f22’s bay is perhaps 3,9 meters long, but certainly not as wide. width is around 1,9 to 2 meters. Around 95 cm per bay. That much is evident from the images.
pl12 in its current form has a wingspan of 67 cm, as said, but just like amraam in f22 it isnt stacked inside the bay like that. what matters is fin box cross section width. That width is some 48 centimetres.
We dont know if j20 has a single continuous bay or two bays like the f22.
It could fit 2 per small bay or 5 in a large bay.
BUT. All that is quite unimportant as j20 is likely to carry a different version of pl12.
first aim120a was delivered to usaf in 1988 (didnt reach ioc till later) and first c model was delivered in 1996. That is eight years. pl12 was seen in service with plaaf in 2005 and j20 is likely to enter service no earlier than 2018. If amrram managed to shorten the finspan from 63 cm to 44 cm, pl12 will in double the time period, certainly manage to do something similar. So we wont be looking at 67 cm wingspan but something like 46 cm wingspan. And then the fin box width wont be 48 cm but 33 cm. And then we’re certain to see 3 such missiles per bay, if there are two bays, or perhaps as much as 8 such missiles if it is a single bay.
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