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Old 08-14-2018, 10:53 AM
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rvbuilder2002 rvbuilder2002 is offline
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,790

Depends on the standard that you use.......

The .5D / 1.5D rule of thumb is a guidance published in AC43 and other mechanic reference documentation.

The absolute standard (in the eyes of the engineering dept at Van?s anyway) is the Mil spec (available on Van?s web site and referenced in Section 5 of the construction manual)

In the first photos where the -5 rivet was used, it is clear that the rivet was over squeezed (probably in an attempt to meet the 1.5D rule while using a rivet gauge). If the Mil Spec dimensions were used as a reference instead, and the rivet wan?t over squeezed, the -5 probably would have been totally acceptable..
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

Scott McDaniels
Hubbard, Oregon
Van's Aircraft Engineering Prototype Shop
RV-6A (aka "Junkyard Special ")
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