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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-1856333@logan.com>
Subject: Re: [FlyRotary] Re: Cooked Board - Really!IV
Date: Thu, 22 Feb 2007 17:33:20 -0500
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Thanks, Marv.

Yes, I had intended to "hand massage" that diode just for the experience if 
nothing else.  Your suggestion sounds like a good one.

Ed
----- Original Message ----- 
From: "Marvin Kaye" <marv@lancaironline.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, February 22, 2007 4:34 PM
Subject: [FlyRotary] Re: Cooked Board - Really!IV


> Ed,
>
> My friend Jim told me that when he had a single component to deal with on 
> an otherwise successfully populated board he would use a typical small 20W 
> soldering iron for the repair.  He wound a piece of .010 stainless wire 
> around the tip (spring-style) and let the tag end extend from the end of 
> the tip 1/2" or so, to give himself a .010 tip for dealing with those SM 
> pads.  I'm sure you've already considered a solution to your forgotten 
> diode, but this came to mind when I saw the photo and thought I'd share 
> it.
>
>   <marv>
>
>
> "Ed Anderson" <eanderson@carolina.rr.com> wrote:
>
>  On the first solder run, I had too much pressure and while the area of 
> the
> solder paste deposit was excellent (even on the 0.25mm socket lands), 
> there
> was too little quantity of solder to hold the hold the components in 
> position.
>  The second solder run I used less squeegee pressure and it left (did not
> scope it out) a large volume of solder (too much in the case of the 0.25mm
> socket lands and they bridged).  Solder wick may be able to get the excess
> solder out.
>  I have two more boards to experiment with - hopefully by the end I will 
> have
> it down.
>  Ed
>  Ed Anderson
>  Rv-6A N494BW Rotary Powered
>  Matthews, NC
>  eanderson@carolina.rr.com
>  http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>  http://www.dmack.net/mazda/index.html
>
> --
> Homepage:  http://www.flyrotary.com/
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