Peter wrote:
Does make it easier to steal the plane though
You have had a ride in a CJ4 so you know these and other small jets just have a button or two to press to start them up. I guess the door lock is the only anti theft device, although maybe another deterrent is that you have to know how to start the engines and fly it in order to steal it.
Interestingly the question of how the Surefly system does the “distributor”: it doesn’t! It uses the “wasted spark” principle where a spark is sent to all the cylinders and it doesn’t do anything where there is no compressed mixture to ignite. See here local copy
It also does an ignition advance
I’ve seen some discussion on US sites suggesting an explanation for the “variable benefit” reports. The ignition advance is of little or zero value if you fly at lower altitudes.
One owner is reporting a few kt gained at 10000ft.
But isn’t the real benefit of this unit the zero maintenance basically it has a TBR/TBO of 2400 hours.
Sadly no EASA approval yet.
+1 on the electronic mags; just maybe not the Lycoming ones, but the Surefly, if it is certified for your engine. I believe they have EASA approvals now as well.
tmo wrote:
+1 on the electronic mags; just maybe not the Lycoming ones, but the Surefly, if it is certified for your engine. I believe they have EASA approvals now as well.
lycoming ones are the re-branded surefly.
they have easa approval too.
Do they have EASA certification for 6 cylinders engines ?
Do they have UK certification?
The Lycoming electronic ignition does not require STC for single mag installations with fixed timing. they have it for 4 and 6 cylinders.
Check out service instruction SI1443R for eligable engines and Service Instruction SI-1569 for instructions
By9468840 wrote:
lycoming ones are the re-branded surefly
Yes and no – for example Surefly has a power filtering device built into the latest ones, Lycoming does not. Granted that is a potential issue only on 28V systems, but I’d rather pay the guy who makes the stuff, than some middleman. Either way, that’s the way to go, I think.
