Looks like you did a great job.
BTW, it is called a MaxxFan. the word "air" is not in the name.
I see you have it at the rear and opening toward the front.
Be sure it is tightly closed and locked down while traveling.
I don't know if will have a tendency to lift in the wind.
for theresa P. : Try to take advantage of the laws of nature.
Warm air rises, so set the fan do blow up and out. Open windows
to let the cooler (hopefully) air in. WE have a kitchen window under our awning
that can stay open in the rain. The MaxxFan does a good job and not too noisy.
But, if it is real muggy, We have a small 120 volt fan and a small battery
fan that we use to blow air on our faces and bodies as needed.