Bill, W6WRT wrote:
> ORIGINAL MESSAGE:
>
> On Sat, 30 Jan 2010 02:42:48 -0500, Roger <sub1@rogerhalstead.com>
> wrote:
>
>
>> The holes
>> for the tubes and sockets must not look like they were done with a hole
>> saw. This can be done with either a fly cutter, or punch press.
>>
>
> REPLY:
>
> I agree that a hole saw does not do very pretty holes compared to
> other methods, but if done carefully, I think they can be adequate.
> The secrets to making good holes wit a hole saw are: 1. Go slow. You
> need to CUT your way through the aluminum, not BURN your way through.
> 2. Use a sharp hole saw. When it gets dull, toss it. 3. Spend some
> time cleaning up the inevitable burr.
>
> And try not to be too obsessive about it. Few if any of the holes will
> ever be seen when the amp is in actual use. You don't need "perfect",
> you need "good enough".
>
It all depends on your goals, be it "will work", "good enough for who
it's for", "look like commercial", or "a show piece inside and out".
Unfortunately I tend to be of the latter type when it comes to construction.
73
Roger (K8RI)
> 73, Bill W6WRT
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|