[R-390] Another "Close to Perfect" R-390a

[Roy Morgan]

At 01:50 AM 3/2/2006, Bill Hawkins wrote:
>Well, I worked on two R-389 PTOs for linearity. Can't get much
>more Collins or much older than that.


Bill and others,

The R-389 PTO is type 70H-1 (not 70H-2  or 70H-12).  It makes FIFTY turns 
not 10 turns end to end. It is rumored to have been the most difficult PTO 
Collins ever made. I assume that they were all made at Collins, not 
contracted out.

I need one.

Roy


- Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
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