Thread: Hawk XP TBO
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Old April 6th 07, 08:43 PM posted to rec.aviation.owning
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Default Hawk XP TBO

On Apr 6, 7:13 am, wrote:
On 6 Apr 2007 00:31:21 -0700, "Johnny Google"

wrote:
Thanks - Does someone have recent / realistic costs associated with
swapping a K for a KB at overhaul on a 172 XP?
Is it a standard rebuilt engine cost for the KB (if so - what is this
cost for this engine) and would get some sort of core or exchange
value for the K you are 'swaping' ?


If you want real numbers, perhaps you should contact someone in the
business of overhauling engines. Unfortunately, there really is no
such animal as a "standard overhaul price".

The overall condition of an engine that has apparently only had less
than 1500 hours of run time in the last 30 years is anybody's guess.

Unless it has been short- or long-term corrosion protected in this
period of time, the condition is likely to be poor.

As others have indicated, this is a 30 year old engine that was
subject to a fairly major upgrade 29 years ago and is at/approaching
recomended TBO. In reality, it has no real-world value other than
maybe being a core engine.

Somebody would probably be able to answer some of your questions at
one of these facilities (in no particular order):

http://www.zephyrengines.com/homepage.html

http://www.gnaircraft.com/

http://www.overhaul.com/

http://www.aircraftoverhauls.com/

http://www.lycon.com/

http://www.menaaircraftengines.com/

http://www.mattituck.com/

http://www.firewallforward.com/

http://www.westernskyways.com/

http://www.victor-aviation.com/nav.shtml?company.shtml

http://www.airmarkoverhaul.com/

http://www.pennyanaero.com/

http://www.factoryengines.com/

Assuming that even if I get another 500 hours out of this 360-K, I
would like to know what total costs will be involved in swapping out
for a 360-KB? Any one recently gone through this with their XP?


For the most part, an engine change is an engine change is an engine
change. The dollars are in the details.

Are you going to repair/renew baffling? Repair/replace exhaust
components? New hoses? Re-work the engine mount?

Some might need a couple more hoses, some might need a few less. Some
engine shock mounts are more $$, some are less $$.

I am not trying to discourage you, or muddy the waters-the odds of
someone posting here that has recently had a 360K converted to a KB
and hung on an XP are pretty slim.

Honestly, I didn't think there were that many K (as in non-KB) engines
still flying around.

TC


If you want to upgrade it to a -KB, you should plan on a factory re-
man.

This will prove to be the only economical approach. Why? Because
the factory gets a deal on the expensive pieces required that the
overhauler
guy doesn't! Another option would be to find a partially runout -KB.
Probably more cost effective.

Bill H.