Mailing List flyrotary@lancaironline.net Message #2217
From: Haywire <haywire@telus.net>
Subject: RE: [FlyRotary] Re: Tachs & things
Date: Sun, 20 Jul 2003 23:55:31 -0700
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Guy's;
    Thanks for the words of encouragement. It really is a rush to feel the power while sitting in the cockpit doing a run-up.
 
    Tracy; I appreciate your efforts to bring us a new product and while I'd love to have it my panel now, I can understand the difficulties you must face trying to please everybody's request for customization. I'd rather you took your time and did it right. You can hang on to my deposit as I still want one eventually and I don't mind funding your R&D. Since you are adding extra functionality.... how about a serial out of all engine data, to allow the consumer (me) to connect to a laptop for monitoring with a TrendLink program and possibly attempt to build my own graphical display? :-)
 
    I brought my tach from my new ski-doo up to the airport, but ended up busy with other items and haven't tried it yet. Maybe tomorrow after work. I looked at a diesel tach today. It runs off a sensor that is mounted on the alternator. The back of the gauge has an adjustment pot, to calibrate tach to a known RPM. Just need to get an optical tach for the prop speed then do the math. The problem with this is that the tach face is only up to 6000 rpm. As my upper limit should be approx 6200 rpm, this would barely work, but I'd like to find something better.
     I am using the LS1 coils, but I agree that it shouldn't make a difference in the trigger signal.
 

S. Todd Bartrim
Turbo 13B RV-9Endurance
C-FSTB
http://www3.telus.net/haywire/RV-9/C-FSTB.htm

   "Whatever you vividly imagine, Ardently desire, Sincerely believe in, Enthusiastically act upon, Must inevitably come to pass".

 
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