Mailing List flyrotary@lancaironline.net Message #42394
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: Re: [FlyRotary] Re: Remoted EFISM Display
Date: Sat, 19 Apr 2008 17:08:53 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>

----- Original Message ----- From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, April 19, 2008 5:03 PM
Subject: [FlyRotary] Re: Remoted EFISM Display


Ed Anderson wrote:
  I was certain that it could as the microchip driving it is much faster than the display, however, nothing like proving it.  Here is the display remoted 4" from the board (8-10" should be no problem

Ed, did you try cycling through the aviation bands with a radio?  Digital signals going down a ribbon cable that long could be spewing a lot of noise.  4" shouldn't be bad, but a length in the teens would have it starting to resonate in the aviation bands.



No, Ernest, I did not.  Good suggestion, but not having the equipment to do so in my workshop sort of precludes readily checking for that type of interference.  Good reason to keep the length as short as possible - that is if anyone ever does remote the display {:>)

Ed
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