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Type: Posts; User: mmarien

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  1. Replies
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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...
  11. 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...
  13. 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.
  14. 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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    Thanks Dave I'm going to proceed cautiously...

    Thanks Dave

    I'm going to proceed cautiously here. Perhaps if a question comes up I'll send them a single drawing suggesting that this is the fix that builders have been using or this is an...
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    Patents are a different thing. I think there is...

    Patents are a different thing. I think there is another thread here that talks about patents. I don't believe there is a patent infringement here. All the CUB copies would be in trouble is there was...
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    A couple of opposing views. Got me thinking. I...

    A couple of opposing views. Got me thinking. I also did get some local feed back. One example given was a map. It's difficult to create a new map without using other maps. A map is copyrighted but...
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    Open Source Plans

    The plans built aircraft I'm building already has a number of versions or models. None of the versions have a method of updating the drawings that I know of. In some cases the plans are fairly vague...
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    The Garmin GTR200 has built in 2 place intercom...

    The Garmin GTR200 has built in 2 place intercom which is a nice combination for VFR panels. There are other similar combinations from Garmin and other manufacturers. the GTR200 has separate PTT...
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    The PTT is activated by grounding the pin on the...

    The PTT is activated by grounding the pin on the harness. So you can actually have several PTT switches. Grounding anyone or more of them will activate transmit. Grounding two at the same time will...
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    I arrived Wednesday last year to beat the...

    I arrived Wednesday last year to beat the weather. Couldn't register for a day or two but the camp volunteers were there and the permanent showers were open. There were a couple other planes so I...
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    You can get 5gph out of an O320 with electronic...

    You can get 5gph out of an O320 with electronic fuel injection and ignition. When I'm chasing C182's I get 5gph at about 145 mph in my Glasair II. If I'm cruising WOT (Savvy style) and 2400 RPM I get...
  23. One good way to help decide is get some hands on....

    One good way to help decide is get some hands on. There are more then a few workshops other than Oshkosh where you can put together a few pieces out of wood, metal or composites. I kind of like wood,...
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    Not positive, but since the output is directly...

    Not positive, but since the output is directly related to the voltage, one of the alternators will not supply any output if the voltage is higher than it's regulated setting. You can set the voltages...
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    For a minute there I thought he came to Canada....

    For a minute there I thought he came to Canada. GPS works here unless you go too far north. The far north has never been charted. You have to rely on GLONASS. ;)
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