补充一句，你们必须打开group2 和group3 才能发射火箭炮
@ChopShop @ChopShop Adjust the throttle to 80% or 90% when you fly normally. Push it to100% when you somersault. Speaking of how to use the cannon,you can switch the view to "camera 2" and rotate the view ,the barrel will rotate automatically.
补充一句，你们必须打开group2 和group3 才能发射火箭炮
@ChopShop @ChopShop Adjust the throttle to 80% or 90% when you fly normally. Push it to100% when you somersault. Speaking of how to use the cannon,you can switch the view to "camera 2" and rotate the view ,the barrel will rotate automatically.