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rowedenny
Joined: 09 Mar 2008
Posts: 338
Location: Western PA
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 Posted: Tue Aug 19, 2014 2:57 pm Post subject: Radio intercom |
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Dave Lewis and myself are having a rough time coming up with a radio intercom set up that works in our Kolbs. His Slingshot is 582 powered and my Mk3 is 670 powered. We both have Icom A4s and I also have an older A21. He uses single place patch cords with PTT, and I have a Rugged Radio intercom. I am very happy with the intercom, but our radio transmissions suck.
What do you guys use that you are happy with?
Also was wondering if anyone has tried the MGL Stratomaster mini radios with a two stroke bird? It seems they work great in the Sonex factory birds.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Tue Aug 19, 2014 3:21 pm Post subject: Radio intercom |
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Dennis, What are the sucking symptoms? What are you running for an antenna?
Rick Girard
On Tue, Aug 19, 2014 at 5:56 PM, Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)> wrote:
| Quote: | --> Kolb-List message posted by: Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)>
Dave Lewis and myself are having a rough time coming up with a radio intercom set up that works in our Kolbs. His Slingshot is 582 powered and my Mk3 is 670 powered. We both have Icom A4s and I also have an older A21. He uses single place patch cords with PTT, and I have a Rugged Radio intercom. I am very happy with the intercom, but our radio transmissions suck.
What do you guys use that you are happy with?
Also was wondering if anyone has tried the MGL Stratomaster mini radios with a two stroke bird? It seems they work great in the Sonex factory birds.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
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Zulu Delta
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lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
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| Posted: Tue Aug 19, 2014 7:09 pm Post subject: Radio intercom |
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On Tue, Aug 19, 2014 at 4:56 PM, Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)> wrote:
| Quote: | --> Kolb-List message posted by: Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)>
Dave Lewis and myself are having a rough time coming up with a radio intercom set up that works in our Kolbs. His Slingshot is 582 powered and my Mk3 is 670 powered. We both have Icom A4s and I also have an older A21. He uses single place patch cords with PTT, and I have a Rugged Radio intercom. I am very happy with the intercom, but our radio transmissions suck.
What do you guys use that you are happy with?
Also was wondering if anyone has tried the MGL Stratomaster mini radios with a two stroke bird? It seems they work great in the Sonex factory birds.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
I am using the Sigtronics Transcom II Its an intercom for two stroke engines. It has a side band on it so that you voice comes through in your headphones as well. That keeps you from shouting because it is weird to not hear your own voice. I also has a jack for a recorder and a music jack which works ?pretty good? Although I could not hear music when I was running a 503. It does well with an HKS however. I find that music and coffee are a plus when you are flying. |
LarryÂ
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lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
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| Posted: Tue Aug 19, 2014 7:16 pm Post subject: Radio intercom |
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I guess I should have read a bit more before I let my fingers do any walking. The best guess is that your antenna is not right or your ground plane is either non existent, or there is electrical interference. Back in my cage,
Larry
On Tue, Aug 19, 2014 at 4:56 PM, Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)> wrote:
| Quote: | --> Kolb-List message posted by: Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)>
Dave Lewis and myself are having a rough time coming up with a radio intercom set up that works in our Kolbs. His Slingshot is 582 powered and my Mk3 is 670 powered. We both have Icom A4s and I also have an older A21. He uses single place patch cords with PTT, and I have a Rugged Radio intercom. I am very happy with the intercom, but our radio transmissions suck.
What do you guys use that you are happy with?
Also was wondering if anyone has tried the MGL Stratomaster mini radios with a two stroke bird? It seems they work great in the Sonex factory birds.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
===========
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FORUMS -
_blank">http://forums.matronics.com
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     -Matt Dralle, List Admin.
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[quote][b]
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Tue Aug 19, 2014 8:12 pm Post subject: Re: Radio intercom |
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Last winter we did a number of tests between two Kolbs, the FSII N582EF and the MKIII N420P and discovered some interesting things. One of the things we did was to use a handheld radio and while the engine was running, and using the handheld radio, move around the airplanes and try and discover where the engine created the most noise and the worse reception, and the least noise and the best reception.
We discovered that the best place for minimum noise and best reception was at the top of the vertical fin.
Based on that, we relocated the antennas for each airplane to the top of the vertical fin.
Here are the pictures of the installations for both the MKIII and the FSII.
The antenna is made by taking a Radio Shack twist-on male BNC connector, part # 278-103 and a length of 1/16" model airplane pushrod steel wire, and combining them like this: take one end of the steel wire, and taper it on a grinder until it will fit into the connector until the end just pokes through the end of the middle terminal connector. Solder it to the connector at that end. Fill the shank up with epoxy, and after it hardens, cut it to about 25 inches total length, and trim it to final length while checking an SWR meter. If you don't have an SWR meter, make it 24 1/4" long total length, base to tip, it will work. Put a little curl on the end, or Murphy's Law says someone will poke it through their eye. Cost? $8. Weight? 2 ounces.
Another factor was the headset. I had been using a Softcom headset for a number of years, but unbeknownst to me, it had gone bad. Got a new Gulf Coast Avionics El Cheapo ANR headset and it helped immensely. Also got an older Lightspeed ANR headset, and it also improved things immensely. Both are very good and quite comfortable, and the price in both cases was very reasonable on ebay. I can call TRI ATC for a comm check and get "5X5, with some background noise." Since both airplanes have a Rotax 582 churning away in the background, that sounds reasonable, and a pretty good deal. Before getting the new headsets, TRI ATC said I was unreadable.
Hope this is helpful.
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_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
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rowedenny
Joined: 09 Mar 2008
Posts: 338
Location: Western PA
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| Posted: Wed Aug 20, 2014 3:27 am Post subject: Radio intercom |
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We both use the older, (affordable) LightSpeed QFR headsets, they are sweet and I believe many here use them with good results. We gave factory 45 degree antennas under our nose cones with aluminum sheet metal disks on the inside of the cones for reinforcement. I believe the disks are grounded to the airframe. My tach and kill switch leads are separately shielded.
No capacitors on the buss.
We get garbled reception, a lot of background noise. Part of my issue may be in my patch cords to the intercom.
Dennis "Skid" RoweMk3, Rotax 670,
Leechburg, PA
[quote]Dennis, What are the sucking symptoms? What are you running for an antenna?
Rick Girard
| Quote: | Dave Lewis and myself are having a rough time coming up with a radio intercom set up that works in our Kolbs. His Slingshot is 582 powered and my Mk3 is 670 powered. We both have Icom A4s and I also have an older A21. He uses single place patch cords with PTT, and I have a Rugged Radio intercom. I am very happy with the intercom, but our radio transmissions suck.
What do you guys use that you are happy with?
Also was wondering if anyone has tried the MGL Stratomaster mini radios with a two stroke bird? It seems they work great in the Sonex factory birds.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg,
|
[b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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rowedenny
Joined: 09 Mar 2008
Posts: 338
Location: Western PA
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| Posted: Wed Aug 20, 2014 3:29 am Post subject: Radio intercom |
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I'll check to see if my aluminum plate is grounded to the airframe
Dennis "Skid" RoweMk3, Rotax 670,
Leechburg, PA
On Aug 19, 2014, at 11:16 PM, Larry Cottrell <lcottrell1020(at)gmail.com (lcottrell1020(at)gmail.com)> wrote:
[quote]I guess I should have read a bit more before I let my fingers do any walking. The best guess is that your antenna is not right or your ground plane is either non existent, or there is electrical interference. Back in my cage,
Larry
On Tue, Aug 19, 2014 at 4:56 PM, Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)> wrote:
| Quote: | --> Kolb-List message posted by: Dennis Rowe <rowedenny(at)windstream.net (rowedenny(at)windstream.net)>
Dave Lewis and myself are having a rough time coming up with a radio intercom set up that works in our Kolbs. His Slingshot is 582 powered and my Mk3 is 670 powered. We both have Icom A4s and I also have an older A21. He uses single place patch cords with PTT, and I have a Rugged Radio intercom. I am very happy with the intercom, but our radio transmissions suck.
What do you guys use that you are happy with?
Also was wondering if anyone has tried the MGL Stratomaster mini radios with a two stroke bird? It seems they work great in the Sonex factory birds.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
===========
-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.
[b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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rowedenny
Joined: 09 Mar 2008
Posts: 338
Location: Western PA
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| Posted: Wed Aug 20, 2014 3:30 am Post subject: Radio intercom |
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Pics please, and capacitor specs if possible?
Dennis "Skid" RoweMk3, Rotax 670,
Leechburg, PA
On Aug 20, 2014, at 12:41 AM, Larry Cottrell <lcottrell1020(at)gmail.com (lcottrell1020(at)gmail.com)> wrote:
[quote]My antenna is made the same way as the one that Richard was talking about, but mine is mounted under the nose pod and the base is grounded to the floor pan for a "ground plane". My plane had a commercial aircraft antenna mounted just ahead of it in the nose cone without a ground plane and would not transmit more than 8 miles. Mounted and grounded to the floor pan my homemade transmits 29 miles with an icom A4 radio. It was a bit scratchy, so 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. Larry
On Tue, Aug 19, 2014 at 10:12 PM, Richard Pike <richard(at)bcchapel.org (richard(at)bcchapel.org)> wrote:
| Quote: | --> Kolb-List message posted by: "Richard Pike" <richard(at)bcchapel.org (richard(at)bcchapel.org)>
Last winter we did a number of tests between two Kolbs, the FSII N582EF and the MKIII N420P and discovered some interesting things. One of the things we did was to use a handheld radio and while the engine was running, and using the handheld radio, move around the airplanes and try and discover where the engine created the most noise and the worse reception, and the least noise and the best reception.
We discovered that the best place for minimum noise and best reception was at the top of the vertical fin.
Based on that, we relocated the antennas for each airplane to the top of the vertical fin.
Here are the pictures of the installations for both the MKIII and the FSII.
The antenna is made by taking a Radio Shack twist-on male BNC connector, part # 278-103 and a length of 1/16" model airplane pushrod steel wire, and combining them like this: take one end of the steel wire, and taper it on a grinder until it will fit into the connector until the end just pokes through the end of the middle terminal connector. Solder it to the connector at that end. Fill the shank up with epoxy, and after it hardens, cut it to about 25 inches total length, and trim it to final length while checking an SWR meter. If you don't have an SWR meter, make it 24 1/4" long total length, base to tip, it will work. Put a little curl on the end, or Murphy's Law says someone will poke it through their eye. Cost? $8. Weight? 2 ounces.
Another factor was the headset. I had been using a Softcom headset for a number of years, but unbeknownst to me, it had gone bad. Got a new Gulf Coast Avionics El Cheapo ANR headset and it helped immensely. Also got an older Lightspeed ANR headset, and it also improved things immensely. Both are very good and quite comfortable, and the price in both cases was very reasonable on ebay. I can call TRI ATC for a comm check and get "5X5, with some background noise." Since both airplanes have a Rotax 582 churning away in the background, that sounds reasonable, and a pretty good deal. Before getting the new headsets, TRI ATC said I was unreadable.
Hope this is helpful.
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
My soul shall be joyful in the LORD; It shall rejoice in His salvation. Psalm 35:9
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ot;">http://www.matronics.com/contribution
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[b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Wed Aug 20, 2014 5:06 am Post subject: Radio intercom |
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Dennis/Kolbers,
Use a 25v 22000 mf capacitor, more or less.
Install at or near the reg/rec on the positive wire with neg contact grounded to airframe.
The capacitor soaks up noise.
john h
mkIII
Titus, Alabama
From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of Dennis Rowe
Sent: Wednesday, August 20, 2014 6:30 AM
To: kolb-list(at)matronics.com
Subject: Re: Re: Radio intercom
Pics please, and capacitor specs if possible?
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
[quote] [b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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rowedenny
Joined: 09 Mar 2008
Posts: 338
Location: Western PA
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| Posted: Wed Aug 20, 2014 5:48 am Post subject: Radio intercom |
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Will give it a try,
Thanks
Dennis "Skid" RoweMk3, Rotax 670,
Leechburg, PA
On Aug 20, 2014, at 9:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
[quote] 1024x768 <![endif]--> Clean false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 <![endif]--> <![endif]-->/* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} <![endif]--> <![endif]--> <![endif]-->
Dennis/Kolbers,
Use a 25v 22000 mf capacitor, more or less.
Install at or near the reg/rec on the positive wire with neg contact grounded to airframe.
The capacitor soaks up noise.
john h
mkIII
Titus, Alabama
From: owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com) [mailto:owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com)] On Behalf Of Dennis Rowe
Sent: Wednesday, August 20, 2014 6:30 AM
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Subject: Re: Re: Radio intercom
Pics please, and capacitor specs if possible?
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
| Quote: |
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
List"">http://www.matronics.com/Navigator?Kolb-List
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ot;">http://www.matronics.com/contribution
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t41pilot
Joined: 05 Sep 2011
Posts: 38
Location: Howard City, Michigan
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| Posted: Wed Aug 20, 2014 5:49 am Post subject: Re: Radio intercom |
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Here's a link to an MGL document that looks like it would apply to most installs that addresses radio/antenna/intercom issues. Since I don't trailer my Airplane and keep it hangared, I opted for a different install that works well for me. It is homemade as well and is dirt cheap to make. Made in a similar fashion as previously described and uses a 23.5 inch steel wire. The BNC inside the boom tube is a right angle variety and is kept as close to the top of the tube as possible to keep the antenna wire out of my control cables. I have been told I'm noise free on my transmissions and I occasionally receive transmissions from 150 miles away. I don't hear any engine noise in the radio. I use a vertex handheld on a ram mount. I use a radioshack 2,200uf 35volt capacitor mounted right across my regulator terminals. Bigger is better if you want to install it differently. 25 volt or greater is the important part.
http://www.mglavionics.co.za/Docs/AIRCRAFT%20RADIO%20INSTALLATION%20-%20rev1-1.pdf
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frank goodnight
Joined: 27 Dec 2011
Posts: 126
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| Posted: Wed Aug 20, 2014 12:33 pm Post subject: Radio intercom |
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John & 141 one says to use a 22000
Mf capacitor the other says a 2200.
? Is there a typo? My radio shack
Only has up to 10000 mf. I bought a
2200 dc ,has no positive or neg
Terminal marking. Only 3 bucks.
I'll try it If i don't hear from you guys.
Thanks
Frank G
MK 3 classic
Rotax uls--- lots of radio noise, good radio , garmin sl40
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
[quote] 1024x768 <![endif]--> Clean false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 <![endif]--> <![endif]-->/* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} <![endif]--> <![endif]--> <![endif]-->
Dennis/Kolbers,
Use a 25v 22000 mf capacitor, more or less.
Install at or near the reg/rec on the positive wire with neg contact grounded to airframe.
The capacitor soaks up noise.
john h
mkIII
Titus, Alabama
From: owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com) [mailto:owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com)] On Behalf Of Dennis Rowe
Sent: Wednesday, August 20, 2014 6:30 AM
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Subject: Re: Re: Radio intercom
Pics please, and capacitor specs if possible?
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
| Quote: |
===================================
://www.matronics.com/Navigator?Kolb-List
===================================
cs.com
===================================
matronics.com/contribution
===================================
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frank goodnight
Joined: 27 Dec 2011
Posts: 126
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| Posted: Wed Aug 20, 2014 12:46 pm Post subject: Radio intercom |
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John
Is your capacitor mounted before the
Reg or after?
Thanks Frank
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
[quote] 1024x768 <![endif]--> Clean false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 <![endif]--> <![endif]-->/* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} <![endif]--> <![endif]--> <![endif]-->
Dennis/Kolbers,
Use a 25v 22000 mf capacitor, more or less.
Install at or near the reg/rec on the positive wire with neg contact grounded to airframe.
The capacitor soaks up noise.
john h
mkIII
Titus, Alabama
From: owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com) [mailto:owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com)] On Behalf Of Dennis Rowe
Sent: Wednesday, August 20, 2014 6:30 AM
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Subject: Re: Re: Radio intercom
Pics please, and capacitor specs if possible?
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
| Quote: |
===================================
://www.matronics.com/Navigator?Kolb-List
===================================
cs.com
===================================
matronics.com/contribution
===================================
|
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rlaird
Joined: 10 Jan 2006
Posts: 373
Location: Houston
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| Posted: Wed Aug 20, 2014 12:48 pm Post subject: Radio intercom |
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mouser.com  has the capacitors you'll need....
On Wed, Aug 20, 2014 at 3:32 PM, Frank <frank.goodnight(at)att.net (frank.goodnight(at)att.net)> wrote:
[quote]John & 141 one says to use a 22000
Mf capacitor the other says a 2200.
? Is there a typo? My radio shackÂ
Only has up to 10000 mf. I bought aÂ
2200 dc ,has no positive or neg
Terminal marking. Only 3 bucks.
I'll try it If i don't hear from you guys.
Thanks
Frank G
MK 3 classic
Rotax uls--- lots of radio noise, good radio , garmin sl40
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
| Quote: |
get="_blank">http://www.matronics.com/Navigator?Kolb-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
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_________________
~~~~~~~~~~~~~~~~~~~
Robert Laird
formerly: MkIIIc w/ 912ULS & Gyrobee
current: Autogyro Cavalon w/ 914ULS
Houston, TX area
http://www.Texas-Flyer.com |
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rlaird
Joined: 10 Jan 2006
Posts: 373
Location: Houston
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| Posted: Wed Aug 20, 2014 12:50 pm Post subject: Radio intercom |
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[img]cid:ii_147f52ef79a54793[/img]
On Wed, Aug 20, 2014 at 3:48 PM, Robert Laird <rlaird(at)cavediver.com (rlaird(at)cavediver.com)> wrote:
| Quote: | mouser.com  has the capacitors you'll need....
On Wed, Aug 20, 2014 at 3:32 PM, Frank <frank.goodnight(at)att.net (frank.goodnight(at)att.net)> wrote:
| Quote: | John & 141 one says to use a 22000
Mf capacitor the other says a 2200.
? Is there a typo? My radio shackÂ
Only has up to 10000 mf. I bought aÂ
2200 dc ,has no positive or neg
Terminal marking. Only 3 bucks.
I'll try it If i don't hear from you guys.
Thanks
Frank G
MK 3 classic
Rotax uls--- lots of radio noise, good radio , garmin sl40
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
| Quote: |
get="_blank">http://www.matronics.com/Navigator?Kolb-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
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15115 Time(s) |
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_________________
~~~~~~~~~~~~~~~~~~~
Robert Laird
formerly: MkIIIc w/ 912ULS & Gyrobee
current: Autogyro Cavalon w/ 914ULS
Houston, TX area
http://www.Texas-Flyer.com |
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frank goodnight
Joined: 27 Dec 2011
Posts: 126
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| Posted: Wed Aug 20, 2014 12:55 pm Post subject: Radio intercom |
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Thanks Robert
Looks like it's 20000 +
Frank
Sent from my iPhone
On Aug 20, 2014, at 3:50 PM, Robert Laird <rlaird(at)cavediver.com (rlaird(at)cavediver.com)> wrote:
[quote]
<image.png>
On Wed, Aug 20, 2014 at 3:48 PM, Robert Laird <rlaird(at)cavediver.com (rlaird(at)cavediver.com)> wrote:
| Quote: | mouser.com has the capacitors you'll need....
On Wed, Aug 20, 2014 at 3:32 PM, Frank <frank.goodnight(at)att.net (frank.goodnight(at)att.net)> wrote:
| Quote: | John & 141 one says to use a 22000
Mf capacitor the other says a 2200.
? Is there a typo? My radio shack
Only has up to 10000 mf. I bought a
2200 dc ,has no positive or neg
Terminal marking. Only 3 bucks.
I'll try it If i don't hear from you guys.
Thanks
Frank G
MK 3 classic
Rotax uls--- lots of radio noise, good radio , garmin sl40
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
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[b]
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Wed Aug 20, 2014 12:57 pm Post subject: Radio intercom |
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On the 12VDC side of the reg/rec.
I discovered capacitors way back in my FS days. I wanted 12VDC power for the 447 without a battery. JC Whitney had a dirt bike battery eliminator kit that included a small capacitor. After flying with it for a while I decided that capacitor was extra cargo and removed it. Handheld radio was unusable. Replaced the capacitor and all was fine again.
john h
mkIII
Titus, Alabama
---- Frank <frank.goodnight(at)att.net> wrote:
| Quote: | John
Is your capacitor mounted before the
Reg or after?
Thanks Frank
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com> wrote:
> Dennis/Kolbers,
>
> Use a 25v 22000 mf capacitor, more or less.
>
> Install at or near the reg/rec on the positive wire with neg contact grounded to airframe.
>
> The capacitor soaks up noise.
>
> john h
> mkIII
> Titus, Alabama
>
>
> From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of Dennis Rowe
> Sent: Wednesday, August 20, 2014 6:30 AM
> To: kolb-list(at)matronics.com
> Subject: Re: Re: Radio intercom
>
> Pics please, and capacitor specs if possible?
>
> Dennis "Skid" Rowe
> Mk3, Rotax 670,
> Leechburg, PA
>
>
>
>
====================================
====================================
====================================
====================================
>
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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frank goodnight
Joined: 27 Dec 2011
Posts: 126
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| Posted: Wed Aug 20, 2014 1:02 pm Post subject: Radio intercom |
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Thanks John
Frank
Do no archive
Sent from my iPhone
On Aug 20, 2014, at 3:57 PM, <jhauck(at)elmore.rr.com> wrote:
| Quote: |
On the 12VDC side of the reg/rec.
I discovered capacitors way back in my FS days. I wanted 12VDC power for the 447 without a battery. JC Whitney had a dirt bike battery eliminator kit that included a small capacitor. After flying with it for a while I decided that capacitor was extra cargo and removed it. Handheld radio was unusable. Replaced the capacitor and all was fine again.
john h
mkIII
Titus, Alabama
---- Frank <frank.goodnight(at)att.net> wrote:
> John
> Is your capacitor mounted before the
> Reg or after?
> Thanks Frank
> Sent from my iPhone
>
> On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com> wrote:
>
>> Dennis/Kolbers,
>>
>> Use a 25v 22000 mf capacitor, more or less.
>>
>> Install at or near the reg/rec on the positive wire with neg contact grounded to airframe.
>>
>> The capacitor soaks up noise.
>>
>> john h
>> mkIII
>> Titus, Alabama
>>
>>
>> From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of Dennis Rowe
>> Sent: Wednesday, August 20, 2014 6:30 AM
>> To: kolb-list(at)matronics.com
>> Subject: Re: Re: Radio intercom
>>
>> Pics please, and capacitor specs if possible?
>>
>> Dennis "Skid" Rowe
>> Mk3, Rotax 670,
>> Leechburg, PA
> ====================================
> ====================================
> ====================================
> ====================================
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Wed Aug 20, 2014 1:05 pm Post subject: Radio intercom |
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22,000.
john h
mkIII
Titus, Alabama
From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of Frank
Sent: Wednesday, August 20, 2014 3:32 PM
To: kolb-list(at)matronics.com
Subject: Re: Re: Radio intercom
John & 141 one says to use a 22000
Mf capacitor the other says a 2200.
? Is there a typo? My radio shack
Only has up to 10000 mf. I bought a
2200 dc ,has no positive or neg
Terminal marking. Only 3 bucks.
I'll try it If i don't hear from you guys.
Thanks
Frank G
MK 3 classic
Rotax uls--- lots of radio noise, good radio , garmin sl40
Sent from my iPhone
On Aug 20, 2014, at 8:05 AM, "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
234567890123456789012345
[quote][b]
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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t41pilot
Joined: 05 Sep 2011
Posts: 38
Location: Howard City, Michigan
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| Posted: Wed Aug 20, 2014 2:36 pm Post subject: Re: Radio intercom |
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Frank
My Rotax 447 install manual calls for a capacitor across the regulator a minimum of 2000 uf. A greater value is certainly better but the greater the value the larger the physical size. The much larger capacitors were too big to mount directly to my regulator which is where I wanted to install it so I opted for the RadioShack part# 272-1048 2200uf. It's working fine for me and mounts directly across the regulator terminals. You don't have to make a separate ground that way either. The negative side of the regulator should already be hooked to ground. I have no noise issues with my radio. Radioshack also has a 4700uf part# 272-1022 which would be even better. Both capacitors should be available at the store. If you want to mount the capacitor somewhere else then certainly opt for the larger capacitors like 20,000uf.
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2011 Firefly |
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