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Date: Sat, 19 Dec 1998 00:58:43 -0600
From: Snowbird <snbird@ibm.net>
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Subject: Re: TBO cost on a 172
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Michael wrote:

[re engine overhaul]
> 250 hrs later and not a hint of a squawk.  Sure you can pay more, but
> you won't get anything for it.  Given what some of my friends went
> through after getting factory remans, what you especially won't get
> is peace of mind.

Your point that factory overhaul/reman is no guarantee of trouble
free TBO is well taken but....

> One old time mechanic who knows what he's doing beats five factory
> remans.

While I hope you're correct, from what I've heard 250 hrs of 
squawk free operation is not enough to determine the quality of
an overhaul either.  As one cynical overhauler of my acquaintance
puts it, "anyone can put together an engine so it'll run for 2-300
hrs, it's if it'll get to TBO that's the question"

So I hope you will be posting in several years about how your
splendid local shop overhaul went trouble free to 2000 hrs
(or whatever its TBO is).  But if I were looking at a local
shop, I'd want to talk to a couple people who had 1000, 1500,
TBO on an engine this guy had put together.

Another factor to consider, I know someone who got an overhaul
she's happy with from her local mechanic.  But she got her
crankshaft from Nelson.  Her overhauler won't cover it--either
the new crankshaft, or the labor to replace it.  She asked Penn
Yan Aero and was told, they would have stood behind it parts
and labor.  

I don't think peace of mind and aircraft ownership go together.
You make the choices which seem best at the time and go from there.

Snowbird


