also a gi7 not a gs46
----- Original Message -----
From: <amps-request@contesting.com>
To: <amps@contesting.com>
Sent: Wednesday, August 08, 2012 10:04 PM
Subject: Amps Digest, Vol 116, Issue 19
> Send Amps mailing list submissions to
> amps@contesting.com
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://lists.contesting.com/mailman/listinfo/amps
> or, via email, send a message with subject or body 'help' to
> amps-request@contesting.com
>
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> amps-owner@contesting.com
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Amps digest..."
>
>
> Today's Topics:
>
> 1. SB-1000 6 Meter Conversion (Richard Solomon)
> 2. Re: SB-1000 6 Meter Conversion (Bill, W6WRT)
> 3. Pictures of SB-1000 conversion to 6 meters (Bill, W6WRT)
> 4. opps (Carey Lockhart, KC5GTT)
> 5. Re: opps (Vic K2VCO)
> 6. Re: Amps Digest, Vol 116, Issue 17 (K3vw@aol.com)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 8 Aug 2012 12:01:18 -0700
> From: Richard Solomon <dickw1ksz@gmail.com>
> Subject: [Amps] SB-1000 6 Meter Conversion
> To: "amps@contesting.com" <amps@contesting.com>
> Message-ID:
> <CAC5FBO_zOcqRX+aPEoeL=mu3C9Wp-L0i6s3PCOxUdRdAd1RwwA@mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Has anyone converted a Heath SB-1000 to 6 Meters ? I would
> like to chat with you about it.
>
> Tnx, Dick, W1KSZ
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 08 Aug 2012 12:30:06 -0700
> From: "Bill, W6WRT" <dezrat1242@yahoo.com>
> Subject: Re: [Amps] SB-1000 6 Meter Conversion
> To: AMPS <amps@contesting.com>
> Message-ID: <fve528p9kvu37k8518leonlmsml625uann@4ax.com>
> Content-Type: text/plain; charset=us-ascii
>
> ORIGINAL MESSAGE:
> On Wed, 8 Aug 2012 12:01:18 -0700, you wrote:
>
>>Has anyone converted a Heath SB-1000 to 6 Meters ? I would
>>like to chat with you about it.
>
> REPLY:
> Yes, I did one back in 2003. I used the technique of stepping down the
> plate
> impedance with a small inductor so I could use the original tune and load
> capacitors. Homebrewed a new tank coil, plate choke and filament choke and
> installed a pi-net impedance matching circuit in the input. I have some
> pix I
> will send anyone who is interested. Works like a charm.
>
> 73, Bill W6WRT
>
>
> ------------------------------
>
> Message: 3
> Date: Wed, 08 Aug 2012 15:40:06 -0700
> From: "Bill, W6WRT" <dezrat1242@yahoo.com>
> Subject: [Amps] Pictures of SB-1000 conversion to 6 meters
> To: AMPS <amps@contesting.com>
> Message-ID: <akq5289neoce919u2n5srvu4176ur52rdf@4ax.com>
> Content-Type: text/plain; charset=us-ascii
>
> I had so many requests for photos that I decided to post the pix here:
>
> http://www.flickr.com/photos/w6wrt
>
> Click on each pic to enlarge and see comments. Email me with any
> questions.
>
> 73, Bill W6WRT
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 8 Aug 2012 20:53:35 -0500
> From: "Carey Lockhart, KC5GTT" <kc5gtt@gmail.com>
> Subject: [Amps] opps
> To: <amps@contesting.com>
> Message-ID: <F1904ED93FFE4424B87FDC385E203A61@careyflex>
> Content-Type: text/plain; charset="iso-8859-1"
>
> this is to funny. look at the plate and find whats wrong other than 11
> meters.
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=200804343800&ssPageName=ADME:X:RTQ:US:1123
>
> ------------------------------
>
> Message: 5
> Date: Wed, 08 Aug 2012 19:01:20 -0700
> From: Vic K2VCO <k2vco.vic@gmail.com>
> Subject: Re: [Amps] opps
> To: amps@contesting.com
> Message-ID: <502319F0.2050803@gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> One thing is that the parasitic suppressor is between the plate and the RF
> choke and NOT
> between the plate and the tank circuit!
>
> On 8/8/2012 6:53 PM, Carey Lockhart, KC5GTT wrote:
>> this is to funny. look at the plate and find whats wrong other than 11
>> meters.
>>
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=200804343800&ssPageName=ADME:X:RTQ:US:1123
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
> --
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco/
>
>
> ------------------------------
>
> Message: 6
> Date: Wed, 8 Aug 2012 19:58:33 -0400 (EDT)
> From: K3vw@aol.com
> Subject: Re: [Amps] Amps Digest, Vol 116, Issue 17
> To: amps@contesting.com
> Message-ID: <4119a.271012bf.3d545729@aol.com>
> Content-Type: text/plain; charset="US-ASCII"
>
> Blower recommendations for an 8877 tube: I have been using a Dayton,
> IC-465
> for my homebrew, pair of 8877's for over 35 years now. It is quiet but
> still delivers the amount of air to properly cool it. Willy K3VW
>
>
> In a message dated 8/8/2012 11:29:16 A.M. Eastern Daylight Time,
> amps-request@contesting.com writes:
>
> Send Amps mailing list submissions to
> amps@contesting.com
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://lists.contesting.com/mailman/listinfo/amps
> or, via email, send a message with subject or body 'help' to
> amps-request@contesting.com
>
> You can reach the person managing the list at
> amps-owner@contesting.com
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Amps digest..."
>
>
> Today's Topics:
>
> 1. Blower recommendations 8877 amp. (Charles Bibb)
> 2. Re: Blower recommendations 8877 amp. (Peter Voelpel)
> 3. Re: Blower recommendations 8877 amp. (Carl)
> 4. Re: Blower recommendations 8877 amp. (donroden@hiwaay.net)
> 5. Re: Blower recommendations 8877 amp. (Bruce Osterberg)
> 6. Re: Blower recommendations 8877 amp. (Jim Barber)
> 7. Re: Blower recommendations 8877 amp. (Carl)
> 8. 8877 Blower (Jim W7RY)
> 9. Re: Blower recommendations 8877 amp. (Radio WC6W)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 07 Aug 2012 14:52:44 -0500
> From: Charles Bibb <zedkay@telepak.net>
> Subject: [Amps] Blower recommendations 8877 amp.
> To: amps@contesting.com
> Message-ID: <auto-000011432629@telepak.net>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
>
> I'm looking for specific blower recommendations for a HB 8877 amp.
> (blower maker and model #).
>
> Everyone says use a Papst blower because they are quieter. I use a
> Papst fan in my HB 2x3-500 amp.
>
> I have several blowers here. The ones that obviously move enough air
> are WAY too loud! The quiet ones I'm not sure about. They seem to
> move plenty of air, but don't produce the amount of water level
> change recommended by Eimac.
>
> I built a liquid tube manometer gauge to measure the back
> pressure. Only the loudest can deliver the minimum 0.41 inch change
> in water level that Eimac recommends for the 8877. Surely, there are
> compromises that work just fine.
>
> What blower are you guys using in your single 8877
> amps? Recommendations, anyone?
>
> 73,
> Charles - K5ZK
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 7 Aug 2012 22:14:45 +0200
> From: "Peter Voelpel" <df3kv@t-online.de>
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: <amps@contesting.com>
> Message-ID: <2CBE3CFDFF9C4ADD8F86AE18003C03F9@shack>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi Charles,
>
> The EBM-Papst model G2E085-AA01-01 will be sufficient for the 8877.
> Of course, any blower will cause more noise then a fan.
> If the tube is not run at full dissipation you can always reduce the
> blower
> voltage and by that the noise level.
> I use the G2E085 with 3x3CX800A7.
>
> 73
> Peter, DJ7WW
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of Charles Bibb
> Sent: Dienstag, 7. August 2012 21:53
> To: amps@contesting.com
> Subject: [Amps] Blower recommendations 8877 amp.
>
>
> I'm looking for specific blower recommendations for a HB 8877 amp.
> (blower maker and model #).
>
> Everyone says use a Papst blower because they are quieter. I use a Papst
> fan in my HB 2x3-500 amp.
>
> I have several blowers here. The ones that obviously move enough air are
> WAY
> too loud! The quiet ones I'm not sure about. They seem to move plenty of
> air, but don't produce the amount of water level change recommended by
> Eimac.
>
> I built a liquid tube manometer gauge to measure the back pressure. Only
> the loudest can deliver the minimum 0.41 inch change in water level that
> Eimac recommends for the 8877. Surely, there are compromises that work
> just
> fine.
>
> What blower are you guys using in your single 8877 amps?
> Recommendations,
> anyone?
>
> 73,
> Charles - K5ZK
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 7 Aug 2012 16:43:22 -0400
> From: "Carl" <km1h@jeremy.mv.com>
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: <amps@contesting.com>, "Charles Bibb" <zedkay@telepak.net>
> Message-ID: <C3C35A91A92C4D1B9C2DB37D171F4C91@computer1>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> There are charts that relate blower speed and impeller diameter to cfm.
> Since the Eimac listing is for CCS commercial duty we hams get some slack
> at
> least for SSB/CW.
>
> EBM-Papst appears to have the tightest tolerances and lowest friction
> which
> do cut down on the noise, especially when using a lower rpm motor.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Charles Bibb" <zedkay@telepak.net>
> To: <amps@contesting.com>
> Sent: Tuesday, August 07, 2012 3:52 PM
> Subject: [Amps] Blower recommendations 8877 amp.
>
>
>>
>> I'm looking for specific blower recommendations for a HB 8877 amp.
>> (blower maker and model #).
>>
>> Everyone says use a Papst blower because they are quieter. I use a
>> Papst fan in my HB 2x3-500 amp.
>>
>> I have several blowers here. The ones that obviously move enough air
>> are WAY too loud! The quiet ones I'm not sure about. They seem to
>> move plenty of air, but don't produce the amount of water level
>> change recommended by Eimac.
>>
>> I built a liquid tube manometer gauge to measure the back
>> pressure. Only the loudest can deliver the minimum 0.41 inch change
>> in water level that Eimac recommends for the 8877. Surely, there are
>> compromises that work just fine.
>>
>> What blower are you guys using in your single 8877
>> amps? Recommendations, anyone?
>>
>> 73,
>> Charles - K5ZK
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 10.0.1424 / Virus Database: 2437/5183 - Release Date: 08/07/12
>>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 07 Aug 2012 16:22:22 -0500
> From: donroden@hiwaay.net
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: amps@contesting.com
> Message-ID: <20120807162222.99223dfpoa84hu6m@webmail.hiwaay.net>
> Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes";
> format="flowed"
>
> Several years ago, I worked on a FM transmitter that used a very large
> diameter blower with a cast-aluminum housing with a small inlet and
> outlet, and it was very quiet. Maybe the sound-dampening of the thick
> aluminum and the slower rotational speed, but it could have been put
> in a remote box and the air fed to the amp with a flex hose and all
> you would hear would be the air.
>
>
> Don W4DNR
>
>
> ------------------------------
>
> Message: 5
> Date: Tue, 07 Aug 2012 19:08:23 -0500
> From: Bruce Osterberg <n9bx@mchsi.com>
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: amps@contesting.com
> Message-ID: <5021ADF7.7070105@mchsi.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Since you Asked Specifically for an 8877 Tube and a Part number for a
> Blower for that Tube, Here is My Recommendation and What I use on My
> W6PO Amplifier, That I use Key Down on EME with WSJT for a 60 Second
> Time Period:
>
> FASCO NO 702111713 Type U21B RPM 3030
> 1/25 HP .49 Amps at 115 Volts Part Number 25-7615
>
> 73 Bruce N9BX 73
>
> On 8/7/2012 3:14 PM, Peter Voelpel wrote:
>> Hi Charles,
>>
>> The EBM-Papst model G2E085-AA01-01 will be sufficient for the 8877.
>> Of course, any blower will cause more noise then a fan.
>> If the tube is not run at full dissipation you can always reduce the
> blower
>> voltage and by that the noise level.
>> I use the G2E085 with 3x3CX800A7.
>>
>> 73
>> Peter, DJ7WW
>>
>> -----Original Message-----
>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
>> On
>> Behalf Of Charles Bibb
>> Sent: Dienstag, 7. August 2012 21:53
>> To: amps@contesting.com
>> Subject: [Amps] Blower recommendations 8877 amp.
>>
>>
>> I'm looking for specific blower recommendations for a HB 8877 amp.
>> (blower maker and model #).
>>
>> Everyone says use a Papst blower because they are quieter. I use a
> Papst
>> fan in my HB 2x3-500 amp.
>>
>> I have several blowers here. The ones that obviously move enough air are
> WAY
>> too loud! The quiet ones I'm not sure about. They seem to move plenty of
>> air, but don't produce the amount of water level change recommended by
>> Eimac.
>>
>> I built a liquid tube manometer gauge to measure the back pressure.
>> Only
>> the loudest can deliver the minimum 0.41 inch change in water level that
>> Eimac recommends for the 8877. Surely, there are compromises that work
> just
>> fine.
>>
>> What blower are you guys using in your single 8877 amps?
> Recommendations,
>> anyone?
>>
>> 73,
>> Charles - K5ZK
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
>
> ------------------------------
>
> Message: 6
> Date: Tue, 07 Aug 2012 18:00:04 -0700
> From: Jim Barber <audioguy@q.com>
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: Bruce Osterberg <n9bx@mchsi.com>
> Cc: amps@contesting.com
> Message-ID: <5021BA14.3020408@q.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> EBM-Papst G2E108-AA05-44
>
> Enough "oomph" to overcome normal chassis back pressure
> and also push air around a 4-inch, 90-degree acoustic
> sweep and out six feet of 4-inch hose. Cast aluminum
> housing, roughly 77 CFM at 0.41 inches of water.
> 54 dB A-weighted, less when installed correctly and both
> intake and exhaust are properly treated.
>
> Available from Newark, OnlineComponents.com, Allied, etc.
> (requires 4uF capacitor and finger screen, not included)
>
> 73,
> Jim N7CXI
>
> On 8/7/2012 5:08 PM, Bruce Osterberg wrote:
>> Since you Asked Specifically for an 8877 Tube and a Part number for a
>> Blower for that Tube, Here is My Recommendation and What I use on My
>> W6PO Amplifier, That I use Key Down on EME with WSJT for a 60 Second
>> Time Period:
>>
>> FASCO NO 702111713 Type U21B RPM 3030
>> 1/25 HP .49 Amps at 115 Volts Part Number 25-7615
>>
>> 73 Bruce N9BX 73
>>
>> On 8/7/2012 3:14 PM, Peter Voelpel wrote:
>>> Hi Charles,
>>>
>>> The EBM-Papst model G2E085-AA01-01 will be sufficient for the 8877.
>>> Of course, any blower will cause more noise then a fan.
>>> If the tube is not run at full dissipation you can always reduce the
> blower
>>> voltage and by that the noise level.
>>> I use the G2E085 with 3x3CX800A7.
>>>
>>> 73
>>> Peter, DJ7WW
>>>
>>> -----Original Message-----
>>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
> On
>>> Behalf Of Charles Bibb
>>> Sent: Dienstag, 7. August 2012 21:53
>>> To: amps@contesting.com
>>> Subject: [Amps] Blower recommendations 8877 amp.
>>>
>>>
>>> I'm looking for specific blower recommendations for a HB 8877 amp.
>>> (blower maker and model #).
>>>
>>> Everyone says use a Papst blower because they are quieter. I use a
> Papst
>>> fan in my HB 2x3-500 amp.
>>>
>>> I have several blowers here. The ones that obviously move enough air
> are WAY
>>> too loud! The quiet ones I'm not sure about. They seem to move plenty
>>> of
>>> air, but don't produce the amount of water level change recommended by
>>> Eimac.
>>>
>>> I built a liquid tube manometer gauge to measure the back pressure.
> Only
>>> the loudest can deliver the minimum 0.41 inch change in water level
>>> that
>>> Eimac recommends for the 8877. Surely, there are compromises that work
> just
>>> fine.
>>>
>>> What blower are you guys using in your single 8877 amps?
> Recommendations,
>>> anyone?
>>>
>>> 73,
>>> Charles - K5ZK
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Tue, 7 Aug 2012 21:28:58 -0400
> From: "Carl" <km1h@jeremy.mv.com>
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: <audioguy@q.com>, "Bruce Osterberg" <n9bx@mchsi.com>
> Cc: amps@contesting.com
> Message-ID: <B3E7F4B96AA24BA2BF25DD163BCFEF76@computer1>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> Thats serious overkill.
>
> Use the one thats in the AL-1500
> F. 410-1200,
>
> $64.95.
>
> EBM Blower,
>
> G2S097-
>
> DB61-08, 110
>
> VAC, 37 CFM, 45
>
> dBA noise level.
>
> Wire leads.
>
> 51/2Wx51/2Hx11/2D
>
> inches
>
>
>
> Carl
>
> KM1H
>
>
>
>
>
> ----- Original Message -----
> From: "Jim Barber" <audioguy@q.com>
> To: "Bruce Osterberg" <n9bx@mchsi.com>
> Cc: <amps@contesting.com>
> Sent: Tuesday, August 07, 2012 9:00 PM
> Subject: Re: [Amps] Blower recommendations 8877 amp.
>
>
>> EBM-Papst G2E108-AA05-44
>>
>> Enough "oomph" to overcome normal chassis back pressure
>> and also push air around a 4-inch, 90-degree acoustic
>> sweep and out six feet of 4-inch hose. Cast aluminum
>> housing, roughly 77 CFM at 0.41 inches of water.
>> 54 dB A-weighted, less when installed correctly and both
>> intake and exhaust are properly treated.
>>
>> Available from Newark, OnlineComponents.com, Allied, etc.
>> (requires 4uF capacitor and finger screen, not included)
>>
>> 73,
>> Jim N7CXI
>>
>> On 8/7/2012 5:08 PM, Bruce Osterberg wrote:
>>> Since you Asked Specifically for an 8877 Tube and a Part number for a
>>> Blower for that Tube, Here is My Recommendation and What I use on My
>>> W6PO Amplifier, That I use Key Down on EME with WSJT for a 60 Second
>>> Time Period:
>>>
>>> FASCO NO 702111713 Type U21B RPM 3030
>>> 1/25 HP .49 Amps at 115 Volts Part Number 25-7615
>>>
>>> 73 Bruce N9BX 73
>>>
>>> On 8/7/2012 3:14 PM, Peter Voelpel wrote:
>>>> Hi Charles,
>>>>
>>>> The EBM-Papst model G2E085-AA01-01 will be sufficient for the 8877.
>>>> Of course, any blower will cause more noise then a fan.
>>>> If the tube is not run at full dissipation you can always reduce the
>>>> blower
>>>> voltage and by that the noise level.
>>>> I use the G2E085 with 3x3CX800A7.
>>>>
>>>> 73
>>>> Peter, DJ7WW
>>>>
>>>> -----Original Message-----
>>>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
>>>> On
>>>> Behalf Of Charles Bibb
>>>> Sent: Dienstag, 7. August 2012 21:53
>>>> To: amps@contesting.com
>>>> Subject: [Amps] Blower recommendations 8877 amp.
>>>>
>>>>
>>>> I'm looking for specific blower recommendations for a HB 8877 amp.
>>>> (blower maker and model #).
>>>>
>>>> Everyone says use a Papst blower because they are quieter. I use a
>>>> Papst
>>>> fan in my HB 2x3-500 amp.
>>>>
>>>> I have several blowers here. The ones that obviously move enough air
> are
>>>> WAY
>>>> too loud! The quiet ones I'm not sure about. They seem to move plenty
> of
>>>> air, but don't produce the amount of water level change recommended by
>>>> Eimac.
>>>>
>>>> I built a liquid tube manometer gauge to measure the back pressure.
>>>> Only
>>>> the loudest can deliver the minimum 0.41 inch change in water level
> that
>>>> Eimac recommends for the 8877. Surely, there are compromises that
> work
>>>> just
>>>> fine.
>>>>
>>>> What blower are you guys using in your single 8877 amps?
>>>> Recommendations,
>>>> anyone?
>>>>
>>>> 73,
>>>> Charles - K5ZK
>>>>
>>>> _______________________________________________
>>>> Amps mailing list
>>>> Amps@contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>
>>>> _______________________________________________
>>>> Amps mailing list
>>>> Amps@contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 10.0.1424 / Virus Database: 2437/5184 - Release Date: 08/07/12
>>
>
>
>
> ------------------------------
>
> Message: 8
> Date: Tue, 7 Aug 2012 18:44:42 -0700
> From: Jim W7RY <jimw7ry@gmail.com>
> Subject: [Amps] 8877 Blower
> To: Amplifier Reflector <amps@contesting.com>
> Message-ID:
> <CAF7eEW0E=PxGt1=5_QWY91GXc+uyBoenZAQd_jSXY16RiJUq1g@mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Actually Carl, the Ameritron AL-1500 part number (410-3737) crosses to
> a *G2S085-AA19-15.
>
>
> Ameritron stocks the part number you posted but it has no mounting
> flange.
> At least according to this page:
> http://www.onlinecomponents.com/ebm-papst_g2s097-db61-08.html?p=12102652.
>
> 73
> Jim W7RY
>
>
> *
>
>
> ------------------------------
>
> Message: 9
> Date: Wed, 8 Aug 2012 08:28:46 -0700 (PDT)
> From: Radio WC6W <wc6w_amps@yahoo.com>
> Subject: Re: [Amps] Blower recommendations 8877 amp.
> To: Charles Bibb <zedkay@telepak.net>, amps@contesting.com
> Message-ID:
> <1344439726.3412.YahooMailClassic@web121405.mail.ne1.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hi Charles,
>
> http://www.comairrotron.com/content/spinnaker-spd24b1-032183
>
> Note that the reference to AC on the web data sheet is in error. It is a
> DC blower.
>
> 73 & Good morning,
> Marv WC6W
>
> http://qsl.net/wc6w/
>
> --- On Tue, 8/7/12, Charles Bibb <zedkay@telepak.net> wrote:
>
>> From: Charles Bibb <zedkay@telepak.net>
>> Subject: [Amps] Blower recommendations 8877 amp.
>> To: amps@contesting.com
>> Date: Tuesday, August 7, 2012, 12:52 PM
>>
>> I'm looking for specific blower recommendations for a HB
>> 8877 amp.
>> (blower maker and model #).
>>
>> Everyone says use a Papst blower because they are
>> quieter.? I use a
>> Papst fan in my HB 2x3-500 amp.
>>
>> I have several blowers here. The ones that obviously move
>> enough air
>> are WAY too loud! The quiet ones I'm not sure about. They
>> seem to
>> move plenty of air, but don't produce the amount of water
>> level
>> change recommended by Eimac.
>>
>> I built a liquid tube manometer gauge to measure the back
>> pressure.? Only the loudest can deliver the minimum
>> 0.41 inch change
>> in water level that Eimac recommends for the 8877.?
>> Surely, there are
>> compromises that work just fine.
>>
>> What blower are you guys using in your single 8877
>> amps?? Recommendations, anyone?
>>
>> 73,
>> Charles - K5ZK
>>
>> _______________________________________________
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>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
>
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