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Showing posts from December, 2015

"Spark Testing" Sport Aviation / Experimenter "Technically Speaking" Article November 2015

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Sport Aviation / Experimenter magazine "Technically Speaking" November 2015 Article
Our monthly column in Sport Aviation/Experimenter  Magazine for the month of November was an article on spark testing steels.We discuss methods which you can use to identify a piece of 4130 chrome Molly steel from a piece of mild steel or any other type of metal for that matter.

If you're not a member of EAA "you should be".The magazine alone is well worth the annual membership fee.
Link to EAA 
Spark TestingAs with most building trades, (electricians, masons, carpenters,) there are time proven materials and a base line method of performing tasks which become “standard practice”. As an aircraft builder, you soon learn that there is also a time proven set of practices and building materials that are commonplace within the aviation community.
If there is one universal commonality among the countless aircraft types, it is the use of steel within the structure in some form or another. Fr…

EMG-6 Renderings

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Renderings We have posted these renderings to help in the visualization of the EMG-6. Click on one of the images to see all of the images in a slide show. These are large format pictures and may take some time to download.





EMG-6 "Shop Notes" December 2015

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December "Shop Notes"
"EMG-6 Shop Notes" is a day-to-day accounting of what's going on in the shop with the EMG-6 Electric Motor Glider.
December 18, 2015 TapMatic tapping head.We have finally got the tapping process down to a science.
The final resolution to accomplishing the tapping process was the switch from a cutting system to a roll forming process.
The depth of the tapped hole had to be nearly .75 inches deep .
When cutting into soft material like 6061 T6 aluminum is very easy for the flutes of the To get completely plugged up and then increase the torque on the tap to the point where it snaps off.
We discovered this the hard way experimenting with multiple different tapping methods of using a cutting tap. 
We managed to break 7 taps before we finally resolved the situation.
We even broke one of the roll form taps trying to tap a hole with the original drill size.



57-10-51 Inboard Diagonal Strut Fitting

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57-10-51 Inboard Diagonal Strut Fitting Construction
In this posting here were just going to go through the process of manufacturing 57-10-51 inboard diagonal strut fitting.

This is just kind of an inside look into what takes place during the manufacturing process of some of the components on the aircraft.

The drawings on the builder database are PDF files that are used both by the builders or the assemblers of the aircraft as well as during the part manufacturing process.

The PDF file gives and in context orientation of the part for the overview of where the part is used As well as a detailed three view drawing for manufacturing purposes.

Once again we remind you every time we post something on one of these postings that the drawings are only updated on the builder database and not on these postings.








Best Method For Keeping up with the EMG-6

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Most recent EMG-6 information direct to your mailbox. We continue to hear from many of you avid followers of the progress blog. We try to do our best to blog as often as possible. But if you're one of those that are checking the blog 3 to 4 times a day to see what new information is being posted, I think we need to do an intervention. We do appreciate your enthusiastic following but we also have a simpler way to keep track of all new information being posted to the blog.
Sometimes the monthly shop notes can get rather lengthy. 
This process will send you only the most recent of information.


Located on the home page of the blog is a little box titled "follow by email."
Type in your email address and click on the submit button.




27-41-00 Rudder Assembly LD

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27-41-00 Rudder Assembly LD

This is an overview of the drawings that are located in chapter 27-41 for the rudder assembly within the builders database.  Keep in mind that the drawings that are located within the progress blog do not get updated as time goes on. Only the drawings that are located within the builders database. Our current and up-to-date and have the most recent revisions.