Jim Brewer wrote:

Paul, In response to my question to Ed reguarding repair of '90 rotors 
that have been damaged by apex seal breakage by welding apex grooves 
shut and re-cutting the groove. (Non-aircraft use)



Edward Klepeis wrote:

1. what type of mat. alloy number is the rotor

 made out of.that will determine if it is weldable.

Paul, can you tell us what is the rotor alloy number?



Jim Brewer

Probably a ductile cast iron. Exact composition of which I have no idea.

Paul Lamar
 
The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2003 All world wide rights reserved.