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Ok, what is Nicral?

astjp2

Registered User
Utah/Alaska
So I was reading through some old blueprints for the truss style ribs, they have the rib material as being from a material spec'd as Nicral, so what is the modern equivalent material?

I know that 2 half hard is now 2024 T3, 3SO is 3003H-14, etc but the Nicral specs I found were a Nickle Chromium Aluminum with a bunch of different options for that material.

Thanks, Tim
 
Well I don’t think that is what the 1939 rib drawing shows on it as the roll formed material the ribs are built from, I will try to post a nick of the blueprint. Tim
 
Ok, here is a crop of the original blueprint
 

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