Rv airflow systems cost9/8/2023 ![]() ![]() The net result is that the cabin air is circulated at a very high rate with each cycle getting cooler. I originally tried only two intakes but still found a drop in RPM so a third was added. With the A/C unit now reversed I needed to design an effective intake air system. ![]() ![]() While testing the massive 300 cfm Evap unit that Airflow Systems sells, I found that by reversing the delivery unit and letting the Scroll fan blow straight in the cabin, angled up,it deliverers a MASSIVE amount of air at a good velocity along the roof of the aircraft where it hits the windscreen and then flows down over the body of the Pilot and Co-Pilot. We tried many options to increase airflow delivery, external ducting, side vents and Axial boost fans but what we stumbled across was the old axiom that simpler is nearly always better. In my own aircraft I added a 4? Axial fan to pressurise the delivery at 2 psi, this has helped a lot however at the cost of more weight and power requirements. What works extremely well with Ram Air over 160 knts ,does not work well with a scroll fan that most A/C units use. I already have an Air Flow Systems A/C in my own aircraft and although it works well, the Aerosport Roof Console has been the largest stumbling block with free air delivery being heavily restricted by the rear bulk head and the vent system. Jason lives and operates in Central Australia and the brief was to install the most effective A/C unit we could. I was approached by RV-1O Builder Jason Merritt to assist with the installation of his Air-Con unit. With AirFlow Systems Light Aircraft Air-Conditioning ![]()
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