Just do the math - 46/18 = 2.55, 44/16 = 2.75. For gear inches multiply by ~27" 1st = ~69", 2nd = ~74".
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1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"