TitleGarrison

“No bird ever flew nonstop from New York to Tokyo, or raced 15 miles high at triple the speed of sound.                                                                                                   
  But birds do something else.
  They do not conquer the air; they romance it..”

  Peter Garrison

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Jur's RV7 Aircraft Factory
2917 hours and counting
Some decisions in life are bare of any obvious logic

 

28/11/2020 - Frame bending compensation - 4h30

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Parent Category: Finishing Kit
Category: 3. Slider Canopy
Hits: 332

If you think you are done with frame bending, you are wrong. Sadly but true.

When clamping the canopy to the frame, you will noticed that the rollers now make a terrible sound and hardly move in the perfectly aligned canopy tracks. That is because the load of the plexi on the frame stretches it out a significant amount.

It's about 1 inch in the front and half an inch on the the rear bow.

You will have to re bend the frame inwards front and back to compensate for the springload. Make it just enough so that you get a perfect alignment agin of the rollers in the canopy tracks.
Another job where patience is in your favour and a lot of fitting and refitting of the bubble is required.
Be patient, once you will be drilling the holes in the plexi, you are locked in forever.

Got to a point where I'm satisfied with the result. Notice also the side clamping with a wood strip to support the side of the plexi all along the lenght of the side bow.

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It’s possible (not likely) that I’m not as smart as I think I am. (Occasionally, I have moments when I know this to be true. Fortunately, the feeling passes quickly.) Although I have tried to make this information as accurate as I can, it is not only possible, but also quite likely, that erroneous and misguided information lurks within these pages. I cannot and do not warrant these pages to be error free and correct. Furthermore, I accept no liability for the use of this (mis)information. And, as many would say, your mileage may vary. If, after reading this, you are intent on proceeding, please be aware that the contents of this site are protected by copyright (copyright © 2011 and 2012). Nonetheless, you may copy this material subject to these two conditions: (1) any information used is for non-commercial purposes, and (2) the source of the material is properly credited. Of course, you may link to any page herein. At some articles, snippets of the plans from Vans are visible. These are for educational and illustrations purposes only and should never be used as plans for part construction or assembly as plans may have changed since the picture was taken and more important they are protected by Copyright by the Vans Aircraft Mothership company.

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