flyrotary@lancaironline.net Mailing List Archive

Excellent suggestion, Jim.

I'll check it out. That would be ideal. I haven't seen the approach Ernest suggested in any of the material I have read - but it would be cheap (if not easy) to try one and see how it turns out.

I could simply print out the silkscreen out line of the parts on paper, glue it to the fiberglass board and cut out where indicated. The board of the material you suggested will certainly survive the temperatures.

Thanks

----- Original Message -----

From: James Maher

To: Rotary motors in aircraft

Sent: Friday, February 23, 2007 5:59 PM

Subject: [FlyRotary] Re: Cooked Board - Really!

Ed,

How about the printed circuit board material?

Its fiberglass and you can get it without any metal on it.

It goes by many names, FR-4, G10, NP510A NP511 etc. depending on the manufacturer.

Some manufactures will send you 18"x18" sample sheets of various thickness for evaluation.

It is easily cut and drilled with a Dremel tool.

I was condidering using it as aircraft skin material.

One of our Delta Builders actually did use this material as skins.

Jim

Ed Anderson <eanderson@carolina.rr.com> wrote:

Neat Idea, Ernest

Might be less work than trying to develop a manual "pick and Place" gantry
{:>). I wonder what is easy enough to cut but will withstand 468F for 90
seconds?

Ed
----- Original Message -----
From: "Ernest Christley"
To: "Rotary motors in aircraft"
Sent: Friday, February 23, 2007 3:11 PM
Subject: [FlyRotary] Re: Cooked Board - Really!

> Ed Anderson wrote:
>
>> My highly advanced GE convection reflow oven cost $38.99 and that part of
>> the experiment work perfectly. Besides, I don't have room for one that
>> size, Mike {:>)
>> The most difficult part of the experiment was placing the components
>> without rubbing the solder paste off the pad and knocking another
>> component askew. I now understand why they talked about "arm rests". It
>> doesn't take much to get misalign.
>>
>
>
> Ed, get a second piece of plexiglass cut. This one to have large holes to
> clear the solder pads, but comes in to the thickness of the components.
> The idea is to drop the components into a hole that will force them into
> alignment. All the better if it's made of a material that can stand the
> heat of the oven.
>
> --
> ,|"|"|, Ernest Christley |
> ----===<{{(oQo)}}>===---- Dyke Delta Builder |
> o| d |o http://ernest.isa-geek.org |
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/

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