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Re: First Failure and Help
Original poster: "robert & june heidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-desertgate-dot-com>
Just a small comment. As the wire bends inside the holes it requires more
room than the diameter of the wire/tubing so make your holes large enough to
provide for the bend.
Robert H
--
> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Fri, 27 Dec 2002 00:13:07 -0700
> To: tesla-at-pupman-dot-com
> Subject: Fwd: First Failure and Help
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Fri, 27 Dec 2002 00:13:51 -0700
>
> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <Mddeming-at-aol-dot-com>
>
> In a message dated 12/27/02 12:45:29 AM Eastern Standard Time,
> tesla-at-pupman-dot-com writes:
>
>
>
>>> Also, does I'm trying to use strips of a cutting board I made as the
>>> supports for my primary. Does anybody have a quick and easy method for
>>> drilling all the holes with the necessary spacing? The current way I'm
>>> looking at doing it is where I'll have to drill a hole, measure .5 inch,
>>> drill a hole, ad infinitum. Help would be appreciated.
>>
>> A $150,000 CNC milling machine is faster... But you are doing it exactly
>> the way I would... ;0) I guess you could mark all the hole locations first
>> and then drill them... That poly cutting board would probably just gum up
>> a CNC machine anyway... ;-D
>
> Hi Alan,
> If you stack your supports with a slight offset, you can drill the entire
> stack at once. Say you had 8 supports and you want the turns to be 1/2" on
> center.
> 1) Mark the top one in the stack every half inch and then offset each one
> under it 1/16" from the one above it.
> 2) Fasten the stack with strong rubber bands.
>
> 3) Number the pieces in sequence!! VERY important!!
> 4) Drill through the entire stack, preferably using a drill press.
> 5) Slide them onto the primary coil in sequence, working from the
outside in.
> This reduces the number of holes to be drilled in this case by 82.5%.
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> In general, for N supports with primary on D in. center-to-center, the
> offset should be D/N
>
> Hope this helps,
>
> Matt D.
>
>