It's well rendered!
I'd like to say one thing though...it operates via a fan but you have the gun and some sort of intake housed over the top of the fan. Won't that interfere with the airflow that the fan creates?
I really like that small compartment with the gun that pops out. Slick design.
 DRAW EVERYDAY >
like otherside said, the mechanics of it dont seem to make much sense, however it is rendered well, nice job
my advice in case you want to continue working on this idea would be to do a series of thumbnails with the same general concept (fan powered hovercrft w/weapons), and then choose whichever design feels the most realistic and also looks the best. one idea is, keep this design you have right here, and move the guns to the front of the vehicle, and have multiple small intake vents across the sides of the hull.
Well the fan is not really a fan is suppose to be an electro magnetic propelant similar to that of the matrix Neb. And the intake is for the engine behind it. Now, I dont know if the electro magnetic fan interferes with the intake but who knows anyway.=)
Very cool. I'd like to see it a bit bigger to I can nitpick and see how well you've executed the perspective. I very much like the design though.
"Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed, The world in arms is not a way of life at all, in any true sense. Under the cloud of threatening war, it is humanity hanging from an iron cross."
...I have a sketchbook?
Its a good start. I would like to see you take it further. add some more details and maybe some color.