MastanKhan
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I think GB6's planer edges have more to do with lower radar signature.
rectangular tanks could work, but will need very precise placement on jet . if airflow on one side of tank can be reduced by little gap between jet & tank.
WE NEED EXPERT's opinion.
Hi,
It is simple engineering---if it works for the goose---it will work for the gander as well. If the design works on the GB6----there is no reason that it won't work on the fuel tank
I think this might need some structure modifications as well. If you look closely at the Gripen, it has a flatter belly which naturally provides for more surface area to house two fuels tanks in contrast to the round bellied JF-17 . With a round belly there isn't much space available for two tanks let alone all the piping needed to connect it to the main tanks and fuel pumps.
Also keep in mind that retractable drogues could not be installednbecause of the very same reason.
Look at the above picture of the JF17---it has enough space----you can kep the same width---you can increase the width slightly as well and reduce the height----.
There is enough space on the JF 17----comparing it to the Gripen----there is similar space available----.
Just by looking at the two---I am pretty sure that this would be the least expensive modification with the best results.