In the context of a tent that can be retro-fitted to a Flip Pac camper, the fly in the ointment (couldn’t resist) is that the tent poles are hinged and mounted inside of the tent wall and a couple inches down in the shell cap. Most backpacking tents have the poles on the outside of inner tent wall.
Stretch a fly on the outside, hang an interior breathable layer on inside…
- The poles would then need to go through the wall of the inner tent at some point to reach the fly.
- The lower wall of the inner tent would lie against the fly wall. There isn’t much room on the shell to re-anchor a fly farther out. Moving the interior tent wall inward (inside of the poles for example) puts it down into the shell. This would create a place for any condensation to run down and accumulate.
Really need air space all around to separate the fly from a liner, or the water that condenses on the inside of the fly will just drip on or wick through into the liner.
An observation about the overlapping vent on the top of the flip-pac - it eases opening/closing of the tent by providing a way for air to get in/out of the tent when the screens are zipped up and the glass and tailgate are shut.
- Cheers, John