Return-Path: Received: from rly-dc04.mx.aol.com (rly-dc04.mail.aol.com [172.19.136.33]) by air-dc07.mail.aol.com (v124.15) with ESMTP id MAILINDC074-b154a5cf97b177; Tue, 14 Jul 2009 17:32:56 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dc04.mx.aol.com (v124.15) with ESMTP id MAILRELAYINDC041-b154a5cf97b177; Tue, 14 Jul 2009 17:32:46 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1MQpbX-0004DW-7q for rs_out_1@blacksheep.org; Tue, 14 Jul 2009 22:32:03 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1MQpbW-0004DM-Hd for rsgb_lf_group@blacksheep.org; Tue, 14 Jul 2009 22:32:02 +0100 Received: from smtp145.mail.mud.yahoo.com ([209.191.106.56]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1MQpbM-0005ru-1F for rsgb_lf_group@blacksheep.org; Tue, 14 Jul 2009 22:31:52 +0100 Received: (qmail 6614 invoked from network); 14 Jul 2009 21:31:53 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=VBkNrA+RN9Biaa7LhwOwDoYU6gF80+f9RXO2t4QTbG3bz5YxLkD2oiGLFCJ2MVra7eJAnH28DvWDdvRrV8oc8GMfuDxWnYIS6Pfc4V7rZGBbJPPMivszY6bYXN/OCyqb0W7ULL80WRw6/xwWA03x/EiIJ7KmE7rtObI3Vfzpcw0= ; Received: from unknown (HELO lindavideo) (ken.h.wright@86.140.224.132 with login) by smtp145.mail.mud.yahoo.com with SMTP; 14 Jul 2009 21:31:52 -0000 X-Yahoo-SMTP: APVNTmmswBB1ajQe0.MR1eIpHqOdoGKpEnK7HtPhl2t5AIcci3nTdw-- X-YMail-OSG: yw_BmOYVM1lSyAwTR.60eo_DTMLd2eeIIyn0juirv8yEivPrT17FLHYMgTTmfAsMSKRkm_oNwE8rnTOjUzHi28X0dRbUbxMpVNPaTh2TvzPRSPn3fZIOagYQMHuLtKrtfKtxea92LQgtTKbJ0.g3wSTeVeDeJbPNCZRqEvmXcOr3DnprwSMK7SBqkZGw.Ifvqgph8xDWKiROHnWvgd3tPFZd3hRCtwaVrawbVUn3g1gTC7MIXJKWE8Rr_cnZf1MRzEMEKwPxN0oLRPFUvVIMRQJUKl8XOYKlBVKI9p6ihGmTuTCpiBUw7XEVE.RQ4lvDX5i.6mmxYvqDruEeYAIIzyVx6pMCEQCBOhFX7hCxqtk5UfmEM0QknaiYKS8.tQ-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <49F580A58ECC467CA208D62019C6550D@lindavideo> From: "Ken" To: References: <942004.58848.qm@web28106.mail.ukl.yahoo.com> Date: Tue, 14 Jul 2009 22:31:50 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 DomainKey-Status: good (testing) Subject: Re: LF: Re: (QSX)....... RE: Microwave oven transformers Content-Type: multipart/alternative; boundary="----=_NextPart_000_003C_01CA04D2.E176C120" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=EXCUSE_16,FORGED_MUA_OUTLOOK, HTML_50_60,HTML_FONTCOLOR_BLUE,HTML_FONTCOLOR_UNKNOWN, HTML_FONTCOLOR_UNSAFE,HTML_FONT_BIG,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY 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-IP: 193.82.116.20 ------=_NextPart_000_003C_01CA04D2.E176C120 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Pete. I only have one antenna at pressent, so unable to work Xband, that is= about job no. 100. If you can tx on 500 by almeans mail me and we can= try to work each other. Regards Ken 73deM0KHW =20 ----- Original Message -----=20 From: M0FMT=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, July 14, 2009 9:14 PM Subject: Re: LF: Re: (QSX)....... RE: Microwave oven transformers Hi Ken Off your topic but had to relate that while on holiday last we= ek on the cliff tops at Corton nr Lowestoft (abt 95miles) I copied you= working Chris G3XIZ. I was using a 80m dipole up 6m and an unmodified= Kenwood TS50s you were a very readable signal a couple of S points do= wn on Chris but Solid copy!! FB signal there Ken. Prior to your QSO I= worked Chris QSX (sort of) me on 3.566. I called a few times but I gu= ess you were not set up for QSX? Anyway nice copy there on 500 Ken. 73 petefmt --- On Tue, 14/7/09, Ken wrote: From: Ken Subject: LF: Re: RE: Microwave oven transformers To: rsgb_lf_group@blacksheep.org Date: Tuesday, 14 July, 2009, 8:33 PM Jim. There will probably be a fair bit of technical smoke comimg= out of Luton, but that is what our hobby is all about, any other usef= ull sugestions? Krgards. Ken 73deM0KHW ----- Original Message -----=20 From: James Cowburn=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, July 14, 2009 8:28 PM Subject: LF: RE: Microwave oven transformers Tesla Roulette!! With best regards Jim Dr. James Cowburn 26 Birch Close Broom Biggleswade Beds SG18 9NR T +44 (0) 1767 600522=20 M+44 (0) ... E james.cowburn@virgin.net =E2=80=9CThe information transmitted is intended only for th= e person to whom it is addressed and may contain confidential and/or= privileged material. If you are not the intended recipient, you are= hereby notified that you must not read this message. Any review, retransmission, dissemination or other use of,= or taking of any action in reliance upon, this information by persons= or entities other than the intended recipient is prohibited. Consequ= ently, this email is not intended to be contractually binding. If you received this in error, please contact the sender, re= turn the message as well as its attachments and delete the whole from= any computer.=E2=80=9D ---------------------------------------------------------------------- From: owner- rsgb_lf_group@blacksheep.org [mailto:owner- rsg= b_lf_group@blacksheep.org ] On Behalf Of Ken Sent: 14 July 2009 20:22 To: rsgb_lf_group@blacksheep.org Subject: LF: Microwave oven transformers Hello everyone. Does any one have experience in using microwave oven transfo= rmers in high voltage power units, I acquired two of these at the week= end. I was informed that as they stand the voltage regulation is poor,= to improve this the 'Core Shunts' should be removed, (these are lamin= ations between the two stacks), removal of these 'shunts' also has the= effect of considerably increasing the magnetisation current. The solu= tion to this seems to be to use two transformers, connecting the both= primaries and secondary's in series to restore the 2KV output voltage= . Any comments on this most welcome Note for Mal, this is serious stuff not for appliance operat= ors. Regards Ken Wright 73 de M0KHW =20 ------=_NextPart_000_003C_01CA04D2.E176C120 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Hi Pete.
I only have one antenna at pressent,= so unable to=20 work Xband, that is about job no. 100. If you can tx on 500 by almeans= mail me=20 and we can try to work each other.
Regards
Ken
73deM0KHW
 
----- Original Message -----
From:=20 M0FMT=
Sent: Tuesday, July 14, 2009= 9:14=20 PM
Subject: Re: LF: Re: (QSX)...= .... RE:=20 Microwave oven transformers

Hi Ken
 
Off your topic but had to relate that while on holiday la= st week on=20 the cliff tops at Corton nr Lowestoft (abt 95miles) I copied= you working=20 Chris G3XIZ. I was using a 80m dipole up 6m and an unmodified= Kenwood=20 TS50s you were a very readable signal a couple of S points dow= n on Chris=20 but Solid copy!! FB signal there Ken. Prior to your QSO I work= ed Chris=20 QSX (sort of) me on 3.566. I called a few times but I guess yo= u were not=20 set up for QSX?
 
Anyway nice copy there on 500 Ken.
 
73 petefmt

--- On Tue, 14/7/09, Ken=20 <ken.h.wright@btinternet.com> wrote:

From:=20 Ken <ken.h.wright@btinternet.com>
Subject: LF: Re:= RE:=20 Microwave oven transformers
To:=20 rsgb_lf_group@blacksheep.org
Date: Tuesday, 14 July, 2009= , 8:33=20 PM

Jim.
There will probably be a fa= ir bit of=20 technical smoke comimg out of Luton, but that is what our ho= bby is all=20 about, any other usefull sugestions?
 
Krgards.
Ken
73deM0KHW
----- Original Message ---= --
Fr= om: James Cowburn
Sent: Tuesday, July= 14, 2009=20 8:28 PM
Subject: LF: RE: Mi= crowave oven=20 transformers

Tesla=20 Roulette!!

 

With best=20 regards

 

 

Jim<= /FONT>

 

 

Dr. James=20 Cowburn

26 Birch=20 Close

Broom

Biggleswade

Beds

SG18=20 9NR

 

T  +4= 4 (0) 1767 600522 

M+44=20 =  (0)=20 ...<= /FONT>

E james.cowbur= n@virgin.net

 

=E2= =80=9CThe information transmitted is intended only for the=20 person to whom it is addressed and may contain confidential= and/or=20 privileged material. If you are not the intended recipient,= you are=20 hereby notified that you must not read this message.
Any= review,=20 retransmission, dissemination or other use of, or taking of= any action=20 in reliance upon, this information by persons or entities ot= her than=20 the intended recipient is prohibited.  Consequently, th= is email=20 is not intended to be contractually binding.
If you recei= ved this=20 in error, please contact the sender, return the message as= well as its=20 attachments and delete the whole from any=20 computer.=E2=80=9D

 

From:=20 owner- rsgb_lf_group@blacksheep.org [mailto:owner-=20 rsgb_lf_group@blacksheep.org ] On=20 Behalf Of Ken
Sent: 14 July 2009=20 20:22
To:= =20 rsgb_lf_group@blacksheep.org
Subject: LF: Microwave oven=20 transformers

 

Hello=20 everyone.

Does any one ha= ve=20 experience in using microwave oven transformers in high volt= age power=20 units, I acquired two of these at the weekend. I was informe= d that as=20 they stand the voltage regulation is poor, to improve this= the 'Core=20 Shunts' should be removed, (these are laminations between th= e two=20 stacks), removal of these 'shunts' also has the effect of co= nsiderably=20 increasing the magnetisation current. The solution to this= seems to be=20 to use two transformers, connecting the both primaries and= secondary's=20 in series to restore the 2KV output voltage.

 

<= /DIV>

Any comments on= this most=20 welcome

 

<= /DIV>

Note for Mal,= this is=20 serious stuff not for appliance operators.

=

 

<= /DIV>

Regards<= /FONT>

Ken=20 Wright

 

<= /DIV>

73 de=20 M0KHW


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