<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><P>Heathkit is still in business selling electronic training stuff. I grew up in SW michigan where they are headquartered, so between my Dad, brother and I we built most of their stereo, electronic and TV stuff.</P>
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<P>----- Original Message -----<BR>From: ronlock@comcast.net<BR>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><BR>Sent: Monday, June 22, 2009 3:51:52 PM GMT -05:00 US/Canada Eastern<BR>Subject: Re: [NSRCA-discussion] Heathkits<BR><BR></P>
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<P>I'm still using a Heath ESV, one of the few that does single nicads.</P>
<P>Though, I have not found much use for the timing light for a while - <VBG></P>
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<P>Ron Lockhart<BR><BR><BR>----- Original Message -----<BR>From: "Mark Atwood" <atwoodm@paragon-inc.com><BR>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><BR>Sent: Monday, June 22, 2009 3:37:44 PM GMT -05:00 US/Canada Eastern<BR>Subject: Re: [NSRCA-discussion] Servo Signals<BR><BR>Agree on missing the stores and the kits. That was my introduction to Elec. Engineering and programming which has ended up putting a lot of food on my table over the past 20 years.<BR><BR>-----Original Message-----<BR>From: nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org] On Behalf Of Pete Cosky<BR>Sent: Monday, June 22, 2009 1:35 PM<BR>To: General pattern discussion<BR>Subject: Re: [NSRCA-discussion] Servo Signals<BR><BR>I used to live at the Heathkit store in Pittsburgh when I was a kid. Never <BR>used their RC stuff but I did build one of their robots. I miss their kits.<BR>----- Original Message ----- <BR>From: "mike mueller" <mups1953@yahoo.com><BR>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><BR>Sent: Monday, June 22, 2009 1:31 PM<BR>Subject: Re: [NSRCA-discussion] Servo Signals<BR><BR><BR>><BR>> Mark there's a guy Mike --- sorry I forgot his last name that comes to the <BR>> contests that was an engineer for heathkit. He'll be at the Jim Hubbard <BR>> this weekend. I'll tell him you had a Heathkit he will get a kick out of <BR>> that. Mike<BR>><BR>> --- On Mon, 6/22/09, Atwood, Mark <atwoodm@paragon-inc.com> wrote:<BR>><BR>>> From: Atwood, Mark <atwoodm@paragon-inc.com><BR>>> Subject: Re: [NSRCA-discussion] Servo Signals<BR>>> To: "'nsrca-discussion@lists.nsrca.org'" <BR>>> <nsrca-discussion@lists.nsrca.org><BR>>> Date: Monday, June 22, 2009, 12:13 PM<BR>>> The old heathkit servos (mine anyway)<BR>>> were kit versions of the Kraft K-15 servos.<BR>>><BR>>> In fact the whole radio I believe was a Kraft design.<BR>>> -Mark<BR>>> --------------------------<BR>>> Sent from my BlackBerry Wireless Handheld<BR>>><BR>>><BR>>> ----- Original Message -----<BR>>> From: nsrca-discussion-bounces@lists.nsrca.org<BR>>> <nsrca-discussion-bounces@lists.nsrca.org><BR>>> To: General pattern discussion <nsrca-discussion@lists.nsrca.org><BR>>> Sent: Mon Jun 22 13:06:18 2009<BR>>> Subject: Re: [NSRCA-discussion] Servo Signals<BR>>><BR>>><BR>>> Yes, as long as they are clean. That is the problem, it<BR>>> depends on contact between two components and the friction<BR>>> wears them out.<BR>>><BR>>> I remember years ago that the large heathkit (and possibly<BR>>> some Kraft) servos used variable capacitors for feedback.<BR>>> not much to wear.<BR>>><BR>>> Ok, Jay, how long ago were the "days" you were talking<BR>>> about? :-)<BR>>><BR>>> Bob R.<BR>>><BR>>><BR>>> --- On Sun, 6/21/09, Jay Marshall <lightfoot@sc.rr.com><BR>>> wrote:<BR>>><BR>>><BR>>><BR>>> I remember from my days in control systems theory that the<BR>>> analog computers were faster and more accurate than the IBM<BR>>> big iron computers. Analog pots are still cheaper, lighter,<BR>>> and higher resolution than digital encoders – as long as<BR>>> they are clean…<BR>>><BR>>><BR>>><BR>>><BR>>><BR>>><BR>>> No virus found in this incoming message.<BR>>> Checked by AVG - www.avg.com<BR>>> Version: 8.5.339 / Virus Database: 270.12.81/2188 - Release<BR>>> Date: 06/19/09 17:56:00<BR>>><BR>>><BR>>> _______________________________________________<BR>>> NSRCA-discussion mailing list<BR>>> NSRCA-discussion@lists.nsrca.org<BR>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR>><BR>><BR>><BR>> _______________________________________________<BR>> NSRCA-discussion mailing list<BR>> NSRCA-discussion@lists.nsrca.org<BR>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <BR><BR><BR>_______________________________________________<BR>NSRCA-discussion mailing list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR>No virus found in this incoming message.<BR>Checked by AVG - www.avg.com <BR>Version: 8.5.339 / Virus Database: 270.12.81/2188 - Release Date: 06/19/09 17:56:00<BR>_______________________________________________<BR>NSRCA-discussion mailing list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</P></DIV><BR>_______________________________________________ NSRCA-discussion mailing list NSRCA-discussion@lists.nsrca.org http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</div></body></html>