Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4D0F13800009D for ; Tue, 26 Feb 2013 17:25:06 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UASRF-0008HB-EZ for rs_out_1@blacksheep.org; Tue, 26 Feb 2013 21:51:53 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UASRE-0008H2-D0 for rsgb_lf_group@blacksheep.org; Tue, 26 Feb 2013 21:51:52 +0000 Received: from nm3-vm0.bt.bullet.mail.ird.yahoo.com ([212.82.108.88]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1UASR9-0003Tj-Sd for rsgb_lf_group@blacksheep.org; Tue, 26 Feb 2013 21:51:51 +0000 Received: from [212.82.108.229] by nm3.bt.bullet.mail.ird.yahoo.com with NNFMP; 26 Feb 2013 21:51:27 -0000 Received: from [217.146.189.76] by tm2.bt.bullet.mail.ird.yahoo.com with NNFMP; 26 Feb 2013 21:51:26 -0000 Received: from [127.0.0.1] by smtp826.mail.ird.yahoo.com with NNFMP; 26 Feb 2013 21:51:26 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1361915486; bh=EiA2Hz27qYftzTlMzPdRwINlR5EhQblaK5Jz0Ec/h24=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:From:To:References:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Mailer:In-Reply-To:X-MIMEOLE:Thread-Index; b=FSkGWtFeyBC029LHxkfs3bI1ttOEstXImFQ+rBy/reoIyOE9WVYqUsJ9o3ObfkHg5eDqnwm5biVcE2xb6zh7eWQmprUKNmjELMyyTaPUW8U6o+Tn8sjRwlcuOXhOFBrW/OuuQhOYyZvEVU/T6HZFOfdrrsvFj1MQALHJiulj2g0= X-Yahoo-Newman-Id: 232106.18904.bm@smtp826.mail.ird.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: sA5uSfEVM1nDt8B.nmugWR6pAkA8QB8zSMUUQjEji0afPQH 9iFEaCYaQebNMcrZ7kEUrDixUH2OV9mIopEJ2nYd_Fc2tWKSUfalzy0PPV8F i8GTzVe.aAEgS99uTGQfOrqkGK5vjTiTRCLVhWa.sDyP6Jgs5pzT414aKMOX 8wiDlk0SdQ.5WtoN.I_vcvWhFOETGGEqYdf7gySYPRe46D8ZAgKf09MaSlUf yqGI29i7Oki_1RIOaW7queO7j8mjUQ4j8IdmK6RxtCv8Gf7GVI2itfNrjLhX Zbl4GGL1FB9rj0FRAP0tThJNwVPaKxauFm1lnW1a4oCanYESwwHdicXrW5FR lYy_m7uuKLeXonLTnBZPvISntV0sae9IC7tQ3FEMQgWCpMd3GWq1urUPUhyf .n7WHvOI60lWidb2AaX6wlPvroVOG2IwAMcfJf0J._bactqZ6iohSPO5zzCk 6l_.r2FkIWS8MEndaW8vevB4BWqscbw.5lVQnFdaJz1zTVErwZGeSxiyzQVE 7U5xDJ.8uw5nTOoNtKbSLNEhu6yUJHOb9TEgKDPArf.Xh1ZxB73wj6gXA3yJ GxZrwbf21KYru0fKtbjD8gVSL0MKIQ9MZUoZr92BAaOPgmfaS2sCjDA-- X-Yahoo-SMTP: 9Y6mUHuswBAgnrOsukIiNdFDf95uy_Dz34nY1hlg2liKgYD952sjbg-- Received: from lindavideo (ken.h.wright@86.151.96.9 with login) by smtp826.mail.ird.yahoo.com with SMTP; 26 Feb 2013 13:51:26 -0800 PST From: "Ken" To: References: <1361870341.80416.YahooMailNeo@web133201.mail.ir2.yahoo.com> <1361874172.76931.YahooMailNeo@web133201.mail.ir2.yahoo.com> Date: Tue, 26 Feb 2013 21:51:24 -0000 Message-ID: MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <1361874172.76931.YahooMailNeo@web133201.mail.ir2.yahoo.com> X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Thread-Index: Ac4UC31RQDrXIpyjT1msWidspL4X6gAXgiHw X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Pete thanks for the additional info, I had expected to hear from Mal, being an avid cw person, this Sunday is the Cambridge Group's Rally at Godmanchester, so I will be going there. Should not take too long to wind the TX down to 475kHz, the driver is just adjusting a coil the PA may need additional capacitance, and hopefully it will still give me 23W into 50 ohms. Then it is back to work on the valve PA, with about 1500 volts on the anode hope to run about 400W, with about 200W into the antenna, but with a low radiation resistance it will be well within the 5W EIRP ( whose Idea was it to use that term). Hope to meet you on the Sunday net, hope the speed is not too fast I have to write cannot do cw in my head. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.82.108.88 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-Scan-Signature: 6bf818b71de58ddae92ebfb02b0cfde1 Subject: RE: LF: BK_100 Hi Mound Key Content-Type: multipart/alternative; boundary="----=_NextPart_000_002A_01CE146B.6BF2E620" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_60_70, HTML_FONTCOLOR_UNKNOWN,HTML_FONT_BIG,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mtain-ma04.r1000.mx.aol.com ; domain : btinternet.com DKIM : pass x-aol-sid: 3039ac1d600c512d36412c06 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_002A_01CE146B.6BF2E620 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hi Pete thanks for the additional info, I had expected to hear from Mal, being an avid cw person, this Sunday is the Cambridge Group's Rally at Godmanchester, so I will be going there. Should not take too long to wind the TX down to 475kHz, the driver is just adjusting a coil the PA may need additional capacitance, and hopefully it will still give me 23W into 50 ohms. Then it is back to work on the valve PA, with about 1500 volts on the anode hope to run about 400W, with about 200W into the antenna, but with a low radiation resistance it will be well within the 5W EIRP ( whose Idea was it to use that term). Hope to meet you on the Sunday net, hope the speed is not too fast I have to write cannot do cw in my head. 73 Ken M0KHW _____ From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of M0FMT Sent: 26 February 2013 10:23 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: BK_100 Hi Mound Key Hi Again Ken I have yet to get my "QRO" 473 rig working but I do still have the 4Watt QRP Tube / Valve retro rig working on the band just a matter of adjusting the PA tuning cap ... hee. I want to get my HB Mechanical bug built to go with. I have a Hi Mound side swipe ele key (non Iambic can't remember the number) mounted on a marble plinth. I am not over keen on the key my self. Use mainly the good old solid Kent Iambic, mark you it doesn't improve my sending....... Hee. Take a close look at the You Tube film you may find a lot of info there. There is another film but not as clear on the mechanism.There are other films showing skeleton mechanical keys easier to see and understand, however the principles are the same. There is even one that does both dits and dashes fully auto but I bet a nightmare to use since it can't be self completing so dits could interfere with dashes. Any way good luck hope the replies to date have helped. Have you tried "Fists" yahoo group? These things and very specialised these days not as easy to use as the ele keyers. FYI Ken there is a net on 474 Sunday mornings from about 09:30 out of Biggleswade goes on for quite a while call ins from Nottingham, Kent etc so please check it out. 73 es GL Pete M0FMT IO91UX From: Ken To: rsgb_lf_group@blacksheep.org Sent: Tuesday, 26 February 2013, 9:50 Subject: RE: LF: BK_100 Hi Mound Key Hi Pete. Thanks for the info, I was really looking for a single paddle key not a bug but this one came up at a reasonable price. Should soon be back on LF the new input band pass filter for the RX pre-amp was completed on Sunday, only problem is that the filter drifts with temperature,(I never checked this with the 500kHz BP filter), I can correct for this as there is peaking variable capacitor in the pre-amp which I use to tune for max signal. All I need to do now is retune the TX driver and PA, and possibly add a few more turns on the variometer and we should be there. 73 Ken M0KHW From: owner- rsgb_lf_group@blacksheep.org [mailto: owner- rsgb_lf_group@blacksheep.org ] On Behalf Of M0FMT Sent: 26 February 2013 09:19 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: BK_100 Hi Mound Key Hi Ken Well done getting hold of the mechanical bug. I am not a user or have had much experience. However http://www.youtube.com/watch?v=a7mRsdv8Y9c You tube presentation may help. What I have been doing over some considerable time is building my own. It's not yet finished the vibrating part has been mocked up and it will send dits. There is in fact a lot of clever features you have to think about when designing these things like after a series if dits you then send a dash the "Reed" has to be damped to stop it continuing to send a dit. Not only that in transit the Reed needs a bit of protection so a feature to lock the Reed is desirable other wise it is continually trying to vibrate as it gets moved or knocked. This can be achieved by adjusting the damper hard over. Is it the case with your Key that it has been set for transit.... I don't know this particular Key but in the You Tube video you can see it operating at the end of the Reed / weight bar. Look forward to hearing it on 630m. 73 es GL Pete M0FMT IO91UX From: Ken To: rsgb_lf_group@blacksheep.org Sent: Monday, 25 February 2013, 23:58 Subject: LF: BK_100 Hi Mound Key All. I have recently acquired a BK-100 Hi-Mound Bug type Key, although old, it looks as if it has never been used, the contacts are black, and does appear to have been set up, and not had any cable connected to it, (I have some basic set up info from the internet). On inspection it would look as if the dashes are to the left and dots to the right, is this correct?, there is hardly any travel on the lever, and vibration on the pendulum. All of the adjustors seem to be locked. I wpuld be grateful for any help and advice on the operation and setup of this key. 73. Ken M0KHW ------=_NextPart_000_002A_01CE146B.6BF2E620 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Hi Pete thanks for the additional = info, I had expected to hear from Mal, being an avid cw person, this Sunday is = the Cambridge Group’s Rally at Godmanchester, so I will be going = there. Should not take too long to wind the TX down to 475kHz, the driver is = just adjusting a coil the PA may need additional capacitance, and hopefully = it will still give me 23W into 50 ohms. Then it is back to work on the valve PA, = with about 1500 volts on the anode hope to run about 400W, with about 200W = into the antenna, but with a low radiation resistance it will be well within the = 5W EIRP ( whose Idea was it to use that term). Hope to meet you on the Sunday = net, hope the speed is not too fast I have to write cannot  do cw in my = head.

 

73

 

Ken

 

M0KHW =  

 

From: = owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of M0FMT
Sent: 26 February 2013 = 10:23
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: BK_100 = Hi Mound Key

 

Hi Again Ken

 

I have yet to get my "QRO" 473 rig working but I do still have the = 4Watt QRP Tube / Valve retro rig working on the band just a matter of = adjusting the PA tuning cap ... hee. I want to get my HB Mechanical bug built to = go with.

 

I have a Hi Mound side swipe ele key (non Iambic can't remember the number) mounted on a marble plinth. I am not over keen on the key my = self. Use mainly the good old solid Kent Iambic, mark you it doesn't improve = my sending....... Hee.

 

Take a close look at the You Tube film you may find a lot of info there. There = is another film but not as clear on the mechanism.There are other films = showing skeleton mechanical keys easier to see and = understand, however the principles are the same. There is even one that does both = dits and dashes fully auto but I bet a nightmare to use since it can't be self completing so dits could interfere with = dashes.

 

Any way good luck hope the replies to date have helped. Have you tried "Fists" yahoo group? These things and very specialised these days not as easy to use as the ele = keyers. 

 

FYI Ken there is a net on 474 Sunday mornings from about 09:30 out of = Biggleswade goes on for quite a while call ins from Nottingham, Kent etc so please check = it out.

 

73 es GL Pete M0FMT IO91UX

From: Ken <ken.h.wright@btinternet.com>
To: rsgb_lf_group@blacksheep.org
Sent: Tuesday, 26 = February 2013, 9:50
Subject: RE: LF: BK_100 = Hi Mound Key

 

Hi = Pete.

Thanks for the = info, I was really looking for a single paddle key not a bug but this one came = up at a reasonable price. Should soon be back on LF the new input band pass = filter for the RX pre-amp was completed on Sunday, only problem is that the filter = drifts with temperature,(I never checked this with the 500kHz BP filter), I can correct for this as there is peaking variable capacitor in the pre-amp = which I use to tune for max signal. All I need to do now is retune the TX driver = and PA, and possibly add a few more turns on the variometer and we should be = there.

 

73<= font color=3Dblack>

 

Ken=

 

M0KHW =

 

From: owner- = rsgb_lf_group@blacksheep.org [mailto: = owner- rsgb_lf_group@blacksheep.org ] On Behalf Of M0FMT
Sent: 26 February 2013 = 09:19
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: BK_100 = Hi Mound Key

 

Hi = Ken

 

Well done getting hold of the mechanical bug. I am not a user or have had = much experience. However http://www.youtube.com/watch?v=3Da7mRsdv8Y9c Y= ou tube presentation may help.

What I have been doing over some considerable time is building my own. It's not yet finished the vibrating part has been mocked up and it will send dits. = There is in fact a lot of clever features you have to think about when designing = these things like after a series if dits you then send a dash the = "Reed" has to be damped to stop it continuing to send a dit. Not only that in = transit the Reed needs a bit of protection so a feature to lock the Reed is = desirable other wise it is continually trying to vibrate as it gets moved or = knocked. This can be achieved by adjusting the damper hard over. Is it the case = with your Key that it has been set for transit.... I don't know this = particular Key but in the You Tube video you can see it operating at the end of the = Reed / weight bar.

Look forward to hearing it on 630m.

73 es GL Pete M0FMT IO91UX

From: Ken <ken.h.wright@btinternet.com>
To: rsgb_lf_group@blacksheep.org
Sent: Monday, 25 February = 2013, 23:58
Subject: LF: BK_100 Hi = Mound Key

 

All.

I have recently acquired a BK-100 Hi-Mound Bug type Key, = although old, it looks as if it has never been used, the contacts are black, and = does appear to have been set up, and not had any cable connected to it, (I = have some basic set up info from the internet). On inspection it would look as if = the dashes are to the left and dots to the right, is this correct?, there is = hardly any travel on the lever, and vibration on the pendulum. All of the = adjustors seem to be locked. I wpuld be grateful for any help and advice on the = operation and setup of this key.

 

73.

 

Ken

 

M0KHW  

 

 

 

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