Today's Message Index:
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1. 02:46 PM - Prop strike - by a hangar door (Ralph E. Capen)
2. 03:27 PM - Re: Prop strike - by a hangar door (n801bh@netzero.com)
3. 07:54 PM - Re: [SUSPECTED SPAM] Re: Prop strike - by a hangar door (Kelly McMullen)
4. 08:16 PM - Re: [SUSPECTED SPAM] Re: Prop strike - by a hangar door (mr.gsun@gmail.com)
Message 1
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Subject: | Prop strike - by a hangar door |
Here's my scenario:
We had a tornado at my local airport - looks like the sliding hangar door
was pushed in to the prop (MT 3 blade Hydraulic CS) of my plane. It was in
the hangar at the time - not running - just sitting there innocently in its
chocks. The first look -see didn't reveal any obvious damage - closer
inspection made a difference. I can see damage to the spinner and the lower
two blades wobble not so nicely as compared to the rock solid top one.
At a minimum, I'm thinking the prop gets rebuilt.
I'm concerned about impact damage to the front of the engine. What could
have been damaged? Would it be worth my while to have someone put a dial
indicator to the prop flange? What would be your suggestion to determine if
it needs to be torn apart and measured? I haven't tried rotating it through
yet - in case I could make things worse.
Full inspection tomorrow - this was just what came from the first look
through.
Your thoughts please,
Ralph Capen
410-430-1344
Message 2
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Subject: | Re: Prop strike - by a hangar door |
Pull the prop... Dial Indicate the crank flange.... If it is ok, which I
bet 100 bucks it will be, send the prop out for an IRAN... With the mot
or not running you would literally have to break off the blades to bend
the flange of the crank..... Ps.. call your insurance guy first to see w
hat their protocol is though... IMHO.
do not archive
Ben Haas
N801BH
www.haaspowerair.com
---------- Original Message ----------
From: "Ralph E. Capen" <recapen@earthlink.net>
Subject: RV-List: Prop strike - by a hangar door
Here=92s my scenario:<?xml:namespace prefix = o ns = "urn:schemas-mi
crosoft-com:office:office" />
We had a tornado at my local airport ' looks like the sliding hangar d
oor was pushed in to the prop (MT 3 blade Hydraulic CS) of my plane. It
was in the hangar at the time ' not running ' just sitting there in
nocently in its chocks. The first look 'see didn=92t reveal any obvio
us damage ' closer inspection made a difference. I can see damage to
the spinner and the lower two blades wobble not so nicely as compared to
the rock solid top one.
At a minimum, I=92m thinking the prop gets rebuilt.
I=92m concerned about impact damage to the front of the engine. What co
uld have been damaged? Would it be worth my while to have someone put a
dial indicator to the prop flange? What would be your suggestion to de
termine if it needs to be torn apart and measured? I haven=92t tried ro
tating it through yet ' in case I could make things worse.
Full inspection tomorrow ' this was just what came from the first look
through.
Your thoughts please,
Ralph Capen
410-430-1344
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Mortgage Rates 3.219% APR
http://thirdpartyoffers.netzero.net/TGL3241/4fee2b1a7243f2b1a0d21st52vuc
Message 3
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Subject: | Re: Prop strike - by a hangar door |
Well, if it was a certified engine, and you wanted to keep it certified,
there is an AD that requires teardown inspection for any prop strike
that damages a prop, among other things. Your insurance should have no
problem paying for the teardown and reassembly. There also is an AD
requiring replacement of the crankshaft gear bolt on the back of the
engine. These ADs exist because of engine failures after prop strikes.
The old dial the crank flange and put a fresh prop on has proven to be
NOT SAFE. Yes, you can ignore them with an "experimental" engine, but do
you want to include a crank failure in your experiments?
Kelly
A&P/IA
EAA Tech Counselor
On 6/29/2012 3:23 PM, n801bh@netzero.com wrote:
>
> Pull the prop... Dial Indicate the crank flange.... If it is ok, which
> I bet 100 bucks it will be, send the prop out for an IRAN... With the
> motor not running you would literally have to break off the blades to
> bend the flange of the crank..... Ps.. call your insurance guy first
> to see what their protocol is though... IMHO.
>
> do not archive
>
>
> Ben Haas
> N801BH
> www.haaspowerair.com
>
> ---------- Original Message ----------
> From: "Ralph E. Capen" <recapen@earthlink.net>
> To: <Lycoming-list@matronics.com>, <rv-list@matronics.com>
> Subject: RV-List: Prop strike - by a hangar door
> Date: Fri, 29 Jun 2012 17:45:41 -0400
>
> Heres my scenario:
>
> We had a tornado at my local airport looks like the sliding hangar
> door was pushed in to the prop (MT 3 blade Hydraulic CS) of my plane.
> It was in the hangar at the time not running just sitting there
> innocently in its chocks. The first look see didnt reveal any
> obvious damage closer inspection made a difference. I can see
> damage to the spinner and the lower two blades wobble not so nicely as
> compared to the rock solid top one.
>
> At a minimum, Im thinking the prop gets rebuilt.
>
> Im concerned about impact damage to the front of the engine. What
> could have been damaged? Would it be worth my while to have someone
> put a dial indicator to the prop flange? What would be your
> suggestion to determine if it needs to be torn apart and measured? I
> havent tried rotating it through yet in case I could make things worse.
>
> Full inspection tomorrow this was just what came from the first look
> through.
>
> Your thoughts please,
>
> Ralph Capen
>
> 410-430-1344
>
> *
>
> ===================================
> tp://www.matronics.com/Navigator?RV-List
> ===================================
> tronics.com
> ===================================
> www.matronics.com/contribution
> ===================================
>
> *
>
>
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> *Mortgage Rates 3.219% APR*
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> *
-----
No virus found in this message.
Checked by AVG - www.avg.com
Message 4
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Subject: | Re: Prop strike - by a hangar door |
Greg
On Jun 29, 2012 7:58 PM, "Kelly McMullen" <kellym@aviating.com> wrote:
>
> Well, if it was a certified engine, and you wanted to keep it certified,
> there is an AD that requires teardown inspection for any prop strike that
> damages a prop, among other things. Your insurance should have no problem
> paying for the teardown and reassembly. There also is an AD requiring
> replacement of the crankshaft gear bolt on the back of the engine. These
> ADs exist because of engine failures after prop strikes. The old dial the
> crank flange and put a fresh prop on has proven to be NOT SAFE. Yes, you
> can ignore them with an "experimental" engine, but do you want to include
a
> crank failure in your experiments?
> Kelly
> A&P/IA
> EAA Tech Counselor
>
> On 6/29/2012 3:23 PM, n801bh@netzero.com wrote:
>
>>
>> Pull the prop... Dial Indicate the crank flange.... If it is ok, which I
>> bet 100 bucks it will be, send the prop out for an IRAN... With the moto
r
>> not running you would literally have to break off the blades to bend the
>> flange of the crank..... Ps.. call your insurance guy first to see what
>> their protocol is though... IMHO.
>>
>> do not archive
>>
>>
>> Ben Haas
>> N801BH
>> www.haaspowerair.com
>>
>> ---------- Original Message ----------
>> From: "Ralph E. Capen" <recapen@earthlink.net>
>> To: <Lycoming-list@matronics.com>, <rv-list@matronics.com>
>> Subject: RV-List: Prop strike - by a hangar door
>> Date: Fri, 29 Jun 2012 17:45:41 -0400
>>
>> Here=92s my scenario:
>>
>> We had a tornado at my local airport ' looks like the sliding hangar d
oor
>> was pushed in to the prop (MT 3 blade Hydraulic CS) of my plane. It was
in
>> the hangar at the time ' not running ' just sitting there innocently
in its
>> chocks. The first look 'see didn=92t reveal any obvious damage ' cl
oser
>> inspection made a difference. I can see damage to the spinner and the
>> lower two blades wobble not so nicely as compared to the rock solid top
one.
>>
>> At a minimum, I=92m thinking the prop gets rebuilt.
>>
>> I=92m concerned about impact damage to the front of the engine. What co
uld
>> have been damaged? Would it be worth my while to have someone put a dia
l
>> indicator to the prop flange? What would be your suggestion to determin
e
>> if it needs to be torn apart and measured? I haven=92t tried rotating i
t
>> through yet ' in case I could make things worse.
>>
>> Full inspection tomorrow ' this was just what came from the first look
>> through.
>>
>> Your thoughts please,
>>
>> Ralph Capen
>>
>> 410-430-1344
>>
>> *
>>
>> ========================
======**=====
>> tp://www.matronics.com/**Navigator?RV-List<http://www.matronics.com/Navi
gator?RV-List>
>> ========================
======**=====
>> tronics.com
>> ========================
======**=====
>> www.matronics.com/contribution
>> ========================
======**=====
>>
>> *
>>
>>
>> ______________________________**______________________________
>> *Mortgage Rates 3.219% APR*
>> <http://thirdpartyoffers.**netzero.net/TGL3242/**
>> 4fee2b1a7243f2b1a0d21st52vuc<http://thirdpartyoffers.netzero.net/TGL3242
/4fee2b1a7243f2b1a0d21st52vuc>
>> >s**martlifeweekly.com <http://smartlifeweekly.com> <
>> http://thirdpartyoffers.**netzero.net/TGL3242/**
>> 4fee2b1a7243f2b1a0d21st52vuc<http://thirdpartyoffers.netzero.net/TGL3242
/4fee2b1a7243f2b1a0d21st52vuc>>
>>
>> *
>>
>>
>> *
>>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
>
>
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