[Hallicrafters] HT-33A Fan Assembly Needed

[Al Parker]

The HT-33 fan is 6 or more inches in dia., not just a small muffin fan. 
  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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>
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