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Surefly electronic ignition

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Dallas90 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dallas90 Quote  Post ReplyReply Direct Link To This Post Topic: Surefly electronic ignition
    Posted: 19 Apr 2023 at 10:23am
Has anyone here replaced a Mag with a Surefly? I'm coming up on mag rebuild and considering it for my Cirrus SR-20. Does it cause any interface problems with your MFD? I would have the option of replacing the left or right mag, replacing left being recommended by Surefly.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LarryPetro Quote  Post ReplyReply Direct Link To This Post Posted: 29 Apr 2023 at 4:35pm
Two years ago I replaced the left mag with a Surefly electronic mag. No problems with the MFD (or, anything else) were caused. I have dual IFD440 and Entegra MFD and PFD.

Edited by LarryPetro - 29 Apr 2023 at 4:36pm
Larry Petro - Columbia 350 @ KFME
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Dallas90 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dallas90 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Apr 2023 at 4:07pm
Did it require the tach2 signal converter? Also, did you have any improved performance or decreased fuel burn of any note?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LarryPetro Quote  Post ReplyReply Direct Link To This Post Posted: 30 Apr 2023 at 5:23pm
My Surefly did not require the tach2 signal converter, but I did need a Slick ignition harness.

My sense is that starts are easier (i.e., quicker and without drama) and that fuel flow has been reduced 0.5 - 1 gph at 65% max rated horsepower. I do not have data to support that impression, unfortunately. 
Larry Petro - Columbia 350 @ KFME
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Dallas90 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dallas90 Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2023 at 4:10pm
Thanks for the info. I keep getting mixed messages on the need for the Tach2 signal box. Surefly thinks I need it and Avidyne has yet to respond.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dmtidler Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2023 at 4:23pm
I had to install the Tach2 signal box in my airplane so that the SureFly ignition would properly display on my Horizon Instruments P-1000 digital tachometer.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dallas90 Quote  Post ReplyReply Direct Link To This Post Posted: 02 May 2023 at 5:49pm
I have the Avidyne Entegra PFD and MFD so that’s the equipment I want to keep happy. I don’t want to buy an extra signal conditioner I don’t need. Should happen within the next 3 months. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LarryPetro Quote  Post ReplyReply Direct Link To This Post Posted: 02 May 2023 at 5:51pm

I also have the Avidyne EXP5000 PFD and EX5000 MFD.
Larry Petro - Columbia 350 @ KFME
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