Original Posted By: John Franklin
>Cool! Exciting day for you Michael.Actually, as strange as it sounds, if you did build a twin engined Piet, it would not be the first. Several years ago, someone did build a Piet with two engines (A-65s I think). The really strange part was that they were installed with one sitting above the other. From memory, I recall reading that it had two counter-rotating propellers (one in front of the other) - one direct driven, and the other belt driven. A very strange idea, with no good reason that I can think of to justify all the work necessary to achieve success, let alone all the extra weight.Bill C.Read this topic online here:http://forums.matronics.com/viewtopic.p ... 6#366116le, List Admin.________________________________________________________________________________Date: Mon, 13 Feb 2012 09:14:30 -0600 (GMT-06:00)
Pietenpol-List: Exhaust stud hole
Pietenpol-List: Exhaust stud hole
Original Posted By: Andrew Eldredge
Yes, you are correct. I guess after working on Blackhawks which has the fuel cellsaft of the CG the book tells you either full bags or empty bags...not in themiddle during W&B. Definitely would want to err on the side of caution whenit comes to developing an aft CG. So I will look into a longer motor mount asyou mentioned. On a side note...I have heard that making the nose too long willmake a slip recovery a bit difficult if not impossible under some circumstances.I wonder how far forward the engine could be mounted without making a sliprecovery difficult at low/landing speeds.--------Airspeed, altitude or brains: Two are always needed to successfully complete theflight.Read this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Sat, 11 Feb 2012 15:25:05 -0700Subject: Pietenpol-List: Exhaust stud hole
Yes, you are correct. I guess after working on Blackhawks which has the fuel cellsaft of the CG the book tells you either full bags or empty bags...not in themiddle during W&B. Definitely would want to err on the side of caution whenit comes to developing an aft CG. So I will look into a longer motor mount asyou mentioned. On a side note...I have heard that making the nose too long willmake a slip recovery a bit difficult if not impossible under some circumstances.I wonder how far forward the engine could be mounted without making a sliprecovery difficult at low/landing speeds.--------Airspeed, altitude or brains: Two are always needed to successfully complete theflight.Read this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Sat, 11 Feb 2012 15:25:05 -0700Subject: Pietenpol-List: Exhaust stud hole
Re: Pietenpol-List: Re: Fuel Tank and Engine
Original Posted By: Ryan Mueller
I would guess that a heli coil would work, but they also make two oversize stud sizes, available from Spruce. Maybe you could just tap the threads then use one of the oversize studs if not too much of the old thread is gone? If not, I see no reason a helicoil wouldn't work, assuming it will withstand the heat.Gibson Aviation in El Reno, OK cam tell you for sure. They specialize in small continentals, I'd give them a call.http://www.trade-a-plane.com/company-se ... 53220Steve RuseNorman, OKOn Feb 11, 2012, at 4:25 PM, Andrew Eldredge wrote:> So there I was, with grand designs of perhaps firing up the a-65 for the first time in a few years, putting on the exhaust manifold with some new, not brass studs, when it became clear that one of the studs had the coarse threads sticking out. Thinking I had a double-coarse stud, I went ahead and pulled it out of the cylinder head, realizing, to my horror, that it was not a double-coarse thread, but a fine-coarse thread that had been installed upside-down, and had taken a bit of the head with it on the way out. so....> > Is there a helicoil-type repair for these a-65 heads? I hope the jug is not honked up.> > Thanks for the help...> > -- > Andrew Eldredge> Provo, UT> > > ============================================================================================================================================> ________________________________________________________________________________Date: Sat, 11 Feb 2012 17:29:25 -0600Subject: Re: Pietenpol-List: Re: Fuel Tank and Engine
I would guess that a heli coil would work, but they also make two oversize stud sizes, available from Spruce. Maybe you could just tap the threads then use one of the oversize studs if not too much of the old thread is gone? If not, I see no reason a helicoil wouldn't work, assuming it will withstand the heat.Gibson Aviation in El Reno, OK cam tell you for sure. They specialize in small continentals, I'd give them a call.http://www.trade-a-plane.com/company-se ... 53220Steve RuseNorman, OKOn Feb 11, 2012, at 4:25 PM, Andrew Eldredge wrote:> So there I was, with grand designs of perhaps firing up the a-65 for the first time in a few years, putting on the exhaust manifold with some new, not brass studs, when it became clear that one of the studs had the coarse threads sticking out. Thinking I had a double-coarse stud, I went ahead and pulled it out of the cylinder head, realizing, to my horror, that it was not a double-coarse thread, but a fine-coarse thread that had been installed upside-down, and had taken a bit of the head with it on the way out. so....> > Is there a helicoil-type repair for these a-65 heads? I hope the jug is not honked up.> > Thanks for the help...> > -- > Andrew Eldredge> Provo, UT> > > ============================================================================================================================================> ________________________________________________________________________________Date: Sat, 11 Feb 2012 17:29:25 -0600Subject: Re: Pietenpol-List: Re: Fuel Tank and Engine
Re: Pietenpol-List: Re: Fuel Tank and Engine
Original Posted By: Michael Perez
RE: Pietenpol-List: Engine(s) Aquired!
Original Posted By: owner-pietenpol-list-server(at)matronics.com
So are you building the world's first twin-engined Pietenpol?Congratulations, Mike. The small Continentals are pretty neat engines, whenyou realize they were designed in 1937 and incorporate most of the tecnologystill found in the most modern engines.Jack PhillipsNX899JPSmith Mountain Lake, Virginia _____
So are you building the world's first twin-engined Pietenpol?Congratulations, Mike. The small Continentals are pretty neat engines, whenyou realize they were designed in 1937 and incorporate most of the tecnologystill found in the most modern engines.Jack PhillipsNX899JPSmith Mountain Lake, Virginia _____
Re: Pietenpol-List: Engine(s) Aquired!
Original Posted By: Ryan Mueller
Subject: Re: Pietenpol-List: Engine(s) Aquired!
Subject: Re: Pietenpol-List: Engine(s) Aquired!
Re: Pietenpol-List: Engine(s) Aquired!
Original Posted By: Ryan Mueller
Subject: Re: Pietenpol-List: Engine(s) Aquired!
Subject: Re: Pietenpol-List: Engine(s) Aquired!
Pietenpol-List: Re: Engine(s) Aquired!
Original Posted By: "Bill Church"
Subject: RE: Pietenpol-List: Engine(s) Acquired!I second the motion Mike, congratulations!!! I was fortunate enough to happento hear that this gent had these engines but had no idea if they were for saleor what condition they were in but in the past week Mike and I talked with theowner and it turned out they were for sale and we went and got them in a goodold fashioned snow storm this morning. Mike's kids sled worked GREAT in pullingthe engines from his driveway around back to his shop in the snow---otherwisewe would have had to hand-carry each of them (ground too soft to use a dolly) agood distance. Was glad to help out and everything fell into place nicely.Told my B-24 WWII Vet friend Bill about the engines and he wants to come see themonce they are dissasembled. (he knows engines like Hills Bros. knowscoffee). I've got my cylinder head wrenches and valve spring compressor in thecar and will drop off at Mike's after church Sunday because I know he's anxious to see the insides of these gems. So am I. (Make sure you lock yourdoors at night Mike!) Little by little, another Pietenpol is taking shape and being given life!Mike C.________________________________________________________________________________Subject: Pietenpol-List: Re: Engine(s) Aquired!
Subject: RE: Pietenpol-List: Engine(s) Acquired!I second the motion Mike, congratulations!!! I was fortunate enough to happento hear that this gent had these engines but had no idea if they were for saleor what condition they were in but in the past week Mike and I talked with theowner and it turned out they were for sale and we went and got them in a goodold fashioned snow storm this morning. Mike's kids sled worked GREAT in pullingthe engines from his driveway around back to his shop in the snow---otherwisewe would have had to hand-carry each of them (ground too soft to use a dolly) agood distance. Was glad to help out and everything fell into place nicely.Told my B-24 WWII Vet friend Bill about the engines and he wants to come see themonce they are dissasembled. (he knows engines like Hills Bros. knowscoffee). I've got my cylinder head wrenches and valve spring compressor in thecar and will drop off at Mike's after church Sunday because I know he's anxious to see the insides of these gems. So am I. (Make sure you lock yourdoors at night Mike!) Little by little, another Pietenpol is taking shape and being given life!Mike C.________________________________________________________________________________Subject: Pietenpol-List: Re: Engine(s) Aquired!
Original Posted By: Michael Perez
Cool! Exciting day for you Michael.Actually, as strange as it sounds, if you did build a twin engined Piet, it wouldnot be the first. Several years ago, someone did build a Piet with two engines(A-65s I think). The really strange part was that they were installed withone sitting above the other. From memory, I recall reading that it had two counter-rotatingpropellers (one in front of the other) - one direct driven, andthe other belt driven. A very strange idea, with no good reason that I can thinkof to justify all the work necessary to achieve success, let alone all theextra weight.Bill C.Read this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Sat, 11 Feb 2012 20:49:17 -0800 (PST)
Cool! Exciting day for you Michael.Actually, as strange as it sounds, if you did build a twin engined Piet, it wouldnot be the first. Several years ago, someone did build a Piet with two engines(A-65s I think). The really strange part was that they were installed withone sitting above the other. From memory, I recall reading that it had two counter-rotatingpropellers (one in front of the other) - one direct driven, andthe other belt driven. A very strange idea, with no good reason that I can thinkof to justify all the work necessary to achieve success, let alone all theextra weight.Bill C.Read this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Sat, 11 Feb 2012 20:49:17 -0800 (PST)
Re: Pietenpol-List: Engine(s) Aquired!
Original Posted By: Michael Perez
Already done. One engine upside down on top ofthe other with a jackshaft between them. I have a pic here somewhere in my ancient ( pre Kitplanes ) mags but there are a LOT of them.Clif So are you building the world's first twin-engined Pietenpol? Jack Phillips NX899JP Smith Mountain Lake, Virginia ________________________________________________________________________________Date: Sun, 12 Feb 2012 06:46:13 -0800 (PST)
Already done. One engine upside down on top ofthe other with a jackshaft between them. I have a pic here somewhere in my ancient ( pre Kitplanes ) mags but there are a LOT of them.Clif So are you building the world's first twin-engined Pietenpol? Jack Phillips NX899JP Smith Mountain Lake, Virginia ________________________________________________________________________________Date: Sun, 12 Feb 2012 06:46:13 -0800 (PST)
Pietenpol-List: Exhaust stud hole
Original Posted By: Oscar Zuniga
Andrew=3BI have helicoiled two of the stud holes on my A65. I boughtthe kit on eBay for just a couple of bucks (drill bit=2C helicoiltool=2C a handful of helicoils=2C wooden dowel). After my heartsank when the first one spun in the head=2C my A&P calmed me downby loaning me his helicoil set and it turned out nice. Sowhen another one spun (I was replacing my mild steel stackswith stainless ones)=2C I was ready for the job.Oscar ZunigaAir Camper NX41CC "Scout"Flying Squirrel N2069Z "Rocket"Medford=2C ORwebsite at http://www.flysquirrel.net/rogueairparts.com ________________________________________________________________________________
Andrew=3BI have helicoiled two of the stud holes on my A65. I boughtthe kit on eBay for just a couple of bucks (drill bit=2C helicoiltool=2C a handful of helicoils=2C wooden dowel). After my heartsank when the first one spun in the head=2C my A&P calmed me downby loaning me his helicoil set and it turned out nice. Sowhen another one spun (I was replacing my mild steel stackswith stainless ones)=2C I was ready for the job.Oscar ZunigaAir Camper NX41CC "Scout"Flying Squirrel N2069Z "Rocket"Medford=2C ORwebsite at http://www.flysquirrel.net/rogueairparts.com ________________________________________________________________________________
Pietenpol-List: Fuel Tank and Engine
Original Posted By: shad bell
Ben wrote->I have the setup you describe and ended up with my cabanes tilted back 4 inches.>I extended my motor mounts 1.5 inches forward from the plans=2C>but I guess I could have gone a bit further. Pretty much an exact description of how Scout is set up. Ben=2C itsounds like I could blindfold you=2C point you in the general directionof our two airplanes=2C and you could start up and fly either one withoutknowing which one it was. Oh=2C but please remove the blindfold before you try toprop-start it =3Bo)Oscar ZunigaAir Camper NX41CC "Scout"Flying Squirrel N2069Z "Rocket"Medford=2C ORwebsite at http://www.flysquirrel.net/rogueairparts ________________________________________________________________________________Date: Sun, 12 Feb 2012 17:38:44 -0800 (PST)
Ben wrote->I have the setup you describe and ended up with my cabanes tilted back 4 inches.>I extended my motor mounts 1.5 inches forward from the plans=2C>but I guess I could have gone a bit further. Pretty much an exact description of how Scout is set up. Ben=2C itsounds like I could blindfold you=2C point you in the general directionof our two airplanes=2C and you could start up and fly either one withoutknowing which one it was. Oh=2C but please remove the blindfold before you try toprop-start it =3Bo)Oscar ZunigaAir Camper NX41CC "Scout"Flying Squirrel N2069Z "Rocket"Medford=2C ORwebsite at http://www.flysquirrel.net/rogueairparts ________________________________________________________________________________Date: Sun, 12 Feb 2012 17:38:44 -0800 (PST)