RV10-List Digest Archive

Thu 05/04/17


Total Messages Posted: 9



Today's Message Index:
----------------------
 
     1. 06:35 AM - Re: cowl heat (Bill Boyd)
     2. 09:23 AM - Re: cowl heat (Bill Watson)
     3. 09:43 AM - Re: cowl heat (Jesse Saint)
     4. 10:13 AM - Re: cowl heat (Tim Olson)
     5. 10:19 AM - Re: cowl heat (Tcwtech)
     6. 10:29 AM - Re: cowl heat (William Greenley)
     7. 10:32 AM - Re: cowl heat (Rene)
     8. 10:42 AM - Re: cowl heat (Rene)
     9. 11:15 AM - Re: cowl heat (Bob-tcw)
 
 
 


Message 1


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    Time: 06:35:04 AM PST US
    From: Bill Boyd <sportav8r@gmail.com>
    Subject: Re: cowl heat
    Jesse, should this be stick-on reflective foil or does it need some backing layer or a stand-off air gap to be effective? -Bill On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com> wrote: > > I have seen this on a number of planes that do not have heat shield in > those areas. The inside of the cowl turns brown, then black, then starts to > delaminate on the inside, then starts to delaminate on the outside. I have > seen all stages of this. Remove the delaminates part, lay up new glass to > cover that area with an overlap of the surrounding areas, then add heat > shield after it cures. > > Jesse Saint > Saint Aviation, Inc. > 352-427-0285 > jesse@saintaviation.com > > Sent from my iPad > > > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com> wrote: > > > > just recently discovered (1200TT) that the lower cowl has three areas of > delaminated > > fiberglass. Preparing for the repair I found a thin honeycomb and > reportedly 5 layers of glass. > > The areas of delamination seemed to be directly below the three in one > connection to the heat muff and the exhaust tube of #6. Has anyone else > experienced this problem? possibly the higher temperatures of the > Southwestern USA are to blame. I have been opening the oil door after each > landing to keep the under cowl temperatures under control. > > > >


    Message 2


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    Time: 09:23:52 AM PST US
    Subject: Re: cowl heat
    From: Bill Watson <Mauledriver@nc.rr.com>
    I experienced the burn problem. Once repaired, I used Thermo-Guard FR <https://www.aircraftspruce.com/catalog/eppages/thermoguard.php?clickkey=25931> There is a reflective layer and some kind of insulating padding (air gap). There have been no signs of further damage several hundred hours later. In my unqualified opinion, I beleive that a reflective only shield would work fine. But I have no experience to bear that out. Bill On 5/4/2017 9:34 AM, Bill Boyd wrote: > Jesse, should this be stick-on reflective foil or does it need some > backing layer or a stand-off air gap to be effective? > > -Bill > > On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com > <mailto:jesse@saintaviation.com>> wrote: > > <jesse@saintaviation.com <mailto:jesse@saintaviation.com>> > > I have seen this on a number of planes that do not have heat > shield in those areas. The inside of the cowl turns brown, then > black, then starts to delaminate on the inside, then starts to > delaminate on the outside. I have seen all stages of this. Remove > the delaminates part, lay up new glass to cover that area with an > overlap of the surrounding areas, then add heat shield after it cures. > > Jesse Saint > Saint Aviation, Inc. > 352-427-0285 <tel:352-427-0285> > jesse@saintaviation.com <mailto:jesse@saintaviation.com> > > Sent from my iPad > > > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com > <mailto:dlm34077@gmail.com>> wrote: > > > > just recently discovered (1200TT) that the lower cowl has three > areas of delaminated > > fiberglass. Preparing for the repair I found a thin honeycomb > and reportedly 5 layers of glass. > > The areas of delamination seemed to be directly below the three > in one connection to the heat muff and the exhaust tube of #6. Has > anyone else experienced this problem? possibly the higher > temperatures of the Southwestern USA are to blame. I have been > opening the oil door after each landing to keep the under cowl > temperatures under control. > > > > > =================================== > -List" rel="noreferrer" > target="_blank">http://www.matronics.com/Navigator?RV10-List > =================================== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com > =================================== > WIKI - > errer" target="_blank">http://wiki.matronics.com > =================================== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > =================================== > > --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus


    Message 3


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    Time: 09:43:06 AM PST US
    From: Jesse Saint <jesse@saintaviation.com>
    Subject: Re: cowl heat
    The stick-on reflective foil is sufficient to prevent the delamination. Other types of material may protect the fiberglass better, but I can =99t speak to that. Jesse Saint Saint Aviation, Inc. jesse@saintaviation.com C: 352-427-0285 F: 815-377-3694 > On May 4, 2017, at 9:34 AM, Bill Boyd <sportav8r@gmail.com> wrote: > > Jesse, should this be stick-on reflective foil or does it need some backing layer or a stand-off air gap to be effective? > > -Bill > > On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com <mailto:jesse@saintaviation.com>> wrote: <mailto:jesse@saintaviation.com>> > > I have seen this on a number of planes that do not have heat shield in those areas. The inside of the cowl turns brown, then black, then starts to delaminate on the inside, then starts to delaminate on the outside. I have seen all stages of this. Remove the delaminates part, lay up new glass to cover that area with an overlap of the surrounding areas, then add heat shield after it cures. > > Jesse Saint > Saint Aviation, Inc. > 352-427-0285 <tel:352-427-0285> > jesse@saintaviation.com <mailto:jesse@saintaviation.com> > > Sent from my iPad > > > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com <mailto:dlm34077@gmail.com>> wrote: > > > > just recently discovered (1200TT) that the lower cowl has three areas of delaminated > > fiberglass. Preparing for the repair I found a thin honeycomb and reportedly 5 layers of glass. > > The areas of delamination seemed to be directly below the three in one connection to the heat muff and the exhaust tube of #6. Has anyone else experienced this problem? possibly the higher temperatures of the Southwestern USA are to blame. I have been opening the oil door after each landing to keep the under cowl temperatures under control. > > > > > ======================== =========== > -List" rel="noreferrer" target="_blank">http://www.matronics.com/ <http://www.matronics.com/Navigator?RV10-List>Navigator?RV10-List <http://www.matronics.com/Navigator?RV10-List> > ======================== =========== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com <http://forums.matronics.com/> > ======================== =========== > WIKI - > errer" target="_blank">http://wiki.matronics.com <http://wiki.matronics.com/> > ======================== =========== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/ <http://www.matronics.com/contribution>contribution <http://www.matronics.com/contribution> > ======================== ===========


    Message 4


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    Time: 10:13:14 AM PST US
    Subject: Re: cowl heat
    From: Tim Olson <Tim@MyRV10.com>
    I've had no issues with just reflective stick-on foil. If you can do that all over and add a patch with the insulated backing near the very closest areas, you would maybe even be better off, but I have no complaints with what I have. Tim On 5/4/2017 11:23 AM, Bill Watson wrote: > I experienced the burn problem. Once repaired, I used Thermo-Guard FR > <https://www.aircraftspruce.com/catalog/eppages/thermoguard.php?clickkey=25931> > There is a reflective layer and some kind of insulating padding (air > gap). There have been no signs of further damage several hundred hours > later. > > In my unqualified opinion, I beleive that a reflective only shield would > work fine. But I have no experience to bear that out. > > Bill > On 5/4/2017 9:34 AM, Bill Boyd wrote: >> Jesse, should this be stick-on reflective foil or does it need some >> backing layer or a stand-off air gap to be effective? >> >> -Bill >>


    Message 5


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    Time: 10:19:41 AM PST US
    From: Tcwtech <rnewman@tcwtech.com>
    Subject: Re: cowl heat
    I have the adhesive backed aluminum foil on the lower cowl. 400 hrs and no t rouble with delamination or any other heat related defects. It was easy a nd effective. Bob Newman TCW Technologies, LLC 610-928-3420 > On May 4, 2017, at 12:40 PM, Jesse Saint <jesse@saintaviation.com> wrote: > > The stick-on reflective foil is sufficient to prevent the delamination. Ot her types of material may protect the fiberglass better, but I can=99t speak to that. > > Jesse Saint > Saint Aviation, Inc. > jesse@saintaviation.com > C: 352-427-0285 > F: 815-377-3694 > >> On May 4, 2017, at 9:34 AM, Bill Boyd <sportav8r@gmail.com> wrote: >> >> Jesse, should this be stick-on reflective foil or does it need some backi ng layer or a stand-off air gap to be effective? >> >> -Bill >> >>> On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com> w rote: >>> >>> I have seen this on a number of planes that do not have heat shield in t hose areas. The inside of the cowl turns brown, then black, then starts to d elaminate on the inside, then starts to delaminate on the outside. I have se en all stages of this. Remove the delaminates part, lay up new glass to cove r that area with an overlap of the surrounding areas, then add heat shield a fter it cures. >>> >>> Jesse Saint >>> Saint Aviation, Inc. >>> 352-427-0285 >>> jesse@saintaviation.com >>> >>> Sent from my iPad >>> >>> > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com> wrote: >>> > >>> > just recently discovered (1200TT) that the lower cowl has three areas o f delaminated >>> > fiberglass. Preparing for the repair I found a thin honeycomb and repo rtedly 5 layers of glass. >>> > The areas of delamination seemed to be directly below the three in on e connection to the heat muff and the exhaust tube of #6. Has anyone else ex perienced this problem? possibly the higher temperatures of the Southwestern USA are to blame. I have been opening the oil door after each landing to ke ep the under cowl temperatures under control. >>> > >>> >>> >>> ======================== =========== >>> -List" rel="noreferrer" target="_blank">http://www.matronics.com/Nav igator?RV10-List >>> ======================== =========== >>> FORUMS - >>> eferrer" target="_blank">http://forums.matronics.com >>> ======================== =========== >>> WIKI - >>> errer" target="_blank">http://wiki.matronics.com >>> ======================== =========== >>> b Site - >>> -Matt Dralle, List Admin. >>> rel="noreferrer" target="_blank">http://www.matronics.com/contributi on >>> ======================== =========== >


    Message 6


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    Time: 10:29:25 AM PST US
    From: William Greenley <wgreenley@gmail.com>
    Subject: Re: cowl heat
    How did you finish the interior of your cowl before applying foil? On Thu, May 4, 2017 at 1:19 PM, Tcwtech <rnewman@tcwtech.com> wrote: > I have the adhesive backed aluminum foil on the lower cowl. 400 hrs and > no trouble with delamination or any other heat related defects. It was > easy and effective. > > Bob Newman > TCW Technologies, LLC > 610-928-3420 <(610)%20928-3420> > > On May 4, 2017, at 12:40 PM, Jesse Saint <jesse@saintaviation.com> wrote: > > The stick-on reflective foil is sufficient to prevent the delamination. > Other types of material may protect the fiberglass better, but I can =99t > speak to that. > > Jesse Saint > Saint Aviation, Inc. > jesse@saintaviation.com > C: 352-427-0285 <(352)%20427-0285> > F: 815-377-3694 <(815)%20377-3694> > > On May 4, 2017, at 9:34 AM, Bill Boyd <sportav8r@gmail.com> wrote: > > Jesse, should this be stick-on reflective foil or does it need some > backing layer or a stand-off air gap to be effective? > > -Bill > > On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com> > wrote: > >> >> I have seen this on a number of planes that do not have heat shield in >> those areas. The inside of the cowl turns brown, then black, then starts to >> delaminate on the inside, then starts to delaminate on the outside. I ha ve >> seen all stages of this. Remove the delaminates part, lay up new glass t o >> cover that area with an overlap of the surrounding areas, then add heat >> shield after it cures. >> >> Jesse Saint >> Saint Aviation, Inc. >> 352-427-0285 >> jesse@saintaviation.com >> >> Sent from my iPad >> >> > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com> wrote: >> > >> > just recently discovered (1200TT) that the lower cowl has three areas >> of delaminated >> > fiberglass. Preparing for the repair I found a thin honeycomb and >> reportedly 5 layers of glass. >> > The areas of delamination seemed to be directly below the three in on e >> connection to the heat muff and the exhaust tube of #6. Has anyone else >> experienced this problem? possibly the higher temperatures of the >> Southwestern USA are to blame. I have been opening the oil door after ea ch >> landing to keep the under cowl temperatures under control. >> > >> >> >> ======================== =========== >> -List" rel="noreferrer" target="_blank">http://www.matronics.com/ >> <http://www.matronics.com/Navigator?RV10-List>Navigator?RV10-List >> <http://www.matronics.com/Navigator?RV10-List> >> ======================== =========== >> FORUMS - >> eferrer" target="_blank">http://forums.matronics.com >> ======================== =========== >> WIKI - >> errer" target="_blank">http://wiki.matronics.com >> ======================== =========== >> b Site - >> -Matt Dralle, List Admin. >> rel="noreferrer" target="_blank">http://www.matronics.com/ >> <http://www.matronics.com/contribution>contribution >> <http://www.matronics.com/contribution> >> ======================== =========== > >


    Message 7


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    Time: 10:32:31 AM PST US
    From: "Rene" <rene@felker.com>
    Subject: cowl heat
    Same here. >650 hrs. Rene' 801-721-6080 From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tcwtech Sent: Thursday, May 04, 2017 11:19 AM Subject: Re: RV10-List: cowl heat I have the adhesive backed aluminum foil on the lower cowl. 400 hrs and no trouble with delamination or any other heat related defects. It was easy and effective. Bob Newman TCW Technologies, LLC 610-928-3420 On May 4, 2017, at 12:40 PM, Jesse Saint <jesse@saintaviation.com <mailto:jesse@saintaviation.com> > wrote: The stick-on reflective foil is sufficient to prevent the delamination. Other types of material may protect the fiberglass better, but I can=99t speak to that. Jesse Saint Saint Aviation, Inc. jesse@saintaviation.com <mailto:jesse@saintaviation.com> C: 352-427-0285 F: 815-377-3694 On May 4, 2017, at 9:34 AM, Bill Boyd <sportav8r@gmail.com <mailto:sportav8r@gmail.com> > wrote: Jesse, should this be stick-on reflective foil or does it need some backing layer or a stand-off air gap to be effective? -Bill On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com <mailto:jesse@saintaviation.com> > wrote: <mailto:jesse@saintaviation.com> > I have seen this on a number of planes that do not have heat shield in those areas. The inside of the cowl turns brown, then black, then starts to delaminate on the inside, then starts to delaminate on the outside. I have seen all stages of this. Remove the delaminates part, lay up new glass to cover that area with an overlap of the surrounding areas, then add heat shield after it cures. Jesse Saint Saint Aviation, Inc. 352-427-0285 <tel:352-427-0285> jesse@saintaviation.com <mailto:jesse@saintaviation.com> Sent from my iPad > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com <mailto:dlm34077@gmail.com> > wrote: > > just recently discovered (1200TT) that the lower cowl has three areas of delaminated > fiberglass. Preparing for the repair I found a thin honeycomb and reportedly 5 layers of glass. > The areas of delamination seemed to be directly below the three in one connection to the heat muff and the exhaust tube of #6. Has anyone else experienced this problem? possibly the higher temperatures of the Southwestern USA are to blame. I have been opening the oil door after each landing to keep the under cowl temperatures under control. > -List" rel="noreferrer" target="_blank">http://www.matronics.com/ <http://www.matronics.com/Navigator?RV10-List> Navigator?RV10-List <http://www.matronics.com/Navigator?RV10-List> FORUMS - eferrer" target="_blank">http://forums.matronics.com <http://forums.matronics.com/> WIKI - errer" target="_blank">http://wiki.matronics.com <http://wiki.matronics.com/> b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/ <http://www.matronics.com/contribution> contribution <http://www.matronics.com/contribution>


    Message 8


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    Time: 10:42:23 AM PST US
    From: "Rene" <rene@felker.com>
    Subject: cowl heat
    Several coats of thinned epoxy. Degreaser at the end. Rene' 801-721-6080 From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of William Greenley Sent: Thursday, May 04, 2017 11:29 AM Subject: Re: RV10-List: cowl heat How did you finish the interior of your cowl before applying foil? On Thu, May 4, 2017 at 1:19 PM, Tcwtech <rnewman@tcwtech.com <mailto:rnewman@tcwtech.com> > wrote: I have the adhesive backed aluminum foil on the lower cowl. 400 hrs and no trouble with delamination or any other heat related defects. It was easy and effective. Bob Newman TCW Technologies, LLC 610-928-3420 <tel:(610)%20928-3420> On May 4, 2017, at 12:40 PM, Jesse Saint <jesse@saintaviation.com <mailto:jesse@saintaviation.com> > wrote: The stick-on reflective foil is sufficient to prevent the delamination. Other types of material may protect the fiberglass better, but I can=99t speak to that. Jesse Saint Saint Aviation, Inc. jesse@saintaviation.com <mailto:jesse@saintaviation.com> C: 352-427-0285 <tel:(352)%20427-0285> F: 815-377-3694 <tel:(815)%20377-3694> On May 4, 2017, at 9:34 AM, Bill Boyd <sportav8r@gmail.com <mailto:sportav8r@gmail.com> > wrote: Jesse, should this be stick-on reflective foil or does it need some backing layer or a stand-off air gap to be effective? -Bill On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com <mailto:jesse@saintaviation.com> > wrote: <mailto:jesse@saintaviation.com> > I have seen this on a number of planes that do not have heat shield in those areas. The inside of the cowl turns brown, then black, then starts to delaminate on the inside, then starts to delaminate on the outside. I have seen all stages of this. Remove the delaminates part, lay up new glass to cover that area with an overlap of the surrounding areas, then add heat shield after it cures. Jesse Saint Saint Aviation, Inc. 352-427-0285 <tel:352-427-0285> jesse@saintaviation.com <mailto:jesse@saintaviation.com> Sent from my iPad > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com <mailto:dlm34077@gmail.com> > wrote: > > just recently discovered (1200TT) that the lower cowl has three areas of delaminated > fiberglass. Preparing for the repair I found a thin honeycomb and reportedly 5 layers of glass. > The areas of delamination seemed to be directly below the three in one connection to the heat muff and the exhaust tube of #6. Has anyone else experienced this problem? possibly the higher temperatures of the Southwestern USA are to blame. I have been opening the oil door after each landing to keep the under cowl temperatures under control. > -List" rel="noreferrer" target="_blank">http://www.matronics.com/ <http://www.matronics.com/Navigator?RV10-List> Navigator?RV10-List <http://www.matronics.com/Navigator?RV10-List> FORUMS - eferrer" target="_blank">http://forums.matronics.com <http://forums.matronics.com/> WIKI - errer" target="_blank">http://wiki.matronics.com <http://wiki.matronics.com/> b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/ <http://www.matronics.com/contribution> contribution <http://www.matronics.com/contribution>


    Message 9


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    Time: 11:15:33 AM PST US
    From: "Bob-tcw" <rnewman@tcwtech.com>
    Subject: Re: cowl heat
    A coat of thinned epoxy and then I actually just had my painter shoot a coat of white inside the whole cowl. That way any area that didn=99t get foil would still look nice and clean up easily. Works as anticipated. -Bob From: William Greenley Sent: Thursday, May 04, 2017 1:28 PM Subject: Re: RV10-List: cowl heat How did you finish the interior of your cowl before applying foil? On Thu, May 4, 2017 at 1:19 PM, Tcwtech <rnewman@tcwtech.com> wrote: I have the adhesive backed aluminum foil on the lower cowl. 400 hrs and no trouble with delamination or any other heat related defects. It was easy and effective. Bob Newman TCW Technologies, LLC 610-928-3420 On May 4, 2017, at 12:40 PM, Jesse Saint <jesse@saintaviation.com> wrote: The stick-on reflective foil is sufficient to prevent the delamination. Other types of material may protect the fiberglass better, but I can=99t speak to that. Jesse Saint Saint Aviation, Inc. jesse@saintaviation.com C: 352-427-0285 F: 815-377-3694 On May 4, 2017, at 9:34 AM, Bill Boyd <sportav8r@gmail.com> wrote: Jesse, should this be stick-on reflective foil or does it need some backing layer or a stand-off air gap to be effective? -Bill On Wed, May 3, 2017 at 10:13 PM, Jesse Saint <jesse@saintaviation.com> wrote: <jesse@saintaviation.com> I have seen this on a number of planes that do not have heat shield in those areas. The inside of the cowl turns brown, then black, then starts to delaminate on the inside, then starts to delaminate on the outside. I have seen all stages of this. Remove the delaminates part, lay up new glass to cover that area with an overlap of the surrounding areas, then add heat shield after it cures. Jesse Saint Saint Aviation, Inc. 352-427-0285 jesse@saintaviation.com Sent from my iPad > On May 3, 2017, at 9:57 PM, dlm <dlm34077@gmail.com> wrote: > > just recently discovered (1200TT) that the lower cowl has three areas of delaminated > fiberglass. Preparing for the repair I found a thin honeycomb and reportedly 5 layers of glass. > The areas of delamination seemed to be directly below the three in one connection to the heat muff and the exhaust tube of #6. Has anyone else experienced this problem? possibly the higher temperatures of the Southwestern USA are to blame. I have been opening the oil door after each landing to keep the under cowl temperatures under control. > -List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?RV10-List FORUMS - eferrer" target="_blank">http://forums.matronics.com WIKI - errer" target="_blank">http://wiki.matronics.com b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution




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