---------------------------------------------------------- Pietenpol-List Digest Archive --- Total Messages Posted Sun 02/21/16: 8 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 10:38 AM - Shock cords (Donald A Mosher) 2. 11:00 AM - Pilot seat back angle (Donald A Mosher) 3. 11:31 AM - Re: Pilot seat back angle (Steven Dortch) 4. 12:25 PM - Re: Pilot seat back angle (dgaldrich) 5. 01:23 PM - Re: Fuse choices (Dave'sPiet) 6. 01:42 PM - Re: Starting my build, but need to know which fuselage to build! (Dave'sPiet) 7. 03:08 PM - Re: Shock cords (Amsafetyc) 8. 07:56 PM - Re: Starting my build, but need to know which fuselage to build! (taildrags) ________________________________ Message 1 _____________________________________ Time: 10:38:32 AM PST US Subject: Pietenpol-List: Shock cords From: Donald A Mosher andrea (andrea@modelberg.it) speaking about wooden landing gear and shock cords asked "how many loops and what cross section are you guys using?" That info was not included in the Air Camper plans in the 1932 Flying Manual. However Bernard wrote on page 34 of the 1933 issue of the Flying Manual, the one detailing building of the Sky Scout - "we had better put on some safety device to keep the ship from dropping to the ground if the shock cord breaks, since it seems that everybody has trouble wrapping shock cord. Here is the method we use: First, cut a piece of leather to fit around the bottom of the landing gear vee, and lace it on with lace leather. Now take 6 ft. of 1/2" shock cord and have someone hold it about half way up on the outside of the front landing gear strut. Take the other end and pass it under the landing gear vee, over the axle, under the landing gear, over the axle, under the vee on the inside of the first wrap, over the axle on the outside of the first wrap and under the vee on the inside of the last wrap until you have three wraps pulled quite tight." "The cord should be just long enough to make a good square knot and to permit taping of the ends. This method makes each wrap about the same length and you will not have any trouble with your shock cord cutting. The landing gear should give not over one inch with a full load in the ship, but neither should it be any tighter." I know that this method is in the Sky Scout construction write up, but Bernard advised people to have both the 1932 and the 1933 Flying Manuals to cover everything. The 1933 Flying Manual also says on page 30: "I wish to call attention to the brace right back of the bottom beam. This was changed from the plans of the Air Camper, and I advise all of you who have not built up your wing ribs to build them this way." So the Air Camper ribs in the 1934 Flying Manual had an erroneous brace position shown which was corrected in the 1933 Sky Scout Flying Manual. ________________________________ Message 2 _____________________________________ Time: 11:00:11 AM PST US Subject: Pietenpol-List: Pilot seat back angle From: Donald A Mosher Douwe brought up the fact that a relatively straight seat back can become uncomfortable on a longer flight. Standard furniture design uses 10 degrees to 15 degrees for chairs that are built for comfort. Many homebuilt pilot seats use 16 degrees. Uncle Tony says that you should figure on 6" of seat tilt back but doesn't tell us how high the seat back may be. Good design points out that when the seat back is tilted back, the seat bottom itself should be similarly tilted or it will tend to slide your butt forward. One pilot, when asked how long a cross country trip is in a Piet, muttered "xxxiftxx miles." "Fifty miles?" "No, fifteen miles." Doc ________________________________ Message 3 _____________________________________ Time: 11:31:33 AM PST US From: Steven Dortch Subject: Re: Pietenpol-List: Pilot seat back angle Tilting the seat back will also place your eyes further from the instruments. Just sitting in my Piet and the instruments are very close to me. I will have to wear readers when I fly! Steve D ________________________________ Message 4 _____________________________________ Time: 12:25:51 PM PST US Subject: Pietenpol-List: Re: Pilot seat back angle From: "dgaldrich" The recent fuselages we have built at Sun N Fun (starting with Dick Navratils Rotec powered one) simply moved the top of the back rearward 4 inches. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=453043#453043 ________________________________ Message 5 _____________________________________ Time: 01:23:22 PM PST US Subject: Pietenpol-List: Re: Fuse choices From: "Dave'sPiet" I believe the BHP plans make note of adding a very small amount of dihedral (1" at each tip?), for aesthetic purposes because the wing looks as though it is drooping at the ends even when it is perfectly flat. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=453045#453045 ________________________________ Message 6 _____________________________________ Time: 01:42:12 PM PST US Subject: Pietenpol-List: Re: Starting my build, but need to know which fuselage to build! From: "Dave'sPiet" Chris from Westcoastpiet knows a few builders with Piet's in my area, so I'm hoping to try out a few cockpits very soon. Kerri-Ann got back to me about her door mod plans- they can be used on different fuselages with only minor changes to a couple of dimensions. That was very good news. I was looking at the BHP drawings for the elevator controls and do not understand the reason for the bell crank/ jackshaft setup behind the pilot- why not run the cables from the stick all the way back to the tail? Seems like more weight in the tail, more complexity, and more things to go wrong. I read through the Flying & Glider Manuals as well- no reference as to why another shaft and bell crank is installed to run the elevator cables. Any ideas? I would think that with proper pulley size & positioning, a few fairleads should be able to handle the chore of routing the cables from the pilot station to the control horns on the elevator. Very curious. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=453046#453046 ________________________________ Message 7 _____________________________________ Time: 03:08:48 PM PST US Subject: Re: Pietenpol-List: Shock cords From: Amsafetyc Doc You're amazing! Looking forward to seeing you this July John Recine Sent from my iPhone > On Feb 21, 2016, at 1:37 PM, Donald A Mosher wrote : > > andrea (andrea@modelberg.it) speaking about wooden landing gear and shock c ords asked "how many loops and what cross section are you guys using?" That info was not included in the Air Camper plans > in the 1932 Flying Manual. > > However Bernard wrote on page 34 of the 1933 issue of the Flying Manual, t he one detailing building of the Sky Scout - "we had better put on some safe ty device to keep the ship from dropping to the ground if the shock cord bre aks, since it seems that everybody has trouble wrapping shock cord. Here is t he method we use: First, cut a piece of leather to fit around the bottom of t he landing gear vee, and lace it on with lace leather. Now take 6 ft. of 1/2 " shock cord and have someone hold it about half way up on the outside of th e front landing gear strut. Take the other end and pass it under the landing gear vee, over the axle, under the landing gear, over the axle, under the v ee on the inside of the first wrap, over the axle on the outside of the fir st wrap and under the vee on the inside of the last wrap until you have thre e wraps pulled quite tight." > > "The cord should be just long enough to make a good square knot and to per mit taping of the ends. This method makes each wrap about the same length an d you will not have any trouble with your shock cord cutting. The landing ge ar should give not over one inch with a full load in the ship, but neither s hould it be any tighter." > > I know that this method is in the Sky Scout construction write up, but Ber nard advised people to have both the 1932 and the 1933 Flying Manuals to cov er everything. > > The 1933 Flying Manual also says on page 30: "I wish to call attention to t he brace right back of the bottom beam. This was changed from the plans of t he Air Camper, and I advise all of you who have not built up your wing ribs t o build them this way." So the Air Camper ribs in the 1934 Flying Manual h ad an erroneous brace position shown which was corrected in the 1933 Sky Sco ut Flying Manual. ________________________________ Message 8 _____________________________________ Time: 07:56:34 PM PST US Subject: Pietenpol-List: Re: Starting my build, but need to know which fuselage to build! From: "taildrags" Dave; I guess I didn't realize you were in northern California. Where, exactly? I'm about 35 miles north of the CA-OR border, right on I-5, in Medford and you are welcome to look at, sit in, measure, photograph, and examine my Air Camper any time you'd like. You would also do well to try to get to the West Coast Piet Fly-In the first weekend of June, down at Frazier Lane (near Hollister/Gilroy). There should be several different examples of Air Campers there including one with a steel tube fuselage. -------- Oscar Zuniga Medford, OR Air Camper NX41CC "Scout" A75 power Read this topic online here: http://forums.matronics.com/viewtopic.php?p=453060#453060 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message pietenpol-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Pietenpol-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/pietenpol-list Browse Digests http://www.matronics.com/digest/pietenpol-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.