.blogspot.com/>
> Quickie Website <http://home.mchsi.com/%7Eshoskins/index.htm>*
>
> *On Mon, Jun 16, 2008 at 7:52 AM, Joe <fran5sew@banyanol.com> wrote:
> *
>>
>> *Sam,*
>>
>> * *
>>
>> *Why are you using a double pole switch for "System B Engine Secondary" ECU
>> instead of a single pole switch?*
>>
>> * *
>>
>> *Suggestion for Ignition Coil +12V Supply: connect switch terminals 1 & 4
>> together and terminals 3 & 6 together for redundancy.*
>>
>> * *
>>
>> *Would it hurt anything to have two pumps running at once? It would
>> greatly simplify the circuit to have one switch for each pump, with each
>> switch having 3 positions: source A, OFF, source B. It would be up to
>> the pilot to make sure that only one pump in turned on at a time.*
>>
>> * *
>>
>> *If you absolutely have to prevent both pumps from running at once, let
>> me know and I will draw a circuit using either 4 switches or else 2 switches
>> plus diodes.*
>>
>> * *
>> *
>>
>> Joe
>> *
>>
>> *
>>
>> *
>>
>> *
> *
>
> *http://www.matronics.com/Navigator?=======================
> *
>
> *
>
> *
>
>
Message 24
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| Subject: | Two Fuel pumps Z-19RB |
Ya, definitely not the same setup that I have. I am using the stock
1990-1994 Subaru EJ-22 fuel pressure regulator and two pumps from the 1992
Subaru Loyale.
I think it would be worth it to wire them up on the bench with a pressure
regulator hooked up and run a test. We have such a large header tank that I
don't think heat build up in the fuel is an issue but, as you said, the
inability for the regulator to maintain the correct pressure is an issue.
Jon
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Sam
Hoskins
Sent: Monday, June 16, 2008 5:44 PM
To: aeroelectric-list@matronics.com
Subject: Re: AeroElectric-List: Two Fuel pumps Z-19RB
Jon,
What fuel pumps and fuel regulator are you using? I want to make sure we
are comparing apples to apples. I have Walbro pumps and an Airmotive
regulator.
Sam
On Mon, Jun 16, 2008 at 9:41 AM, <jon@finleyweb.net> wrote:
Sam,
I'm running the RWS system on my Subaru EJ-22 and run both pumps for
takeoff, landing, and NOE missions (Nap-Of-the-Earth). I can't even guess
how your O-200, pumps, and regulator will react but mine all work very well
together with about a 2-3 psi pressure rise when both are on. This makes no
noticeable difference to the mixture.
Jon
-----Original Message-----
From: "Sam Hoskins" <sam.hoskins@gmail.com>
Sent: Monday, June 16, 2008 9:13am
To: aeroelectric-list@matronics.com
Subject: Re: AeroElectric-List: Two Fuel pumps Z-19RB
I think it might be better to only have one fuel pump at a time, to
prevent overloading the pressure regulator. I don't know how much flow the
P.R. can handle, since I have not yet powered up the system. If the
regulator can handle two pumps, then no problem. However, if it can't, then
running two pumps may adversely affect the mixture.
I recently saw an accident report involving a Lancair IV where it is
speculated that two pumps were running at once and the engine lost power
because of an excessively rich condition.
Anyway, that's my reasoning.
Sam Hoskins
Quickie Blog
Quickie Website
On Mon, Jun 16, 2008 at 7:52 AM, Joe <fran5sew@banyanol.com> wrote:
Sam,
Why are you using a double pole switch for "System B Engine Secondary"
ECU instead of a single pole switch?
Suggestion for Ignition Coil +12V Supply: connect switch terminals 1 &
4 together and terminals 3 & 6 together for redundancy.
Would it hurt anything to have two pumps running at once? It would
greatly simplify the circuit to have one switch for each pump, with each
switch having 3 positions: source A, OFF, source B. It would be up to the
pilot to make sure that only one pump in turned on at a time.
If you absolutely have to prevent both pumps from running at once, let
me know and I will draw a circuit using either 4 switches or else 2 switches
plus diodes.
Joe
http://www.matronics.com/Navigator?=======================
Message 25
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| Subject: | Re: Two Fuel pumps Z-19RB |
Sam,
How about the attached circuit? Four fuses are necessary in case a pump
shorts out and blows two of them. The switch is still a single failure
point. It would be better to tolerate two pumps running at once. It
would seem that regulators should be available to handle the flow rate
of two pumps. If you do not want the voltage drop of diodes, two of
SPDT switches could be used instead of diodes. The more complicated the
circuit, the greater the chance of something going wrong.
Joe
Message 26
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| Subject: | Lead-Free Solders |
>Comments/Questions: I enjoyed reading the information in your article on
>crimping vs. soldering. One thing that I did not see addressed was the
>problem of tin whiskers growing on soldered connections and causing shorts:
Tin whiskers occur in very selective environments and
only from tin-lead alloys with every low lead levels. At
the present time, there are no lead-free alloys that have
been embraced by the aviation industry . . . and I would
presume the military isn't really enthusiastic about low-lead
or lead-free solders either. In addition to the tin-whisker
problems, lead-free falls short in a number of performance
characteristics.
Bob . . .
----------------------------------------
( IF one wishes to be "world class" at )
( anything, what ever you do must be )
( exercised EVERY day . . . )
( R. L. Nuckolls III )
----------------------------------------
Message 27
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|
| Subject: | Broken Low Voltage Module |
Bob,
I sent the board in a couple of weeks ago. It should have been waiting for
you when you returned from your vacation to California. I never heard if
you found it ok.
Have you had a chance to take a look at it, and if so, what did you
discover?
Bill B
-----Original Message-----
From: Bill Bradburry [mailto:bbradburry@bellsouth.net]
Sent: Monday, June 02, 2008 5:10 PM
Subject: RE: AeroElectric-List: Previous Master solonoid clicking
I sent the board in the other day. It should be waiting when you return
from your vacation. It will be interesting to see what you find.
Thanks,
Bill B
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Saturday, May 24, 2008 2:07 PM
Subject: RE: AeroElectric-List: Previous Master solonoid clicking
--> <nuckolls.bob@cox.net>
At 10:31 AM 5/24/2008 -0400, you wrote:
><bbradburry@bellsouth.net>
>
>Bob,
>Thanks for the evaluation/repair offer. I will send it in, but please
>remember that you only supplied the board. I supplied the components.
>You don't owe me any free repair!
But I do owe you a "grade" on your efforts with
a goal of honing your skills. It also affords me a data
point which may have future value.
I've fielded a ton of incoming cabbages and tomatoes
for allegedly faulty design and/or advice . . . all
based on situations about which I was honorably skeptical
but unable to defend for lack of hands-on experience.
This was in spite of life-time, money-back guarantees
so I suspect the allegations were bogus. But my warranty
extends to both ideas and product so we're doing each
other a favor here my friend.
>The engine, with this module working, has been running on the ground
>for probably 2 hours. I am not ready for flight yet.
Understand. Let's see if we can figure out
what's going on.
Bob . . .
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