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Subject:
Re: cooling fan question for TS480
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Mon, 12 May 2008 19:59:29 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (132 lines) 
Ed,

Some of the noise is the result of the high speed, but I've heard fans that 
turn faster and are still quieter than the one in the 480.

Steve

----- Original Message ----- 
From: "Ed Malmgren" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, May 12, 2008 18:28
Subject: Re: cooling fan question for TS480


>I don't think the bearings are the problem with, it's the high R P M the 
>fan
> has to travel to move enough air.
> Ed K7UC
> ----- Original Message ----- 
> From: "T Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, May 12, 2008 3:45 PM
> Subject: Re: cooling fan question for TS480
>
>
>>    Steve:
>>
>> Wonder what those barings are made out of anyway?  (grin)
>>
>> 73 from Tom Behler:  KB8TYJ
>>
>> ----- Original Message ----- 
>> From: "Steve Dresser" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, May 12, 2008 5:06 PM
>> Subject: Re: cooling fan question for TS480
>>
>>
>>> Tom,
>>>
>>> It's a Kenwood thing, all right.  It's called cheap barings.
>>>
>>> Steve
>>>
>>> ----- Original Message ----- 
>>> From: "T Behler" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Monday, May 12, 2008 08:04
>>> Subject: Re: cooling fan question for TS480
>>>
>>>
>>>>    That's what I thought too, Ed.
>>>>
>>>> I guess my strategy is to try moving the radio a bit further away from
>>>> me
>>>> than it is now, or just put up with it.  As I said before, the one in
>>>> the
>>>> RV
>>>> is quieter, but maybe because it's hidden behind one of the seats in 
>>>> the
>>>> eating area, so therefore is not as apparent.
>>>>
>>>> I was noticing last night that even the cooling fan on my TMV71A is a
>>>> bit
>>>> loud.
>>>>
>>>> Guess it's just a Kenwood thing.
>>>>
>>>> And, I guess if that's the worse problem I have, I should be thankful.
>>>>
>>>> 73 from Tom Behler:  KB8TYJ
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Ed Malmgren" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Sunday, May 11, 2008 11:31 PM
>>>> Subject: Re: cooling fan question for TS480
>>>>
>>>>
>>>>> Dropping the power on the 480 won't make it quieter, it just may not
>>>>> come
>>>>> on
>>>>> but the noise will be the same.
>>>>> Ed K7UC
>>>>> ----- Original Message ----- 
>>>>> From: "T Behler" <[log in to unmask]>
>>>>> To: <[log in to unmask]>
>>>>> Sent: Sunday, May 11, 2008 8:36 PM
>>>>> Subject: Re: cooling fan question for TS480
>>>>>
>>>>>
>>>>>>    Howard:
>>>>>>
>>>>>> I'll see what happens to the cooling fan noise on lower power.
>>>>>>
>>>>>> That's an interesting thing to try.
>>>>>>
>>>>>> I'll also do some more comparisons with the TS480 out in the RV,
>>>>>> although
>>>>>> I
>>>>>> really do think that one is quieter.
>>>>>>
>>>>>> 73 from Tom Behler:  KB8TYJ
>>>>>>
>>>>>> ----- Original Message ----- 
>>>>>> From: "Howard Kaufman" <[log in to unmask]>
>>>>>> To: <[log in to unmask]>
>>>>>> Sent: Sunday, May 11, 2008 9:41 PM
>>>>>> Subject: Re: cooling fan question for TS480
>>>>>>
>>>>>>
>>>>>>> No idea, since I only have one ts480.  You could run 50 watts I
>>>>>>> guess.
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
>
>

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