[Hallicrafters] HT-33A Fan Assembly Needed

[Roger (K8RI)]

Al Parker wrote:
> The HT-33 fan is 6 or more inches in dia., not just a small muffin fan. 
>   
Ahhh...those small muffin fans come in a wide variety of sizes up to at 
least 6".  I have a pair of 110VAC 6inchers I use under a computer 
desk...other than they are noisy.  The stock open frame fan is far quieter.

73

Roger (K8RI)
>   It provides cooling air under some pressure to the tube, which is in a 
> shroud.
> 73,
> Al, W8UT
>
> On 4/16/2010 2:51 PM, Paul Kraemer wrote:
>   
>> Gary
>> Kudos on the very nice find!
>> WW Grainger has a nice selection of these shaded pole fan motors and high
>> efficiency blades commonly used in small exhaust fans and range hoods. The
>> old mounting centers were typically 2" which is now 1 7/8", other than that
>> they are very close fit. I found one for an SB-200 linear. Motor plus blade
>> were about $17. At the time I noticed that the same one also fit a Heathkit
>> Warrior and CE 100V
>> The 3.5" computer fans run off a couple diodes on the filament transformer
>> do a nice job too but many of them don't like being that close to rf.
>> Paul K0UYA
>>
>>
>> ----- Original Message -----
>> From: "garyislander"<gary at garyislander.com>
>> To:<Hallicrafters at mailman.qth.net>
>> Sent: Friday, April 16, 2010 10:37 AM
>> Subject: Re: [Hallicrafters] HT-33A Fan Assembly Needed
>>
>>
>>     
>>> It is a bladed fan according to pictures I have seen of a HT-33A..
>>>
>>> I also found a SX-101A and a HT-32A in this same land fill.  Both units
>>> were in rough shape, but after much work I got both to operate properly.
>>> Both units were mice hotels, but they cleaned up pretty well.  Had to hand
>>> make several adjustable coils in the HT32A, but thats the fun of restoring
>>> these boatanchors.  Some rewiring, replaced some tubes and re-aligned as
>>> close to spec. as possible.
>>>
>>> Have made about 300 contacts with this setup with very good reports using
>>> a D-104.  Forgot what it is like to work a contest with a seperate
>>> receiver and transmitter.   Maybe the amp can be saved and put into
>>> operation.....this one could be a long shot!
>>>
>>> Gary K1MQ
>>>
>>>
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