Pietenpol-List: swinging the compass

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Pietenpol-List: swinging the compass

Post by matronics »

Original Posted By: "taildrags"
A gentleman south of me, in northern California, was looking for a core some monthsago and contacted me to see if I could help. I suggested that he searchfor Corsa clubs in his area to see if they could help. When I asked him aboutit later, he said that he got the cold shoulder from Corsa because they believethat we are destroying good auto engines, discarding useful parts, and removingthe best engines from the remaining inventory of rebuildable Corvair engines.Bottom line, don't expect to get a smile and a handshake from every Corsamember when you tell them that you're looking for a core engine to convert toaircraft use.--------Oscar ZunigaMedford, ORAir Camper NX41CC "Scout"A75 powerRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: swinging the compass
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Post by matronics »

Original Posted By: glenschweizer(at)yahoo.com
Okay, so one of the items on my return to airworthiness to-do list is to "swingthe compass" so I can fill out the compass deviation card. Several annual inspectionsago, I was written up for not having a deviation card on the compass,so I got one. It was blank, but no matter... I had one and the annual was issued.Go figure.Now that everything is pretty much back in place on the airplane I'm ready to swingthe compass and fill out the deviation card. Supposedly, the compass shouldbe re-swung anytime you add or remove anything ferrous or electronic, or ifyou've had a jolt or accident, or if the airplane has been sitting on the sameheading for more than a year or something (which mine has). I've read up onthe procedure (quite simple) and am getting the requisite brass screwdriverto make the adjustments with.There is no compass rose on my home field, so I plan to fly 24NM to a nearby fieldwhich does have a rose, and I'll swing the compass in proper fashion. Theregs say that if I can get the principal headings to read within 10* of correctheading after adjusting the compensators in the compass, I'm good to go. Anybodyelse have any comments, tips, or stories about swinging your compass? I actually find my compass to be very useful for my simple kind of flying, sinceI don't have a NAV and although I have a Garmin GPSMap 196, I haven't usedit in the Piet.--------Oscar ZunigaMedford, ORAir Camper NX41CC "Scout"A75 powerRead this topic online here:http://forums.matronics.com/viewtopic.p ... __________
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Re: Pietenpol-List: swinging the compass

Post by matronics »

Original Posted By: "Jack Phillips"
Hi OscarIt's exciting to hear of your progress. Just an FYI, The 99's(a ladies pilotorganization ) does a lot of compass rose painting at many airports. You maywant to contact them for a rose at your airportSent from my iPhone> On Mar 2, 2014, at 9:06 PM, "taildrags" wrote:> > > Okay, so one of the items on my return to airworthiness to-do list is to "swingthe compass" so I can fill out the compass deviation card. Several annualinspections ago, I was written up for not having a deviation card on the compass,so I got one. It was blank, but no matter... I had one and the annual wasissued. Go figure.> > Now that everything is pretty much back in place on the airplane I'm ready toswing the compass and fill out the deviation card. Supposedly, the compass shouldbe re-swung anytime you add or remove anything ferrous or electronic, orif you've had a jolt or accident, or if the airplane has been sitting on thesame heading for more than a year or something (which mine has). I've read upon the procedure (quite simple) and am getting the requisite brass screwdriverto make the adjustments with.> > There is no compass rose on my home field, so I plan to fly 24NM to a nearbyfield which does have a rose, and I'll swing the compass in proper fashion. Theregs say that if I can get the principal headings to read within 10* of correctheading after adjusting the compensators in the compass, I'm good to go.Anybody else have any comments, tips, or stories about swinging your compass?I actually find my compass to be very useful for my simple kind of flying, sinceI don't have a NAV and although I have a Garmin GPSMap 196, I haven't usedit in the Piet.> > --------> Oscar Zuniga> Medford, OR> Air Camper NX41CC "Scout"> A75 power> > > > > Read this topic online here:> > http://forums.matronics.com/viewtopic.p ... 693#419693> > > > > > > > > > ________________________________________________________________________________
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RE: Pietenpol-List: swinging the compass

Post by matronics »

Original Posted By: owner-pietenpol-list-server(at)matronics.com
Oscar,Just be sure that you have the airplane in level flight attitude, and besure the controls are neutral, or close to it. Try moving that steel tubejoystick around and see how much your compass moves in response. It variesof course with compass location, but mine, with the compass mounted near thetop of the instrument panel, changes by 10 or 20 degrees depending on theposition of the stick.I learned to check the compass against the runway heading when pulling outonto the runway when I was a student pilot on my first dual cross country.I was flying a Cessna 150, with the compass mounted on top of the instrumentpanel. My instructor set his steel coffee cup (one of the old blue enameledcamp style) on top of the instrument panel right next to the compass when hegot in. I set the directional gyro to the compass, not realizing thecompass was off by about 50 degrees. After taking off, I tried to set mycourse and realized something was wrong, but the magnetic compass and gyrocompass agreed with each other. My instructor asked what was wrong, and Iexplained my confusion. He just started laughing. It's not nice to try toconfuse a 16 year old kid, but I certainly learned from that experience.Jack PhillipsNX899JPSmith Mountain Lake, Virginia-----Original Message-----
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Re: Pietenpol-List: swinging the compass

Post by matronics »

Original Posted By: Steven Dortch
Is it required to be set at a compass rose? I can see it as a two man job if theaircraft has to be level and the engine running. Can it be done with a gpsunit on board?--------John FrancisRead this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Mon, 3 Mar 2014 08:25:32 -0600Subject: Re: Pietenpol-List: swinging the compass
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Pietenpol-List: Re: swinging the compass

Post by matronics »

Original Posted By: "taildrags"
"Smile son, never disconcert the masses."In other words, don't worry, it'll come...Don EmchNX899DERead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: swinging the compass
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Pietenpol-List: Re: swinging the compass

Post by matronics »

Original Posted By: "taildrags"
Although swinging the compass is a good and important check, fear not--that compass will get you home even if it is off a few degrees. In my sailboat out in the Atlantic, that's all I had, and it got me home-always. Calibrated? Nope!Sent from my iPadOn Mar 3, 2014, at 8:25 AM, Steven Dortch wrote:> Oscar, Don't forget to use non magnetic screwdrivers to do the adjusting. I actually made a couple from brass wire by flattening the ends.> > Basically, Go to the rose with the engine running, point it North and adjust it as best you can, then East, South and West readjusting on each heading and back to North. You may decide to split the differences. Then go back and check again noting the deviation remaining. You are supposed to have the deviation written on your card. That is about it.> > Blue Skies,> Steve D> > On Sun, Mar 2, 2014 at 11:06 PM, taildrags wrote:> > Okay, so one of the items on my return to airworthiness to-do list is to "swing the compass" so I can fill out the compass deviation card. Several annual inspections ago, I was written up for not having a deviation card on the compass, so I got one. It was blank, but no matter... I had one and the annual was issued. Go figure.> > Now that everything is pretty much back in place on the airplane I'm ready to swing the compass and fill out the deviation card. Supposedly, the compass should be re-swung anytime you add or remove anything ferrous or electronic, or if you've had a jolt or accident, or if the airplane has been sitting on the same heading for more than a year or something (which mine has). I've read up on the procedure (quite simple) and am getting the requisite brass screwdriver to make the adjustments with.> > There is no compass rose on my home field, so I plan to fly 24NM to a nearby field which does have a rose, and I'll swing the compass in proper fashion. The regs say that if I can get the principal headings to read within 10* of correct heading after adjusting the compensators in the compass, I'm good to go. Anybody else have any comments, tips, or stories about swinging your compass? I actually find my compass to be very useful for my simple kind of flying, since I don't have a NAV and although I have a Garmin GPSMap 196, I haven't used it in the Piet.> > --------> Oscar Zuniga> Medford, OR> Air Camper NX41CC "Scout"> A75 power> > > > > Read this topic online here:> > http://forums.matronics.com/viewtopic.p ... 693#419693> s List Un/Subscription,> www.matronics.com/Navigator?Pietenpol-List" target="_blank">http://www.matronics.com/Navigator?Pietenpol-List> ronics.com/" target="_blank">http://forums.matronics.com> Matt Dralle, List Admin.> ====> > > > > > ============================================================================================================================================> ________________________________________________________________________________Subject: Pietenpol-List: Re: swinging the compass
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Post by matronics »

Original Posted By: "Gary Boothe"
John K.-Well, yes- "close" is close enough, but for two things. (1) those pesky FARs (orCARS or whatever they're called nowadays) call for no more than 10 degreesoff on any of the cardinal headings, or you have to take more drastic action,and (2) back to what I said before... if you do it right the first time, you onlyhave to do it once. I doubt that I'll ever get ramp checked, but you neverknow. And I doubt that any inspector would ever write me up for my compassbeing out by more than 10 degrees, but you never know. Some inspector could catchme when he's having a bad day and just be itching to hang somebody on a technicality,then it's "Alice's Restaurant" all over again and I'll be down theresitting on the Group W bench with all these other guys who failed to fillout their compass deviation cards or report major changes to their aircraft.--------Oscar ZunigaMedford, ORAir Camper NX41CC "Scout"A75 powerRead this topic online here:http://forums.matronics.com/viewtopic.p ... __________
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RE: Pietenpol-List: Re: swinging the compass

Post by matronics »

Original Posted By: owner-pietenpol-list-server(at)matronics.com
Don't forget the 8x10 colored glossies...How blessed we are on the West Coast!! We're either going north or south,with the Sierra's or the Coast Range, in which case we can see either I-5 or101, or we're going to or from the Pacific Ocean....pretty hard to get lost!As far as compass cards go...I found it a very easy form to fill out!Besides, once you get up to 2,000', you can see where you're going to land!!(Well...just about...)Gary BootheNX308MB-----Original Message-----
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