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M-14P Engine life

 
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john_graham



Joined: 09 Aug 2007
Posts: 45
Location: Algonquin, IL
PostPosted: Sat Apr 19, 2008 5:46 am    Post subject: M-14P Engine life Reply with quote
If one wanted to maximize the engine life of a 360 hp M-14P, what else would one do other than:

1. Fly it regularly
2. Fly it slightly over-squared (i.e., MP 70%, RPM 65%)
3. Change the oil every 25 hours
4. Use MMO in the 100LL fuel
5. Pre-heat the engine below 50 degrees F
6. Obviously pull the prop through before each start
7. Install a quick-drain kit for the intakes
8. Perform the recommended preventative maintenance religiously

Please set me straight if the above is wrong - I mainly just cruise around in my Yak-52 with little aerobatics and no real need for speed. I know, I know...I am not utilizing the plane to its potential!! But I have more fun than I ever imagined. So....how can I ensure a long engine life. Please share your wisdom!!!!

And, who has heard of the most hours on an M-14P (in an airplane, not a generator) between TBOs?

John "Mr. TBO" Graham

John P. Graham
CubFlyer1940(at)Yahoo.com
Cell phone (847) 641-1330
Be a better friend, newshound, and [quote][b]

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_________________
John Graham
N15YK 1993 Yak-52
CubFlyer1940@Yahoo.com
(847) 641-1330
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cpayne(at)joimail.com
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PostPosted: Sat Apr 19, 2008 2:36 pm    Post subject: M-14P Engine life Reply with quote
Engine life?

Not More Power? What a novel idea! Don't forget to add an oil filter and an air intake filter. The oil filter stops the really little particles from chewing up the engine and the air filter prevents some of those particles (dirt) from getting in. Pre-oilers and pre-heaters are great items in cool climates as most wear occurs during start-up.
Keep temps within operating ranges also, there is good reason why air show engines need frequent overhauls.

CJ owners can install the Bracket BE-197 filter and have ample room to install an oil filter. I have a oil filter design that might fit the -TW, but need to investigate further.

Craig Payne

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discrab(at)earthlink.net
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PostPosted: Sun Apr 20, 2008 5:46 am    Post subject: M-14P Engine life Reply with quote
Engine life - come on lets have big time fun at the same time! We haven't
talked about the "A" - "B" power setting scenario for a while. "Take the
power levers "A" (throttle and prop) push them as far forward as humanly
possible and...Let them BE" This method has gotten nearly 900 hours so far
on my SU-29 with a Wolf oil filter, no MMO on any kind of consistent basis,
and a dam built just aft of the carb to get more high pressure "unfiltered
air" into the carb. Never been overheated or abused, oil changes still
every 25 hours Phillips 25 - 60 XC.

And where did this "square - over-square - under square" Voodo get started
anyway? Can you explain to a College Educated Idiot what this has to do
with engines, especially blown or turbo charged ones? Remember when we all
drinking the "purple cool-aid" and leaning rich of peak? Now the
manufacturers are telling us - lean of peak on their watch. There are those
of you who know an unbelievable amount of engineering - seriously - I love
to read your techno stuff.

Respectfully "run 'em hard" (cause they like it) - Rick
Quote:
[Original Message]
From: Cpayne <cpayne(at)joimail.com>
To: yak-list <yak-list(at)matronics.com>
Date: 4/19/2008 4:42:12 PM
Subject: Re:M-14P Engine life



Engine life?

Not More Power? What a novel idea! Don't forget to add an oil filter and
an air intake filter. The oil filter stops the really little particles from

chewing up the engine and the air filter prevents some of those particles
(dirt) from getting in. Pre-oilers and pre-heaters are great items in cool
climates as most wear occurs during start-up.
Quote:
Keep temps within operating ranges also, there is good reason why air
show engines need frequent overhauls.

Quote:

CJ owners can install the Bracket BE-197 filter and have ample room to
install an oil filter. I have a oil filter design that might fit the -TW,

but need to investigate further.
Quote:

Craig Payne



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