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really enjoy your videos !! you gotta post more often !! loved the rocket engine explanation and orbital mechanics !
Nice , learnt a lot , but finally it was difficult to figure the aircraft itself , haha , just kidding
really enjoy your videos !!
you gotta post more often !!
loved the rocket engine explanation and orbital mechanics !
Nice , learnt a lot , but finally it was difficult to figure the aircraft itself , haha , just kidding