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  #1  
Old 01-29-2020, 01:36 PM
Sam Buchanan's Avatar
Sam Buchanan Sam Buchanan is offline
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Join Date: Dec 2004
Location: North Alabama
Posts: 4,568
Default SureFly feedback before I pull the trigger

Both mags on my carbed O-320 are due either 500+ hour inspection or overhaul. They both work fine but due to cost analysis I'm strongly considering replacing the impulse mag with a SureFly impulse ignition. I can purchase the SureFly for about the same expense as two overhauled Tempest Slicks. My lowest time mag (non-impulse) would get an inspection and light refreshing as necessary since it would be relegated to backup duty.

There is some SureFly feedback in the archives but not much current info. I would really appreciate field experience from RVers who are using this ignition. I intend to use it in fixed timing mode for simplicity--I don't fly enough hours to make an incremental saving in fuel burn a major factor.

Comments appreciated!
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  #2  
Old 01-29-2020, 02:01 PM
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bkervaski bkervaski is offline
 
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Location: Birmingham, Alabama
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Default

I haven't owned a SureFly but did stay at a Holiday Inn last night ...

The SureFly doesn't have a generator, it's uses ship power, and if you're installing two, it's required that you have a backup battery system in place so budget for that, could get expensive and complicated.

PMAGs, in comparison, have an internal generator, no secondary battery necessary, but are a few hundred dollars more than the SureFly.
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Last edited by bkervaski : 01-29-2020 at 02:07 PM.
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  #3  
Old 01-29-2020, 02:09 PM
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Sam Buchanan Sam Buchanan is offline
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Location: North Alabama
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Default

Quote:
Originally Posted by bkervaski View Post
I haven't owned a SureFly but did stay at a Holiday Inn last night ...

The SureFly doesn't have a generator, it's uses ship power, and if you're installing two, it's required that you have a backup battery system in place so budget for that, could get expensive and complicated.

PMAGs, in comparison, have an internal generator, no secondary battery necessary, but are a few hundred dollars more than the SureFly.
As stated in my post......only going to replace the impulse mag.
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  #4  
Old 01-29-2020, 02:11 PM
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bkervaski bkervaski is offline
 
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Quote:
Originally Posted by Sam Buchanan View Post
As stated in my post......only going to replace the impulse mag.
I need to stop replying to posts on my mobile without reading glasses .. .. been trying to cross the 50 yard line without needing them
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  #5  
Old 01-29-2020, 03:00 PM
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RONSIM RONSIM is offline
 
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Default Not sure the prop you are using

Sam, apparently there has been an issue with the Surefly and "light-weight" props i.e. "kickback" on starting. My hangar neighbor had to return his Surefly because he has a Catto, and was getting the kick-back. There is a thread, somewhere on this from last Fall.

I do covet the Surefly for my impulse-side mag., just to make hot starts go a little easier.

Ron
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  #6  
Old 01-29-2020, 03:18 PM
Bavafa Bavafa is offline
 
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Location: Sacramento, CA
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Default

Quote:
Originally Posted by RONSIM View Post
Sam, apparently there has been an issue with the Surefly and "light-weight" props i.e. "kickback" on starting. My hangar neighbor had to return his Surefly because he has a Catto, and was getting the kick-back. There is a thread, somewhere on this from last Fall.

I do covet the Surefly for my impulse-side mag., just to make hot starts go a little easier.

Ron
I also believe I read a post that had issues with getting TAC signal, but it might been more of complicated set op rather than an issue.
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  #7  
Old 01-30-2020, 04:40 AM
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gmcjetpilot gmcjetpilot is offline
 
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Quote:
Originally Posted by bkervaski View Post
I need to stop replying to posts on my mobile without reading glasses .. .. been trying to cross the 50 yard line without needing them
Give in to aging old man.... (as I put my cheaters on)

Sounds like a few good comments from Experience. I'm a SDS fan, but I always like the idea of self contained EI, like E-Mag (P-Mag), easier installation and self powered. EI is a choice and have pros and cons. The SureFly being STC it is less flexible and likely more conservative timing. I am surprised it kicks back light props, it should put out a hot TDC spark for start.... but this can be an issue with EI.
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Last edited by gmcjetpilot : 01-30-2020 at 04:51 AM.
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  #8  
Old 01-30-2020, 02:11 PM
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rv8bldr rv8bldr is offline
 
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Quote:
Originally Posted by bkervaski View Post
I need to stop replying to posts on my mobile without reading glasses .. .. been trying to cross the 50 yard line without needing them
Ya, well, I got 3 days past the 40 yard line then I was done ....
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  #9  
Old 01-29-2020, 02:55 PM
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Pilot135pd Pilot135pd is offline
 
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Location: Vaca Moo Airport - TA37 in East TEXAS
Posts: 1,659
Default

Quote:
Originally Posted by Sam Buchanan View Post
Both mags on my carbed O-320 are due either 500+ hour inspection or overhaul. They both work fine but due to cost analysis I'm strongly considering replacing the impulse mag with a SureFly impulse ignition. I can purchase the SureFly for about the same expense as two overhauled Tempest Slicks. My lowest time mag (non-impulse) would get an inspection and light refreshing as necessary since it would be relegated to backup duty.

There is some SureFly feedback in the archives but not much current info. I would really appreciate field experience from RVers who are using this ignition. I intend to use it in fixed timing mode for simplicity--I don't fly enough hours to make an incremental saving in fuel burn a major factor.

Comments appreciated!
How much does it cost to overhaul 2 mags? I should be there by the end of this year.
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  #10  
Old 01-30-2020, 09:54 PM
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Check6 Check6 is offline
 
Join Date: Apr 2009
Location: Georgetown, Texas
Posts: 175
Default Surefly

Love mine! I have it on an IO-360 200hp and one slick. My engine runs better, my hot starts are significantly better because of it. It works well with my G3X touch system. I put a battery back up on it which was no big deal so it will run if I lose electrical. It is straight forward to install, super simple and has a TBO of 2400 hours. You can do the math on overhauling slicks every 500 hours. The support is great at helping you install it. When I got mine almost 2 years ago they shipped it set up for my engine. Pretty awesome.
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