Pietenpol-List Digest Archive

Thu 01/31/08


Total Messages Posted: 30



Today's Message Index:
----------------------
 
     1. 05:55 AM - Re: translating from Spanish (jimd)
     2. 06:08 AM - Re: Oversize piet (jimd)
     3. 06:38 AM - Re: translating from Spanish (Michael Silvius)
     4. 07:08 AM - Re: Butt rib covering  (Jack T. Textor)
     5. 08:21 AM - For Sale - Off Subject (Barry Davis)
     6. 09:24 AM - Re: Re: Oversize piet (Owen Davies)
     7. 09:45 AM - Re: 1933 Fuselage, no grease required (Cuy, Michael D. (GRC-RXD0)[ASRC])
     8. 09:49 AM - Florida trip ()
     9. 10:26 AM - Better name for "big" piet (Steve Glass)
    10. 10:27 AM - Re: Butt rib covering  (Steve Eldredge)
    11. 10:46 AM - Re: Better name for "big" piet (KMHeide, BA, CPO, FAAOP)
    12. 11:16 AM - Re: Better name for "big" piet (hvandervoo@aol.com)
    13. 11:19 AM - Re: Better name for "big" piet (Isablcorky@aol.com)
    14. 11:35 AM - Re: Better name for "big" piet (AMsafetyC@aol.com)
    15. 11:36 AM - Re: Better name for "big" piet (AMsafetyC@aol.com)
    16. 11:37 AM - Re: Better name for "big" piet (AMsafetyC@aol.com)
    17. 12:19 PM - Re: Plywood (jimd)
    18. 01:12 PM - Re: Butt rib covering  (Scott Schreiber)
    19. 02:16 PM - Possible engine alternative (Owen Davies)
    20. 02:23 PM - Re: Possible engine alternative (jimisown@aol.com)
    21. 03:55 PM - Re: Possible engine alternative (Owen Davies)
    22. 04:36 PM - Re: Possible engine alternative (Ken Chambers)
    23. 05:42 PM - Plywood (Richard Schreiber)
    24. 05:43 PM - Re: Possible engine alternative (gcardinal)
    25. 06:29 PM - Re: Possible engine alternative (Owen Davies)
    26. 06:29 PM - Re: Possible engine alternative (amsafetyc@aol.com)
    27. 06:36 PM - Re: Possible engine alternative (Owen Davies)
    28. 07:27 PM - Re: Sport Aviation Magazine (Dick Navratil)
    29. 09:50 PM - Re: Better name for "big" piet (Clif Dawson)
    30. 11:01 PM - Names for Pietenpol (KMHeide, BA, CPO, FAAOP)
 
 
 


Message 1


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    Time: 05:55:52 AM PST US
    Subject: Re: translating from Spanish
    From: "jimd" <jlducey@hotmail.com>
    Oscar, I am patient, and appreciate anything you do, as you certainly are doing me a favor. The magneto's are interesting to me if for no other reason than their size, they look almost like dual starters sitting on top of the engine. One is complete, one is missing a bolt like thing on the propeller side with a wire feeding in to it. If I knew what that was called I might be able to find one, though i think I will end up having to fabricate one. Those automatic translation programs are funny, I played with them a bit. Have a voice typing program that you can talk into a microphone and the program converts your words to text.. if you watch it you stop every few seconds, its a hoot to talk for about 10 minutes before looking, as then there will be crazy stuff written out. Lot of fun, but slower than typing normally for me. Thanks Oscar, Jim Read this topic online here: http://forums.matronics.com/viewtopic.php?p=161536#161536


    Message 2


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    Time: 06:08:26 AM PST US
    Subject: Re: Oversize piet
    From: "jimd" <jlducey@hotmail.com>
    Have to admit a Tailwind or Buttercup is very appealing. Heard one of the Tailwinds was able to run 170 on 85hp. Thats pretty good for a 1950's design. Saw that someone made a retractable gear one, and wondered what it would take to make one with a cantilever aluminum wet wing, with a Corvair engine, would make a pretty cool cross county plane... course it would be smarter to leave it as designed, as that is a proven design. Think the highly touted Corvair crank failures would make me think twice about using one for anything aerobatic, certainly wouldn't do it with a prop extension. Probably like the GPU engines, if it wasn't designed to handle forces from propellers, it may work but you wouldn't want to push it to any kind of extreme limit, which is what aerobatics can easily do. Wonder if anyone has built one for that purpose, put in inverted fuel/oil, etc? Jim Read this topic online here: http://forums.matronics.com/viewtopic.php?p=161539#161539


    Message 3


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    Time: 06:38:39 AM PST US
    From: "Michael Silvius" <silvius@gwi.net>
    Subject: Re: translating from Spanish
    Oscar: If you need help with the translation let me know I can help. Michael ----- Original Message ----- From: "Oscar Zuniga" <taildrags@hotmail.com> > > Yes, and I started with the magneto manual (probably the one that interests Jim the least!) and it isn't too difficult. It's a labor of love as well as a way to keep Dr. Alzheimer at bay. They say that keeping one's mind challenged and engaged helps stave off "senility". My Dad, all but one of my uncles and aunts, and various other of my family members have all slipped into Alzheimer's clutches. I can't keep him away forever, but it sure is fun keeping my mind and body engaged in fun stuff like airplanes, engines, and trying to fly! Jim, if you have the patience to wait for me to translate the documents, I'm sure having fun keeping Alzheimer outside my hangar doing it.


    Message 4


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    Time: 07:08:11 AM PST US
    Subject: Butt rib covering
    From: "Jack T. Textor" <jtextor@thepalmergroup.com>
    Steve, Not sure I can visualize what you are describing. I too used the 1/16x2" cap around the perimeter of the rib. I assume you secured the end rib to the spare and it still pulled loose from the spar? Thanks, Jack www.textors.com I used 2" strip of ply attached the ribs all the way around, but it wasn't enough. After a few hours the sucker puckered. Both wings right at the spars. I discovered that the pull of the fabric was enough to move the ribs outward toward the tips at the spars. I fixed it by installing spar caps =BC" high and 2" long on top and bottom of the spars and pulled things tight again with a couple of C-clamps. It required removing the wings and lots of figgiting to get it fixed. At that point cutting it off at the edge of the ply was no problem. If I had wrapped it, I would have had a heck of a time fixing the pucker. Steve E. From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Scott Schreiber Sent: Tuesday, January 29, 2008 10:46 PM Subject: Pietenpol-List: Butt rib covering I am covering the wings right now and part of the stitts manual doesn't seem to really apply to the Piet 3 piece wing. The pictures and text refer to the butt rib as a mostly solid rib where ours are an open lattice without much to anchor fabric to and allot of areas of fabric to be cut away around spars and cable runs. Did those of you who have covered your planes cut it off flush with the end of the 1/16 ply on top of the rib or did you carry it all the way across the rib as in the stitts manual? I have about a foot hanging over now so I can go either way. -Scott http://www.matronics.com/Navigator?Pietenpol-List http://www.matronics.com/contribution


    Message 5


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    Time: 08:21:13 AM PST US
    From: "Barry Davis" <bed@mindspring.com>
    Subject: For Sale - Off Subject
    My tailwheel instructor's father built most of an Acrosport before he passed. (Quality workmanship)This is for sale. If anyone is interested, I have pics. Please contact me off the Piet Group or call Tim Rowley directly at 770-301-1573 Thanks Barry


    Message 6


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    Time: 09:24:16 AM PST US
    From: Owen Davies <owen5819@comcast.net>
    Subject: Re: Oversize piet
    jimd wrote: > Have to admit a Tailwind or Buttercup is very appealing. Heard one of the Tailwinds was able to run 170 on 85hp. Thats pretty good for a 1950's design. Or any other decade. Mr. Wittman knew more about squeezing mph out of hp, not to mention $, than just about anyone else who has ever designed a plane. > Saw that someone made a retractable gear one, and wondered what it would take to make one with a cantilever aluminum wet wing, with a Corvair engine, would make a pretty cool cross county plane... course it would be smarter to leave it as designed, as that is a proven design. > I suspect Mr. Wittman would have hated the idea of adding the weight of retractable gear to his design, and it probably would not add much to the efficiency of his steel spring gear. Not a lot of drag there. (See comment above!) Someone did make an aluminum wing for the Tailwind, and plans were available, last I heard. Someone on the Tailwind list ought to know where to find him, and he used to run a classified in the back of Sport Aviation--maybe ten years ago?--if that doesn't work out. The struts were still used; it's probably lighter than a cantilever wing. At the time, most Tailwind enthusiasts seemed to figure that the original wing was a known quantity, so why mess with it? Also, it seemed like most people just preferred working with wood. > Think the highly touted Corvair crank failures would make me think twice about using one for anything aerobatic ... Wonder if anyone has built one for that purpose, put in inverted fuel/oil, etc? Not that I've heard. Even with a nitrided crank, it's a bit underbuilt for that kind of force, and most people who have looked into the Corvair probably realize it. Of course, perhaps one could add a belt speed reducer (even 1:1) between the crank and the prop to take up the forces the crank wouldn't like. Of course, it also would add weight. Owen


    Message 7


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    Time: 09:45:51 AM PST US
    Subject: 1933 Fuselage, no grease required
    From: "Cuy, Michael D. (GRC-RXD0)[ASRC]" <michael.d.cuy@nasa.gov>
    Thank you, Jim & guys. That photo was taken by a local Stinson 108 pilot and all round nice guy Brian Orians back last August when they had a little doing for this guy, super nice guy, Don Helmick who has owned and lived at Valley City Airport since the early 1960's. That is Don by his Cub on snow skis from a year or two ago.


    Message 8


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    Time: 09:49:00 AM PST US
    Subject: Florida trip
    From: <harvey.rule@bell.ca>
    We had a fantastic trip down to Daytona Florida.We went to Palatka and Elden Jackson was really a great guy to come back to the airstrip that day to show me around their hangers and planes.The only thing I regret was that I didn't get a picture of Elden and I standing beside their Piet.I would like to thank Elden for his hospitality and time.I have included a few pictures of their aircraft in the hanger.If I ever get down that way again and the offer is still on the table,I will take that plane ride and spend more time for a few brews.Many thanks to the wonderful people at Palatka airstrip.Thanks for making our trip extra special!


    Message 9


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    Time: 10:26:38 AM PST US
    From: Steve Glass <redsglass@hotmail.com>
    Subject: Better name for "big" piet
    Hi Instead of oversize Piet, we need a better name to describe the full cut p ietenpol. I will suggest a few maybe somebody else has a term that would be better th an OVERSIZE. How about - Piet Plus - Piet plus 2 - Piet plus 3 etc etc - Supersize Piet - Jumbo Piet Anybody else have a suggestion? Steve in Maine


    Message 10


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    Time: 10:27:59 AM PST US
    From: Steve Eldredge <steve@byu.edu>
    Subject: Butt rib covering
    Aye. That is what happened. I glued and nailed it, but after a while it all poi nts of contact between the root-end ribs on both wing panels began a march toward the wingtip. The movement resulted in the 1/16 x 2 inch strip to d evelop quite a wave at the spar. Very unsightly. I fixed it by adding mor e glue surface area behind the rib/spar intersection and pulled it tight wh ile the glue set. Fine since. Stevee From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-lis t-server@matronics.com] On Behalf Of Jack T. Textor Sent: Thursday, January 31, 2008 8:02 AM Subject: RE: Pietenpol-List: Butt rib covering Steve, Not sure I can visualize what you are describing. I too used the 1/16x2" c ap around the perimeter of the rib. I assume you secured the end rib to th e spare and it still pulled loose from the spar? Thanks, Jack www.textors.com I used 2" strip of ply attached the ribs all the way around, but it wasn't enough. After a few hours the sucker puckered. Both wings right at the sp ars. I discovered that the pull of the fabric was enough to move the ribs outward toward the tips at the spars. I fixed it by installing spar caps =BC" high and 2" long on top and bottom of the spars and pulled things tigh t again with a couple of C-clamps. It required removing the wings and lots of figgiting to get it fixed. At that point cutting it off at the edge of the ply was no problem. If I h ad wrapped it, I would have had a heck of a time fixing the pucker. Steve E. From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-lis t-server@matronics.com] On Behalf Of Scott Schreiber Sent: Tuesday, January 29, 2008 10:46 PM Subject: Pietenpol-List: Butt rib covering I am covering the wings right now and part of the stitts manual doesn't see m to really apply to the Piet 3 piece wing. The pictures and text refer to the butt rib as a mostly solid rib where ours are an open lattice without m uch to anchor fabric to and allot of areas of fabric to be cut away around spars and cable runs. Did those of you who have covered your planes cut it off flush with the end of the 1/16 ply on top of the rib or did you carry i t all the way across the rib as in the stitts manual? I have about a foot h anging over now so I can go either way. -Scott http://www.matronics.com/Navigator?Pietenpol-List http://www.matronics.com/contribution http://www.matronics.com/contribution


    Message 11


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    Time: 10:46:33 AM PST US
    From: "KMHeide, BA, CPO, FAAOP" <kmheidecpo@yahoo.com>
    Subject: Re: Better name for "big" piet
    "WideBody" Piet Steve Glass <redsglass@hotmail.com> wrote: .hmmessage P { margin:0px; padding:0px } body.hmmessage { FONT-SIZE: 10pt; FONT-FAMILY:Tahoma } Hi Instead of oversize Piet, we need a better name to describe the full cut pietenpol. I will suggest a few maybe somebody else has a term that would be better than OVERSIZE. How about - Piet Plus - Piet plus 2 - Piet plus 3 etc etc - Supersize Piet - Jumbo Piet Anybody else have a suggestion? Steve in Maine Kenneth M. Heide, BA, CPO, FAAOP ---------------------------------


    Message 12


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    Time: 11:16:33 AM PST US
    Subject: Re: Better name for "big" piet
    From: hvandervoo@aol.com
    - Air Camper XL Hans -----Original Message----- From: Steve Glass <redsglass@hotmail.com> Sent: Thu, 31 Jan 2008 11:50 am Subject: Pietenpol-List: Better name for "big" piet Hi Instead of oversize Piet,? we need a better name to describe the full cut pietenpol. I will suggest a few maybe somebody else has a term that would be better than OVERSIZE. How about -?? Piet Plus -?? Piet plus 2 -?? Piet plus 3 etc etc -?? Supersize Piet -?? Jumbo Piet Anybody else have a suggestion? Steve in Maine ________________________________________________________________________


    Message 13


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    Time: 11:19:37 AM PST US
    From: Isablcorky@aol.com
    Subject: Re: Better name for "big" piet
    How bout something we olders dream about " Bigger Pieters " Nathan **************Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489


    Message 14


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    Time: 11:35:49 AM PST US
    From: AMsafetyC@aol.com
    Subject: Re: Better name for "big" piet
    Monster piete Piet a Palooza Pieten Bilt Piet a dactyle Colossal Piet Wide flyer Perfect Piet Pure Piet Piet a tude Nothing butt Piet Neat Piet Sweet Piet Piet power Pietenpol Air camper 1 wide Piet King of sky to name a few John In a message dated 1/31/2008 1:27:35 P.M. Eastern Standard Time, redsglass@hotmail.com writes: Hi Instead of oversize Piet, we need a better name to describe the full cut pietenpol. I will suggest a few maybe somebody else has a term that would be better than OVERSIZE. How about - Piet Plus - Piet plus 2 - Piet plus 3 etc etc - Supersize Piet - Jumbo Piet Anybody else have a suggestion? Steve in Maine (http://www.matronics.com/Navigator?Pietenpol-List) (http://www.matronics.com/contribution) **************Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489


    Message 15


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    Time: 11:36:20 AM PST US
    From: AMsafetyC@aol.com
    Subject: Re: Better name for "big" piet
    you are the man! In a message dated 1/31/2008 2:20:30 P.M. Eastern Standard Time, Isablcorky@aol.com writes: How bout something we olders dream about " Bigger Pieters " Nathan ____________________________________ Start the year off right. _Easy ways to stay in shape_ (http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489) in the new year. (http://www.matronics.com/Navigator?Pietenpol-List) (http://www.matronics.com/contribution) **************Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489


    Message 16


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    Time: 11:37:57 AM PST US
    From: AMsafetyC@aol.com
    Subject: Re: Better name for "big" piet
    Wide flyers never die, the just get bigger pieters built the borrowed theme of an old truckers saying John In a message dated 1/31/2008 2:20:30 P.M. Eastern Standard Time, Isablcorky@aol.com writes: How bout something we olders dream about " Bigger Pieters " Nathan ____________________________________ Start the year off right. _Easy ways to stay in shape_ (http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489) in the new year. (http://www.matronics.com/Navigator?Pietenpol-List) (http://www.matronics.com/contribution) **************Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489


    Message 17


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    Time: 12:19:09 PM PST US
    Subject: Re: Plywood
    From: "jimd" <jlducey@hotmail.com>
    About the .040, I had a couple reasons to use it. First it was available reasonably priced. Second, my upper wing is .024, while .016 was called for and it is a bit too flimsy, but should be out of way (except maybe for birds..) so .040 seemed stiffer. The only benefit to it would be I think it would be less likely to dent then .024 or .016. However think the nicest looking leading edges have been wood, with wood the coefficient of expansion is close to the rest of the wood in the wing, so it can all be glued together to make a solid unit. So I will look for wood for the lower wing. Not going to redo the upper though, so the question is, what is the best way to deal with the nails? Saw in the old glider manual a suggestion to put solder on them (course they were talking the old acid core, and were also looking at recovering their planes every couple years.) Cloth tape will cover it, but sounds like nails work there way up. Anyone tried epoxy or anything like that (maybe soaking the cloth tape?) Will ask folks at the Stewart Sytems class this weekend. Appreciate the common sense, sometimes I deviate from it a wee bit. Jim Read this topic online here: http://forums.matronics.com/viewtopic.php?p=161642#161642


    Message 18


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    Time: 01:12:44 PM PST US
    From: "Scott Schreiber" <got22b@subarubrat.com>
    Subject: Re: Butt rib covering
    Oh, so you saying the rib itself bowed in not the fabric pulled away from the 2x 1/16 rib cap. I have the braces per plan and it is glued full length of the uprights so I can't imagine that happening. My concern was the end of the wing being open or the fabric covering it. I went ahead and covered it but with the openings for the spars and cable it dosen't seem like it would do much if the 2 inch strips didn't hold. -Scott ----- Original Message ----- From: Steve Eldredge To: pietenpol-list@matronics.com Sent: Thursday, January 31, 2008 11:01 AM Subject: RE: Pietenpol-List: Butt rib covering Aye. That is what happened. I glued and nailed it, but after a while it all points of contact between the root-end ribs on both wing panels began a march toward the wingtip. The movement resulted in the 1/16 x 2 inch strip to develop quite a wave at the spar. Very unsightly. I fixed it by adding more glue surface area behind the rib/spar intersection and pulled it tight while the glue set. Fine since. Stevee From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jack T. Textor Sent: Thursday, January 31, 2008 8:02 AM To: pietenpol-list@matronics.com Subject: RE: Pietenpol-List: Butt rib covering Steve, Not sure I can visualize what you are describing. I too used the 1/16x2" cap around the perimeter of the rib. I assume you secured the end rib to the spare and it still pulled loose from the spar? Thanks, Jack www.textors.com I used 2" strip of ply attached the ribs all the way around, but it wasn't enough. After a few hours the sucker puckered. Both wings right at the spars. I discovered that the pull of the fabric was enough to move the ribs outward toward the tips at the spars. I fixed it by installing spar caps =BC" high and 2" long on top and bottom of the spars and pulled things tight again with a couple of C-clamps. It required removing the wings and lots of figgiting to get it fixed. At that point cutting it off at the edge of the ply was no problem. If I had wrapped it, I would have had a heck of a time fixing the pucker. Steve E. From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Scott Schreiber Sent: Tuesday, January 29, 2008 10:46 PM To: pietenpol-list@matronics.com Subject: Pietenpol-List: Butt rib covering I am covering the wings right now and part of the stitts manual doesn't seem to really apply to the Piet 3 piece wing. The pictures and text refer to the butt rib as a mostly solid rib where ours are an open lattice without much to anchor fabric to and allot of areas of fabric to be cut away around spars and cable runs. Did those of you who have covered your planes cut it off flush with the end of the 1/16 ply on top of the rib or did you carry it all the way across the rib as in the stitts manual? I have about a foot hanging over now so I can go either way. -Scott http://www.matronics.com/Navigator?Pietenpol-List http://www.matronics.com/contribution http://www.matronics.com/contribution Use the Matronics List Features Navigator to browsehttp://www.matro - MATRONICS WEB FORUMS - http://forums.matronics.com -Matt Dralle, List Admihref="http://www.matronics.com/contribution">http://www.matronics.c om/con


    Message 19


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    Time: 02:16:42 PM PST US
    From: Owen Davies <owen5819@comcast.net>
    Subject: Possible engine alternative
    Bob Hoover (the other Bob Hoover, at http://bobhooversblog.blogspot.com/) mentioned the following in his entry for 11/16/06: "This may come as a surprise but there are modern industrial engines that weigh less than the Model A and produce more torque at an even lower rpm. GM makes a nice one. $1600 brand new in the crate from the factory. It cranks out an honest 65 hp @ 1800 rpm, giving you more than twice the thrust of the Model A. The engine, which has been in production since about 1965, is also available used and overhauled, in both long and short block versions. Just be sure you get it with the Industrial Engine cam instead of the Marine Engine cam. The marine version runs at a much higher rpm. Ford makes a similar engine although I'm not familiar with its specs." I've looked for it and can't find it, so it may have been discontinued. I'll drop him a note one of these days and ask where to find that engine. But first I'm wondering whether anyone has ever seen such an animal on the nose of a Piet. Anyone? I wonder what it would cost from a good reman shop? Thanks. Owen


    Message 20


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    Time: 02:23:04 PM PST US
    Subject: Re: Possible engine alternative
    From: jimisown@aol.com
    I was wondering about the same. What about a Buick 215 V-8? -----Original Message----- From: Owen Davies <owen5819@comcast.net> Sent: Thu, 31 Jan 2008 5:13 pm Subject: Pietenpol-List: Possible engine alternative ? Bob Hoover (the other Bob Hoover, at http://bobhooversblog.blogspot.com/) mentioned the following in his entry for 11/16/06:? ? "This may come as a surprise but there are modern industrial engines that weigh less than the Model A and produce more torque at an even lower rpm. GM makes a nice one. $1600 brand new in the crate from the factory. It cranks out an honest 65 hp @ 1800 rpm, giving you more than twice the thrust of the Model A. The engine, which has been in production since about 1965, is also available used and overhauled, in both long and short block versions. Just be sure you get it with the Industrial Engine cam instead of the Marine Engine cam. The marine version runs at a much higher rpm. Ford makes a similar engine although I'm not familiar with its specs."? ? I've looked for it and can't find it, so it may have been discontinued. I'll drop him a note one of these days and ask where to find that engine. But first I'm wondering whether anyone has ever seen such an animal on the nose of a Piet. Anyone?? ? I wonder what it would cost from a good reman shop?? ? Thanks.? ? Owen? ? ? ? ________________________________________________________________________


    Message 21


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    Time: 03:55:12 PM PST US
    From: Owen Davies <owen5819@comcast.net>
    Subject: Re: Possible engine alternative
    jimisown@aol.com wrote: > I was wondering about the same. What about a Buick 215 V-8? I don't suppose it could weigh much more than a Model A. My memory isn't very reliable, but it claims that Mr. Wittman was getting about 125 hp out of it spinning a small prop at nearly 3500 rpm. No idea what the power curve would give you at revs suitable for a Piet-size prop. How long is the prop used in Piet Corvair installations? How fast does it turn? Owen


    Message 22


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    Time: 04:36:23 PM PST US
    From: "Ken Chambers" <ken.riffic@gmail.com>
    Subject: Re: Possible engine alternative
    Hey Owen There is a Curtiss replica that taxis and swings a big prop with the big GM 4, the 181 I think they call it. It's a non-flying replica so it has no hours. You might be able to google and find it. A couple of things I've noticed with this engine, though. It's heavy at about 285 pounds. I'm not sure how this compares to the actual weight of a Model A when it's converted for use in a Pietenpol.. Big 4s like this are known for rocking front to back. This is a really big 4, it doesn't have balance shafts, and it has a reputation for vibration among hot rodders. I've seen them recommend against using it for this reason. The crankshaft durability is unknown in this application, whereas the Model A crankshaft has proven to hold up. Ken, who goofs off at work by researching alternatives to Model As On Jan 31, 2008 5:52 PM, Owen Davies <owen5819@comcast.net> wrote: > > jimisown@aol.com wrote: > > I was wondering about the same. What about a Buick 215 V-8? > I don't suppose it could weigh much more than a Model A. My memory isn't > very reliable, but it claims that Mr. Wittman was getting about 125 hp > out of it spinning a small prop at nearly 3500 rpm. No idea what the > power curve would give you at revs suitable for a Piet-size prop. > > How long is the prop used in Piet Corvair installations? How fast does > it turn? > > Owen > >


    Message 23


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    Time: 05:42:17 PM PST US
    From: "Richard Schreiber" <lmforge@earthlink.net>
    Subject: Plywood
    Well my plywood came in today from Boulter. It was cut into 4 -12" x 8 foot strips which is exactly what I wanted. The 1 foot strips were cleanly cut and very nicely packaged. They also included another strip of thicker plywood for support. I am very pleased with the quality of the wood and the shipping. Boulter Plywood still is listing this as a special price. They originally had 2100 sheets, but I don't know how much they have left. For those interested, here is their web site link http://www.boulterplywood.com/. They also carry birch aircraft plywood. Rick Schreiber Valparaiso, IN


    Message 24


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    Time: 05:43:30 PM PST US
    From: "gcardinal" <gcardinal@comcast.net>
    Subject: Re: Possible engine alternative
    Try this....... http://www.gm.com/explore/technology/gmpowertrain/engines/specialized/industrial/industrial_engines.jsp ----- Original Message ----- From: "Owen Davies" <owen5819@comcast.net> Sent: Thursday, January 31, 2008 4:13 PM Subject: Pietenpol-List: Possible engine alternative > > Bob Hoover (the other Bob Hoover, at http://bobhooversblog.blogspot.com/) > mentioned the following in his entry for 11/16/06: > > "This may come as a surprise but there are modern industrial engines that > weigh less than the Model A and produce more torque at an even lower rpm. > GM makes a nice one. $1600 brand new in the crate from the factory. It > cranks out an honest 65 hp @ 1800 rpm, giving you more than twice the > thrust of the Model A. The engine, which has been in production since > about 1965, is also available used and overhauled, in both long and short > block versions. Just be sure you get it with the Industrial Engine cam > instead of the Marine Engine cam. The marine version runs at a much higher > rpm. Ford makes a similar engine although I'm not familiar with its > specs." > > I've looked for it and can't find it, so it may have been discontinued. > I'll drop him a note one of these days and ask where to find that engine. > But first I'm wondering whether anyone has ever seen such an animal on the > nose of a Piet. Anyone? > > I wonder what it would cost from a good reman shop? > > Thanks. > > Owen > > >


    Message 25


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    Time: 06:29:41 PM PST US
    From: Owen Davies <owen5819@comcast.net>
    Subject: Re: Possible engine alternative
    gcardinal wrote: > Try this....... > > http://www.gm.com/explore/technology/gmpowertrain/engines/specialized/industrial/industrial_engines.jsp Looks like the engine Bob is thinking of must have been retired. None of these fits his description, and none of them looks like a good replacement for the A. Thanks.


    Message 26


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    Time: 06:29:42 PM PST US
    Subject: Re: Possible engine alternative
    From: amsafetyc@aol.com
    I have a brand spankin never been run ford 1970s vintage ford (2.0L I believe)?SOHC Pinto engine that I am seriously considering using. All the spec I was able to locate indicate 85 hp at what rpm I have no idea. I am considering that since I have to go through it anyway I would try ?to get the RPM down to around 3000 with full hp output. I am thinking to do that I will need a stroker kit, rated cam, pistons and some work done on the head. All of which I am uncertain about the availability or a redrive unit. Either way I got bunches of research to do and few severely?limited sources.? I am open for suggestions. John -----Original Message----- From: gcardinal <gcardinal@comcast.net> Sent: Thu, 31 Jan 2008 8:36 pm Subject: Re: Pietenpol-List: Possible engine alternative ? Try this.......? ? http://www.gm.com/explore/technology/gmpowertrain/engines/specialized/industrial/industrial_engines.jsp? ? ----- Original Message ----- From: "Owen Davies" <owen5819@comcast.net>? Sent: Thursday, January 31, 2008 4:13 PM? Subject: Pietenpol-List: Possible engine alternative? ? >? > Bob Hoover (the other Bob Hoover, at http://bobhooversblog.blogspot.com/) > mentioned the following in his entry for 11/16/06:? >? > "This may come as a surprise but there are modern industrial engines that > weigh less than the Model A and produce more torque at an even lower rpm. > GM makes a nice one. $1600 brand new in the crate from the factory. It > cranks out an honest 65 hp @ 1800 rpm, giving you more than twice the > thrust of the Model A. The engine, which has been in production since > about 1965, is also available used and overhauled, in both long and short > block versions. Just be sure you get it with the Industrial Engine cam > instead of the Marine Engine cam. The marine version runs at a much higher > rpm. Ford makes a similar engine although I'm not familiar with its > specs."? >? > I've looked for it and can't find it, so it may have been discontinued. > I'll drop him a note one of these days and ask where to find that engine. > But first I'm wondering whether anyone has ever seen such an animal on the > nose of a Piet. Anyone?? >? > I wonder what it would cost from a good reman shop?? >? > Thanks.? >? > Owen? >? >? >? > ? ? ? ________________________________________________________________________


    Message 27


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    Time: 06:36:32 PM PST US
    From: Owen Davies <owen5819@comcast.net>
    Subject: Re: Possible engine alternative
    Ken Chambers wrote: > There is a Curtiss replica that taxis and swings a big prop with the > big GM 4, the 181 I think they call it. It's a non-flying replica so > it has no hours. You might be able to google and find it. Closest I could find was some sites with both the Curtiss and the Caudron G.4. > A couple of things I've noticed with this engine, though. It's heavy > at about 285 pounds. I'm not sure how this compares to the actual > weight of a Model A when it's converted for use in a Pietenpol. About 30 lb heavier, I think, but it's been a long time since I refreshed that memory. > The crankshaft durability is unknown in this application, whereas the > Model A crankshaft has proven to hold up. At this point, I am just doing a thought experiment, trying to figure out how cheaply one could get a two-place plane in the air these days. The Piet is the obvious place to begin, but the key is still to get the cost of the powerplant as low as possible. I'm trying to find something cheaper than an A. Thanks for the info. Owen


    Message 28


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    Time: 07:27:25 PM PST US
    From: "Dick Navratil" <horzpool@goldengate.net>
    Subject: Re: Sport Aviation Magazine
    Dan My copy hasnt arrived yet. I'm anxiously wating. Thanks Dick N. ----- Original Message ----- From: "dwilson" <marwilson@charter.net> Sent: Wednesday, January 30, 2008 9:26 PM Subject: Pietenpol-List: Sport Aviation Magazine > > Wow! Have you seen who is on the front cover of Sport Aviation ? Way to > go Richard. That's a great picture! > > Dan > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=161489#161489 > > >


    Message 29


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    Time: 09:50:22 PM PST US
    From: Clif Dawson <CDAWSON5854@shaw.ca>
    Subject: Re: Better name for "big" piet
    747 Piet? 380 Piet? http://www.gillesvidal.com/blogpano/cockpit1.htm Clif :-) I will suggest a few maybe somebody else has a term that would be better than OVERSIZE. How about - Piet Plus - Piet plus 2 - Piet plus 3 etc etc - Supersize Piet - Jumbo Piet Anybody else have a suggestion? Steve in Maine ------------------------------------------------------------------------- ----- 1/31/2008 8:30 PM


    Message 30


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    Time: 11:01:10 PM PST US
    From: "KMHeide, BA, CPO, FAAOP" <kmheidecpo@yahoo.com>
    Subject: Names for Pietenpol
    Members: Before I finish a design logo for the "WideBody" Pietenpol, should we all not agree on one identifying name? Keep the names coming............ So lets come to an agreement with a name and run with it.....lets "tally" up the votes. Suggestions..... - WB-PietPiet Plus - Bigger Pieters - Piet plus 2 - Piet plus 3 etc etc - Supersize Piet - Jumbo Piet - Air Camper XL - Monster piete - Piet a Palooza - Pieten Bilt - Piet a dactyle - Colossal Piet - Wide flyer - Perfect Piet - Pure Piet - Piet a tude - Nothing butt Piet - Neat Piet - Sweet Piet - Piet power - Pietenpol Air camper 1 - Wide Piet King of sky - Piet Plus - Piet plus 2 - Piet plus 3 etc etc - Supersize Piet - Jumbo Piet Kenneth M. Heide, BA, CPO, FAAOP --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.




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