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

HoursAndCounting

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

 

I'm just back from 2 weeks in the US for work. The project has been on hold for two weeks.

Since I'm back saturday, did nothing else then scuffing parts in preparation of priming. Pretty boring work.
I have to clean the parts first with sillikon entferner from spiess hecker and then scuff them lightly with SCOTCH-BRITE hand pads.

The ribs have many corners and flanges and this is slowing down the process. Over 10 hours work done and nothing really visible except for some scratched aluminum parts.

 All ribs are now scuffed. 14 per wing. As you can see, I labeled them and attached the label with fishwire to remember which rib goes where. Rear spars in the bottom of the picture.

To give you an idea on the scuffing process. Scuffing creates micro-scratches in the top layer of the alclad material. Don't scuff too hard or the alclad will be removed and you unwillingly loose corrosion protection.

The idea here is to create these micro scratches that will facilitate bonding for the zinc chromate to attach to the material.

Here is a close up view of how scuffed up W-707D looks like:

Now I'm ready for priming. This will take one day and then I can rivet the skeleton permanently together this weekend. 

Finally something exciting to look forward too.

Stay tuned...

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Use the kit buttons in the top ribbon bar to see a chronological overview per sub section per kit. For the full chronological article list, see chronological build link in prelude menu here below. The easiest way to lookup information is by typing in some part numbers or keywords using the search option in the ribbon bar

 

Caution !

Some advice on reading my log for fellow builders !

In some articles, I made corrections at later date on the original article to rectify my own stupidities or faults. Read through the entire article if you intend to use my findings/experiences on your own project !

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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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