----- Original Message -----
From: John Cliff <john@crixbinfield.freeserve.co.uk>
Subject: Re: Europa Mail - rivets
> This response to my forwarded mail on rivetting was sent to me, and is now
> posted to the List, thanks Ben. It is from
> BCLERX@aol.com
>
> **************************************************************
>
> Hi
>
> Offhand, I would say get larger rivets and re-drill to fit the new
rivets.
> Any standard rivet has an "oversize" rivet to match when the original
smaller
> rivet is drilled out for some reason. Each rivet hole is usually drilled
with
> a specific numbered drill and the hole size will need to be within certain
> tolerances. Look in a supply catalog (Aircraft Spruce, etc) and they'll
have
> charts for rivet diameter and hole size. I'm no rivet expert and don't
know
> how oversized your rivet holes are. I'm sure an experienced builder will
> advise on the exchange. But I'd feel better with a larger rivet and
properly
> sized holes. I also replaced all my cheap hardware store pop rivets with
> aircraft quality (Cherrymax) rivets. More expensive, but its my ass in the
> seat on the first flight.
>
> Ben
>
Cheers:
There wasy humerous article on commercial rivetting several
years ago in the Air and Space Museum mag. It was written by an old hand in
the game and his description of the "tap talk" twixt rivetter and bucker was
most entertaining - they, being separated by a long wing, were reduced to
'discussing' the success of each rivet by a series of taps - if I remember -
one tap from the bucker = "another short burst", two taps = "Ok, go to next
rivet", and three taps = "too far gone, drill out and replace with new
rivet".
The sequence of one, one, one, and a hesitant three would drive
the rivetter to round the corner and punching the bucker's lights out.
On occasion, the drilling out of a faulty rivet would require
the next size rivet to 'true' the larger hole. In order to hide the event
---From the inspector, the rivetter would keep a secret hoard of oversize
rivets with undersize heads - thus avoiding a bad rep with the inspector. If
I have this corrctly, they were called "Lockheed" rivets at Boeing, "Boeing"
rivets at Douglas and "Douglas" rivets at Lockheed!
No, I don't know where these can be bought..............
Happy Landings, Ferg A064
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