Ah! Yes. Like Zirk fittings on all the things that ought to have them!
Honestly, this is the first time I’ve been unable to get oil into a muffin fan
by simply lifting the labels.
Kim N5OP
"People that make music together cannot be enemies, at least as long as the
music lasts." -- Paul Hindemith
> On Jul 14, 2019, at 9:34 PM, Bernie Skoch via TenTec <tentec@contesting.com>
> wrote:
>
> Oh I wasn’t criticizing you at all. I would have (and have done) the very
> same thing. It’s just a shame a thing like a muffin fan doesn’t have a built
> in lubrication nipple.
>
>> On Jul 14, 2019, at 20:39, Kim Elmore <cw_de_n5op@sbcglobal.net> wrote:
>>
>> Perhaps it’s a commentary on our society. But in this case it may be that
>> our time is worth more than our gadgets. I guess there was a time when our
>> devices were more precious than the time it took us to fix them. Nowadays,
>> it’s our time that’s most precious. Which is why I decided fixing the fan
>> was costing more than I was willing to pay...
>>
>> Kim N5OP
>>
>> "People that make music together cannot be enemies, at least as long as the
>> music lasts." -- Paul Hindemith
>>
>>> On Jul 14, 2019, at 4:51 PM, Bernie Skoch via TenTec
>>> <tentec@contesting.com> wrote:
>>>
>>> Thanks, Kim. I’m glad you got it fixed.
>>>
>>> You tried! But what a sad commentary on our disposable society.
>>>
>>> 73,
>>> Bernie
>>>
>>>> On Jul 14, 2019, at 16:35, Kim Elmore <cw_de_n5op@sbcglobal.net> wrote:
>>>>
>>>> Although lots of time has passed, I wanted to let everyone know that I had
>>>> no luck lubricating the old PA muffin fan on my Orion II. I tried
>>>> everything everyone suggested and it simply got worse. It squealed quite
>>>> loudly in the end.
>>>>
>>>> These are 60 mm x 25 mm x 60 mm muffin fans and common as dirt. I had
>>>> three in my one of my parts boxes, so I slapped in an old one and -- Lo!
>>>> And behold! -- it was quiet. This one turns in the opposite direction, but
>>>> that doesn't matter. I looked it up and, not only does it have ball
>>>> bearings, but it moves even more air (27 cfm vs 25 cfm) and uses less
>>>> current (0.14 A instead of 0.23 A). If yours wakes you up with a
>>>> surprising squeal, get anything of the stated size with ball bearings and
>>>> replace the old one! It's not worth your time to keep trying to resurrect
>>>> the original one.
>>>>
>>>> Kim N5OP
>>>>
>>>>
>>>>> On 5/13/2019 2:01 PM, Stuart Rohre wrote:
>>>>> Kim had a great suggestion, which eases the application of new lubricant
>>>>> to heat sink fans.?? Tilt the radio such that the central fan bearing is
>>>>> pointing UP, before you heat up the fan to suck in new lubricant on the
>>>>> cool down step.
>>>>>
>>>>> The Fans at Mouser are so good and reasonably priced, that getting a new
>>>>> fan overnight is a most time saving step. Match the overall dimensions
>>>>> with the old fan.?? The new fans have a ball bearing model.
>>>>>
>>>>> I have done the fan rejuvenation a number of times but last few timees, I
>>>>> bouight new fans, and also rejuvenated the old one. That way, I have
>>>>> plenty of spares for future use.
>>>>>
>>>>> Stuart Rohre
>>>>> K5KVH
>>>>> _______________________________________________
>>>>> TenTec mailing list
>>>>> TenTec@contesting.com
>>>>> http://lists.contesting.com/mailman/listinfo/tentec
>>>>>
>>>> --
>>>>
>>>> Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
>>>> SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
>>>>
>>>> /"In theory there is no difference between theory and practice. But, in
>>>> practice, there is." //??? Attributed to many people; it???s so true that
>>>> it doesn???t matter who said it./
>>>>
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>>>
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