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Old 02-26-2012, 09:16 PM   #43
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Location: Southern CA
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I am going to stick my 2 cents in just for added suggestions

Originally Posted by bobinyelm View Post
Do the fans I mention count as power ventilation?

When I think back on my old Winnebago Class A Motor Home (5500 watt 1800rpm Onan), and my Lance truck camper (3400 watt 3600 rpm Generac) with built-in generators, they had about 8" space all around them, and had NO power ventilation. They had small openings at the bottom and top of their compartment doors which were covered in metal mesh to provide natural convection ventilation, and that was it. In fairness, they had their mufflers OUTSIDE the compartments, though I do plan to extend the exhaust outside my compartment as well.

Wonder how they survived the heat without a problem?

I planned to have far more ventilation than that for my Champion-in-a-box, but maybe you are saying they are far less tolerant of heat than my old RV gensets?
Go to a junk yard or pick a part, and as far as your cooling situation and ventilation goes purchase two used 12 v electric car radiator fans. (Small imports have the smallest thinner units that move allot of air) Use one for input and one for output. It surely would help aid in ventilation and heat buildup. The reason I suggest the radiator fans is they are very high powered and move allot of air and require only a 12 v battery that you could probably rig a recharge situation from the generator running? Just a thought. You are going to laugh but I used one in my exhaust compartment in my 5th wheel to replace the dinky exhaust fan in the bathroom. When I turn the fan on the toilet paper hanging off the roll, becomes air born being pulled upward. Oh did I mention it really exhausts the small bathroom?

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Old 02-26-2012, 10:33 PM   #44
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See my post in the 5th wheel forum on the exhaust fan for the bathroom. There is a picture of this type of fan.

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