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nuckolls.bob(at)cox.net
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 Posted: Mon Dec 31, 2007 7:15 am Post subject: Powering the Ignition and Fuel Injectors on Egg. Subaru |
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At 05:56 PM 12/30/2007 -0800, you wrote:
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Ed,
Good suggestion on the relays/contactors. I was recently exploring this
option and might experiment it out. I am already using a Perihelion Design
Powerlink Jr solid state relay for the Z19 E-bus alternate feed, with max
capacity of 35 amps. It is a nice, compact package good for a
high-vibration location. Another of these might do the trick in the case
of the coils. I don't like increasing part counts but ....
I still wish Bob would weigh in on these design issues, as an outgrowth of
the Z19 design. I've seen these same questions come up but nobody has
really addressed them as a part of that scheme as far as I can tell.
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I'm working on it. My family duties during this
two weeks every year are significant. Just finished
Xmas #2 with my side of the family last night . . .
got New Year's eve to go!
This isn't complicated. I'll be crafting a revision
to Z-19 to accommodate the apparent design goals of
the Eggenfellner installation using the Exp-Bus.
I'm going to fly it by Jan and company to make sure
that what we publish is a viable alternative that
does not violate Jan's original design goals.
I can tell you now that the changes to Z-19 are
exceedingly simple.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
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mikefapex
Joined: 05 Jul 2007
Posts: 70
Location: Colorado
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| Posted: Mon Dec 31, 2007 7:40 am Post subject: Re: Powering the Ignition and Fuel Injectors on Egg. Subar |
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Bob,
Thanks for the heads up, I know several folks will be interested in your input. No matter how simple you think it is, for many of us this is new territory. I've learned a boatload from this list (and your book) but it still theory for me until the bird is flying.
Have a happy new year,
Mike
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Allen Fulmer
Joined: 10 Jan 2006
Posts: 79
Location: Alexander City, AL
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| Posted: Mon Dec 31, 2007 8:24 am Post subject: Powering the Ignition and Fuel Injectors on Egg. Subaru |
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Bob,
Thanks for your time and effort. We understand the family obligations this
time of year.
You might want to check with Jan first as I think they are moving away from
the EXP Bus, maybe even design/sell their own switch controller.
But there are some of us that are going the Z19RB way in lieu of the EXP (or
possible Egg.) Bus. So the question still remains (to you, a simple mod it
appears): How to appropriately handle the circuits for the 20amp Ign/Inj,
10amp #Fuel Pump, and 5amp ECU? Jan has a diagram on page 51 of the new
E6/E6T manual that shows a #10awg always hot wire coming from Aux(your
"Engine") battery forward to an E-bus, presumably behind the firewall, for
ECU (5 amp), Ign. and Inj. (20 amps), fuel pumps (10 amps), and other
essential (20 amps). Then there is a switch to allow feeding the E-bus from
the main fat wire.
We just want to do it the "Best Way YOU know how!"
By the way, the manual I am quoting is on Jan's web site:
http://www.eggenfellneraircraft.com/iindex.htm
Thanks,
Allen Fulmer
[quote]>>--
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_________________
RV7 QB Fuselage
Eggenfellner H6 on orde
N808AF reserved
Alexander City, AL |
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sshook(at)cox.net
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| Posted: Mon Dec 31, 2007 10:23 am Post subject: Powering the Ignition and Fuel Injectors on Egg. Subaru |
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Just an FYI Bob...
I think Jan and Gary were leaning away from the Exp-Bus installations. I
would confirm it with them, but I seem to recall that they were going after
a different solution.
I do know the 2007 Installation Guide, published back in October, doesn't
reference the Exp-Bus.
Scott R. Shook
RV-7A (Building)
N696JS (Reserved)
--
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ronburnett(at)charter.net
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| Posted: Mon Dec 31, 2007 1:00 pm Post subject: Powering the Ignition and Fuel Injectors on Egg. Subaru |
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Bob and all,
It is true that Jan no longer requires using the EXP BUS but there are still some of us slow pokes who purchased one and are installing it with our H-4 engines that are not yet flying. I went to Bob's course twice and would love to see his rec. using the EXP BUS which in my case, will be installed with their brackets attached to ensure no abnormal stress on componets or switches.
Ron Burnett
RV-6A with Eggenfellner H-4
---- "Scott R. Shook" <sshook(at)cox.net> wrote:
=============
Just an FYI Bob...
I think Jan and Gary were leaning away from the Exp-Bus installations. I
would confirm it with them, but I seem to recall that they were going after
a different solution.
I do know the 2007 Installation Guide, published back in October, doesn't
reference the Exp-Bus.
Scott R. Shook
RV-7A (Building)
N696JS (Reserved)
--
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nuckolls.bob(at)cox.net
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| Posted: Tue Jan 01, 2008 10:19 am Post subject: Powering the Ignition and Fuel Injectors on Egg. Subaru |
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At 05:44 PM 1/1/2008 +0000, you wrote:
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<trigo(at)mail.telepac.pt>
Bob
I add my voice to those (and there are hundreds more out there) who will be
very pleased (and will thank you) if you address this issue USING the
ExpBus.
Of course, it will be better if you do both (with and without the ExpBus).
Carlos
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I thought Eggenfellner had already done this?
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
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