Today's Message Index:
----------------------
1. 01:43 AM - capacitor (George Bearden)
2. 05:31 AM - Re: Re: Radio intercom (Robert Laird)
3. 06:22 AM - Re: Re: Radio intercom (Frank Goodnight)
4. 06:39 AM - Re: FAA question (Charlie England)
5. 07:18 AM - Re: Re: Radio intercom (Herb)
6. 07:36 AM - Re: FAA question (B Young)
7. 12:19 PM - Re: Re: Radio intercom (Samuel Ragland)
8. 01:21 PM - Re: Re: Radio intercom (Dennis Rowe)
9. 01:22 PM - Re: Re: Radio intercom (Dennis Rowe)
10. 01:38 PM - Re: Re: Radio intercom (Samuel Ragland)
Message 1
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> Its the large one, 20-25000
I asked out of curiosity, but I know this value is not a critical thing.
Greater or lesser will probably work the same except in extreme cases. This
depends on the current you are pulling and the nature of transient spikes
(hash, static) you have in your power.
Those tiny lil pale orange ceramic disks found on computer equipment do the
same thing. They can be tiny because the current is tiny and the supplied
power is generally very good. They do have to suppress the tiny spikes
generated by the opening and closing (cycling) of the electronic gates
inside the chip.
The voltage spec is more important. With very dirty power and pulling a lot
of current you will need a higher voltage. When a spike hits the cap it can
puncture the insulation and element inside (foil generally) and short it
out, if it is high enough voltage. You can test for this by the way a cap
holds voltage in it. It should be able to hold a given voltage overnight.
Its hard to measure though! But in the morning if it bumps your meter needle
then it is probably good. A bad cap potentially could drain a small battery.
Not something you are likely to see every day.
> some one furnished earlier says the ground should go straight to the
battery
It is very important to have an excellent ground on everything electrical on
the plane. You can hook the cap to any ground and it will work but for extra
insurance going to the battery is better. Sometimes extra engine grounding
pays dividends in a variety of ways too.
Message 2
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Subject: | Re: Radio intercom |
On Wed, Aug 20, 2014 at 7:44 PM, Larry Cottrell <lcottrell1020@gmail.com>
wrote:
> Its the large one, 20-25000, I can't remember and I have it cushioned
Thanks, Larry, for saying this... it's a VERY good practice to cushion the
heck out of the capacitor... it's wall is very thin and it will get rubbed
through in no time if you don't cushion it well!
-- Robert
Message 3
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Subject: | Re: Radio intercom |
After reading everything I could find about capacitors , it seems that a A/C
capacitor
can be used anywhere in place of a DC because it is non polarized. A DC cann
ot be
used in a AC circuit or hooked up with reverse polarity or it will burn up. T
he only reason
for a DC is that it is 1/2 the price of a AC. I don't know if this is fact o
r fiction. As I am
having trouble finding a DC 22,000 mf would someone that is a little more kn
owledgable
than me please tell me if a AC will help reduce the engine noise when I tran
smit.
Frank G
Fayetteville AR
MK 3 Classic ULS Sent from my iPad
On Aug 20, 2014, at 8:32 PM, B Young <byoungplumbing@gmail.com> wrote:
> Another devise that can help is an inductor... a lot of car audio systems
use them... home brew by wrapping a steel nail with the power wire and put
it I am old film canister or small pill bottle. Or wrap the wire around a f
errite ring.... want belt and suspenders ,, use a smaller capacitor befor
e and after the inductor. For the right size I'll have to look when I get
home
> Boyd
>
> On Aug 20, 2014 6:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com> wrote:
>> Its the large one, 20-25000, I can't remember and I have it cushioned and
tie wrapped to the side of the cage. There are two screws on the top of the
capacitor. One + one -. The hot wire going to the radio goes to the + and c
ontinues on to the radio. The - goes to the ground bar. The info that some o
ne furnished earlier says the ground should go straight to the battery rathe
r than to a common ground. I will have to change that as soon as I can.
>> Larry
>>
>>
>> On Wed, Aug 20, 2014 at 5:45 PM, George Bearden <gab16@sbcglobal.net> wro
te:
>>>
>>> > Larry said;
>>> "I installed a large capacitor (per John Hauck) and it now transmits lou
d
>>> and clear. The only noise that I hear in it is the quiet click of the
>>> strobes"
>>>
>>> Hope mine sounds that good. That's incredible. I assume the capacitor is
>>> used as a by-pass, from hot to grnd? Do you recall the value?
>>>
>>> Sporty's SP-200
>>> ICOM IC-A20
>>> IC-A2
>>>
>>>
>>>
>>>
>>> ==========
>>> -List" target="_blank">http://www.matronics.com/Navigator?Kolb-List
>>> ==========
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>>> _blank">http://forums.matronics.com
>>> ==========
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>>> -Matt Dralle, List Admin.
>>> target="_blank">http://www.matronics.com/contribution
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>>
>>
>>
>> --
>> If you forward this email, or any part of it, please remove my email addr
ess before sending.
>>
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>> _blank">http://www.matronics.com/contribution
>>
>
>
>
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Message 4
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Subject: | Re: FAA question |
I went through this about 20 years ago. Bought a plane in Michigan;
trailored it to MS. Because of the change in test area, I had to get the
local FSDO to give me a new test area in the paper work. After that, no
issues. If the buyer is in the same area as the seller and can use the
same test area, he shouldn't need to do anything except finish the test
time (after checking the plane very carefully, of course...).
Charlie
On 8/20/2014 11:48 PM, Bob wrote:
> There have been a number of the EAA Webinars that have touched on this
> subject. The answer was always- not a big deal, but the new owner
> may not get credit for all the previously flown test hours, and may in
> fact sometimes have to start from scratch...depends on you FSDO
> discretion. I would call one of the EAA Oshkosh gurus who have
> seen this many times before....Id get their info on the regs and case
> histories then make the call to the local Friendly Aviation guy.
> Should not be a big problem....
> Bob
> *From:* Larry Cottrell <mailto:lcottrell1020@gmail.com>
> *Sent:* Wednesday, August 20, 2014 8:34 PM
> *To:* kolb-list@matronics.com <mailto:kolb-list@matronics.com>
> *Subject:* Kolb-List: FAA question
> I have an acquaintance who is considering buying a plane from a guy
> who has not flown off his test hours completely. Is this going to
> cause more trouble than it is worth?
> Larry
>
Message 5
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Subject: | Re: Radio intercom |
Good capacitors are in every junk piece of electronics at the salvage
yard...anything from 1000 mfd on up should work.. Computer, switching
power supplies use 400 to 600 mfd in the first section of the
supply...just past the full wave bridge...even those may be enough...two
in parallel would double the capacity...
frugal Herb....
On 08/21/2014 08:22 AM, Frank Goodnight wrote:
> After reading everything I could find about capacitors , it seems that
> a A/C capacitor
> can be used anywhere in place of a DC because it is non polarized. A
> DC cannot be
> used in a AC circuit or hooked up with reverse polarity or it will
> burn up. The only reason
> for a DC is that it is 1/2 the price of a AC. I don't know if this is
> fact or fiction. As I am
> having trouble finding a DC 22,000 mf would someone that is a little
> more knowledgable
> than me please tell me if a AC will help reduce the engine noise when
> I transmit.
> Frank G
> Fayetteville AR
> MK 3 Classic ULS Sent from my iPad
>
> On Aug 20, 2014, at 8:32 PM, B Young <byoungplumbing@gmail.com
> <mailto:byoungplumbing@gmail.com>> wrote:
>
>> Another devise that can help is an inductor... a lot of car audio
>> systems use them... home brew by wrapping a steel nail with the
>> power wire and put it I am old film canister or small pill bottle. Or
>> wrap the wire around a ferrite ring.... want belt and suspenders
>> ,, use a smaller capacitor before and after the inductor. For the
>> right size I'll have to look when I get home
>> Boyd
>>
>> On Aug 20, 2014 6:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com
>> <mailto:lcottrell1020@gmail.com>> wrote:
>>
>> Its the large one, 20-25000, I can't remember and I have it
>> cushioned and tie wrapped to the side of the cage. There are two
>> screws on the top of the capacitor. One + one -. The hot wire
>> going to the radio goes to the + and continues on to the radio.
>> The - goes to the ground bar. The info that some one furnished
>> earlier says the ground should go straight to the battery rather
>> than to a common ground. I will have to change that as soon as I
>> can.
>> Larry
>>
>>
>> On Wed, Aug 20, 2014 at 5:45 PM, George Bearden
>> <gab16@sbcglobal.net <mailto:gab16@sbcglobal.net>> wrote:
>>
>> <gab16@sbcglobal.net <mailto:gab16@sbcglobal.net>>
>>
>> > Larry said;
>> "I installed a large capacitor (per John Hauck) and it now
>> transmits loud
>> and clear. The only noise that I hear in it is the quiet
>> click of the
>> strobes"
>>
>> Hope mine sounds that good. That's incredible. I assume the
>> capacitor is
>> used as a by-pass, from hot to grnd? Do you recall the value?
>>
>> Sporty's SP-200
>> ICOM IC-A20
>> IC-A2
>>
>>
>>
>>
>> ==========
>> -List"
>> target="_blank">http://www.matronics.com/Navigator?Kolb-List
>> ==========
>> FORUMS -
>> _blank">http://forums.matronics.com
>> ==========
>> b Site -
>> -Matt Dralle, List Admin.
>> target="_blank">http://www.matronics.com/contribution
>> ==========
>>
>>
>>
>>
>>
>>
>> --
>> /If you forward this email, or any part of it, please remove my
>> email address before sending./
>>
>> *
>>
>> get="_blank">http://www.matronics.com/Navigator?Kolb-List
>> tp://forums.matronics.com
>> _blank">http://www.matronics.com/contribution
>>
>> *
>>
>> *
>>
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>> ==================================
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Message 6
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Subject: | Re: FAA question |
I would not think so... my first question would be why he did not fly off
the hours. Did he not lunge the way it flies, got sick. Had to move for
a new job, etc.
Boyd
On Aug 20, 2014 9:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com> wrote:
> I have an acquaintance who is considering buying a plane from a guy who
> has not flown off his test hours completely. Is this going to cause more
> trouble than it is worth?
> Larry
>
> --
> *If you forward this email, or any part of it, please remove my email
> address before sending.*
>
> *
>
>
> *
>
>
Message 7
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Subject: | Re: Radio intercom |
Dear fellow Kolbers
I don't know much about capacitors but is bigger better?
Back in my car audio days we used "1 FARAD" capacitors. These
held power in reserve so at night when you were driving, the head
lights
would not flicker up and down as the sub woofer went "BOOM " "BOOM".
1 FARAD = 1,000,000 MF.
Thanks in advance;
Sam Ragland
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Herb
Sent: Thursday, August 21, 2014 8:18 AM
Subject: Re: Kolb-List: Re: Radio intercom
Good capacitors are in every junk piece of electronics at the salvage
yard...anything from 1000 mfd on up should work.. Computer, switching
power supplies use 400 to 600 mfd in the first section of the
supply...just past the full wave bridge...even those may be enough...two
in parallel would double the capacity...
frugal Herb....
On 08/21/2014 08:22 AM, Frank Goodnight wrote:
After reading everything I could find about capacitors , it seems that a
A/C capacitor
can be used anywhere in place of a DC because it is non polarized. A DC
cannot be
used in a AC circuit or hooked up with reverse polarity or it will burn
up. The only reason
for a DC is that it is 1/2 the price of a AC. I don't know if this is
fact or fiction. As I am
having trouble finding a DC 22,000 mf would someone that is a little
more knowledgable
than me please tell me if a AC will help reduce the engine noise when I
transmit.
Frank G
Fayetteville AR
MK 3 Classic ULS Sent from my iPad
On Aug 20, 2014, at 8:32 PM, B Young <byoungplumbing@gmail.com> wrote:
Another devise that can help is an inductor... a lot of car audio
systems use them... home brew by wrapping a steel nail with the power
wire and put it I am old film canister or small pill bottle. Or wrap the
wire around a ferrite ring.... want belt and suspenders ,, use a
smaller capacitor before and after the inductor. For the right size
I'll have to look when I get home
Boyd
On Aug 20, 2014 6:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com>
wrote:
Its the large one, 20-25000, I can't remember and I have it cushioned
and tie wrapped to the side of the cage. There are two screws on the top
of the capacitor. One + one -. The hot wire going to the radio goes to
the + and continues on to the radio. The - goes to the ground bar. The
info that some one furnished earlier says the ground should go straight
to the battery rather than to a common ground. I will have to change
that as soon as I can.
Larry
On Wed, Aug 20, 2014 at 5:45 PM, George Bearden <gab16@sbcglobal.net>
wrote:
> Larry said;
"I installed a large capacitor (per John Hauck) and it now transmits
loud
and clear. The only noise that I hear in it is the quiet click of the
strobes"
Hope mine sounds that good. That's incredible. I assume the capacitor is
used as a by-pass, from hot to grnd? Do you recall the value?
Sporty's SP-200
ICOM IC-A20
IC-A2
-List" target="_blank">http://www.matronics.com/Navigator?Kolb-List
FORUMS -
_blank">http://forums.matronics.com
b Site -
-Matt Dralle, List Admin.
target="_blank">http://www.matronics.com/contribution
--
If you forward this email, or any part of it, please remove my email
address before sending.
get="_blank">http://www.matronics.com/Navigator?Kolb-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
=========
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=========
cs.com
=========
matronics.com/contribution
=========
Message 8
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Subject: | Re: Radio intercom |
Different application there, the huge cap you used was to provide more curre
nt for the Bass in your stereo, like a hydraulic accumulator. Here caps are u
sed to short noise spikes to ground to clean up our 12 volt dc
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
> On Aug 21, 2014, at 3:18 PM, "Samuel Ragland" <sfr3@speedyquick.net> wrote
:
>
> Dear fellow Kolbers
>
> I don't know much about capacitors but is bigger better?
> Back in my car audio days we used "1 FARAD" capacitors.=C3=82 =C3=82 Thes
e
> held power in reserve so at night when you were driving, =C3=82 the head l
ights
> would not flicker up and down as the sub woofer went "BOOM " "BOOM".
> 1 FARAD = 1,000,000 MF.
>
> Thanks in advance;
>
> Sam Ragland
> From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@
matronics.com] On Behalf Of Herb
> Sent: Thursday, August 21, 2014 8:18 AM
> To: kolb-list@matronics.com
> Subject: Re: Kolb-List: Re: Radio intercom
>
> Good capacitors are in every junk piece of electronics at the salvage yard
...anything from 1000 mfd on up should work.. Computer, switching power sup
plies use 400 to 600 mfd in the first section of the supply...just past the f
ull wave bridge...even those may be enough...two in parallel would double th
e capacity...
>
> frugal Herb....
>
>
> On 08/21/2014 08:22 AM, Frank Goodnight wrote:
> After reading everything I could find about capacitors , it seems that a A
/C capacitor
> can be used anywhere in place of a DC because it is non polarized. A DC ca
nnot be
> used in a AC circuit or hooked up with reverse polarity or it will burn up
. The only reason
> for a DC is that it is 1/2 the price of a AC. I don't know if this is fact
or fiction. As I am
> having trouble finding a DC 22,000 mf would someone that is a little more k
nowledgable
> than me please tell me if a AC will help reduce the engine noise when I tr
ansmit.
> Frank G
> Fayetteville AR
> MK 3 Classic ULS Sent from my iPad
>
> On Aug 20, 2014, at 8:32 PM, B Young <byoungplumbing@gmail.com> wrote:
>
> Another devise that can help is an inductor... a lot of car audio systems
use them... home brew by wrapping a steel nail with the power wire and put
it I am old film canister or small pill bottle. Or wrap the wire around a f
errite ring.... want belt and suspenders ,, use a smaller capacitor befor
e and after the inductor. For the right size I'll have to look when I get
home
> Boyd
>
> On Aug 20, 2014 6:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com> wrote:
> Its the large one, 20-25000, I can't remember and I have it cushioned and t
ie wrapped to the side of the cage. There are two screws on the top of the c
apacitor. One + one -. The hot wire going to the radio goes to the + and con
tinues on to the radio. The - goes to the ground bar. The info that some one
furnished earlier says the ground should go straight to the battery rather t
han to a common ground. I will have to change that as soon as I can.
> Larry
>
>
> On Wed, Aug 20, 2014 at 5:45 PM, George Bearden <gab16@sbcglobal.net> wrot
e:
>
> > Larry said;
> "I installed a large capacitor (per John Hauck) and it now transmits loud
> and clear. The only noise that I hear in it is the quiet click of the
> strobes"
>
> Hope mine sounds that good. That's incredible. I assume the capacitor is
> used as a by-pass, from hot to grnd? Do you recall the value?
>
> Sporty's SP-200
> ICOM IC-A20
> IC-A2
>
>
>
>
> ==========
> -List" target="_blank">http://www.matronics.com/Navigator?Kolb-List
> ==========
> FORUMS -
> _blank">http://forums.matronics.com
> ==========
> b Site -
> -Matt Dralle, List Admin.
> target="_blank">http://www.matronics.com/contribution
> ==========
>
>
>
>
>
>
> --
> If you forward this email, or any part of it, please remove my email addre
ss before sending.
>
>
> get="_blank">http://www.matronics.com/Navigator?Kolb-List
> tp://forums.matronics.com
> _blank">http://www.matronics.com/contribution
>
>
>
> =========================
=========
> ://www.matronics.com/Navigator?Kolb-List
> =========
> cs.com
> =========================
=========
> matronics.com/contribution
> =========
>
>
>
>
>
> http://www.matronic================
> < =C3=82 =C3=82 =C3=82 - MATRONICS WEB FORUMS via the Web =C3=82 =C3=82 -
-> http://forums.matronics.com=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82
=C3=82 - List Contribution Web generous =C3=82 =C3=82 =C3=82 =C3=82 =C3=82
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 -Matt http://www.matronic
s.com/c
>
>
>
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
Message 9
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Subject: | Re: Radio intercom |
I got a 2200uf Mallory electrolytic cap today. Should be able to try it soon
. Also discovered my patch cords were incorrect. Ordering right ones
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
> On Aug 21, 2014, at 10:18 AM, Herb <herbgh@nctc.com> wrote:
>
> Good capacitors are in every junk piece of electronics at the salvage y
ard...anything from 1000 mfd on up should work.. Computer, switching power s
upplies use 400 to 600 mfd in the first section of the supply...just past th
e full wave bridge...even those may be enough...two in parallel would double
the capacity...
>
> frugal Herb....
>
>
>> On 08/21/2014 08:22 AM, Frank Goodnight wrote:
>> After reading everything I could find about capacitors , it seems that a A
/C capacitor
>> can be used anywhere in place of a DC because it is non polarized. A DC c
annot be
>> used in a AC circuit or hooked up with reverse polarity or it will burn u
p. The only reason
>> for a DC is that it is 1/2 the price of a AC. I don't know if this is fac
t or fiction. As I am
>> having trouble finding a DC 22,000 mf would someone that is a little more
knowledgable
>> than me please tell me if a AC will help reduce the engine noise when I t
ransmit.
>> Frank G
>> Fayetteville AR
>> MK 3 Classic ULS Sent from my iPad
>>
>> On Aug 20, 2014, at 8:32 PM, B Young <byoungplumbing@gmail.com> wrote:
>>
>>> Another devise that can help is an inductor... a lot of car audio syste
ms use them... home brew by wrapping a steel nail with the power wire and p
ut it I am old film canister or small pill bottle. Or wrap the wire around a
ferrite ring.... want belt and suspenders ,, use a smaller capacitor bef
ore and after the inductor. For the right size I'll have to look when I g
et home
>>> Boyd
>>>
>>>> On Aug 20, 2014 6:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com> wro
te:
>>>> Its the large one, 20-25000, I can't remember and I have it cushioned a
nd tie wrapped to the side of the cage. There are two screws on the top of t
he capacitor. One + one -. The hot wire going to the radio goes to the + and
continues on to the radio. The - goes to the ground bar. The info that some
one furnished earlier says the ground should go straight to the battery rat
her than to a common ground. I will have to change that as soon as I can.
>>>> Larry
>>>>
>>>>
>>>> On Wed, Aug 20, 2014 at 5:45 PM, George Bearden <gab16@sbcglobal.net> w
rote:
>
>>>>>
>>>>> > Larry said;
>>>>> "I installed a large capacitor (per John Hauck) and it now transmits l
oud
>>>>> and clear. The only noise that I hear in it is the quiet click of the
>>>>> strobes"
>>>>>
>>>>> Hope mine sounds that good. That's incredible. I assume the capacitor i
s
>>>>> used as a by-pass, from hot to grnd? Do you recall the value?
>>>>>
>>>>> Sporty's SP-200
>>>>> ICOM IC-A20
>>>>> IC-A2
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>> target="_blank">http://www.matronics.com/contribution
>>>>> ==========
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
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>>> ========================
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Subject: | Re: Radio intercom |
Thanks for the info!
Sam Ragland
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Dennis Rowe
Sent: Thursday, August 21, 2014 2:21 PM
Subject: Re: Kolb-List: Re: Radio intercom
Different application there, the huge cap you used was to provide more
current for the Bass in your stereo, like a hydraulic accumulator. Here
caps are used to short noise spikes to ground to clean up our 12 volt dc
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
On Aug 21, 2014, at 3:18 PM, "Samuel Ragland" <sfr3@speedyquick.net>
wrote:
Dear fellow Kolbers
I don't know much about capacitors but is bigger better?
Back in my car audio days we used "1 FARAD" capacitors.=C3=82 =C3=82
These
held power in reserve so at night when you were driving, =C3=82 the head
lights
would not flicker up and down as the sub woofer went "BOOM " "BOOM".
1 FARAD = 1,000,000 MF.
Thanks in advance;
Sam Ragland
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Herb
Sent: Thursday, August 21, 2014 8:18 AM
Subject: Re: Kolb-List: Re: Radio intercom
Good capacitors are in every junk piece of electronics at the salvage
yard...anything from 1000 mfd on up should work.. Computer, switching
power supplies use 400 to 600 mfd in the first section of the
supply...just past the full wave bridge...even those may be enough...two
in parallel would double the capacity...
frugal Herb....
On 08/21/2014 08:22 AM, Frank Goodnight wrote:
After reading everything I could find about capacitors , it seems that a
A/C capacitor
can be used anywhere in place of a DC because it is non polarized. A DC
cannot be
used in a AC circuit or hooked up with reverse polarity or it will burn
up. The only reason
for a DC is that it is 1/2 the price of a AC. I don't know if this is
fact or fiction. As I am
having trouble finding a DC 22,000 mf would someone that is a little
more knowledgable
than me please tell me if a AC will help reduce the engine noise when I
transmit.
Frank G
Fayetteville AR
MK 3 Classic ULS Sent from my iPad
On Aug 20, 2014, at 8:32 PM, B Young <byoungplumbing@gmail.com> wrote:
Another devise that can help is an inductor... a lot of car audio
systems use them... home brew by wrapping a steel nail with the power
wire and put it I am old film canister or small pill bottle. Or wrap the
wire around a ferrite ring.... want belt and suspenders ,, use a
smaller capacitor before and after the inductor. For the right size
I'll have to look when I get home
Boyd
On Aug 20, 2014 6:46 PM, "Larry Cottrell" <lcottrell1020@gmail.com>
wrote:
Its the large one, 20-25000, I can't remember and I have it cushioned
and tie wrapped to the side of the cage. There are two screws on the top
of the capacitor. One + one -. The hot wire going to the radio goes to
the + and continues on to the radio. The - goes to the ground bar. The
info that some one furnished earlier says the ground should go straight
to the battery rather than to a common ground. I will have to change
that as soon as I can.
Larry
On Wed, Aug 20, 2014 at 5:45 PM, George Bearden <gab16@sbcglobal.net>
wrote:
> Larry said;
"I installed a large capacitor (per John Hauck) and it now transmits
loud
and clear. The only noise that I hear in it is the quiet click of the
strobes"
Hope mine sounds that good. That's incredible. I assume the capacitor is
used as a by-pass, from hot to grnd? Do you recall the value?
Sporty's SP-200
ICOM IC-A20
IC-A2
-List" target="_blank">http://www.matronics.com/Navigator?Kolb-List
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