Pietenpol-List Digest Archive

Wed 10/13/10


Total Messages Posted: 14



Today's Message Index:
----------------------
 
     1. 03:17 AM - Re: Nylo-seal oil pressure line? (jeff wilson)
     2. 05:16 AM - Re: Re: Boeing surplus (KM Heide CPO/FAAOP)
     3. 05:35 AM - Re: Nylo-seal oil pressure line? (Dan Yocum)
     4. 11:15 AM - Long Fuse Center Strut Fitting (K5YAC)
     5. 11:41 AM - Re: Nylo-seal oil pressure line?Nylo-seal oil pressure line? (Stu Brown)
     6. 12:20 PM - Re: Nylo-seal oil pressure line?Nylo-seal oil pressure line? (Ryan Mueller)
     7. 02:29 PM - Re: Fuel sump question (Tim Willis)
     8. 02:43 PM - Re: Long Fuse Center Strut Fitting (Bill Church)
     9. 02:50 PM - Re: Long Fuse Center Strut Fitting (K5YAC)
    10. 02:56 PM - Re: Fuel sump question (Billy McCaskill)
    11. 03:39 PM - Re: Fuel sump question (Harvey Rule)
    12. 06:49 PM - Re: Fuel sump question (kevinpurtee)
    13. 06:57 PM - Re: Fuel sump question (Jack)
    14. 08:38 PM - Re: Fuel sump question (Billy McCaskill)
 
 
 


Message 1


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    Time: 03:17:07 AM PST US
    From: jeff wilson <jlwilsonnn@yahoo.com>
    Subject: Nylo-seal oil pressure line?
    I also do not like the idea of any oil in the cockpit or anywhere behind th e firewall. I bought an electronic oil sender and gauge combo from Jegs Aut omotive. Nothing but wire from oil sender to the gauge. Cost around 40 to 5 0 bucks I think. I have not yet installed it but if it works on race cars, I think I can make it work on on an overgrown lawnmower engine(A-65). Jeff Wilson N899WT(R) St. Louis Varnishing Fuse Now, Wings done --- On Tue, 10/12/10, Jack Phillips <pietflyr@bellsouth.net> wrote: From: Jack Phillips <pietflyr@bellsouth.net> Subject: RE: Pietenpol-List: Nylo-seal oil pressure line? =0A=0A=0A =0A =0A=0A =0A=0A=0A=0A=0A=0A=0A=0AI ran copper tubing.=C2- 210 hours and=0Aall=99s well. =0A=0A =C2- =0A=0AJack=0A Phillips =0A =0ANX899JP =0A=0ARaleigh, NC =0A=0A =C2- =0A=0A=0A=0A=0A=0A=0A=0A=0A=0AFr om:=0A owner-pietenpol-list-server@matronics.com [mailto:=0A owner-pietenpo l-list-server@matronics.com ] On Behalf Of Woodflier@aol.com =0ASent: Tuesday, October 12, 2010=0A4:27 PM =0ATo: pietenpol-list@matronics.com =0ASubject: Pietenpol-List: Nylo-seal=0Aoil pressure line? =0A=0A=0A=0A =C2 - =0A=0A=0A=0AOk, I bought the A/C Spruce oil pressure=0Aline kit, and af ter I get it and start looking at the Nylo-Seal tubing, it says=0A"max temp 212 degrees." I went with the nylon because I thought it=0Awould withstand the vibration better than copper. But the temp rating for the=0Anylon worr ies me, as does something I read recently in one of Tony Bengalis's=0Aartic les on the EAA site that you don't want flammable liquids running through =0Atubing that can burn through and feed an engine fire. =0A=0A=0A=0A=0A =0A=C2- =0A=0A=0A=0A=0A=0AI feel kinda dumb with the Piet in the=0Afinal stages but there's a way I can run copper tubing or Aeroquip 303 rubber=0Ab raided hose. =0A=0A=0A=0A=0A=0A=C2- =0A=0A=0A=0A=0A=0AWhat would y'all d o? =0A=0A=0A=0A=0A=0A=C2- =0A=0A=0A=0A=0A=0AMatt Paxton =0A=0A=0A=0A=0A =0A=C2- =0A=0A=0A=0A=0A=0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A =0A=0A=0A=0A =C2- =C2-http://www.matronics.com/Navigator?Pietenpol- Listhttp://forums.matronics.comhttp://www.matronics.com/contribution =C2- =0A=0A=0A=0A=0A=0A=0A =0A=0A=0A


    Message 2


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    Time: 05:16:14 AM PST US
    From: KM Heide CPO/FAAOP <kmheidecpo@yahoo.com>
    Subject: Re: Boeing surplus
    I used to visit Boeing in Witchita, KS where-had there annual sales days where you could buy just about anything they used on an airplane. I purchas ed many clamps, rivet guns, parts and other supplies for pennies on the dol lar. You could even buy a tug if you had a way to transport it of the lot! - Although this was a few year ago and not sure they are even doing this anym ore.. - KMHeide - --- On Tue, 10/12/10, BYD <billsayre@ymail.com> wrote: From: BYD <billsayre@ymail.com> Subject: Pietenpol-List: Re: Boeing surplus > [quote="at7000ft"]Dang, so much for that Titanium sheet cowl and wheel pants I was planning for my Piet. > > do not archive You laugh, but I remember seeing Titanium sheet there along with composite honeycomb panels and other exotic supplies. do not archive Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315483#315483 le, List Admin. =0A=0A=0A


    Message 3


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    Time: 05:35:42 AM PST US
    From: Dan Yocum <yocum137@gmail.com>
    Subject: Re: Nylo-seal oil pressure line?
    450+ hours on N8031 with a copper oil line. -- Dan Yocum yocum137@gmail.com "I fly because it releases my mind from the tyranny of petty things." On Oct 12, 2010, at 8:36 PM, Jack Phillips <pietflyr@bellsouth.net> wrote: > I ran copper tubing. 210 hours and alls well. > > Jack Phillips > NX899JP > Raleigh, NC > > >


    Message 4


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    Time: 11:15:43 AM PST US
    Subject: Long Fuse Center Strut Fitting
    From: "K5YAC" <hangar10@cox.net>
    I have a question about the placement of the center strut fittings on the long fuse. More specifically, the rear set and the placement of the instrument panel cross struts and plywood stiffener. I understand the spacing between the front and rear (28.75") as this is the spacing between the wing spars when measured center to center. But, if we look at the long fuse print (below), the distance to the front stiffener is... 15" + 6.25" + 23" + .125" (plywood seat back/instrument board) = 44.375" This places the front cross strut right in line (and in the way) of where the rear center strut fitting should go. I am assuming that the center strut fittings mount as shown below (red). If so, I am a little confused about the measurements shown in the drawings. If I choose to move the cross struts and stiffener forward or aft, I'll make for an awful strange looking front seat and headrest (out of alignment). I've looked for detailed photos of this area, but so far I haven't found what I'm looking for. Ideas? -------- Mark Chouinard Wings, Center Section and Empannage framed up - Working on Fuselage Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315610#315610 Attachments: http://forums.matronics.com//files/long_fuse_125.jpg


    Message 5


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    Time: 11:41:17 AM PST US
    From: Stu Brown <stu_brown@verizon.net>
    Subject: Re: Nylo-seal oil pressure line?Nylo-seal oil pressure
    line? Plastic pressure lines should not be a problem. You are compressing oil in the line. If hot oil is flowing through the line, that would be something different. The line temperature will be what ever the ambient temp is. Stu Brown


    Message 6


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    Time: 12:20:41 PM PST US
    Subject: Re: Nylo-seal oil pressure line?Nylo-seal oil pressure
    line?
    From: Ryan Mueller <rmueller23@gmail.com>
    It's engine oil....it might be a little warm. But then again, you are compressing a liquid, so there's no telling what the temperature could be in that particular alternate reality... ;) Ryan do not archive On Wed, Oct 13, 2010 at 1:35 PM, Stu Brown <stu_brown@verizon.net> wrote: > > Plastic pressure lines should not be a problem. You are compressing oil in > the line. If hot oil is flowing through the line, that would be something > different. The line temperature will be what ever the ambient temp is. > > Stu Brown > >


    Message 7


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    Time: 02:29:04 PM PST US
    From: Tim Willis <timothywillis@earthlink.net>
    Subject: Re: Fuel sump question
    Jack, Having drains fore and aft is a great idea. Re the inlet position vertically, better men than I should answer your question, but I think you WANT to capture the water from your tank in your fuel line, then drain it out at your low point-- the gascolator, fuel bowl, etc. If you allow it to collect above a fitting, you may get a fair water accumulation over time, and it could stay separated from the fuel for awhile in operation. However imagine that it sloshes about, then enters the fuel line while you are slipping to land but are short of the field, or you have just tilted pre-flare for a landing, and will want a little burst of power for control, etc. SPUT!!! In other words your engine could sputter and die at just the wrong moment with that setup. My 2 cents. Tim in central TX -----Original Message----- From: Jack Sent: Oct 12, 2010 7:36 PM Subject: Pietenpol-List: Fuel sump question Checked the archives and found nice email from Chuck G that was helpful, but I have another question. For my wing tank Im planning 2 fuel outlets, 1 front and 1 rear. On the rear edge of the tank I will also have a float gauge with a sump drain and a machined sump bowl with a drain. Since the drains and the rear fuel outlet are at the same level, Im wondering.For the fuel outlet should I extend it into the tank a to be above any water that may be present. I understand the drawback of decreasing my tank capacity. Any thoughts would certainly be appreciated! Thanks, Jack DSM


    Message 8


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    Time: 02:43:52 PM PST US
    Subject: Re: Long Fuse Center Strut Fitting
    From: "Bill Church" <billspiet@sympatico.ca>
    Mark, Earlier this year, I built my fuselage sides, and documented what I did here: http://mykitplane.com/Planes/buildLogReportDetail.cfm?BuildLogID=2535&PlaneID=510&FName=Bill&LName=Church&PlaneName=Air Camper It isn't really clear in the plans, and I'm sure many builders have ended up with the top cross members butting up against the metal cabane strut brackets, rather than meeting the longeron. But, as best as I could figure it out, the cabane strut mounting brackets should be mounted BEHIND the vertical spruce sticks. Only the drawing for the long fuselage shows and refers to the "3/4" x 3" filler for strut fitting". THAT is what the cabane strut mounting brackets should be mounted to, and I believe there should also be another filler block for the front brackets as well (to maintain correct spacing). Bill C. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315648#315648


    Message 9


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    Time: 02:50:09 PM PST US
    Subject: Re: Long Fuse Center Strut Fitting
    From: "K5YAC" <hangar10@cox.net>
    Bill, the addition of a "3/4" x 3" filler for strut fitting" to the front makes perfect sense for proper spacing. That is what I will do... I just wanted to make sure that I was looking at the problem correctly. Thanks! -------- Mark Chouinard Wings, Center Section and Empannage framed up - Working on Fuselage Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315650#315650


    Message 10


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    Time: 02:56:58 PM PST US
    Subject: Re: Fuel sump question
    From: "Billy McCaskill" <billmz@cox.net>
    Jack, I am in full agreement with Tim on this. The idea behind the drains is so that you can get the water out instead of leaving it behind in the tank. Checking the fuel drains for water accumulation was one of the first things on the checklist I used on the C-150/152's I learned to fly in back in the mid-'90's. -------- Billy McCaskill Urbana, IL tail section almost done, starting on ribs soon Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315652#315652


    Message 11


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    Time: 03:39:39 PM PST US
    From: Harvey Rule <harvey.rule@bell.net>
    Subject: Fuel sump question
    Isn't this what the gascolator does and it should be mounted at the lowest point below the carb from what I understand. > Date: Wed=2C 13 Oct 2010 16:26:18 -0500 > From: timothywillis@earthlink.net > To: pietenpol-list@matronics.com > Subject: Re: Pietenpol-List: Fuel sump question > .net> > > Jack=2C > Having drains fore and aft is a great idea. > > Re the inlet position vertically=2C better men than I should answer your question=2C but I think you WANT to capture the water from your tank in you r fuel line=2C then drain it out at your low point-- the gascolator=2C fuel bowl=2C etc. > If you allow it to collect above a fitting=2C you may get a fair water ac cumulation over time=2C and it could stay separated from the fuel for awhil e in operation. However imagine that it sloshes about=2C then enters the fu el line while you are slipping to land but are short of the field=2C or you have just tilted pre-flare for a landing=2C and will want a little burst o f power for control=2C etc. SPUT!!! > In other words your engine could sputter and die at just the wrong moment with that setup. My 2 cents. > Tim in central TX > > -----Original Message----- > From: Jack > Sent: Oct 12=2C 2010 7:36 PM > To: pietenpol-list@matronics.com > Subject: Pietenpol-List: Fuel sump question > > > Checked the archives and found nice email from Chuck G that was helpful =2C but I have another question. For my wing tank I=92m planning 2 fuel out lets=2C 1 front and 1 rear. On the rear edge of the tank I will also have a float gauge with a sump drain and a machined sump bowl with a drain. Since the drains and the rear fuel outlet are at the same level=2C I=92m wonderi ng=85.For the fuel outlet should I extend it into the tank a =BC=94 to be a bove any water that may be present. I understand the drawback of decreasing my tank capacity. Any thoughts would certainly be appreciated! > Thanks=2C > Jack > DSM > > > =========== =========== =========== =========== > > >


    Message 12


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    Time: 06:49:50 PM PST US
    Subject: Re: Fuel sump question
    From: "kevinpurtee" <kevin.purtee@us.army.mil>
    Gascolator works great for getting water out, even after 2 monsoons at Brodhead. -------- Kevin Purtee NX899KP Austin/Georgetown, TX Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315673#315673


    Message 13


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    Time: 06:57:57 PM PST US
    From: "Jack" <jack@textors.com>
    Subject: Fuel sump question
    Tim, Billy and Harvey, thanks very much for your comments. Not sure I detailed well enough. I do plan to have a gasolator with a drain (all don=92t). Also I have two sumps in the tank to allow draining accumulated water hopefully before it enters the fuel line, the sump and drain at the bottom of my float gauge. The reason for my question initially was because of the design of the Stearman sump (picture attached). Note how the sump is below the actual intake level for the fuel. It=92s a great design but I felt too large for the Piet. If I can keep water out of the line before going through the gasolator and to the engine I think that=92s good. That=92s all about clear as mud. Again I appreciate the help! Jack DSM _____ From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jack Sent: Tuesday, October 12, 2010 7:36 PM Subject: Pietenpol-List: Fuel sump question Checked the archives and found nice email from Chuck G that was helpful, but I have another question. For my wing tank I=92m planning 2 fuel outlets, 1 front and 1 rear. On the rear edge of the tank I will also have a float gauge with a sump drain and a machined sump bowl with a drain. Since the drains and the rear fuel outlet are at the same level, I=92m wondering=85.For the fuel outlet should I extend it into the tank a =BC=94 to be above any water that may be present. I understand the drawback of decreasing my tank capacity. Any thoughts would certainly be appreciated! Thanks, Jack DSM


    Message 14


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    Time: 08:38:04 PM PST US
    Subject: Re: Fuel sump question
    From: "Billy McCaskill" <billmz@cox.net>
    Ah, now I see what you were talking about. A seperate small depression expressly for catching water. This makes more sense, provided you drain this mini-sump prior to each flight per the checklist. I can see how this setup could be a good thing. -------- Billy McCaskill Urbana, IL tail section almost done, starting on ribs soon Read this topic online here: http://forums.matronics.com/viewtopic.php?p=315682#315682




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