Today's Message Index:
----------------------
1. 08:05 AM - Re: Ground Power / Tiedown Power Cart (Glen Matejcek)
2. 08:15 AM - Re: Right Angle BNC Fittings (Bill & Sue)
3. 08:26 AM - Re: Re: Ground Power / Tiedown Power Cart (Mike Welch)
4. 08:33 AM - Re: Re: Ground Power / Tiedown Power Cart (Mike Welch)
5. 09:44 AM - Re: Re: Ground Power / Tiedown Power Cart (Ed Gilroy)
6. 10:10 AM - Re: Re: Ground Power / Tiedown Power Cart (Mike Welch)
7. 01:28 PM - Re: Re: Ground Power / Tiedown Power Cart (BobsV35B@aol.com)
8. 07:55 PM - test (Noel Loveys)
9. 07:58 PM - Test (Noel Loveys)
10. 09:47 PM - Re: Test (F. Tim Yoder)
Message 1
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| Subject: | Re: Ground Power / Tiedown Power Cart |
Hi All-
You know, the thing that would make the 12 - 24v battery cart zippy would be a
DPDT knife switch cabable of handling cranking currents. It would handle the
switching function elegantly, and if mounted in a recess or under a cover would
be pretty darn safe from accidental shorts. I've not looked yet, but I wonder
if such a thing is still available, especially in some sort of surpluss house...
Glen Matejcek
Message 2
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| Subject: | Re: Right Angle BNC Fittings |
Bob,
Yes it makes sense and of course you are quite right about the extra loss, but
I challenge anyone to measure it at the frequencies concerned, let alone tell
any difference in practice (we are talking about the equivalent of perhaps a few
inches of cable).
Right angle connectors are harder to come by, but over here RS sell them for less
than the price of the adapters.
The adapters are a little more bulky, but the most serious downside is the weight
which will raise your stall speed by around 0.001%!
Cheers
Bill
BobsV35B(at)aol.com wrote:
> Good Morning Bill,
>
> That which you have shown is, as you say, an adapter. The higher priced version
is a right angle connector, not an adapter.
>
> The adapter has a slightly higher, though still minimal, loss involved. It
means that there are two connections involved in lieu of one and the right angle
connector generally has a slightly smaller profile than does a connector
and an adapter.
>
> Make any sense at all?
>
> Happy Skies,
>
> Old Bob
>
>
>
>
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=316975#316975
Message 3
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| Subject: | Re: Ground Power / Tiedown Power Cart |
> You know=2C the thing that would make the 12 - 24v battery cart zippy wou
ld be a DPDT knife switch
>I wonder if such a thing is still available=2C especially in some sort of
surpluss house...
>
> Glen Matejcek
Glen=2C
You mean like this=3B
http://www.wirthco.com/12/24-volt-heavy-equipment-switch-p-66-l-en.html
Although it isn't configured exactly yet=2C it wouldn't be but a very min
or mod to make it so.
I think you are right. This would be a very simple solution!!
Mike Welch
Message 4
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| Subject: | Re: Ground Power / Tiedown Power Cart |
> You know=2C the thing that would make the 12 - 24v battery cart zippy wou
ld be a DPDT knife switch
> Glen Matejcek
Glen=2C
On second examination=2C yes the switch IS configured correctly right out
of the box. I see where they
make the second set of contacts to go through the handle itself!! Clever!
Mike
Message 5
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| Subject: | Re: Ground Power / Tiedown Power Cart |
That was exactly the kind of device I had mused about in my original request
to this group. It doesn't quite qualify as "idiot-proof", but comes pretty
close.
Ed
On Mon, Oct 25, 2010 at 11:22 AM, Mike Welch <mdnanwelch7@hotmail.com>wrote:
>
> > You know, the thing that would make the 12 - 24v battery cart zippy would
> be a DPDT knife switch
> >I wonder if such a thing is still available, especially in some sort of
> surpluss house...
> >
> > Glen Matejcek
>
>
> Glen,
>
> You mean like this;
>
> http://www.wirthco.com/12/24-volt-heavy-equipment-switch-p-66-l-en.html
>
> Although it isn't configured exactly yet, it wouldn't be but a very minor
> mod to make it so.
>
> I think you are right. This would be a very simple solution!!
>
> Mike Welch
>
> *
>
> *
>
>
Message 6
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| Subject: | Re: Ground Power / Tiedown Power Cart |
Ed=2C
I'd think that someone who can't get the battery boost-start correct=2C
or otherwise screws
up this DPDT blade set-up might not have any business working near a plane.
Just a thought....
Mike
Subject: Re: AeroElectric-List: Re: Ground Power / Tiedown Power Cart
From: egilroy@gmail.com
That was exactly the kind of device I had mused about in my original reques
t to this group. It doesn't quite qualify as "idiot-proof"=2C but comes pre
tty close.
Ed
On Mon=2C Oct 25=2C 2010 at 11:22 AM=2C Mike Welch <mdnanwelch7@hotmail.com
> wrote:
> You know=2C the thing that would make the 12 - 24v battery cart zippy wou
ld be a DPDT knife switch
>I wonder if such a thing is still available=2C especially in some sort of
surpluss house...
>
> Glen Matejcek
Glen=2C
You mean like this=3B
http://www.wirthco.com/12/24-volt-heavy-equipment-switch-p-66-l-en.html
Although it isn't configured exactly yet=2C it wouldn't be but a very min
or mod to make it so.
I think you are right. This would be a very simple solution!!
Mike Welch
ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
Message 7
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| Subject: | Re: Ground Power / Tiedown Power Cart |
Good Afternoon Mike,
You may well be correct, but there are many of us who have been working on
airplanes for sixty years or more who do still make mistakes. Last I heard,
to err is human<G>
I'll take all the help I can get.
Happy Skies,
Old Bob
In a message dated 10/25/2010 12:11:49 P.M. Central Daylight Time,
mdnanwelch7@hotmail.com writes:
Ed,
I'd think that someone who can't get the battery boost-start correct, or
otherwise screws
up this DPDT blade set-up might not have any business working near a
plane. Just a thought....
Mike
____________________________________
Subject: Re: AeroElectric-List: Re: Ground Power / Tiedown Power Cart
From: egilroy@gmail.com
That was exactly the kind of device I had mused about in my original
request to this group. It doesn't quite qualify as "idiot-proof", but comes
pretty close.
Ed
On Mon, Oct 25, 2010 at 11:22 AM, Mike Welch <_mdnanwelch7@hotmail.com_
(mailto:mdnanwelch7@hotmail.com) > wrote:
> You know, the thing that would make the 12 - 24v battery cart zippy
would be a DPDT knife switch
>I wonder if such a thing is still available, especially in some sort of
surpluss house...
>
> Glen Matejcek
Glen,
You mean like this;
_http://www.wirthco.com/12/24-volt-heavy-equipment-switch-p-66-l-en.html_
(http://www.wirthco.com/12/24-volt-heavy-equipment-switch-p-66-l-en.html)
Although it isn't configured exactly yet, it wouldn't be but a very minor
mod to make it so.
I think you are right. This would be a very simple solution!!
Mike Welch
ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
tp://forums.matronics.com _blank">http://www.matronics.com/contribution
-List" target=_blank>http://www.matronics.com/Navigator?AeroElectric-List
ttp://forums.matronics.com =_blank>http://www.matronics.com/contribution
(http://www.matronics.com/Navigator?AeroElectric-List)
(http://www.matronics.com/contribution)
Message 8
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this is just to see if the mail will go through
Noel
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Bill
& Sue
Sent: October 25, 2010 12:43 PM
Subject: AeroElectric-List: Re: Right Angle BNC Fittings
<Billandsue@billbell.co.uk>
Bob,
Yes it makes sense and of course you are quite right about the extra loss,
but I challenge anyone to measure it at the frequencies concerned, let alone
tell any difference in practice (we are talking about the equivalent of
perhaps a few inches of cable).
Right angle connectors are harder to come by, but over here RS sell them for
less than the price of the adapters.
The adapters are a little more bulky, but the most serious downside is the
weight which will raise your stall speed by around 0.001%!
Cheers
Bill
BobsV35B(at)aol.com wrote:
> Good Morning Bill,
>
> That which you have shown is, as you say, an adapter. The higher priced
version is a right angle connector, not an adapter.
>
> The adapter has a slightly higher, though still minimal, loss involved.
It means that there are two connections involved in lieu of one and the
right angle connector generally has a slightly smaller profile than does a
connector and an adapter.
>
> Make any sense at all?
>
> Happy Skies,
>
> Old Bob
>
>
>
>
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=316975#316975
Message 9
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I have been making several posts on the thread Ground power/Tie down cart.
Apparently all my posts are being refused. This one is being sent through a
link on matronics page not via the Reply button.
Noel
Message 10
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Got it
----- Original Message -----
From: Noel Loveys
To: aeroelectric-list@matronics.com
Sent: Monday, October 25, 2010 7:51 PM
Subject: AeroElectric-List: Test
I have been making several posts on the thread Ground power/Tie down
cart. Apparently all my posts are being refused. This one is being
sent through a link on matronics page not via the Reply button.
Noel
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