Original Posted By: helspersew(at)aol.com
A little update on my engine swap. Last weekend I got theengine started and everything came up normally but the enginedeveloped an oil leak about the time I was ready to shut itdown anyway. Also had a very slow drip from the Curtis valveon the gascolator and the prop was one bolt out of "clock" anda bit out of track.Today I took care of all those squawks. Re-clocked and shimmedthe prop to bring it into track, replaced the Curtis drain valveon the gascolator (DO NOT try to just replace the O-ring on thenose of the valve... if it leaks, replace it). The oil leakturned out to be at one of the oil gallery plugs at the frontof the engine and I think I'm eventually going to have to heli-coil it because the threads on that side aren't great. Enginestarted up just fine, runup was normal, and off we went to seatthe rings. Here are a couple of lessons learned.Performance figures willnot mean anything right now because the engine is very tightand I flew the airplane with the cowling off, in order to haveeverything where I could see it readily. If Dick Navratil canfly his Rotec radial powered piet with no cowling, so can I!And I also figured flying it without the cowling would providemore drag and thus more load on the engine to help with seatingthe rings.1. In a slip (or even in straight flight), a bare Piet firewallinto the wind is more effective than flaps, a belly board, andPrecise Flight wing spoilers. In other words, it has the coefficientof drag of a broadside barn door. My first approach to landingwas nearly vertical.2. With power on, this engine/prop combo goes into the redlineVERY quickly when the nose goes down and revs build very readily.Same for the airplane... nose down equals Vne very quickly unlesspower is pulled off right now. It didn't do that with the 65.3. (A) It gets VERY bumpy on an August afternoon. (B) The verticaltravel of the fuel needle on a Stromberg NAS3 carb is only about1/16" from full open to full shut. (C) When a Piet with aStromberg hits a big summer bump on downwind, the rapid verticalchange can bounce the float in the carb, making the enginehiccup momentarily. (D) When cautiously breaking in a new engineand it hiccups, it can make a Piet pilot's heart stop. I nowknow this ;o)The engine is running strong and smooth, starts easily (but isstill very stiff), and promises to provide the airplane with areal kick in the pants. The proof will come soon, as I put thecowling back on and get more relaxed in the airplane where Ican put it through its paces. Oscar ZunigaAir Camper NX41CC, A75 and Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________Subject: Pietenpol-List: Enduring attributes of the Pietenpol designDate: Sat, 08 Aug 2009 20:44:12 -0400
Pietenpol-List: Enduring attributes of the Pietenpol design
Re: Pietenpol-List: Enduring attributes of the Pietenpol design
Original Posted By: Oscar Zuniga
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Pietenpol-List: Milestone day in my Pietenpol build
Original Posted By: Oscar Zuniga
Ben; it's quite a feeling, isn't it? The work seems to gofaster and with more purpose once the airplane has a beatingheart.One small suggestion, and you may have already done this butit wasn't evident in the photo- while doing engine tests,keep a fire extinguisher handy and out of range of the engineand spinning prop. Mine could have come in handy when Ifirst started my A65 since my engine flooded frequentlybefore I got the hang of starting it, and things do tend toleak when you're doing initial fitup. There are plenty ofpictures and videos of fresh engine starts where a new projectburnt to the ground.Oscar ZunigaAir Camper NX41CC- A75 and Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________
Ben; it's quite a feeling, isn't it? The work seems to gofaster and with more purpose once the airplane has a beatingheart.One small suggestion, and you may have already done this butit wasn't evident in the photo- while doing engine tests,keep a fire extinguisher handy and out of range of the engineand spinning prop. Mine could have come in handy when Ifirst started my A65 since my engine flooded frequentlybefore I got the hang of starting it, and things do tend toleak when you're doing initial fitup. There are plenty ofpictures and videos of fresh engine starts where a new projectburnt to the ground.Oscar ZunigaAir Camper NX41CC- A75 and Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________
Pietenpol-List: side door cut out for front seat
Original Posted By: Oscar Zuniga
Referencing the 55-year-old guy that I gave a ride to andthat Tim mentioned, I want to clarify that the gentlemaninformed me that he had back and shoulder injuries, badknees, and was a smoker. He had an inordinately difficulttime climbing into my airplane due to his physical issues.It really isn't all that difficult.And to the matter of putting a red dot, "X", or other markon the front seat where a passenger should land their footwhen climbing in, the difficulty is that in that point ofthe maneuver, their head is well out the starboard side,and they cannot look down past the top longeron to see theseat. In cases like that, I generally help guide their foot to the proper place on the seat because they have noidea. The thing is, once a person has done it once ortwice, they seem to slither in much more easily, all thesooner to get settled in and airborne. I have never hada passenger get out and say they'll never go up in a Pietagain... most are ready and willing to go back up at thenext offer of a ride and it will be much easier for themto climb in the second time around.Except for women, who always seem to need assistance in theform of some strategically-placed manual guidance, eh Mikee??"Never disconcert the Ms.'s"- is that the new mantra?Oscar ZunigaAir Camper NX41CC- A75 with Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________
Referencing the 55-year-old guy that I gave a ride to andthat Tim mentioned, I want to clarify that the gentlemaninformed me that he had back and shoulder injuries, badknees, and was a smoker. He had an inordinately difficulttime climbing into my airplane due to his physical issues.It really isn't all that difficult.And to the matter of putting a red dot, "X", or other markon the front seat where a passenger should land their footwhen climbing in, the difficulty is that in that point ofthe maneuver, their head is well out the starboard side,and they cannot look down past the top longeron to see theseat. In cases like that, I generally help guide their foot to the proper place on the seat because they have noidea. The thing is, once a person has done it once ortwice, they seem to slither in much more easily, all thesooner to get settled in and airborne. I have never hada passenger get out and say they'll never go up in a Pietagain... most are ready and willing to go back up at thenext offer of a ride and it will be much easier for themto climb in the second time around.Except for women, who always seem to need assistance in theform of some strategically-placed manual guidance, eh Mikee??"Never disconcert the Ms.'s"- is that the new mantra?Oscar ZunigaAir Camper NX41CC- A75 with Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________
Pietenpol-List: Re: Magneto and prop for Model A
Original Posted By: "Will42"
As to the side door cutout, that entire side framing ofthe fuselage can be infilled with 1" thick polystyrenefoam board and glassed both sides, a la KR. That treatmentwill provide VERY adequate strength and stiffness to thearea where a door cutout is made. Normal fabriccovering can then proceed and the fiberglass will only bevisible inside the cockpits on the cutout side.I have no idea what the new load paths would be, butI'll wager that the cutout will no longer be the "soft"structural area of that side of the airplane.Oscar ZunigaAir Camper NX41CC- A75 with Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________Subject: Pietenpol-List: Re: Magneto and prop for Model A
As to the side door cutout, that entire side framing ofthe fuselage can be infilled with 1" thick polystyrenefoam board and glassed both sides, a la KR. That treatmentwill provide VERY adequate strength and stiffness to thearea where a door cutout is made. Normal fabriccovering can then proceed and the fiberglass will only bevisible inside the cockpits on the cutout side.I have no idea what the new load paths would be, butI'll wager that the cutout will no longer be the "soft"structural area of that side of the airplane.Oscar ZunigaAir Camper NX41CC- A75 with Culver propSan Antonio, TXmailto: taildrags(at)hotmail.comwebsite at http://www.flysquirrel.net________________________________________________________________________________Subject: Pietenpol-List: Re: Magneto and prop for Model A
Original Posted By: Oscar Zuniga
J. Anderson of Cloudcars propellers (325-356-2810) can recommend a prop and buildit too and he will work with you to find what you want/need.As for the magneto choice; there are lots of good mags out there and priced rightif you look around (ebay always has lots of them listed). A four cylinder tractormag with the correct rotation is what you need; also whether flange mountor base mount depending on your set-up. I would recommend a side drive ratherthan the end mount; it's much easier to get to if service is needed. You mightwant to talk to a magneto shop to see what mags still have service parts availableif needed.I haven't tried this but I believe a nice side drive can be fashioned from a governordrive set-up.WillRead this topic online here:http://forums.matronics.com/viewtopic.p ... __________
J. Anderson of Cloudcars propellers (325-356-2810) can recommend a prop and buildit too and he will work with you to find what you want/need.As for the magneto choice; there are lots of good mags out there and priced rightif you look around (ebay always has lots of them listed). A four cylinder tractormag with the correct rotation is what you need; also whether flange mountor base mount depending on your set-up. I would recommend a side drive ratherthan the end mount; it's much easier to get to if service is needed. You mightwant to talk to a magneto shop to see what mags still have service parts availableif needed.I haven't tried this but I believe a nice side drive can be fashioned from a governordrive set-up.WillRead this topic online here:http://forums.matronics.com/viewtopic.p ... __________
Re: Pietenpol-List: side door cut out for front seat
Original Posted By: Mark Roberts
Subject: Re: Pietenpol-List: side door cut out for front seat
Subject: Re: Pietenpol-List: side door cut out for front seat
Re: Pietenpol-List: Enduring attributes of the Pietenpol design
Original Posted By: shad bell
He's an inferior model but he'll suit our purposes!John HofmannVice-President, Information TechnologyThe Rees Group, Inc.2810 Crossroads Drive, Ste 3800Madison, WI 53718Phone: 608.443.2468 ext 150Fax: 608.443.2474Email: jhofmann(at)reesgroupinc.comOn Aug 9, 2009, at 5:38 PM, Jeff Boatright wrote:> >>> Hey, now! None o' that. I met John. He SEEMED right enough... > Allowances must be made for cheese intake and resultant output, but > I figger that's all just part of the charm of the natives...>>> >>>>> Jeff, If you've ever met John you'll realize that his size is just >> an excuse>> for not giving him a ride. There are other reasons...>>>> Jack Phillips>> NX899JP>>>>________________________________________________________________________________Date: Sun, 9 Aug 2009 17:08:41 -0700 (PDT)
He's an inferior model but he'll suit our purposes!John HofmannVice-President, Information TechnologyThe Rees Group, Inc.2810 Crossroads Drive, Ste 3800Madison, WI 53718Phone: 608.443.2468 ext 150Fax: 608.443.2474Email: jhofmann(at)reesgroupinc.comOn Aug 9, 2009, at 5:38 PM, Jeff Boatright wrote:> >>> Hey, now! None o' that. I met John. He SEEMED right enough... > Allowances must be made for cheese intake and resultant output, but > I figger that's all just part of the charm of the natives...>>> >>>>> Jeff, If you've ever met John you'll realize that his size is just >> an excuse>> for not giving him a ride. There are other reasons...>>>> Jack Phillips>> NX899JP>>>>________________________________________________________________________________Date: Sun, 9 Aug 2009 17:08:41 -0700 (PDT)
Re: Pietenpol-List: Enduring attributes of the Pietenpol design
Original Posted By: "Gene & Tammy"
Subject: Re: Pietenpol-List: Enduring attributes of the Pietenpol designOh I never take kids up alone, I just told you that so you'd work for me________________________________________________________________________________
Subject: Re: Pietenpol-List: Enduring attributes of the Pietenpol designOh I never take kids up alone, I just told you that so you'd work for me________________________________________________________________________________