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1. 07:24 AM - Re: Spare parts source (Hinde, Frank George (Corvallis))
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| Subject: | Spare parts source |
Just a perspective from an Ex stratus flyer..but LONG LONG time tinkerer...
Mostly trying to find a way to keep the valves in the heads before the engi
ne tried to kill me again!
The standard Subaru ignitor chips are hopelessly feeble..In fact I seem to
remember comparing the measured primary coil resistance and comparing it to
the subaru Brat specs for the Subaru coil. if memory serves, it was about
half of what the sooby spec was.
What this means is two things..
1) In the steady state condition (like you turn the ignition on and then st
arted the engine) the ignitor chip is switching somewhere close to twice th
e current it was designed for..Needless to say this puts a LOT more stress
on the ignitor chip.
2) If the IC107 works then I bet there are hundreds of coils out there that
could be made to work in the same application..
This is why it is important to get off the Sooby ignitor chips ASAP if you
haven't done so already. When I sold the plane some 3 or 4 years back it wa
s running dual GM ignitor chips (with a third spare mounted on the same pla
te that I could swap to if one died on a X country trip). Those things are
bullet proof..i even took an old one and shorted it out..This would instant
ly kill a $300 Sooby ignitor chip, the GM worked perfectly after said abuse
.
Good luck all..I hope your still enjoying your airplanes..I have fond memor
ies of mine.
Frank
601HDS (about 500 hours when sold)
RV7a..Also about 500 hours but about twice the distance..a lot of it in IMC
...:)
_____
From: owner-stratus-list-server@matronics.com [mailto:owner-stratus-list-se
rver@matronics.com] On Behalf Of Don Walker
Sent: Tuesday, June 08, 2010 3:22 PM
Subject: Re: Stratus-List: Spare parts source
Mine have been rusty forever...here in the humid country of East Texas. I h
eard that the rust on the coils is not a big deal. Maybe you can educate me
on this a little more. don
Thanks for the info on the spares.
_____
From: Larry McFarland <larry@macsmachine.com>
ronics.com>
Sent: Tue, June 8, 2010 11:38:07 AM
Subject: Stratus-List: Spare parts source
mailto:larry@macsmachine.com>>
Hi guys,
For you who fly behind the Stratus Subaru or just do dual ignition on one o
f the varieties,
I've been revisiting my engine wiring and found my ignition coil plates are
rusty from the moist air coming thru the cowl. Having spares has real meri
t because spare parts are often discontinued after 10 years or so. Ignition
coils purchased nearly 8years ago for $35.00 each are now $93.00. Useful a
lternatives to the pricey Echlin IC107 coils can be found by searching for
coils used on a 1987-1990 Mitsubishi wagon or van. The equivalent parts are
easier to find at $30.00 and up. I chose O'Rielly's Auto Parts on line and
they have 4 sources for this coil. I've maintained a spares box for all th
ings consumable, brake pads, bungees, fuel lines, scat tube etc, and after
only 157 hours of flight, I guess coils are next.
Fly safe guys,
-%20-%20-%20-%20-%20-%20-%20-Matt%20Dr=======
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