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1. 03:05 AM - Re: Re: M-14P TBO (Richard Goode)
2. 12:27 PM - CJ-6 MLG Jacks (n38139)
Message 1
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I have had a look through our files for original OKBM lifetime statement.
However, after 30 years of dealing in these engines, and the Russian
keenness for paperwork we literally have thousands of pages in our archives
and I couldn't immediately find it without spending a lot of time. However,
surely these hours, whether over- conservative or not, are so widely known,
and indeed I suspect the only interest people have is to increase the
permitted hours in those countries where they have to be followed.
Unless things have changed significantly at Shakty, I am sceptical of the
quality of work coming out of any Russian factory. Over the years, I have
visited all the factories - OKBM; Voronezh Manufacturing Plant; Veenitsa;
Shakty, and the common problems they all have today are that they are
under-funded; occupying large and very expensive to run factories as well as
being very short of parts. In particular Voronezh, which was the central
source of spare parts, sold everything related to M 14 engines last year.
You're lucky if you can operate your engines on condition - in Europe we
have to follow the strict manufacturers figures - mind you I'm always rather
sceptical of the hours in the aircraft logbooks of private owners!
We have had similar problems in Europe in that we had been using a "Mickey
Mouse" Russian registration which, about 14 years ago the various European
authorities declared (and quite correctly) as being illegal. Effectively
this would have grounded most Yaks and Sukhois in Europe. Fortunately I had
a friend running certification at EASA and he created a completely
artificial category of "restricted certification" for all Sukhois; Yak
18T/54/55. I suspect that is where your authorities have come up with your
legislation. Then the non-certified aircraft like 50; 52 were left for the
individual national authorities to decide whether to accept them or not, and
the majority of countries don't accept them, although in a number of cases
they will accept the aircraft if they have some form of restricted or
experimental registration from another country - a total lack of
coordination.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Looigi
Sent: 13 March 2017 20:44
Subject: Yak-List: Re: M-14P TBO
Thanks for your post Richard.
Do you have any of the OKBM data you refer?
I wasn't questioning the quality, merely the scope of the work. I had the
privilege of going to the Shakhty overhaul facility a bit over a year ago
and I had a good look at their operation. I have been a Licenced Aircraft
Engineer for many years now and I have worked at many places all over the
world. I can honestly say that the Shakhty plant is old, and not very
impressive looking, but it was clean, tidy and as far as the work they turn
out and the skill of the guys who work there goes, they would hold their own
with anything I have seen elsewhere else.
And yes, I agree totally with your comments about engine life. I have been
told that the air race guys never even make three digits with their engine
lives!.
We have set overhaul periods for components here in NZ like anywhere, but
for non-commercial operations we are allowed to run our engines on condition
until it is out of limits (leak downs, oil consumption, SOAP etc), even then
a cylinder change can sort most of that. The reality is that all engines
are on condition all of the time. If a new engine starts making metal, or
shows other signs of distress you deal with it the same as you would an old
one.
The issue I am having is that our CAA have put these planes into a
Restricted Limited category which means they treat them as a certified
aircraft built to a standard, they just don't know what the standard is.
Because manufacturers data is scarce or unobtainable, Chinese whispers
(sorry CJ6 guys) and Facebook seem to be being held up as gospel. Add into
the mix the difference in manufacturing and regulation philosophies, the
breakup of the Soviet Union and the language barrier and my frustration
levels rise.
What I think I am hearing is that I am just going to have to suck it up,
accept that there isn't a right answer and make the most of it.
Now, where are my OCD pills....?
Chris
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http://forums.matronics.com/viewtopic.php?p=467258#467258
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Message 2
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I have a set of MLG jacks I bought from Doug and am not going to use them. They
are still on the shipping pallet. I am in the middle of the US and willing
to ship if needed. $700 plus shipping
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467300#467300
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