I had the same thought but the scenario is wrong for this. The "miss"
would happen only at full throttle (usually during climb) and never at cruise or
low power if slipping input shaft were the cause. This is of course
based on one example but logically, that is what you would expect.
I do intend to add data logging to the EM2 & EC2 but in my experience
so far, it would take a VERY sophisticated diagnostic to detect this type of
problem. None of the aviation type data logging systems currently on the
market will do it. The BMW engine controller (and probably others) can do
it however. The listing of engine fault codes is over 200 pages
long. It can detect and log a single cylinder miss and tell you which one
it was. There are probably more engineering man hours in that
controller than I have left to live.
Tracy
Subject: [FlyRotary] Re: Momentary pucker
X's 3
Just a lurker here, but could it have been the shaft in the
psru, slipping and rewelding, as just stated on the threads? Duane
Service, Florida
-----Original Message-----
>From: Charlie
England <ceengland@bellsouth.net>
>Sent:
Jan 11, 2006 6:08 PM
>To: Rotary motors in aircraft <flyrotary@lancaironline.net>
>Subject:
[FlyRotary] Re: Momentary pucker X's 3
>
>WALTER B KERR
wrote:
>
>>Flying around the neighborhood today and about 30
minutes into flight
>>there was a momentary hic-up. Everything on
monitor looked normal, so
>>richened a tad and continued flying.
About 5 minutes later, same thing
>>second verse, and then a third
time. Went to full power and rich and it
>>did not repeat. No miss
while descending to land or while taxing in. Ran
>>up a full static
for a minute on the ground and everything
appeared
>>normal.
>>
>>Any
suggestions???
>>
>>Bernie, not wanting to start to Lakeland
with an unknow problem!
>>
>>
>
>Nothing
constructive to offer, but is there a Lyc part hiding under the
>cowl
somewhere?
>
>
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