[NSRCA-discussion] Servo Signals

[Ron Van Putte]

Yeah and I used to do mail order with a little company out on Long  
Island.  I think it was called Radio Shack.

Ron

On Jun 23, 2009, at 7:27 AM, Bob Kane wrote:

>
> Loved the catalog.  That one and Lafayette.
>
>  Bob Kane
> getterflash at yahoo.com
>
>
>
> ----- Original Message ----
> From: "Atwood, Mark" <atwoodm at paragon-inc.com>
> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> Sent: Monday, June 22, 2009 3:36:15 PM
> Subject: Re: [NSRCA-discussion] Servo Signals
>
> Awesome!  I was a Heathkit addict in my youth.  Use to spend hours  
> upon hours in the store until I finally worked there for a while.
>
> Built everything from my stereo, Tv, and a variety of other  
> stuff...and then I saw the RC transmitter, and it was the last  
> Heathkit I built.  I apparently got addicted to another hobby :)
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca- 
> discussion-bounces at lists.nsrca.org] On Behalf Of mike mueller
> Sent: Monday, June 22, 2009 1:32 PM
> To: General pattern discussion
> Subject: Re: [NSRCA-discussion] Servo Signals
>
>
> Mark there's a guy Mike --- sorry I forgot his last name that comes  
> to the contests that was an engineer for heathkit. He'll be at the  
> Jim Hubbard this weekend. I'll tell him you had a Heathkit he will  
> get a kick out of that. Mike
>
> --- On Mon, 6/22/09, Atwood, Mark <atwoodm at paragon-inc.com> wrote:
>
>> From: Atwood, Mark <atwoodm at paragon-inc.com>
>> Subject: Re: [NSRCA-discussion] Servo Signals
>> To: "'nsrca-discussion at lists.nsrca.org'" <nsrca- 
>> discussion at lists.nsrca.org>
>> Date: Monday, June 22, 2009, 12:13 PM
>> The old heathkit servos (mine anyway)
>> were kit versions of the Kraft K-15 servos.
>>
>> In fact the whole radio I believe was a Kraft design.
>> -Mark
>> --------------------------
>> Sent from my BlackBerry Wireless Handheld
>>
>>
>> ----- Original Message -----
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> <nsrca-discussion-bounces at lists.nsrca.org>
>> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>> Sent: Mon Jun 22 13:06:18 2009
>> Subject: Re: [NSRCA-discussion] Servo Signals
>>
>>
>> Yes, as long as they are clean. That is the problem, it
>> depends on contact between two components and the friction
>> wears them out.
>>
>> I remember years ago that the large heathkit (and possibly
>> some Kraft) servos used variable capacitors for feedback.
>> not much to wear.
>>
>> Ok, Jay, how long ago were the "days" you were talking
>> about? :-)
>>
>> Bob R.
>>
>>
>> --- On Sun, 6/21/09, Jay Marshall <lightfoot at sc.rr.com>
>> wrote:
>>
>>
>>
>> I remember from my days in control systems theory that the
>> analog computers were faster and more accurate than the IBM
>> big iron computers. Analog pots are still cheaper, lighter,
>> and higher resolution than digital encoders – as long as
>> they are clean…
>>
>>
>>
>>
>>
>>
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>>
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>
>
>
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