Original Posted By: "B. Riesen"
Subject: Pietenpol-List: Varnish/DeCostaRichard:: At Oshkosh I attended the covering forum put n by people whohave a covering business in Florida. She stressed never use a singlepart hardware store varnish as most all fabric glues will act as paintremover on it. She said each of the covering systems offer a 2 partvarnish (she delt with Poly Fiber) Use the one sold by the coveringsystem you will be covering your Piet.in. I think you could use asingle part varnish on all areas that don't come n contact with fabricand a 2 part where the fabric glues on....Also on old J-3 struts, Is itwise to put 50 yr old struts on a brand new airplane? New wood, newfabric, hardware, then 50 year old struts! I know they rust in the lowerend, but how do you guarantee that the upper end is in perfect conditionwithout sending one of those exotic pinpoint camera's up the tubing, orsome expensive ultra sounding test. Even if they look good, they took ahell of a beating over the years. Most spent there early years astrainers, crop sprayers etc. I planned to get alum. struts from Rans,but a recent post said Carelson Aircraft has them at a cheaper price. Ithink the peace of mind is worth the cost, Sincerely Leon S.________________________________________________________________________________
Pietenpol-List: Varnish/DeCosta
Re: Pietenpol-List: Varnish/DeCosta
Original Posted By: "Leon Stefan"
Leon, I spent a good deal of time with the Polyfiber people at Sun n Funand got basically the same message. I had varnished allof my parts with agood quality hardware store polyurethane varnish for sealing and now that Iam ready to cover a good bit of the plane, I wondered how compatible itwould be with the Polyfiber components.They said no problem just come back over the parts with another coating oftheir 2-part varnish and there would be no problems. Weight could be asmall problem, but even if it take a pint or so of varnish to go back overthe contact areas that fabric will touch, I think most of the volatiles inthe varnish volatilize off and another coat wont be that heavy. I wonder ifmost people put on multiple coats anyway??I'm not CONVINCED it's necessary anyway, but probably not a bad idea. I dohave a friend who has built 4 airplanes and used hardware store varnish andhad no problems (in 25 years or so). Not to say problems wont ariselater..So it's probably up to us to choose a route we're comfortable with and gofor it.bert----- Original Message -----
Leon, I spent a good deal of time with the Polyfiber people at Sun n Funand got basically the same message. I had varnished allof my parts with agood quality hardware store polyurethane varnish for sealing and now that Iam ready to cover a good bit of the plane, I wondered how compatible itwould be with the Polyfiber components.They said no problem just come back over the parts with another coating oftheir 2-part varnish and there would be no problems. Weight could be asmall problem, but even if it take a pint or so of varnish to go back overthe contact areas that fabric will touch, I think most of the volatiles inthe varnish volatilize off and another coat wont be that heavy. I wonder ifmost people put on multiple coats anyway??I'm not CONVINCED it's necessary anyway, but probably not a bad idea. I dohave a friend who has built 4 airplanes and used hardware store varnish andhad no problems (in 25 years or so). Not to say problems wont ariselater..So it's probably up to us to choose a route we're comfortable with and gofor it.bert----- Original Message -----
> Re: Pietenpol-List: Pietenpol lift struts
Original Posted By: DonanClara(at)aol.com
Subject: Re: Pietenpol-List: Pietenpol lift struts>>Greg>What circuit does your son ride? We are big rodeo fans. We managed tohit>6 in july in Mont Wyo. and Minn. Mostly PRCA>Dick Navratil>----- Original Message ----->From: "Greg Yotz" >To: >Sent: Saturday, August 05, 2000 10:11 AM>Subject: Re: Pietenpol-List: Pietenpol lift struts>>>>>> I'm starting that search today. I've got to run up to Omaha to watch my>son>> ride bulls and maybe I can hit a few small airports on the way.>>>> Greg>>>>>> >Doc,>> >That's how I got mine. A fellow flyer from a nearby airport told me to>> come>> >there, they had lots. Couldn't believe it, go into the old hanger and>> look>> >up. It's exactly what you said, any damage, if any, is at the lower>end.>> >Cut out the center and you're ready to go.>> >walt>>>>>>________________________________________________________________________________
Subject: Re: Pietenpol-List: Pietenpol lift struts>>Greg>What circuit does your son ride? We are big rodeo fans. We managed tohit>6 in july in Mont Wyo. and Minn. Mostly PRCA>Dick Navratil>----- Original Message ----->From: "Greg Yotz" >To: >Sent: Saturday, August 05, 2000 10:11 AM>Subject: Re: Pietenpol-List: Pietenpol lift struts>>>>>> I'm starting that search today. I've got to run up to Omaha to watch my>son>> ride bulls and maybe I can hit a few small airports on the way.>>>> Greg>>>>>> >Doc,>> >That's how I got mine. A fellow flyer from a nearby airport told me to>> come>> >there, they had lots. Couldn't believe it, go into the old hanger and>> look>> >up. It's exactly what you said, any damage, if any, is at the lower>end.>> >Cut out the center and you're ready to go.>> >walt>>>>>>________________________________________________________________________________
Re: Pietenpol-List: Varnish/DeCosta
Original Posted By:> Leon Stefan
50 years old scare you??? Steel is steel regardless of the age. Yes,Cub struts sometimes rust through at the bottom if water has been allowedto collect, but the tops are usually OK. Besides, you would cut off thebottom AND the tops anyway. I fly several times a week, usually doingaerobatics, in an airplane which is 72 years old. Got over 1000 hours onit since my restoration and had no problems yet.----------
50 years old scare you??? Steel is steel regardless of the age. Yes,Cub struts sometimes rust through at the bottom if water has been allowedto collect, but the tops are usually OK. Besides, you would cut off thebottom AND the tops anyway. I fly several times a week, usually doingaerobatics, in an airplane which is 72 years old. Got over 1000 hours onit since my restoration and had no problems yet.----------
Re: Pietenpol-List: Pietenpol lift struts
Original Posted By: "Greg Yotz"
GregWhat circuit does your son ride? We are big rodeo fans. We managed to hit6 in july in Mont Wyo. and Minn. Mostly PRCADick Navratil----- Original Message -----
GregWhat circuit does your son ride? We are big rodeo fans. We managed to hit6 in july in Mont Wyo. and Minn. Mostly PRCADick Navratil----- Original Message -----
Re: Pietenpol-List: Varnish/DeCosta
Original Posted By: "Greg Yotz"
Went to the Poly Fiber forums at Sun-n-Fun and Osh. They said to try MEK onthe varnish and the primer on metal parts. If the rag comes away clean thenno problem. If it comes away colored with varnish or primer them you betteruse a two part over it...Had to redue all my metal parts only. I varnished with a marine epoxyvarnish which was fine.Greg________________________________________________________________________________
Went to the Poly Fiber forums at Sun-n-Fun and Osh. They said to try MEK onthe varnish and the primer on metal parts. If the rag comes away clean thenno problem. If it comes away colored with varnish or primer them you betteruse a two part over it...Had to redue all my metal parts only. I varnished with a marine epoxyvarnish which was fine.Greg________________________________________________________________________________
Re: Pietenpol-List: Pietenpol lift struts
Original Posted By: Richard Navratil
He rides IPRA mostly Kansas, Iowa, Nebraska, Arkansas. He may pay the moneyand ride some PRCA this fall. Next spring for sure.May have found my struts. Found a guy with 60 plus on hand and $20 a strutI come and find what I want.Greg-----Original Message-----
He rides IPRA mostly Kansas, Iowa, Nebraska, Arkansas. He may pay the moneyand ride some PRCA this fall. Next spring for sure.May have found my struts. Found a guy with 60 plus on hand and $20 a strutI come and find what I want.Greg-----Original Message-----
Re: Pietenpol-List: Varnish/DeCosta
Original Posted By: "walter evans"
Subject: Re: Pietenpol-List: Varnish/DeCosta I just got done putting the first coat of varnish on our tail feathersand used Miniwax Urethane spar varnish which I bought at Builder'sSquare. I had planned on putting dope proof varnish on top where we willglue the fabric on, but yesterday while I was working another guy came upand said he had used the same varnish on his ultralight, which he coveredwith Stits, and had no problems with the varnish lifting. Before getting too excited about which varnish to use, just rememberthat dope is a lacquer and so are many of the glues used to attachfabric. It's important to know just what the glue you are going to useis based upon, but if it is lacquer it would be easy enough to make asimple test to dip a stirring stick or something like that into thevarnish, let it dry, and then see what lacquer thinner does to it. Ifthere is any reaction, it will be almost immediate. Dope and many otherpaints dry by having their solvents evaporate out and it is the solventsthat will affect varnish or any other paint. If the wet dope or SuperSeam Cement does not immediately lift the lacquer, it will last the lifeof the fabric and beyond.John LangstonPipe Creek, TXnle97(at)juno.com________________________________________________________________________________
Subject: Re: Pietenpol-List: Varnish/DeCosta I just got done putting the first coat of varnish on our tail feathersand used Miniwax Urethane spar varnish which I bought at Builder'sSquare. I had planned on putting dope proof varnish on top where we willglue the fabric on, but yesterday while I was working another guy came upand said he had used the same varnish on his ultralight, which he coveredwith Stits, and had no problems with the varnish lifting. Before getting too excited about which varnish to use, just rememberthat dope is a lacquer and so are many of the glues used to attachfabric. It's important to know just what the glue you are going to useis based upon, but if it is lacquer it would be easy enough to make asimple test to dip a stirring stick or something like that into thevarnish, let it dry, and then see what lacquer thinner does to it. Ifthere is any reaction, it will be almost immediate. Dope and many otherpaints dry by having their solvents evaporate out and it is the solventsthat will affect varnish or any other paint. If the wet dope or SuperSeam Cement does not immediately lift the lacquer, it will last the lifeof the fabric and beyond.John LangstonPipe Creek, TXnle97(at)juno.com________________________________________________________________________________
> Pietenpol-List: Varnish/DeCosta
Original Posted By: "Richard Navratil"
> Stefan)> > Richard:: At Oshkosh I attended the covering forum put n by people who> have a covering business in Florida. She stressed never use a single> part hardware store varnish as most all fabric glues will act as paint> remover on it. She said each of the covering systems offer a 2 part> varnish (she delt with Poly Fiber) Use the one sold by the covering> system you will be covering your Piet.in. I think you could use a> single part varnish on all areas that don't come n contact with fabric> and a 2 part where the fabric glues on....Also on old J-3 struts, Is it> wise to put 50 yr old struts on a brand new airplane? New wood, new> fabric, hardware, then 50 year old struts! I know they rust in the lower> end, but how do you guarantee that the upper end is in perfect condition> without sending one of those exotic pinpoint camera's up the tubing, or> some expensive ultra sounding test. Even if they look good, they took a> hell of a beating over the years. Most spent there early years as> trainers, crop sprayers etc. I planned to get alum. struts from Rans,> but a recent post said Carelson Aircraft has them at a cheaper price. I> think the peace of mind is worth the cost, Sincerely Leon S.> > > > ________________________________________________________________________________
> Stefan)> > Richard:: At Oshkosh I attended the covering forum put n by people who> have a covering business in Florida. She stressed never use a single> part hardware store varnish as most all fabric glues will act as paint> remover on it. She said each of the covering systems offer a 2 part> varnish (she delt with Poly Fiber) Use the one sold by the covering> system you will be covering your Piet.in. I think you could use a> single part varnish on all areas that don't come n contact with fabric> and a 2 part where the fabric glues on....Also on old J-3 struts, Is it> wise to put 50 yr old struts on a brand new airplane? New wood, new> fabric, hardware, then 50 year old struts! I know they rust in the lower> end, but how do you guarantee that the upper end is in perfect condition> without sending one of those exotic pinpoint camera's up the tubing, or> some expensive ultra sounding test. Even if they look good, they took a> hell of a beating over the years. Most spent there early years as> trainers, crop sprayers etc. I planned to get alum. struts from Rans,> but a recent post said Carelson Aircraft has them at a cheaper price. I> think the peace of mind is worth the cost, Sincerely Leon S.> > > > ________________________________________________________________________________