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
I am amazed and confused by the variety of power and type of air blowing equipment used by those responding so far.
Explorer1016 used a 7000 cfm commercial door unit and CloudDriver used an electric leaf blower combined with dash fan on full. An electric leaf blower is rated at only about 380 cfm so that combined with a dash blower probably would not exceed 500 cfm.
Bill T used a leaf blower on idle (gas powered?) which would surely be under 500 cfm. Westend used a furnace blower at probably 1500 - 2000 cfm.
I need to purchase a blower this week. I want to get one that is going to have adequate power and was planning to get a CFM Pro 4200 carpet dryer ($170). This will produce 2800 - 4200 cfm and has a 1 HP motor. It seems to be the best bang for the buck for serious air moving.
As stated I have a 40 ft park model with lots of windows, 2 doors including a patio door, and a cathedral type ceiling. This blower is one of the heaviest carpet dryers as many have 1/3 or 1/2 HP motors but I figure the 1 HP motor will more likely push hard enough to build some pressure. I can always relieve some pressure with a door or window if too much.
I am curious if those who have achieved pressure with leaf blowers had slide-outs in their units and how big their trailers were.
Westend, you achieved one inch of pressure with your furnace blower. How long was the camper and does it have slide-outs?
Also, is 1 inch of pressure on a homemade manometer read by changing the water level of one side of the tube by 1 inch, or by changing the water level between the two sides by 1 inch, which would mean that one side rose 1/2 inch and the other side fell by 1/2 inch to create a 1 inch spread?
Explorer1016 used a 7000 cfm commercial door unit and CloudDriver used an electric leaf blower combined with dash fan on full. An electric leaf blower is rated at only about 380 cfm so that combined with a dash blower probably would not exceed 500 cfm.
Bill T used a leaf blower on idle (gas powered?) which would surely be under 500 cfm. Westend used a furnace blower at probably 1500 - 2000 cfm.
I need to purchase a blower this week. I want to get one that is going to have adequate power and was planning to get a CFM Pro 4200 carpet dryer ($170). This will produce 2800 - 4200 cfm and has a 1 HP motor. It seems to be the best bang for the buck for serious air moving.
As stated I have a 40 ft park model with lots of windows, 2 doors including a patio door, and a cathedral type ceiling. This blower is one of the heaviest carpet dryers as many have 1/3 or 1/2 HP motors but I figure the 1 HP motor will more likely push hard enough to build some pressure. I can always relieve some pressure with a door or window if too much.
I am curious if those who have achieved pressure with leaf blowers had slide-outs in their units and how big their trailers were.
Westend, you achieved one inch of pressure with your furnace blower. How long was the camper and does it have slide-outs?
Also, is 1 inch of pressure on a homemade manometer read by changing the water level of one side of the tube by 1 inch, or by changing the water level between the two sides by 1 inch, which would mean that one side rose 1/2 inch and the other side fell by 1/2 inch to create a 1 inch spread?
