Pietenpol-List Digest Archive

Thu 09/08/11


Total Messages Posted: 6



Today's Message Index:
----------------------
 
     1. 04:09 AM - Re: Prop Carving CD (Jerry Dotson)
     2. 04:55 AM - Re: Re: Prop Carving CD (johnwoods@westnet.com.au)
     3. 06:52 AM - Re: Just ordering plans.....Questions (bender)
     4. 09:50 AM - Using Excel to create prop airfoil sections. Help! (dwilson)
     5. 09:51 AM - Re: Rib stitching help (bradandlinda tds.net)
     6. 02:12 PM - Re: Prop Carving CD (aussiegeorge)
 
 
 


Message 1


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    Time: 04:09:29 AM PST US
    Subject: Re: Prop Carving CD
    From: "Jerry Dotson" <jdotson@centurylink.net>
    Dan, FreeCad is free and a viable option. I don't use it so I probably can't help you get started with it. As with any Cad program the learning curve is pretty steep but if you are willing to spend the time learning it will be a lot of help in the future. When I went from CadKey to AutoCad there was a lot to learn. http://sourceforge.net/apps/mediawiki/free-cad/index.php?title=Main_Page -------- Jerry Dotson 59 Daniel Johnson Rd Baker, FL 32531 Started building NX510JD July, 2009 now covering 21&quot; wheels Lycoming O-235 Jay Anderson CloudCars prop Read this topic online here: http://forums.matronics.com/viewtopic.php?p=351725#351725


    Message 2


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    Time: 04:55:48 AM PST US
    From: johnwoods@westnet.com.au
    Subject: Re: Prop Carving CD
    Dan, I found Excel plots aerofoils quite well directly from the co-ordinates. This is what I used to plot the Riblett 612. JohnW ----- Original Message ----- From: "dwilson" <marwilson@charter.net> Sent: Thursday, 8 September, 2011 10:46:29 AM GMT +08:00 Beijing / Chongqing / Hong Kong / Urumqi Subject: Pietenpol-List: Re: Prop Carving CD Here is a microsoft excel spreadsheet that will calculate the thickness, tangents, Angles, and length of the airfoil Chord at each station. I've attatched it as a PDF. The notes on the sheet should allow anyone to create their own spreadsheet, but if anyone wants the actual spreadsheet send me an email and I'll attach a copy for you. I also have a spreadsheet that calculates that dimensions of a Clark Y airfoil for any given Chord length. I simply draw the airfoils on graph paper. I need some CAD software to draw the airfoils... Dan Wison Read this topic online here: http://forums.matronics.com/viewtopic.php?p=351715#351715 Attachments: http://forums.matronics.com//files/prop_carving_calculator_sheet1_557.pdf


    Message 3


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    Time: 06:52:34 AM PST US
    Subject: Re: Just ordering plans.....Questions
    From: "bender" <jfaith@solairusaviation.com>
    you can pick up the '32 flying and glider manual with the original drawings for about 6 bucks from the EAA or Aircraft Spruce.... the '33 edition has the single seat version and some better detail drawings of some parts than the '32.. here is a link to them online .... you have to download a free viewer.. i look at em all the time... http://www.homebuiltairplanes.com/forums/hangar-flying/6741-designs-1929-1933-a.html Jeff Read this topic online here: http://forums.matronics.com/viewtopic.php?p=351729#351729


    Message 4


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    Time: 09:50:28 AM PST US
    Subject: Using Excel to create prop airfoil sections. Help!
    From: "dwilson" <marwilson@charter.net>
    OK ! I used the scattered graph to plot the Clark Y airfoil for my propeller. How do I scale the graph so that when I print it is in the correct scale ? In this example " Inches " PDF attached. Dan Read this topic online here: http://forums.matronics.com/viewtopic.php?p=351749#351749 Attachments: http://forums.matronics.com//files/clark_y_airfoil_example_prop_345.pdf


    Message 5


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    Time: 09:51:13 AM PST US
    Subject: Re: Rib stitching help
    From: "bradandlinda tds.net" <bradandlinda@tds.net>
    A helpful hint for rib stiching. Measure and punch all rib stich holes. Put a light on the opposite side of the wing by the hole you want to use. Look into a hole next to the hole you are putting the needle into. You can see the inside the wing and guide the needle to the correct hole. Works great. Brad Williams On Wed, Sep 7, 2011 at 9:03 PM, Gboothe5 <gboothe5@comcast.net> wrote: > > Jerry, > > Everything is looking VERY nice! We should all touch base with Larry > Morlock, who apparently has the ability to entice the help of energetic > young women in rib-stitching endeavors....Larry may be willing to shed some > light on how that is done! > > Gary > Do not archive > > -----Original Message----- > From: owner-pietenpol-list-server@matronics.com > [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jerry > Dotson > Sent: Wednesday, September 07, 2011 4:01 AM > To: pietenpol-list@matronics.com > Subject: Pietenpol-List: Re: so much discussion about props > > <jdotson@centurylink.net> > > I wasn't listening can you say that again? > I am taking applications for rib stitcher/lacer helper. So far the only > applicant > is my 83 year old brother. The upside is he works cheap and wears > overalls! > He flies over about 4 times a week. > > John if the price is right you can get a GOOD prop shop to re-pitch it to > suit > your needs > > I quote Shad For All That Is Holy DO NOT ARCHIVE! > > -------- > Jerry Dotson > 59 Daniel Johnson Rd > Baker, FL 32531 > > Started building NX510JD July, 2009 > now covering > 21&quot; wheels > Lycoming O-235 > Jay Anderson CloudCars prop > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=351641#351641 > > > Attachments: > > http://forums.matronics.com//files/a68_726.jpg > >


    Message 6


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    Time: 02:12:21 PM PST US
    Subject: Re: Prop Carving CD
    From: "aussiegeorge" <avionixoz@yahoo.com>
    Jerry Dotson wrote: > Dan, > FreeCad is free and a viable option. I don't use it so I probably can't help you get started with it. As with any Cad program the learning curve is pretty steep but if you are willing to spend the time learning it will be a lot of help in the future. When I went from CadKey to AutoCad there was a lot to learn. > > http://sourceforge.net/apps/mediawiki/free-cad/index.php?title=Main_Page I have been using IMSI Turbocad for years. While not free and older version than current is pretty cheap. For the 2D version 16 it is about thirty bucks. The best part is that they have CD's that teach you how. Been a while since I have needed to watch one. Memory sludge serves up an english schoolmarm sounding voice and the cursor moving to the various places to make things happen. You can stop it and go to the program and do what was shown and said until things click. For 2d the learning curve is about a day. 3d? Just get the nail gun! Read this topic online here: http://forums.matronics.com/viewtopic.php?p=351766#351766




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