RV-List Digest Archive

Fri 06/29/12


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     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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    Time: 02:46:57 PM PST US
    From: "Ralph E. Capen" <recapen@earthlink.net>
    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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    Time: 03:27:10 PM PST US
    From: "n801bh@netzero.com" <n801bh@netzero.com>
    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 ======================== ======================== ======================== ======================== ======================== ======================== ======================== ======= ____________________________________________________________ Mortgage Rates 3.219% APR http://thirdpartyoffers.netzero.net/TGL3241/4fee2b1a7243f2b1a0d21st52vuc


    Message 3


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    Time: 07:54:00 PM PST US
    From: Kelly McMullen <kellym@aviating.com>
    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 > =================================== > > * > > > ____________________________________________________________ > *Mortgage Rates 3.219% APR* > <http://thirdpartyoffers.netzero.net/TGL3242/4fee2b1a7243f2b1a0d21st52vuc>smartlifeweekly.com > <http://thirdpartyoffers.netzero.net/TGL3242/4fee2b1a7243f2b1a0d21st52vuc> > > * > > > * ----- No virus found in this message. Checked by AVG - www.avg.com


    Message 4


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    Time: 08:16:07 PM PST US
    Subject: Re: Prop strike - by a hangar door
    From: mr.gsun@gmail.com
    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 > > =====**=================== ===========**= nics.com/Navigator?RV-List> =====**=================== ===========**= =====**=================== ===========**= com/contribution> =====**=================== ===========**= > >




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