Re: On a more technical note.....

[Mike Kasrich]

Good input.  I should have mentioned I have the K-3/100 on order.


---- Gary Bartlett VE1RGB <[hidden email]> wrote:

> ----- Original Message -----
> From: <[hidden email]>
>
>
> > Are there any add ons that would be better ordered with a radio at the
> > time of initial construction?
>
> Mike:
>
>     Order the PA with the rig if you can.  It requires the installation of a
> metal shield that, to retrofit, requires a bit of disassembly.  As the Ref C
> instructions are currently written, allowance is made for you to put that
> shield in on the first go-around (although you do not install the 100W amp
> at that time) and that will save you a bunch of work later.
>
>     #095 is a dream and worth every minute of the wait.
>
>     73,
>     Gary, VE1RGB

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[AC7AC]

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[Doug Person]

I must admit I placed a dab of thermal grease on each of the LPA final
transistors.  I couldn't help myself.  Probably doesn't need it.  But I
certainly feel better knowing that the thermal transfer will be just a
tad more efficient.

Doug -- K0DXV
K3/100 #77

Ron D'Eau Claire wrote:

> Another Option module that is easier done up during the initial build - even
> more so than the KPA3 - is the KXV3 interface module. It's nestled under the
> KIO3 interface on the back and requires removing the KIO3 and its two pony
> boards from the back to plug it in, and removing the bottom covers to
> install and connect a cable, then reinstalling the KIO3 and putting the
> covers back.
>
> Still, it's less than a 30-minute procedure, but definitely a 'no brainer'
> if done during the original build.
>
> While we're talking disassembly, let me point out that Wayne specifically
> avoided needing thermal pads or complicated hardware stacks anywhere on the
> K3 bottom cover assembly even though the rear section is the heat sink for
> the 10-watt low power amplifier (LPA) module. Pulling the bottom covers is
> simply a matter of removing screws and  lifting the covers off. Reinstalling
> the covers involves setting them in place and putting all the screws back
> in. The only concession to the needs of the LPA transistors is that the
> screws that secure the bottom cover to them are slightly longer than the
> others and have lock washers under their heads. Those screws thread directly
> into standoffs. No insulators or other hardware is needed.
>
> Ron AC7AC
>
>
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[Bill Steffey NY9H]

the new 10 watt lpa....

Not that I plan on taking the bottom off frequently,
It's ALOT BETTER AND EASIER THAN THE K2,,,,
......and as I did it could only think of the k2's lpa procedure,,,,,

bill #44

>While we're talking disassembly, let me point out that Wayne specifically
>avoided needing thermal pads or complicated hardware stacks anywhere on the
>K3 bottom cover assembly even though the rear section is the heat sink for
>the 10-watt low power amplifier (LPA) module. Pulling the bottom covers is
>simply a matter of removing screws and  lifting the covers off. Reinstalling
>the covers involves setting them in place and putting all the screws back

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