[Heathkit] HW 101

[Cal Shermerhorn]

My two bits worth on drive belts: Try your local transmission repair shop, 
they have a vast assortment of "O" rings just for your purpose.

73 de Cal VE4XQ
----- Original Message ----- 
From: "Edward B Richards" <zuu6k at juno.com>
To: <ed.brooks at att.net>
Cc: <heathkit at mailman.qth.net>
Sent: Sunday, October 15, 2006 7:58 PM
Subject: Re: [Heathkit] HW 101


> The drive belts are O-rings available at auto parts stores. Yes, dial
> cord is better but a pain to install and calibrate.
>
> I concur, it looks like a bad crystal. I have a HW-101 here waiting for
> me to get around to reconditioning it.
> I could pull the rock out of it and send it to you as a test before you
> buy a new one. However, the shipping would  probably  be as much as a new
> crystal.
>
> 73, Ed Richards K6UUZ
> Simi Valley, Ca 93065
> Home of the Air Force 1 pavilion
>
>
>
> On Sun, 15 Oct 2006 18:10:46 -0600 Ed Brooks <ed.brooks at att.net> writes:
>> I'm working on bringing an HW101 back to life.  Looking for a source
>> for
>> the
>> Preselector drive belts.  (Considered stringing  them with dial
>> string
>> kits.)
>>
>> Also would like a "Second opinion."  Radio doesn't receive on 20
>> meters.
>> First suspected the driver plate and grid tuning coils, but since
>> all
>> other bands work, and turning the 20 meter coils affects 40 meters,
>>
>> (which receives very well) decided that is not the problem.  Next
>> suspected Heterodyne oscillator switch, but switch
>> works.  Next in line is 22.895 crystal.
>>
>> Using a loop of wire, I hear all the crystals oscillating very well
>> on
>> my Icom 706 as a "tracer."  Except for the 20 meter crystal.  It is
>> very
>> weak and is three kc low, at 22.892.  The grid voltage on the
>> oscillator, though, reaches a normal level, and is adjusting per the
>>
>> manual, using the oscillator coil.  Indicates the oscillator IS
>> working,
>> but probably a long ways from frequency.  These being third overtone
>>
>> crystals, I suspect it is oscillating at a fundamental.
>>
>> Have decided the crystal is defective.  Looking for second
>> opinion???
>>
>> Ed, W5HTW
>>
>>
>>
>>
>>
>>
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