---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Mon 08/15/16: 7 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:50 AM - Woodcomp ?? (=?utf-8?Q?Gert_Dalgaard_S=C3=B8rensen?=) 2. 07:00 AM - Re: Woodcomp ?? (Karl Heindl) 3. 07:54 AM - Re: Europa-List Digest: 4 Msgs - 08/14/16 (John Wigney) 4. 09:38 AM - Re: Powder Coating Tailwheel Spring (Erich Trombley) 5. 12:16 PM - Re: Re: Powder Coating Tailwheel Spring (Jerry Rehn) 6. 12:16 PM - Re: Powder Coating Tailwheel Spring (Dave Disney) 7. 12:18 PM - Re: Re: Powder Coating Tailwheel Spring (Bud Yerly) ________________________________ Message 1 _____________________________________ Time: 06:50:56 AM PST US Subject: Europa-List: Woodcomp ?? From: =?utf-8?Q?Gert_Dalgaard_S=C3=B8rensen?= Hi Tried to get in contact with mr. Holoubek, Woodcomp in Czech via mail, cell and phone without result - http://www.woodcomp.cz/#contact Anoyone who knows more than I do ?? Regards Gert Dalgaard OY-GDS / Mono / 914 / Woodcomp ________________________________ Message 2 _____________________________________ Time: 07:00:21 AM PST US From: Karl Heindl Subject: Re: Europa-List: Woodcomp ?? Can't help you. I sent 5 emails a few weeks ago requesting urgent help. Had zero replies. Useless customer service. His secretary answered one saying he was on holiday. Karl ________________________________ From: owner-europa-list-server@matronics.com on behalf of Gert Dalgaard S=F8rensen Sent: 15 August 2016 14:49:49 Subject: Europa-List: Woodcomp ?? sen?= Hi Tried to get in contact with mr. Holoubek, Woodcomp in Czech via mail, cell and phone without result - http://www.woodcomp.cz/#contact Anoyone who knows more than I do =85 ?? Regards Gert Dalgaard OY-GDS / Mono / 914 / Woodcomp ________________________________ Message 3 _____________________________________ Time: 07:54:20 AM PST US Subject: Europa-List: Re: Europa-List Digest: 4 Msgs - 08/14/16 From: John Wigney Hi Erich, I powder coated my tailwheel spring in the year 2000. I have no idea what temperature was used in the oven but I have found no ill effects over 980 hours of flying and ~1400 landings. (Some quite hard!) If I did this over again I would probably nickel plate the spring noting that it is good practice to have an initial flash coat of copper before the nickel. Cheers, John N262WF ORIGINAL MESSAGE > From: Erich Trombley > Subject: Europa-List: Powder Coating Tailwheel Spring > > > Hello all, > > Does anyone have any experience with powder coating their Tailwheel Spring? Is > there a concern about the oven temp necessary to melt the powder and the potential > affect on the temper of the steel. I see that they are now producing some > low melt temp powders (340 deg F.). However, I do not know what temperature > the spring was temped at. I suspect much higher, probably around 500 deg F., > Although, I would rather not guess. Thoughts? > > Blue skies, > Erich Trombley > N28ET Classic Mono 914 > ________________________________ Message 4 _____________________________________ Time: 09:38:08 AM PST US From: "Erich Trombley" Subject: Europa-List: Re: Powder Coating Tailwheel Spring Good day, Thanks to everyone for your responses on powder coating. I al so received a response suggesting nickel plating instead of powder coati ng. This would be my preferred choice if flexing of the tailwheel sprin g won't cause the plating to flake off. Thoughts? Erich ____________________________________________________________ EverydayLivingHealth 62-Year-Old Surprises Husband, Cries After Seeing Makeover http://thirdpartyoffers.juno.com/TGL3131/57b1ef4a9105a6f4a4098st01vuc ________________________________ Message 5 _____________________________________ Time: 12:16:21 PM PST US From: Jerry Rehn Subject: Re: Europa-List: Re: Powder Coating Tailwheel Spring Want to keep it simple? Paint it, then cover with clear prop tape, keeps the paint from dings, inexpensive, flexible, lasts. Jerry Sent from my iPad > On Aug 15, 2016, at 9:34 AM, Erich Trombley wrot e: > > Good day, > > Thanks to everyone for your responses on powder coating. I also received a response suggesting nickel plating instead of powder coating. This would b e my preferred choice if flexing of the tailwheel spring won't cause the pla ting to flake off. Thoughts? > > Erich > > > ____________________________________________________________ > EverydayLivingHealth > 62-Year-Old Surprises Husband, Cries After Seeing Makeover > http://thirdpartyoffers.juno.com/TGL3132/57b1ef4a9105a6f4a4098st01vuc ________________________________ Message 6 _____________________________________ Time: 12:16:34 PM PST US Subject: Europa-List: Re: Powder Coating Tailwheel Spring From: "Dave Disney" Hi Erich, As an alternative, I've re-sprayed mine and then covered it with 3M 8672 clear polyurethane protective tape. I haven't flown with it yet, but I'm hoping that the tape will afford some protection for the paint from stone chips etc. I once used this tape as a gap seal on my Airtourer's flapperons so I know it can withstand air loads and remain stuck on in a hostile environment. Dave G-RJWX Read this topic online here: http://forums.matronics.com/viewtopic.php?p=459518#459518 ________________________________ Message 7 _____________________________________ Time: 12:18:11 PM PST US From: "Bud Yerly" Subject: Re: Europa-List: Re: Powder Coating Tailwheel Spring Eric, It was a pleasure seeing you again at Oshkosh. >From a common website for steel tempering called Total Materia: It is necessary, therefore, to warm the steel below the critical range in order to relieve stresses and to allow the arrested reaction of cementite precipitation to take place. This is known as tempering. a.. 150-250=B0C. The object is heated in an oil bath, immediately after quenching, to prevent related cracking, to relieve internal stress and to decompose austenite without much softening. b.. 200-450=B0C. Used to toughen the steel at the expense of hardness. Brinell hardness is 350-450. c.. 450-700=B0C. The precipitated cementite coalesces into larger masses and the steel becomes softer. The structure is known as sorbite, which at the higher temperatures becomes coarsely spheroidised. It etches more slowly than troostite and has a Brinell hardness of 220-350. Sorbite is commonly found in heat-treated constructional steels, such as axles, shafts and crankshafts subjected to dynamic stresses. A treatment of quenching and tempering in this temperature range is frequently referred to as toughening, and it produces an increase in the ratio of the elastic limit to the ultimate tensile strength. The guys who make the tapered gear for the RV prefer to limit the powder coaters to no more than 450F or about 250C back when they were in Chicago. Different folks now. Now that temperature range means that the powder coater must keep his oven running longer to fully flow his paint on a gear leg. They don=92t like to do that. The RV community is buying the factory powder coated gear. Only problem is it covers up cracks in the welded spindle end you will never see. Also corrosion gets underneath the powder coating as the bolt holes and wear points are not coated and needs a metal anticorrosion seal like ACP50 or similar to resist this tendency. Plain old metal primer and a tough paint like an aircraft polyurethane or even Rustolium primer and top coat lasts quite a while. My concern in Florida is rust, which is less of a problem for you in =93Lost Wages=94 (Las Vegas, NV, USA). Just a flexible paint should last forever out there unless it=92s a cheap enamel. Just talk to your powder coater. A 3/4 inch piece of steel has no business in the oven with a bunch of sheet metal. The paint never gets to its gel point and it fails. So in my case the thick piece, according to his paint type (TCI Powder Coating), needed a low 250F degrees for nearly 10 hours where as the sheet metal only needed about 2 hours. Heck of a thing. I did the oven coated stuff as someone suggested already on some of my parts and it worked pretty well for an hour in the the oven. It wasn=92t very shiny but it covered well except where my prep was not so good. It looks flat in comparison to my aviation paint and wears fairly well because the paint or powder did not flow out and stay flowed for long enough... It stunk up the house a bit but only a wife could smell it. It was a rental house until our current home was finished so it didn=92t bother me. It just was not worth the criticism from the wife. Some of these paints are toxic so read the directions well. Nickel plating doesn=92t hold up well to abrasion, but is excellent at sealing the metal. Not worth the cost and down time to me. Rustoleum (not the spray can stuff) is cheap and fast. Wears well, easy to touch up and if properly prepped, lasts as long as anything else on flexing metal gear. My opinion. Regards, Bud Yerly Custom Flight Creations. From: Erich Trombley Sent: Monday, August 15, 2016 12:34 PM Subject: Europa-List: Re: Powder Coating Tailwheel Spring Good day, Thanks to everyone for your responses on powder coating. I also received a response suggesting nickel plating instead of powder coating. This would be my preferred choice if flexing of the tailwheel spring won't cause the plating to flake off. Thoughts? Erich ____________________________________________________________ EverydayLivingHealth 62-Year-Old Surprises Husband, Cries After Seeing Makeover http://thirdpartyoffers.juno.com/TGL3132/57b1ef4a9105a6f4a4098st01vuc ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message europa-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Europa-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/europa-list Browse Digests http://www.matronics.com/digest/europa-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.