[Heathkit] replacement caps for Heathkit

[Carl]

----- Original Message ----- 
From: "Richard Knoppow" <1oldlens1 at ix.netcom.com>
To: "Carl" <km1h at jeremy.mv.com>; "rbethman" <rbethman at comcast.net>; 
<heathkit at mailman.qth.net>
Sent: Thursday, January 05, 2012 9:12 PM
Subject: Re: [Heathkit] replacement caps for Heathkit


>
> ----- Original Message ----- 
> From: "Carl" <km1h at jeremy.mv.com>
> To: "Richard Knoppow" <1oldlens1 at ix.netcom.com>; "rbethman"
> <rbethman at comcast.net>; <heathkit at mailman.qth.net>
> Sent: Thursday, January 05, 2012 5:19 PM
> Subject: Re: [Heathkit] replacement caps for Heathkit
>
>
>> ----- Original Message ----- 
>> From: "Richard Knoppow" <1oldlens1 at ix.netcom.com>
>> To: "rbethman" <rbethman at comcast.net>;
>> <heathkit at mailman.qth.net>
>> Sent: Thursday, January 05, 2012 5:24 PM
>> Subject: Re: [Heathkit] replacement caps for Heathkit
>>
>>
>>>
>>> ----- Original Message ----- 
>>> From: "rbethman" <rbethman at comcast.net>
>>> To: <heathkit at mailman.qth.net>
>>> Sent: Thursday, January 05, 2012 1:59 PM
>>> Subject: Re: [Heathkit] replacement caps for Heathkit
>>>
>>>
>>>> Dick,
>>>>
>>>> Try:<http://www.hayseedhamfest.com/capacitors/Heathkit_1.html>
>>>>
>>>> Tom, N0JMY has the SB-610 cap kit for $55.75, plus
>>>> shipping. (This
>>>> includes the twistlock cap also.)
>>>>
>>>> He and his family do the kits.  And they are one of our
>>>> OWN,
>>>>
>>>> Bob - N0DGN
>>>
>>>     I can vouch for Tom's stuff having used it in Drake
>>> and
>>> Hallicrafters stuff.
>>>
>>>     BTW, Sangamo made capacitors under the Black Beauty
>>> name for many years after the disasterous ones were made.
>>> The trouble causers were oil-filled. One of the problems
>>> (but probably not the exclusive one) was that the tube at
>>> one end through which the oil was added was also one of
>>> the
>>> leads. If the lead was overheated the seal was broken and
>>> the oil would leak out. Later BB caps were dry. The two
>>> can
>>> be told apart by the look of the leads. The oil filled
>>> ones
>>> have one thick stub at one end, the dry ones have thin
>>> leads
>>> on both ends. The late BB and Orange Drop caps, which
>>> have a
>>> very good reputation, were both described in the same
>>> way: a
>>> combination of paper and polyester dielectric. I think
>>> the
>>> only difference between the late ones was that BB's were
>>> axial lead and OD's were radial lead.
>>>     Nonetheless, all of these are old enough to be
>>> suspect
>>> even if not the mid-1950's trouble makers.
>>
>> Black Beauty was a Sprague trademark. At the same time the
>> paper versions were made they produced a high quality film
>> version that was used by HP and others, all Ive tested are
>> still fine. They have red lettering.
>> Production years of both can be found in the yearly Radio
>> Masters.
>> The Bumblebee style were also Sprague and a lower cost
>> version of the BB for catalogs and cheaper OEM's
>>
>> Carl
>> KM1H
>>
>>
>     Carl, my error, Sprague is correct. The funny thing is
> that I was just looking at a Sprague ad in an old ARRL
> handbook before I wrote that.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com


We are both the same age and have to keep each other in step!

Carl