DIY Pressure Testing for Rain Leaks
I have an impossible to find leak in my travel trailer and I am at my wits end. My trailer is a 40 ft. Park model on a permanent campsite in southern Delaware with a hard room and deck attached so I d...
Forum Discussion
westend wrote:
...How much additional air in CFM is required to raise the pressure .2 psi if the container was absolutely sealed?) From the answer you would have to allow for leakage since no RV is perfectly sealed.
westend,
There is no answer to your question. Or, more correctly, any capacity fan would work... just a question of how long it would take.
Given zero leakage and 1600 Ft*3 volume, there is a volume of air in CF to add that would raise that pressure .2 psi... that is not CFM, simply CF.
If my arithmetic is correct, using Boyle's Law one would need to add ~21.5 Cu Ft of air at STP. Note, this is not a rate in CFM, just a volume of added air to raise the pressure.
Just intuition, and no RV experience, but experience with compartment air tests on submarines, I believe that an RV is going to be very leaky and one will need a much larger fan then some have opined.
Again, no experiece with RVs.
