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Type: Posts; User: mmarien

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  1. Replies
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    You could use more modern methods than tracing or...

    You could use more modern methods than tracing or gluing paper to wood. I converted my ribs to digital (AutoCAD) and cut the jig and all the parts with CNC. I found a web page that plotted airfoils...
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    There is an article by Tony Bingelis on the EAA...

    There is an article by Tony Bingelis on the EAA site:
    ...
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    Your cockpit may have a slightly higher pressure...

    Your cockpit may have a slightly higher pressure than static if it's open. It will capture air. My friend had a cub copy and the altimeter was sourced from the cockpit. It lost some altitude when he...
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    Are you saying that nobody reads this forum? I...

    Are you saying that nobody reads this forum? I believe constructive criticism goes a long way in affecting change no matter how it's delivered. I filled out the EAA feedback survey and pointed them...
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    Didn't mean to step on any traditions, annoying...

    Didn't mean to step on any traditions, annoying or not. But I think there is a common complaint in this thread about the noise. As mentioned a few of the aerobatic routines were nice to watch...
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    Yes. I camped over in Vintage this year. That was...

    Yes. I camped over in Vintage this year. That was one of the perks. No helicopters. Unfortunately we had the DJ that tried to walk us up at 7am by hollering and singing or whatever he was doing. They...
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    Air Show Announcers

    I enjoyed AirAdventure. I just have one comment. The announcers for the air shows seem to be out of sync with what's happening. Once in a while they'll describe a maneuver that is not what is...
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    I use Zululog. It's also free for a individual...

    I use Zululog. It's also free for a individual pilots. I used the free version for a few years then bought a subscription for the extra security.
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    Riving seems like overkill especially for small...

    Riving seems like overkill especially for small pieces. I think the strength comes from the structure (eg: ribs) more then individual pieces. The wings on my project are wood. I used conventional...
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    I not sure about the instructions on the...

    I not sure about the instructions on the Pietenpol plans but I found a way to flatten ends of tubes. Check it out here:

    http://myhatz.blogspot.com/2017/05/2017-may-anti-torque-tube.html
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    Preforming Rib Capstrip by Steaming

    I just viewed another build site where the builder spent a lot of time building a steamer to preform the capstrips for the ribs. It seems to be a common theme for rib building.

    When I fit the top...
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    Happy to hear that my blog helped you get started...

    Happy to hear that my blog helped you get started in CNC. I envy your 4'x8' bed.

    Thanks for the tips. I seen a youtube video about gluing the tape together trick but haven't tried it. I've been...
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    I don't agree with your statement that gcode is...

    I don't agree with your statement that gcode is not quite a standard. I do agree that the gcode is tailored to the machine you are using. What is standard about gcode is that I can create gcode for...
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    I'm not an expert when it comes to CNC machines...

    I'm not an expert when it comes to CNC machines but gcode is universal to CNC machines as far as I know. The program I use doesn't produce any machine specific code. Here is an example:



    This...
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    I did the majority of my project with CNC. I...

    I did the majority of my project with CNC. I bought a 6040 CNC router when I started the ribs. I had a local place CNC cut a plexiglass jig as my router wasn't big enough. The local place was happy...
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    Good question and better answers for sure. I...

    Good question and better answers for sure. I guess the problem is as Ron eluded to is that home built has become assembly of kits and get it flying. When I started building my plans built biplane...
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    CNC routers and 3D printers work for more than...

    CNC routers and 3D printers work for more than building parts. If you look closely at my elevator trim picture in my post above, the ball screw mechanism is a part from a 3D printer.
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    I bought mine a few years ago from Amazon. It's...

    I bought mine a few years ago from Amazon. It's not listed anymore. There are plenty of other CNC routers listed on Amazon.

    https://www.amazon.com/s?k=3040+cnc+router&ref=nb_sb_noss_1

    You will...
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    I've been using a CNC router for a few years for...

    I've been using a CNC router for a few years for my Hatz build. I have cut plexiglass, wood and now aluminum. Depending on the max size you want to cut, a small 12"x24" CNC router will cost less than...
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    Interesting question. I read somewhere that prop...

    Interesting question. I read somewhere that prop efficiency was best at about 1800 RPM and as mentioned here the one blade prop is the most efficient. On the other hand there are modern turbine...
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    I had a lot of the 4130 parts for my project cut...

    I had a lot of the 4130 parts for my project cut with laser and some were water jet cut. The laser cut parts didn't need any post processing other than I took the edge off with a 3M wheel. I asked an...
  22. I had a digital copy scanned of the plans for my...

    I had a digital copy scanned of the plans for my project. I work from the screen for planning, but print portions of the plans for the things I'm working on. If they get messed up, I can always print...
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    Making the joint fit is probably a good thing to...

    Making the joint fit is probably a good thing to do. Sanding to fit with a course sandpaper will create a rough surface that the glue can adhere to. I usually just knock the dust off by tapping the...
  24. I was just correcting the misinformation from...

    I was just correcting the misinformation from WLIU. Every few years I get some additional training to keep from forming bad habits. If I obtain an endorsement or two on the way all the better.
  25. In Canada we have VFR OTT and Night endorsements,...

    In Canada we have VFR OTT and Night endorsements, both of which require more instrument training. A PPL requires a minimum of five hours instrument training. A night rating requires 5 more hours...
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