| Bill,
I have experienced a similar phenomenom. For me, it was a problem that progressively got worse. Was made worse by high temperatures, high alternator current output. It started to get easier to diagnose when the symptoms got worse. Things like turning on the landing lights or even the second fuel pump brought on the symptoms.
I cant say that I ever really pinpointed the problem, but it is now fixed. The most likely culprit was a fuse-link on the b-lead of my alternator that seems to have gotten old and restricted the flow of electrons. Other things that I did but do not think were at fault include: replacing the alternator, re routing the alternator field supply, cleaning some corrosion that had developed on my main firewall electron passer, moving the electron supply for all high draw items away from the supply for the EC2, the injectors, and the coils, saying 2 hail mary's and turning the prop through 3 times before getting in, only pressing the start button at 24 seconds past the minute.... well, you get the idea.
Good Luck -- David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.nethttp://RotaryRoster.net
On Thu, Jan 24, 2013 at 2:18 PM, Bill Bradburry <bbradburry@bellsouth.net> wrote:
Well, sorry to say I just found that it
was Bob White who built the harnesses and he passed away in 2010.
Bill B
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Bill Bradburry
Sent: Thursday, January 24, 2013
5:10 PM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Hiccup!
Well the hiccup is much worse now!
In fact it is no longer a hiccup. I misses a string of 3-4 in a row and
loud backfires! It seems that it is electrical in nature as the mixture
was pretty well centered the whole time and turning the mixture knob
didn’t seem to help.
I am thinking about rewiring the entire
system, but I am somewhat concerned that I may just screw up something that is
not broken.
Didn’t there used to be someone on
the list that built wire harnesses for the EC-2?
Suggestions welcomed!
Bill B
|